{
  "trx_id": "82892440a16370b932193b563a28d46d2d6ae55e",
  "block": 106151809,
  "trx_in_block": 6,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2026-05-18T07:14:57",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "4616.157331 VESTS"
    }
  ]
}

{
  "trx_id": "a3f3c85432eda8cc0519606eb303c9ecdab0e714",
  "block": 106009743,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2026-05-13T08:16:00",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "1903.946926 VESTS"
    }
  ]
}

{
  "trx_id": "ce3125f9e6bc4e8bcd7590d50ec99571fa771b4a",
  "block": 105519267,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2026-04-26T06:25:27",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "4628.673087 VESTS"
    }
  ]
}

{
  "trx_id": "114a2032965f4c67812dc26ca1b3f1c076be8ed2",
  "block": 102874366,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2026-01-24T02:38:12",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "1945.493745 VESTS"
    }
  ]
}

{
  "trx_id": "a57941ff4f0b5eebe3c6995754356c027ac794e7",
  "block": 100762631,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2025-11-11T14:31:27",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "7kyzr",
      "author": "klais",
      "permlink": "t5kgce",
      "title": "",
      "body": "បាទ ការចំហៀងក្នុងផ្ទាល់គឺជាសុបិនអាក្រក់ដែលសម្លាប់ភាពរំភើប។ កំណែទូរស័ព្ទរបស់ BK8 គឺជាមេដែក៖ ស្រាលដោយគ្មានកម្មវិធីបង្ខំ ជាមួយតុផ្ទាល់ដែលធ្វើឱ្យអ្នកមានអារម្មណ៍ក្នុងកាស៊ីណូ និងគុណភាពក្នុងពេលពិត។ គ្រប់ព័ត៌មានអំពីទូរស័ព្ទ និងសตรีម HD មាននៅទីនេះ៖ https://bk8khmer.com/ ។ ខ្ញុំសាកល្បងលើ Samsung របស់ខ្ញុំ បើកដៃប៉ុកឺជាមួយគ្រូបន្លឺក្នុងសាច់ និងឈាម ហើយលេងដូចជាមេរៀនក្នុងសម្រាកអាហារថ្ងៃត្រង់ – ការដាក់ប្រាក់ជាមួយកាតក្នុងពេលខ្លី ការដកប្រាក់ថ្ងៃបន្ទាប់ដោយគ្មានការនិយាយ។",
      "json_metadata": "{\"links\":[\"https://bk8khmer.com/\"],\"app\":\"steemit/0.2\"}"
    }
  ]
}

{
  "trx_id": "dc3647052f273da996f229a78a89174065cf3ae9",
  "block": 100762624,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2025-11-11T14:31:06",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "7kyzr",
      "author": "klais",
      "permlink": "t5kgbu",
      "title": "",
      "body": "សូមអរគុណសម្រាប់ព័ត៌មាន!",
      "json_metadata": "{\"app\":\"steemit/0.2\"}"
    }
  ]
}

{
  "trx_id": "571e996adf9c9d9e16f89ff16f0a962c27a4ca93",
  "block": 91320564,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2024-12-17T21:47:06",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "2109.712942 VESTS"
    }
  ]
}

{
  "trx_id": "441fc5e8ac802c929ab6b79f9d8ad0f42bd17dab",
  "block": 79874669,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2023-11-14T13:26:18",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "2278.846474 VESTS"
    }
  ]
}

{
  "trx_id": "982edce123dac46eb69d170be0ac62c3c59cf407",
  "block": 78364228,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2023-09-22T11:31:54",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "5215.755260 VESTS"
    }
  ]
}

{
  "trx_id": "3700542d9958f1d2c55c9a7b3d5edafe29190077",
  "block": 69121803,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2022-11-03T18:51:21",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "5437.806698 VESTS"
    }
  ]
}

{
  "trx_id": "e6358b3362c57d873a2265696405c6e5c065623c",
  "block": 60824937,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2022-01-17T23:57:21",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "5657.914299 VESTS"
    }
  ]
}

{
  "trx_id": "03ac94a796f2f5070ff09361688377b9937ac837",
  "block": 54615206,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2021-06-14T07:05:48",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "5842.108587 VESTS"
    }
  ]
}

{
  "trx_id": "08662ce779e451147018d8c52f3b85c4a829956f",
  "block": 49362443,
  "trx_in_block": 8,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-12-11T17:17:12",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "6029.530561 VESTS"
    }
  ]
}

{
  "trx_id": "f90aac20a120d962786171b8792d3b69658a66a1",
  "block": 49213954,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-12-06T10:52:33",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "1912.543513 VESTS"
    }
  ]
}

{
  "trx_id": "98792c17ebdf60c4e1085e2681d7e5c1d0865f40",
  "block": 49197527,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-12-05T20:55:09",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "6035.738415 VESTS"
    }
  ]
}

{
  "trx_id": "ac8669c933e46a21c05a33c09c60bdec728230ed",
  "block": 48272888,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-11-03T04:27:15",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "1920.017158 VESTS"
    }
  ]
}

{
  "trx_id": "5e57b08aa699ce44ce841560c949bb303ad4026f",
  "block": 43224298,
  "trx_in_block": 18,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-05-09T11:56:30",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "6238.543774 VESTS"
    }
  ]
}

{
  "trx_id": "1f63688d967ebf43c844ce0b351aa5f4b40ca86e",
  "block": 43201490,
  "trx_in_block": 14,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2020-05-08T16:28:15",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "1953.311140 VESTS"
    }
  ]
}

{
  "trx_id": "d7ec0b5559fcf7eb0227e4ab46b1cf3099250e49",
  "block": 38124076,
  "trx_in_block": 7,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2019-11-13T00:16:06",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "login-logout-php-mysql",
      "author": "steemitboard",
      "permlink": "steemitboard-notify-techfree-20191113t001605000z",
      "title": "",
      "body": "Congratulations @techfree! You received a personal award!\n\n<table><tr><td>https://steemitimages.com/70x70/http://steemitboard.com/@techfree/birthday2.png</td><td>Happy Birthday! - You are on the Steem blockchain for 2 years!</td></tr></table>\n\n<sub>_You can view [your badges on your Steem Board](https://steemitboard.com/@techfree) and compare to others on the [Steem Ranking](https://steemitboard.com/ranking/index.php?name=techfree)_</sub>\n\n\n**Do not miss the last post from @steemitboard:**\n<table><tr><td><a href=\"https://steemit.com/steemfest/@steemitboard/steemfest-meet-the-stemians-contest-the-mysterious-rule-revealed\"><img src=\"https://steemitimages.com/64x128/https://cdn.steemitimages.com/DQmasWw4jQHwxng82DKxY6Q6tVg9mWcto4xcDURs8knFgCa/image.png\"></a></td><td><a href=\"https://steemit.com/steemfest/@steemitboard/steemfest-meet-the-stemians-contest-the-mysterious-rule-revealed\">SteemFest Meet The Stemians Contest - The mysterious rule revealed</a></td></tr></table>\n\n###### [Vote for @Steemitboard as a witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1) to get one more award and increased upvotes!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}"
    }
  ]
}

{
  "trx_id": "fba8485c89be71bb6e788aea54b13d188f769fc6",
  "block": 37790493,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2019-11-01T09:45:48",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "6344.942857 VESTS"
    }
  ]
}

{
  "trx_id": "ef15d33ec222c02c978990509d67cbca985a304b",
  "block": 33528527,
  "trx_in_block": 24,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2019-06-05T08:34:06",
  "op": [
    "transfer",
    {
      "from": "steemdetective",
      "to": "techfree",
      "amount": "0.001 STEEM",
      "memo": "Hy @techfree check out https://steemdetective.com"
    }
  ]
}

{
  "trx_id": "429b8fa434fb36cc2c23217766fc70460c766002",
  "block": 32347676,
  "trx_in_block": 20,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2019-04-25T07:49:51",
  "op": [
    "transfer",
    {
      "from": "steemdetective",
      "to": "techfree",
      "amount": "0.001 STEEM",
      "memo": "Hy @techfree check out https://steemdetective.com"
    }
  ]
}

{
  "trx_id": "e2f343b3d95267614a44147802ad10db6bca3298",
  "block": 30567119,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2019-02-22T09:45:36",
  "op": [
    "transfer",
    {
      "from": "steemdetective",
      "to": "techfree",
      "amount": "0.001 STEEM",
      "memo": "Hy @techfree check out https://steemdetective.com"
    }
  ]
}

{
  "trx_id": "8c5d51b4a79469eb4b545d54a3cbf42216dabe51",
  "block": 28046596,
  "trx_in_block": 19,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-11-26T19:42:45",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "6542.418234 VESTS"
    }
  ]
}

{
  "trx_id": "67217e5ab2c8c1718e013e1033ebf2ec3b91d8e7",
  "block": 27652808,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-11-13T03:21:54",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "login-logout-php-mysql",
      "author": "steemitboard",
      "permlink": "steemitboard-notify-techfree-20181113t032153000z",
      "title": "",
      "body": "Congratulations @techfree! You have received a personal award!\n\n[![](https://steemitimages.com/70x70/http://steemitboard.com/@techfree/birthday1.png)](http://steemitboard.com/@techfree)  1 Year on Steemit\n<sub>_Click on the badge to view your Board of Honor._</sub>\n\n\n**Do not miss the last post from @steemitboard:**\n<table><tr><td><a href=\"https://steemit.com/steemfest/@steemitboard/steemfest3-and-steemitboard-meet-the-steemians-contest\"><img src=\"https://steemitimages.com/64x128/https://cdn.steemitimages.com/DQmeLukvNFRsa7RURqsFpiLGEZZD49MiU52JtWmjS5S2wtW/image.png\"></a></td><td><a href=\"https://steemit.com/steemfest/@steemitboard/steemfest3-and-steemitboard-meet-the-steemians-contest\">SteemFest3 and SteemitBoard - Meet the Steemians Contest</a></td></tr></table>\n\n> Support [SteemitBoard's project](https://steemit.com/@steemitboard)! **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}"
    }
  ]
}

{
  "trx_id": "c2647bb6cf1b1e02332861bc4076fb25019f040a",
  "block": 26154704,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-09-22T01:53:06",
  "op": [
    "delegate_vesting_shares",
    {
      "delegator": "steem",
      "delegatee": "techfree",
      "vesting_shares": "26789.670209 VESTS"
    }
  ]
}

{
  "trx_id": "fb83fd6b337a6f59800358add4cb817818a2d64a",
  "block": 24510492,
  "trx_in_block": 2,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-26T09:44:30",
  "op": [
    "vote",
    {
      "voter": "steemitboard",
      "author": "techfree",
      "permlink": "login-logout-php-mysql",
      "weight": 100
    }
  ]
}

{
  "trx_id": "f83154f61f1b341ea24f3876320d9422c4d47cf8",
  "block": 24510491,
  "trx_in_block": 20,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-26T09:44:27",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "login-logout-php-mysql",
      "author": "steemitboard",
      "permlink": "steemitboard-notify-techfree-20180726t094429000z",
      "title": "",
      "body": "Congratulations @techfree! You have completed the following achievement on Steemit and have been rewarded with new badge(s) :\n\n[![](https://steemitimages.com/70x80/http://steemitboard.com/notifications/posts.png)](http://steemitboard.com/@techfree) Award for the number of posts published\n\n<sub>_Click on the badge to view your Board of Honor._</sub>\n<sub>_If you no longer want to receive notifications, reply to this comment with the word_ `STOP`</sub>\n\n\nTo support your work, I also upvoted your post!\n\n\n> Do you like [SteemitBoard's project](https://steemit.com/@steemitboard)? Then **[Vote for its witness](https://v2.steemconnect.com/sign/account-witness-vote?witness=steemitboard&approve=1)** and **get one more award**!",
      "json_metadata": "{\"image\":[\"https://steemitboard.com/img/notify.png\"]}"
    }
  ]
}

{
  "trx_id": "817b96d25e5de7f33ab021196e0e316984e7d775",
  "block": 24503247,
  "trx_in_block": 17,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-26T03:41:33",
  "op": [
    "vote",
    {
      "voter": "girlplaying21",
      "author": "techfree",
      "permlink": "login-logout-php-mysql",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "c5ce9ad32efb79282a7153ee746b828a86586a3b",
  "block": 24502824,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-26T03:20:24",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "login-logout-php-mysql",
      "title": "របៀបបង្កើត ទម្រង់ Login និង Logout ដោយប្រើប្រាស់ PHP ជាមួយ MySql",
      "body": "![how-to-create-form-login-and-logout-php-with-mysql.jpg](https://cdn.steemitimages.com/DQmP8zWiPXTy7SCPMabkR2x7S4HuNr5rvVekkxqRVUjksHp/how-to-create-form-login-and-logout-php-with-mysql.jpg)\n\nអត្ថបទនេះនឹង និយាយអំពីរបៀបបង្កើតទម្រង់ Login និង Logout ដោយប្រើប្រាស់ ភាសា php ជាមួយ Mysql ។\n\n\nរបៀបបង្កើតទម្រង់ Login និង Logout ដោយប្រើប្រាស់ ភាសា php ជាមួយ Mysql ។\n\n១) ធ្វើការបង្កើត Database និង ដាក់ឈ្មោះអោយ Database ព្រមទាំងបង្កើត Table បន្ថែម Field ទៅអោយ Table បន្ទាប់មកបញ្ចូលនិន្នន័យ\n\nសូមមើលឧទាហរណ៍៖\n\n![1-10.jpg](https://cdn.steemitimages.com/DQmYC4PtXZcGwZstyL4FNKTRKWVWMo44iwgu91NWe57Vu8r/1-10.jpg)\n\n២) ធ្វើការបង្កើតទម្រង់ Login ដោយធ្វើការសរសេរកូដដូចខាងក្រោម៖\n\n**index.php**\n\n![pdo_login.jpg](https://cdn.steemitimages.com/DQmUAHF4bbRb4X973WXF23CM6Li5t6RQoPkYJRXNY22R7Ho/pdo_login.jpg)\n![pdo_login1.jpg](https://cdn.steemitimages.com/DQmVBHJqz9SiXjBWt6j4nNdrHTV7nDMc3LJh4B7vbVvLe7x/pdo_login1.jpg)\n![pdo_login2.jpg](https://cdn.steemitimages.com/DQmVD5EFY8Q8Ufq2vnbwGgiC9gVFKF1BQounFKykfopuuqd/pdo_login2.jpg)\n\n**file login_success.php**\n\n![new_login_success.jpg](https://cdn.steemitimages.com/DQmUAZBTbwkHv6e1gAMe25fiA5AHBwoZ3kgyKFUK8jgaqQZ/new_login_success.jpg)\n\n**file logout.php**\n\n![logout.jpg](https://cdn.steemitimages.com/DQmd1gqauZSDxSxavfyN8srqAzLk3JwZs7TaTsGFPJDv8RJ/logout.jpg)\n\nសូមមើលលទ្ធផល៖\n\nusername: admin\n\npassword: 123\n\nប្រសិនបើយើងមិនបានបញ្ចូល Username and Password នឹងចេញលទ្ធផល៖\n\n![if_not_input_usename_and_password.jpg](https://cdn.steemitimages.com/DQmd9kohJcUu2GEYdHm5jAExwsFvCnGx9K4b8qQG5SUtCtk/if_not_input_usename_and_password.jpg)\n\nបន្ទាប់ពីយើងចុច Login នឹងចេញលទ្ធផល៖\n\n![after_we_login_success.jpg](https://cdn.steemitimages.com/DQma6aL7ZMvw2rynimNrLAqW64jqsTDTvH9xSmtTmyfJycA/after_we_login_success.jpg)\n\nពេលដែលយើងចុច Logout វានឹងចេញទៅកាន់ ទំព័រ Login វិញ\n\n![after_we_logout.jpg](https://cdn.steemitimages.com/DQmPywKfrM1JsSeZD9wnEHzSvTiXriyk1jsPnrW6hxp5btn/after_we_logout.jpg)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/26/how-to-create-login-logout-by-php-with-mysql/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"login\",\"logout\",\"php\"],\"image\":[\"https://cdn.steemitimages.com/DQmP8zWiPXTy7SCPMabkR2x7S4HuNr5rvVekkxqRVUjksHp/how-to-create-form-login-and-logout-php-with-mysql.jpg\",\"https://cdn.steemitimages.com/DQmYC4PtXZcGwZstyL4FNKTRKWVWMo44iwgu91NWe57Vu8r/1-10.jpg\",\"https://cdn.steemitimages.com/DQmUAHF4bbRb4X973WXF23CM6Li5t6RQoPkYJRXNY22R7Ho/pdo_login.jpg\",\"https://cdn.steemitimages.com/DQmVBHJqz9SiXjBWt6j4nNdrHTV7nDMc3LJh4B7vbVvLe7x/pdo_login1.jpg\",\"https://cdn.steemitimages.com/DQmVD5EFY8Q8Ufq2vnbwGgiC9gVFKF1BQounFKykfopuuqd/pdo_login2.jpg\",\"https://cdn.steemitimages.com/DQmUAZBTbwkHv6e1gAMe25fiA5AHBwoZ3kgyKFUK8jgaqQZ/new_login_success.jpg\",\"https://cdn.steemitimages.com/DQmd1gqauZSDxSxavfyN8srqAzLk3JwZs7TaTsGFPJDv8RJ/logout.jpg\",\"https://cdn.steemitimages.com/DQmd9kohJcUu2GEYdHm5jAExwsFvCnGx9K4b8qQG5SUtCtk/if_not_input_usename_and_password.jpg\",\"https://cdn.steemitimages.com/DQma6aL7ZMvw2rynimNrLAqW64jqsTDTvH9xSmtTmyfJycA/after_we_login_success.jpg\",\"https://cdn.steemitimages.com/DQmPywKfrM1JsSeZD9wnEHzSvTiXriyk1jsPnrW6hxp5btn/after_we_logout.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/26/how-to-create-login-logout-by-php-with-mysql/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "3792b2f288284ef868dc93ab32c7e0e92cf58f92",
  "block": 24302259,
  "trx_in_block": 2,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-19T04:05:27",
  "op": [
    "vote",
    {
      "voter": "techfree",
      "author": "graceavenz",
      "permlink": "ulog-10-keeping-the-good-vibes-early-morning-for-an-ice-cream-and-bonding-time-with-my-cousins",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "1eb872e6803e9fc7b5001110fd8d78d9fc3e3761",
  "block": 24302253,
  "trx_in_block": 24,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-19T04:05:09",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "yii-framework",
      "author": "cheetah",
      "permlink": "cheetah-re-techfreeyii-framework",
      "title": "",
      "body": "Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:\nhttps://www.techfree.info/2016/10/26/how-to-install-yiiframework/",
      "json_metadata": ""
    }
  ]
}

{
  "trx_id": "fb182dc84240053e122fdaa46b2d7caeb0e46448",
  "block": 24302251,
  "trx_in_block": 50,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-19T04:05:03",
  "op": [
    "vote",
    {
      "voter": "cheetah",
      "author": "techfree",
      "permlink": "yii-framework",
      "weight": 8
    }
  ]
}

{
  "trx_id": "fbb57ffb0bdced4fc83b7c1528575bf44b4add2f",
  "block": 24302247,
  "trx_in_block": 1,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-19T04:04:51",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "yii-framework",
      "title": "របៀបដំឡើង Yii Framework",
      "body": "![yiiframework.jpg](https://cdn.steemitimages.com/DQmeGxweVxTxbdyh41CG3ZAxvG6Y78oksTsfwhhMdWx5wWT/yiiframework.jpg)\n\nYii គឺជាបណ្ដុំនៃកូដ រឺបណ្ណាល័យ(Framework) មួយរបស់ភាសាកុំព្យូទ័រ PHP ដែលជាភាសាសំរាប់បង្កើតជាប្រព័ន្ធ(System) នៅក្នុងគេហទំព័រ ដែលកំពុងពេញនិយម ។ Yii ក៏ដូចជាបណ្ដុំនៃកូដរបស់ PHP ផ្សេងទៀតដែរគឺ វាជួយសំរួលនិងមានភាពរហ័សក្នុងការបង្កើតប្រព័ន្ធនៅក្នុងគេហទំព័រផងដែរ ។លើសពីនេះទៀតវាថែមទាំងមានសុវត្ថិភាពខ្ពស់ដែលអាចការពារពីការជ្រៀតចូលរំខានពីអ្នកចង់បំផ្លាញប្រព័ន្ធនោះ (Hacker) ។\n\n\nថ្ងៃនេះ TechFree សូមបង្ហាញពីការដំឡើង (Install) និងណែនាំអំពីការប្រើប្រាស់ Yii Framework នេះ ដែលអាចចាត់ទុកថាវាគឺជាគន្លឹះមួយសំរាប់អ្នកដែលចង់ចេះអំពីវា ។ ម្យ៉ាងវិញទៀត វាក៏មានលក្ខណៈស្មុគ្រស្មាញបន្តិចផងដែរនៅក្នុងការដំឡើងវាហើយ យើងត្រូវដំឡើងវាជាមួយកម្មវិធីផ្ទុកទិន្នន័យមួយរបស់គេហទំព័រ (Web Server) មានដូចជា Wamp និង Xampp Server ជាដើម។ យើងខ្ញុំសូមបង្ហាញនូវការដំឡើងជាមួយ Wamp Server ។\n\n១) ការទាញយក\n\nមុននឹងធ្វើការដំឡើង Yii យើងត្រូវទាញយក វាជាមុនសិនតាមរយៈ [www.yiiframework.com](http://www.yiiframework.com/)  ។\n\nសូមមើលរូបខាងក្រោម ៖\n\n![yii1.png](https://cdn.steemitimages.com/DQmU2kmA6XczHAyWcMyo1XfKN4t7f9HJyHJrKiSTqedVaVE/yii1.png)\n\nក្រោយពីការទាញយករួចយើងត្រូវប្ដូរឈ្មោះទៅជា yii ដើម្បីងាយស្រួលមើល និងថតចម្លង (copy) ឯកសារ (file) នោះទៅដាក់នៅទីតាំងរបស់ Wamp Server ។ សូមមើលរួប ៖\n\n![yii2.png](https://cdn.steemitimages.com/DQmPfPseYuKij2kD2JLaroAhLUCckmRVBGohyBorf6eQfPs/yii2.png)\n\nបន្ទាប់មកទៀតត្រូវចម្លងអាស័យដ្ឋានរបស់ PHP ទៅដាក់នៅក្នុង yiic.bat\n\n![yii4.png](https://cdn.steemitimages.com/DQmcicKYd26ZYKfn4fij5aVUngf6UMWUsNDRrvSZ7QvxupG/yii4.png)\n<center>រូបទី១</center>\n\n![yii3.png](https://cdn.steemitimages.com/DQmSoH3G6rv1Z9Dbupa22gZsoEh7nm5p4AeXUcxwiLGrJmJ/yii3.png)\n<center>រូបទី២</center>\n\n![yii5.png](https://cdn.steemitimages.com/DQmRrCC9JXw6yy7V91KCEEbRcLBc3s8t42ioACJiRbqKXJR/yii5.png)\n<center>រូបទី៣</center>\n\n២) ការបង្កើតគេហទំព័រ\n\nបន្ទាប់ពីរៀបចំនៅខាងលើរួចរាល់ហើយមក យើងអាចបង្កើតគំរូគេហទំព័ររបស់ Yii បានតាមរយៈ  Command Prompt របស់ Window។\n\n![yii6.png](https://cdn.steemitimages.com/DQmYHbjBZpuZdNdK71ws9NpAXLv77RCEzP2jDUC8vGD548g/yii6.png)\n<center>រូបទី១</center>\n\nបន្ទាប់ពីរូបទី១ យើងត្រូវបញ្ចូលពាក្យដូចខាងក្រោម ៖\n\n* yiic webapp គឺបញ្ជាក់ថាយើងចង់បង្កើតគេហទំព័រមួយ\n* C:\\wamp\\www\\yiitest គឺជាកន្លែងដែលដាក់គេហទំព័រគំរូរបស់យើង ហើយមានឈ្មោះថា yiitest\n* yes គឺជាចម្លើយបញ្ជាក់ថា យើងពិតជាបង្កើតគេហទំព័រគំរូមែន\n\n![yii7.png](https://cdn.steemitimages.com/DQmS3DV3QJ8ZmvhQDsca2mv3ujLAnMFJC53eRt18RibKfwb/yii7.png)\n<center>រូបទី២</center>\n\nបន្ទាប់មកទៀត យើងនឹងឃើញកន្លែងផ្ទុកឯកសារ (folder)មួយឈ្មោះថា yiitest ដែល យើងបានដាក់។\n\n![yii8.png](https://cdn.steemitimages.com/DQmXtyLJzLKYrB3cUwjwLnwFkgL4znDWNZzTCWK2i1DXZTD/yii8.png)\n\n៣) លទ្ធផល\n\nក្រោយពីការរៀបចំខាងលើរួចរាល់ហើយមកនោះ យើងនឹងទទួលបានលទ្ធផលដូចខាងក្រោម ៖\n\n![yii9.png](https://cdn.steemitimages.com/DQmeoLRzv7xu3Y2rFKHbXgik1CQ6r6oNb1rKRtVyPLCUU4C/yii9.png)\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/26/how-to-install-yiiframework/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"yii\",\"framework\"],\"image\":[\"https://cdn.steemitimages.com/DQmeGxweVxTxbdyh41CG3ZAxvG6Y78oksTsfwhhMdWx5wWT/yiiframework.jpg\",\"https://cdn.steemitimages.com/DQmU2kmA6XczHAyWcMyo1XfKN4t7f9HJyHJrKiSTqedVaVE/yii1.png\",\"https://cdn.steemitimages.com/DQmPfPseYuKij2kD2JLaroAhLUCckmRVBGohyBorf6eQfPs/yii2.png\",\"https://cdn.steemitimages.com/DQmcicKYd26ZYKfn4fij5aVUngf6UMWUsNDRrvSZ7QvxupG/yii4.png\",\"https://cdn.steemitimages.com/DQmSoH3G6rv1Z9Dbupa22gZsoEh7nm5p4AeXUcxwiLGrJmJ/yii3.png\",\"https://cdn.steemitimages.com/DQmRrCC9JXw6yy7V91KCEEbRcLBc3s8t42ioACJiRbqKXJR/yii5.png\",\"https://cdn.steemitimages.com/DQmYHbjBZpuZdNdK71ws9NpAXLv77RCEzP2jDUC8vGD548g/yii6.png\",\"https://cdn.steemitimages.com/DQmS3DV3QJ8ZmvhQDsca2mv3ujLAnMFJC53eRt18RibKfwb/yii7.png\",\"https://cdn.steemitimages.com/DQmXtyLJzLKYrB3cUwjwLnwFkgL4znDWNZzTCWK2i1DXZTD/yii8.png\",\"https://cdn.steemitimages.com/DQmeoLRzv7xu3Y2rFKHbXgik1CQ6r6oNb1rKRtVyPLCUU4C/yii9.png\"],\"links\":[\"http://www.yiiframework.com/\",\"https://www.techfree.info/2016/10/26/how-to-install-yiiframework/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "3bc69b3c33abd2d99c1a8e162363f82f3ff12a9d",
  "block": 24133865,
  "trx_in_block": 30,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-13T07:41:18",
  "op": [
    "vote",
    {
      "voter": "girlplaying21",
      "author": "techfree",
      "permlink": "vue-js",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "9c286df03500f857a42e80af4f5690a8ec49d94b",
  "block": 24133455,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-13T07:20:48",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "vue-js",
      "title": "របៀបទទួលទិន្នន័យពីអ្នកប្រើជាមួយ Vue.Js",
      "body": "![Feacture_image_input_on_input.jpg](https://cdn.steemitimages.com/DQmb4NR9Ns8YEbZTsbCvsvGs1TZzuyzPgr2y3DqN2LsDQJy/Feacture_image_input_on_input.jpg)\n\nអត្ថបទនេះជាអត្ថបទទី៣ បន្ទាប់ពីអត្ថបទរបៀបប្រើប្រាស់ Vue.js Javscript Framework ហើយនៅក្នុងអត្ថបទនេះ នឹង បង្រៀនលោកអ្នកពីរបៀបប្រើ User input។ដើម្បីអោយអ្នកប្រើ អាចទំនាក់ទំនងនឹងកម្មវិធីនេះបាន លោកអ្នកអាចប្រើ v-on ធ្វើការសារាចរណ៍ទៅនឹង Event  ដែលជា Methods នៅលើ Vue។\n\nឧទាហរណ៍៖ Techfree នឹងធ្វើការបង្រៀនលោកអ្នកអំពីការ ត្រឡប់អក្សរដោយប្រើជាមួយ v-on ។ លោកអ្នកធ្វើការបង្កើត index.html សរសេរកូដដូចខាងក្រោម៖\n\n![vue_inverst_text.jpg](https://cdn.steemitimages.com/DQmaCHyC3ctW3pg6yLduNgjqXbCBi5xMLTr53cD8SnGeYXn/vue_inverst_text.jpg)\n\nនៅលើបន្ទាត់ទី 10 v-on:click មានន័យថា User ចុចលើ button នោះ function reverseMessage នឹងដំណើការ។លោកអ្នកធ្វើការបង្កើត user.js ហើយសរសេរកូដដូចខាងក្រោម៖\n\n![vue_inverst_text2.jpg](https://cdn.steemitimages.com/DQmcbxS8RQ8enm65LPJPWi7SkZuyABJcn1H1m6Xbesi4asf/vue_inverst_text2.jpg)\n\nនៅក្នុង Methods មាន function 1 គឺreverseMessage វាធ្វើនៅពេលដែល user ចុច ហើយ this.message.split(‘ ‘) មានន័យថា វាធ្វើការបំបែកអក្សរដោយអមដោយសញ្ញា “” ។Method reverse គឺសំរាប់ធ្វើការត្រលប់អក្សរ ហើយ Method join(‘ ‘) គឺសំរាប់ធ្វើការភ្ជាប់ អក្សរដែលនៅក្នុងសញ្ញា “” ។\n\nលទ្ធផលនឹងបង្ហាញដូចខាងក្រោម\n\n![Result_reverse_string1.jpg](https://cdn.steemitimages.com/DQmbX53ua6nLCa7MYchBba3sH9MmXRDvpn3Kdti2ZAn3awY/Result_reverse_string1.jpg)\n\n* របៀបបញ្ចូលទិន្នន័យ (user Input)\nvue ត្រូវបានផ្តល់ v-model ដែលជាProperty សំរាប់ធ្វើការទៅលើ Form input។\n\n១) New file  > user_input.html សរសេកូដដូចខាងក្រោម\n\n![code_input.jpg](https://cdn.steemitimages.com/DQmQvp3k7kuJqJKTWhhnYvhWZFFd43qUbsjJjX6JbtNN2qn/code_input.jpg)\n\n២) New File  > user_input.js សរសេកូដដូចខាងក្រោម\n\n![code_input2.jpg](https://cdn.steemitimages.com/DQmcK6B7mEsMekeekkEJ6Tdc97ZYGT7Vt6ywZ521xx6EBBV/code_input2.jpg)\n\n* el: គឺជា Element សំរាប់ធ្វើការជាមួយ ID ដែលបានផ្តល់នៅលើ Template\n\n* message គឺជាអញ្ញាត់ដែលតាងសំរាប់ទទួលតំលៃ ដែលយើងបានផ្តល់អោយ\n\nកូដនៅខាងលើនឹងបង្ហាញដូចខាងក្រោម\n\n![Result_form_input.jpg](https://cdn.steemitimages.com/DQmWK7BRSw2tgaig4TAksat2X5uh166tVoHTFcAqAZ4eKDH/Result_form_input.jpg)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/26/how-to-handling-user-input-with-vue-js/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"vuejs\",\"data\"],\"image\":[\"https://cdn.steemitimages.com/DQmb4NR9Ns8YEbZTsbCvsvGs1TZzuyzPgr2y3DqN2LsDQJy/Feacture_image_input_on_input.jpg\",\"https://cdn.steemitimages.com/DQmaCHyC3ctW3pg6yLduNgjqXbCBi5xMLTr53cD8SnGeYXn/vue_inverst_text.jpg\",\"https://cdn.steemitimages.com/DQmcbxS8RQ8enm65LPJPWi7SkZuyABJcn1H1m6Xbesi4asf/vue_inverst_text2.jpg\",\"https://cdn.steemitimages.com/DQmbX53ua6nLCa7MYchBba3sH9MmXRDvpn3Kdti2ZAn3awY/Result_reverse_string1.jpg\",\"https://cdn.steemitimages.com/DQmQvp3k7kuJqJKTWhhnYvhWZFFd43qUbsjJjX6JbtNN2qn/code_input.jpg\",\"https://cdn.steemitimages.com/DQmcK6B7mEsMekeekkEJ6Tdc97ZYGT7Vt6ywZ521xx6EBBV/code_input2.jpg\",\"https://cdn.steemitimages.com/DQmWK7BRSw2tgaig4TAksat2X5uh166tVoHTFcAqAZ4eKDH/Result_form_input.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/26/how-to-handling-user-input-with-vue-js/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "568a943c8facea0040781448bbeba9c22b4d9177",
  "block": 24133122,
  "trx_in_block": 25,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-13T07:04:09",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "python",
      "title": "របៀបបង្កើត លុប កែប្រែ ឯកសារជាមួយ Python",
      "body": "![python_file_1.png](https://cdn.steemitimages.com/DQmY636f9guSUDBXVBdQn2fFwJ6SS66fWky98S1bdfkXVf6/python_file_1.png)\n\nនៅក្នុងអត្ថបទនេះ TECHFREE នឹងបង្ហាញពីរបៀបបង្កើត លុប កែប្រែ ឯកសារ ដែលយើងហៅថា “File”។ ក្នុងការបង្កើត File នេះគឺយើងគ្រាន់តែកំណត់ Extension ដែលអ្នកចង់បានជាការស្រេច។ ដូចជា៖ TECHFREE.txt, TECHFREE.doc, TECHFREE.xls …។\n\nឧទាហរណ៍៖ ការបង្កើតឯកសារ (Create File)\n\n![create_file.jpg](https://cdn.steemitimages.com/DQmYxUT6Q16ZvjsrgJN1UMGvQz6CMtEps1EPCiN36DUwbXf/create_file.jpg)\n\nសូមដំណើរការកូដខាងលើអ្នកនឹងឃើញ File នៅក្នុង Folder Project របស់អ្នក។\n\n![create_file_result1.jpg](https://cdn.steemitimages.com/DQmbotvxPDHyrcvuoRCgox6vfnLJP2cfcKZLipJS1UfDYDE/create_file_result1.jpg)\n\nឧទាហរណ៍៖ កែប្រែ ឯកសារ (Edit File)\n\n![rename_file.jpg](https://cdn.steemitimages.com/DQmNPYfuJpkjGtPa9q6X3c5jjUq3iqsJ6NsS16SvJUyNJUM/rename_file.jpg)\n\nបន្ទាប់ពីអ្នកដំណើរការកូដខាងលើ ឯកសារ(File) “TECHFREE.txt” នឹង កែប្រែទៅជា “TECHFREE_NEW.doc”។\n\n![rename_file_result_2.jpg](https://cdn.steemitimages.com/DQmVb5nfWaZYbhXACmEHpnhBhNdKtAZEWetAuDXU3QXGs1j/rename_file_result_2.jpg)\n\nឧទាហរណ៍៖ ការលុបឯកសារ (Delete File)\n\n![rename_file.jpg](https://cdn.steemitimages.com/DQmNPYfuJpkjGtPa9q6X3c5jjUq3iqsJ6NsS16SvJUyNJUM/rename_file.jpg)\n\nបន្ទាប់ពីអ្នកដំណើរការកូដខាងលើ ឯកសារ(File) “TECHFREE_NEW.doc” នឹងលុបចេញពី Folder Project របស់អ្នក។\n\n![rename_file_result_2.jpg](https://cdn.steemitimages.com/DQmVb5nfWaZYbhXACmEHpnhBhNdKtAZEWetAuDXU3QXGs1j/rename_file_result_2.jpg)\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/26/how-to-create-delete-edit-file-with-python/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"python\",\"crud\"],\"image\":[\"https://cdn.steemitimages.com/DQmY636f9guSUDBXVBdQn2fFwJ6SS66fWky98S1bdfkXVf6/python_file_1.png\",\"https://cdn.steemitimages.com/DQmYxUT6Q16ZvjsrgJN1UMGvQz6CMtEps1EPCiN36DUwbXf/create_file.jpg\",\"https://cdn.steemitimages.com/DQmbotvxPDHyrcvuoRCgox6vfnLJP2cfcKZLipJS1UfDYDE/create_file_result1.jpg\",\"https://cdn.steemitimages.com/DQmNPYfuJpkjGtPa9q6X3c5jjUq3iqsJ6NsS16SvJUyNJUM/rename_file.jpg\",\"https://cdn.steemitimages.com/DQmVb5nfWaZYbhXACmEHpnhBhNdKtAZEWetAuDXU3QXGs1j/rename_file_result_2.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/26/how-to-create-delete-edit-file-with-python/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "5da5328d80a438c6c709bd965f7c1d39d3f2b42a",
  "block": 24106086,
  "trx_in_block": 2,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-12T08:31:24",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "array-ruby",
      "title": "ស្វែងយល់ពី Array នៅក្នុងភាសា Ruby",
      "body": "![Untitled-1-10.jpg](https://cdn.steemitimages.com/DQmZAFMWfNTducJ6aiXVVEpZ1MjMRv7KSTePwvZ2dwWND8q/Untitled-1-10.jpg)\n\nArray គឺជាធាតុអថេរពិសេសដែលអនុញ្ញាតឱ្យអ្នករក្សាទុកធាតុអថេរផ្សេងទៀតដូចជា ធាតុអថេរជាអក្សរ(string) ធាតុអថេរជាចំនួន(integer)ជាដើម។ ធាតុរបស់ Array គឺចាប់ផ្តើមពីលេខ ០ ដែលគេហៅថា index។ នៅក្នុងភាសា ស្វែងយល់ពី Array នៅក្នុងភាសា Ruby  ត្រូវបានគេបង្កើតដោយចាប់ផ្តើមជាមួយ array[]។\n\nឧទាហរណ៍៖\n\n![ex1.png](https://cdn.steemitimages.com/DQmTp9EgRCTofeQ1L3wYGoBAHuHZorRzCRQPWfr862xeEuN/ex1.png)\n\nអ្នកអាចបន្ថែមធាតុទៅក្នុង array បានដោយប្រើសញ្ញា “” នៅពេលធាតុអថេរជាអក្សរ(string) តែមិនបាច់ប្រើសញ្ញា “” ទេនៅពេលបន្ថែមធាតុអថេរជាចំនួន(integer)។ នៅក្នុងធាតុនីមួយៗនៃ array ត្រូវតែបំបែកដោយសញ្ញាក្បៀស ,។  ដើម្បីទាញយកធាតុអថេរចេញពី Array វិញគេត្រូវសរសេរដូចខាងក្រោម៖\n\n![ex2.png](https://cdn.steemitimages.com/DQmNxnuw5pqZ9mMVpfCCKDyc8t76TbbDdxMQR7im4QrnDtZ/ex2.png)\n\nឧទាហរណ៍ខាងក្រោមនេះសម្រាប់ធាតុអថេរជាចំនួន(integer)ប៉ុណ្ណោះ ៖\n\n![ex3.png](https://cdn.steemitimages.com/DQmdpSnfQRh44hMMWEpy7anzLKws8n2i3CQfKnkezmJkEBL/ex3.png)\n\nការរង្វិលធាតុនៃអថេរ (loop array)\n\n![ex4.png](https://cdn.steemitimages.com/DQmXN9o44CpCAFSL6b2L5fDN52r4CuxzUbcCowhwGNAMSPZ/ex4.png)\n\nសំគាល់៖ មុននឹងអនុវត្តន៍ឧទាហរណ៍ខាងលើបានអ្នកត្រូវដំឡើង Ruby ជាមុនសិន ចុចទីនេះមើលការរបៀបដំឡើង។ បន្ទាប់ពីដំឡើងរួចមកដើម្បីដំណើរការកូដចេញលទ្ធផលដូចខាងលើអ្នកត្រូវ រក្សាទុកឯកសារជា .rb  រួចដំណើរការកូដដោយវាយ ឧទាហរណ៍៖ ruby test.rb៕\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/array-ruby/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"array\",\"ruby\"],\"image\":[\"https://cdn.steemitimages.com/DQmZAFMWfNTducJ6aiXVVEpZ1MjMRv7KSTePwvZ2dwWND8q/Untitled-1-10.jpg\",\"https://cdn.steemitimages.com/DQmTp9EgRCTofeQ1L3wYGoBAHuHZorRzCRQPWfr862xeEuN/ex1.png\",\"https://cdn.steemitimages.com/DQmNxnuw5pqZ9mMVpfCCKDyc8t76TbbDdxMQR7im4QrnDtZ/ex2.png\",\"https://cdn.steemitimages.com/DQmdpSnfQRh44hMMWEpy7anzLKws8n2i3CQfKnkezmJkEBL/ex3.png\",\"https://cdn.steemitimages.com/DQmXN9o44CpCAFSL6b2L5fDN52r4CuxzUbcCowhwGNAMSPZ/ex4.png\"],\"links\":[\"https://www.techfree.info/2016/10/25/array-ruby/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "dc02cf4a4a9180993f676d463c89b557c5574c6f",
  "block": 23877596,
  "trx_in_block": 20,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-04T10:00:57",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "web-server-nodejs",
      "author": "allnatural",
      "permlink": "re-techfree-web-server-nodejs-20180704t100055888z",
      "title": "",
      "body": "#\n# upvote for me please? https://steemit.com/news/@bible.com/2sysip\n#",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"links\":[\"https://steemit.com/news/@bible.com/2sysip\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "39dc8d6e17ed544f450cd6a6b8671cd62eabcb3b",
  "block": 23877587,
  "trx_in_block": 49,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-04T10:00:30",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "web-server-nodejs",
      "title": "របៀបបង្កើត web server ជាមួយ Nodejs",
      "body": "![node-web-server-feature-img.png](https://cdn.steemitimages.com/DQmUqFgAP5d8H4g6uZ4tGGZU6Py4jTw9VnGgVkhmqEwsrt2/node-web-server-feature-img.png)\n\nតើអ្វីទៅជា Web Server? Web Server គឺប្រើសម្រាប់គ្រប់គ្រងការហៅចូលដោយ HTTP client (កម្មវិធីមើលវេបសាយ(we browser)) ហើយបញ្ជូនត្រលប់មកវិញនូវទំព័រវេបសាយ ទៅកាន់ អ្នកប្រើប្រាស់។ ជាធម្មតា Web Server ចែកចាយនូវ html ជាមួយរូបភាព ស្ទាយ៍ (Style) និង ស្រ្គីប (Script)។\n\n\nខាងក្រោមនេះ Techfree នឹងលើកយកពីរបៀបបង្កើត Web Server ជាមួយនឹង NodeJS.\n\n![nodejs-web-server.png](https://cdn.steemitimages.com/DQmepRxXL8VnbonEYXHornVcJNopf1BBmwTT2vJmwQxPEzv/nodejs-web-server.png)\n\n1) require('http') សម្រាប់ហៅ http មកប្រើ\n\n2) http.createServer() គឺជា Function សម្រាប់បង្កើត Web Server រាល់ព័តមានដែលចង់បង្ហាញល់កម្មវិធីមើលវេបសាយគឺសរសេរខាងក្នុង Function នេះ។\n\nserver.listen(8080) មានន័យថាកំណត់ផតឲ្យស្មើនឹង 8080\n\nដើម្បី run យើងត្រូវវាយ command ក្នុង terminal: `node server.js`\n\n![node-run.png](https://cdn.steemitimages.com/DQmVkWXmiNJUhxPa3C5Evf7RqNjAbATCtAD6VEZxgYHBZ5z/node-run.png)\n\nបន្ទាប់មកចូលទៅកាន់កម្មវិធីបើកវេបសាសរបស់អ្នកហើយវាយ http://localhost:8080 ឬ http://127.0.0.1:8080\n\n![nodejsbrowser.png](https://cdn.steemitimages.com/DQmWbMhmmfnJkAioaTNiL6ej9FHpxiAv6aiJZesAMSswd1e/nodejsbrowser.png)\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/web-server-with-nodejs/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"web\",\"server\",\"nodejs\"],\"image\":[\"https://cdn.steemitimages.com/DQmUqFgAP5d8H4g6uZ4tGGZU6Py4jTw9VnGgVkhmqEwsrt2/node-web-server-feature-img.png\",\"https://cdn.steemitimages.com/DQmepRxXL8VnbonEYXHornVcJNopf1BBmwTT2vJmwQxPEzv/nodejs-web-server.png\",\"https://cdn.steemitimages.com/DQmVkWXmiNJUhxPa3C5Evf7RqNjAbATCtAD6VEZxgYHBZ5z/node-run.png\",\"https://cdn.steemitimages.com/DQmWbMhmmfnJkAioaTNiL6ej9FHpxiAv6aiJZesAMSswd1e/nodejsbrowser.png\"],\"links\":[\"http://localhost:8080\",\"http://127.0.0.1:8080\",\"https://www.techfree.info/2016/10/25/web-server-with-nodejs/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "1cd2594705caf582c26073f6b64e01ca36186bac",
  "block": 23877297,
  "trx_in_block": 32,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-04T09:46:00",
  "op": [
    "comment",
    {
      "parent_author": "steemcleaners",
      "parent_permlink": "re-techfree-codeigniter-20180702t184518572z",
      "author": "techfree",
      "permlink": "re-steemcleaners-re-techfree-codeigniter-20180704t094558303z",
      "title": "",
      "body": "We know about this case. But we just want to move all our article from website to Steemit",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "83e9ee7dc8bd656e6f655387ceb4394c1abf5c97",
  "block": 23877272,
  "trx_in_block": 25,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-04T09:44:45",
  "op": [
    "vote",
    {
      "voter": "techfree",
      "author": "steemcleaners",
      "permlink": "re-techfree-codeigniter-20180702t184518572z",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "66fc1cb71d5754b78e1f483459cbc19632f85840",
  "block": 23840316,
  "trx_in_block": 99,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-07-02T18:45:18",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "codeigniter",
      "author": "steemcleaners",
      "permlink": "re-techfree-codeigniter-20180702t184518572z",
      "title": "",
      "body": "[Source](https://www.techfree.info/2016/10/25/how-to-install-codeigniter/)\nCopying/Pasting full or partial texts without adding anything original is frowned upon by the community. Repeated copy/paste posts could be considered spam. Spam is discouraged by the community, and may result in action from the [cheetah bot](https://steemit.com/faq.html#What_is__cheetah).\r\n\r\n[More information and tips on sharing content.](https://steemcleaners.org/copy-paste-plagiarism/)\r\n\r\nIf you believe this comment is in error, please contact us in [#disputes on Discord](https://discord.gg/YR2Wy5A)\r\n",
      "json_metadata": "{\"app\":\"steemcleaners/0.3\",\"format\":\"markdown+html\",\"community\":\"steemcleaners\"}"
    }
  ]
}

{
  "trx_id": "94ba18c400b1c2051868a210c3e04e5c47855520",
  "block": 23742149,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T08:56:09",
  "op": [
    "vote",
    {
      "voter": "techfree",
      "author": "brian.rrr",
      "permlink": "first-stock-i-ever-owned-six",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "211e17efcaf3aeae58a2351530ea434863ba2df0",
  "block": 23742146,
  "trx_in_block": 44,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T08:56:00",
  "op": [
    "vote",
    {
      "voter": "techfree",
      "author": "enigma84",
      "permlink": "my-little-baby",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "1202e519254ce83643887ac691c4dd42b274fd4c",
  "block": 23742143,
  "trx_in_block": 89,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T08:55:51",
  "op": [
    "vote",
    {
      "voter": "techfree",
      "author": "vaansteam",
      "permlink": "detroit-become-human-connor-and-tips-to-get-motivated",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "cc708607b34ac94c3859154c583823aa23fe825c",
  "block": 23734629,
  "trx_in_block": 11,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T02:40:03",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "codeigniter",
      "author": "cheetah",
      "permlink": "cheetah-re-techfreecodeigniter",
      "title": "",
      "body": "Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:\nhttps://www.techfree.info/2016/10/25/how-to-install-codeigniter/",
      "json_metadata": ""
    }
  ]
}

{
  "trx_id": "573a8257e7a1c95b9b56ff62b2011385c1c3f27c",
  "block": 23734624,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T02:39:48",
  "op": [
    "vote",
    {
      "voter": "cheetah",
      "author": "techfree",
      "permlink": "codeigniter",
      "weight": 8
    }
  ]
}

{
  "trx_id": "50c3569774b5cec133dc4f0c08b2ae5f531e80eb",
  "block": 23734621,
  "trx_in_block": 15,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T02:39:39",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "codeigniter",
      "title": "របៀបដំឡើង CodeIgniter",
      "body": "![codiniter.jpg](https://cdn.steemitimages.com/DQmZeK31mGjhX769TDh4ApL3KS2iAR9i16GsUJDPD6aULdZ/codiniter.jpg)\n\nCodeIgniter គឺជា Framework របស់ភាសា PHP មួយដែលមានការពេញនិយមប្រើប្រាស់ផងដែរហើយសំរាប់ការដំឡើងវិញគឺមានភាពងាយស្រួលមិនមានភាពស្មុគស្មាញនោះទេ ។\n\n\nខាងក្រោមនេះជាវិធីដំឡើង CodeIgniter ៖\n\n* មុននឹងដំឡើង CodeIgniter យើងត្រូវតែដំឡើង Wamp Server នៅលើកុំព្យូទ័ររបស់យើងជាមុនសិនហើយនេះជាតំណសំរាប់ទាញយក Wamp Server http://www.wampserver.com/\n* បន្ទាប់មកយើងត្រូវចូលទៅទាញយក CodeIgniter ទៅតាមតំណមួយនេះជាមុនសិនhttp://www.codeigniter.com/user_guide/installation/downloads.html\n* បន្ទាប់ពីបានទាញយក CodeIgniter រួចរាល់ហើយយើងត្រូវធ្វើការពន្លាឯកសារនោះចេញមកក្រៅសិនហើយយកឯកសារនោះទៅដាក់នៅក្នុងថត C:\\wamp\\www\n* បន្ទាប់មកទៀតយើងត្រូវធ្វើការបើកដំណើរការកម្មវិធី Wamp Server ហើយបើកកម្មវិធីបើកគេហទំព័រហើយត្រូវវាយតំណ localhost/codeigniter/ ទៅក្នុងកម្មវិធីបើកគេហទំព័រនោះទៅរួចជាការស្រេច ។\n\n**ចំណាំ**៖ codeigniter គឺជាថតរបស់ CodeIgniter Framework ដែរយើងបានទាញយកមកហើយនឹងបានយកទៅដាក់នៅក្នុងថត C:\\wamp\\www ។\n\nខាងក្រោមនេះជាលទ្ធផលពីការដំឡើង CodeIgniter ៖\n\n![resulf-codeigniter.png](https://cdn.steemitimages.com/DQmUUECtcihVr4aCTBoncKX1DCSKcYaAi25dNRHkMWFEST2/resulf-codeigniter.png)\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/how-to-install-codeigniter/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"codeigniter\",\"framework\"],\"image\":[\"https://cdn.steemitimages.com/DQmZeK31mGjhX769TDh4ApL3KS2iAR9i16GsUJDPD6aULdZ/codiniter.jpg\",\"https://cdn.steemitimages.com/DQmUUECtcihVr4aCTBoncKX1DCSKcYaAi25dNRHkMWFEST2/resulf-codeigniter.png\"],\"links\":[\"http://www.wampserver.com/\",\"http://www.codeigniter.com/user_guide/installation/downloads.html\",\"https://www.techfree.info/2016/10/25/how-to-install-codeigniter/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "f7096f7532c1cac91b2936b12c6df27a84634c49",
  "block": 23734186,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-29T02:17:54",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "admin-site-django-framework",
      "title": "របៀបដំណើរការ Admin Site ជាមួយ Django Framework",
      "body": "![django_admin_site.png](https://cdn.steemitimages.com/DQmcbPdD3xXEsfUYQFvcBLYJQzwXoYKutiEZjBuP85EmTbn/django_admin_site.png)\n\nកន្លងមក TECHFREE បានបង្ហាញពីរបៀងដំឡើង Django Framework នឹង របៀបតភ្ជាប់ MySQL Database ជាមួយ Django Framework ហើយនៅក្នុងការតភ្ជាប់ MySQL Database នោះយើងមានតែ Table “django_migrations” ទេមិន Table user នៅឡើយ។ ដូច្នោះហើយ TECHFREE នឹង បង្ហាញពី “របៀបដំណើរការ Admin Site ជាមួយ Django Framework” ដែលទាក់ទងជាមួយការបង្កើត Table ផងដែរ។\n\nសូមវាយ command ចូលទៅកាន់ Project Folder របស់អ្នកហើយដំណើរការនូវ command `python manage.py migrate`។\n\n![run_migrate.jpg](https://cdn.steemitimages.com/DQmbc1JSf6pB9JKHD4qwZBEEb3Ms2KEMsLVyoeRcfka7GFp/run_migrate.jpg)\n\nបន្ទាប់ពីដំណើរការ command ខាងលើរួចអ្នកនឹងបាន Table ជាច្រើនដូចរូបភាពខាងក្រោម៖\n\n![run_migrate_result.jpg](https://cdn.steemitimages.com/DQmZQNSqRM496iLU67gY1k4KYQH1HPZsWYkdDLZ5jJWRi5N/run_migrate_result.jpg)\n\nបន្ទាប់មកទៀតសូមដំណើរការ command `python manage.py createsuperuser` ដើម្បីបង្កើត superuser។ ហើយអ្នកត្រូវវាយនូវ Username, Email, Password ដូចរូបភាពខាងក្រោម។\n\n![django_createsuperuser.jpg](https://cdn.steemitimages.com/DQmfYYNw2MVBJYz4NTiAqSUKASocV47R7tHTJizFDcnXvZA/django_createsuperuser.jpg)\n\nហើយចាប់ផ្តើមដំណើរការ Server `python manage.py runserver`។\n\n![run.jpg](https://cdn.steemitimages.com/DQmacauhgpHschvq4f3HtHm1rfb6Ff1rPixzzQ5QfQrNW85/run.jpg)\n\nបន្ទាប់មកអ្នកវាយ URL នៅលើ Browser `http://127.0.0.1:8000/admin`\n\n![login_from1.jpg](https://cdn.steemitimages.com/DQmY45NoCJ4Zny1ajkV87QzjGcPnBYP8cfje9v32vebaKjv/login_from1.jpg)\n\nបន្ទាប់ពីអ្នក Login ចូលរួច។\n\n![site_admin.jpg](https://cdn.steemitimages.com/DQmYdFHeYTZ6hiftZ9LdnW3QDPgqWYPN7Px3b36EE9ZQHmz/site_admin.jpg)\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/how-to-use-admin-site-with-django-framework/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"django\",\"admin\"],\"image\":[\"https://cdn.steemitimages.com/DQmcbPdD3xXEsfUYQFvcBLYJQzwXoYKutiEZjBuP85EmTbn/django_admin_site.png\",\"https://cdn.steemitimages.com/DQmbc1JSf6pB9JKHD4qwZBEEb3Ms2KEMsLVyoeRcfka7GFp/run_migrate.jpg\",\"https://cdn.steemitimages.com/DQmZQNSqRM496iLU67gY1k4KYQH1HPZsWYkdDLZ5jJWRi5N/run_migrate_result.jpg\",\"https://cdn.steemitimages.com/DQmfYYNw2MVBJYz4NTiAqSUKASocV47R7tHTJizFDcnXvZA/django_createsuperuser.jpg\",\"https://cdn.steemitimages.com/DQmacauhgpHschvq4f3HtHm1rfb6Ff1rPixzzQ5QfQrNW85/run.jpg\",\"https://cdn.steemitimages.com/DQmY45NoCJ4Zny1ajkV87QzjGcPnBYP8cfje9v32vebaKjv/login_from1.jpg\",\"https://cdn.steemitimages.com/DQmYdFHeYTZ6hiftZ9LdnW3QDPgqWYPN7Px3b36EE9ZQHmz/site_admin.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/25/how-to-use-admin-site-with-django-framework/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "d00c128dc3701509c613c80007de70ae23ac53d8",
  "block": 23712677,
  "trx_in_block": 11,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-28T08:20:21",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "load-balance-web-server",
      "title": "ស្វែងយល់ពី Load Balance Web Server",
      "body": "![loadbalance.png](https://cdn.steemitimages.com/DQmRvrKj8uhgVbhPv2dtB4f4u5UTjZqiBbr716mY7TarUBa/loadbalance.png)\n\nWeb Load balance ត្រូវបានគេប្រើប្រាស់ដើម្បីជួយសម្រួលដល់ web server ដែលទទួល Request ច្រើនក្នុងពេលតែមួយនៅលើ Server តែមួយ។ Pen ជាប្រភេទ Load Balance មួយដែលអាចធ្វើជា Load Balance ផ្សេងៗទៅលើ Service ជាច្រើនដូចជា http, smtp, ftp,mysql ជាដើម។\n\n\nខាងក្រោមនេះជាការប្រើប្រាស់ Pen ធ្វើជា Load balance សម្រាប់ Apache Server នៅលើ CentOS 6 ។\n\nនៅលើ Server អ្នកត្រូវដោនឡូតកម្មវិធី pen load balance ពីក្នុង Repository EPEL ។\n\n`yum –enablerepo=epel -y install pen`\n\nបន្ទាប់មកអ្នកអាចចូលទៅបង្កើត Configuration file `/etc/pen.conf `។\n\n![create-pen.png](https://cdn.steemitimages.com/DQmSLTZ7YnEaHni5b9JVE5SwUa7YQKqBmyHE6CC3qshooFf/create-pen.png)\n\nBack End ជា Server សម្រាប់ទទួលការងារដែល Front End រុញអោយ ។\n\nបន្ទាប់មកទៀតអ្នកត្រូវ បង្កើត Service pen មួយនៅក្នុង `/etc/rc.d/init.d/pend` និងសរសេរដូចខាងក្រោមនេះ\n\nប្រសិនបើយើងមាន Setup DNS Server ទៀតកាន់តែល្អព្រោះអាចប្រើប្រាស់ឈ្មោះ ជំនួស IP Address។\n\n![pen-service.png](https://cdn.steemitimages.com/DQmVCSbG41Yfxiv1sbxcw69ZFSKf2rSYHgyUDeK4yLD4k4v/pen-service.png)\n\n`chmod  777  /etc/rc.d/init.d/pend`\n\n`service pend restart`\n\n`chkconfig  –level 35 pend on`\n\nដូចនេះយើងអាចធ្វើតេសន៏បានដូចខាងក្រោមប្រសិនបើយើងធ្វើអោយ Web Server មិនដំណើរការមួយវានិងដើលើ Web Server មួយទៀត\n\n![close-service.png](https://cdn.steemitimages.com/DQmVquoGdDQwdXvBcuXG9kZJWT2C5st2nRHoXxq6x74pEUS/close-service.png)\n\nអ្នកមិនគួរ RUN Service http នៅលើ Server ដែលអ្នកតម្លើងកម្មវិធី Pen នោះទេព្រោះវាជាន់ port គ្នាដូចនេះវាមិនដំណើរការនោះទេ។\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/web_load_balance/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"web\",\"load\",\"balance\"],\"image\":[\"https://cdn.steemitimages.com/DQmRvrKj8uhgVbhPv2dtB4f4u5UTjZqiBbr716mY7TarUBa/loadbalance.png\",\"https://cdn.steemitimages.com/DQmSLTZ7YnEaHni5b9JVE5SwUa7YQKqBmyHE6CC3qshooFf/create-pen.png\",\"https://cdn.steemitimages.com/DQmVCSbG41Yfxiv1sbxcw69ZFSKf2rSYHgyUDeK4yLD4k4v/pen-service.png\",\"https://cdn.steemitimages.com/DQmVquoGdDQwdXvBcuXG9kZJWT2C5st2nRHoXxq6x74pEUS/close-service.png\"],\"links\":[\"https://www.techfree.info/2016/10/25/web_load_balance/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "350c45fe46f2e60e1d31bc149a44afff2241df12",
  "block": 23707410,
  "trx_in_block": 18,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-28T03:56:57",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "3itxed-logo-gimp",
      "title": "បង្កើត Logo ងាយៗជាមួយកម្មវិធី GIMP (វគ្គបញ្ចប់)",
      "body": "![gimplogo.png](https://cdn.steemitimages.com/DQmdernevnvFdrvsXYbf6xxfnMhwM3ZTUGtM3trZtBDP2yn/gimplogo.png)\n\nកាលពីអត្ថបទមុន Techfree បាននិយាយពីការ បង្កើត Logo ងាយៗជាមួយកម្មវិធី GIMP (វគ្គ ២)។ នៅក្នុងអត្ថបទនេះ យើងនឹងរៀបរាប់បញ្ចប់អំពីការបង្កើត Logo ជាមួយកម្មវិធី GIMP។\n\n\nដំបូងអ្នកត្រូវធ្វើការតំឡើងកម្មវិធី **GIMP** នៅលើកំព្យូទ័ររបស់អ្នក បន្ទាប់មកដំណើរការកម្មវិធីនេះ។ រួចចុច **File –> Create –> Logo** ហើយជ្រើសរើសម៉ូដណាមួយដែលអ្នកចង់បាន។ ខាងក្រោមនេះគឺជាឧទាហរណ៍នៃការបង្កើត Logo ទាំងនោះ៖\n\n* **Newsprint Text**\n\nសូមធ្វើការកំណត់ចំពោះអក្សរ, ហ្វុងអក្សរ….. ដូចរូបខាងក្រោម រួចចុចប៊ូតុង OK ដើម្បីបង្កើត Logo៖\n\n![gimp-3.png](https://cdn.steemitimages.com/DQmVeDD9zEW4h4tQM3Q57bC12DmM12Frt8sd8YFLb4GAvaA/gimp-3.png)\n\nនោះអ្នកនឹងទទួលបាន Logo មួយដូចខាងក្រោម៖\n\n![gimp3-1.jpg](https://cdn.steemitimages.com/DQmdmcskoq78CyGPj8sCiVFt4AhFruVfanZs6wi16Y4aChm/gimp3-1.jpg)\n\n* **Particle Trace** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-2.jpg](https://cdn.steemitimages.com/DQmQTeMFqnATU7NyfPfRmdi59QLbz7aYVN3AQYGGb1BQCqu/gimp3-2.jpg)\n\n* **SOTA Chrome** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-3.jpg](https://cdn.steemitimages.com/DQmWbPacuArA9R6HLnMAJ7QbHsxDwQTTXfngYHXVgz3fJDP/gimp3-3.jpg)\n\n* **Speed Text** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-4.jpg](https://cdn.steemitimages.com/DQmdiumRhSRjprNfxJaqTuom3rrZeVS7A9Mez1e9TrDxFoh/gimp3-4.jpg)\n\n* **Starscape** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-5.jpg](https://cdn.steemitimages.com/DQmYBSXuqwErshACWfANUt5mvG8PaMdsq3pJjnmz3aMDCkA/gimp3-5.jpg)\n\n* **Text Circle** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-6.jpg](https://cdn.steemitimages.com/DQmaE7Y78buhrHej24hFKxEw6c1pfFMAUKo3U2EHtuNSPbk/gimp3-6.jpg)\n\n* **Textured** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-7.jpg](https://cdn.steemitimages.com/DQmSJuq72UUtp4aqp1mdVrKg5opCz3J2QJYnaxLS2v8tpvX/gimp3-7.jpg)\n\n* **Web Title Header** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3-8.jpg](https://cdn.steemitimages.com/DQmWYYy4cDeaFh6SYMLk3CppGaP8FEPrRzzuH2m4bRkTYCU/gimp3-8.jpg)\n\nសូមថ្លែងអំណរគុណចំពោះអ្នកអានទាំងអស់ដែលចំណាយពេលវេលាអានអត្ថបទរបស់យើងខ្ញុំ។ យើងខ្ញុំនឹងលើកយកចំណេះដឹងផ្សេងៗទៀតដែលទាក់ទងនិង GIMP មកបង្ហាញនៅអត្ថបទក្រោយទៀត។ សូមជូនពរសំណាងល្អទាំងអស់គ្នា។\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/create-logo-with-gimp-3/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"gimp\",\"create\",\"logo\"],\"image\":[\"https://cdn.steemitimages.com/DQmdernevnvFdrvsXYbf6xxfnMhwM3ZTUGtM3trZtBDP2yn/gimplogo.png\",\"https://cdn.steemitimages.com/DQmVeDD9zEW4h4tQM3Q57bC12DmM12Frt8sd8YFLb4GAvaA/gimp-3.png\",\"https://cdn.steemitimages.com/DQmdmcskoq78CyGPj8sCiVFt4AhFruVfanZs6wi16Y4aChm/gimp3-1.jpg\",\"https://cdn.steemitimages.com/DQmQTeMFqnATU7NyfPfRmdi59QLbz7aYVN3AQYGGb1BQCqu/gimp3-2.jpg\",\"https://cdn.steemitimages.com/DQmWbPacuArA9R6HLnMAJ7QbHsxDwQTTXfngYHXVgz3fJDP/gimp3-3.jpg\",\"https://cdn.steemitimages.com/DQmdiumRhSRjprNfxJaqTuom3rrZeVS7A9Mez1e9TrDxFoh/gimp3-4.jpg\",\"https://cdn.steemitimages.com/DQmYBSXuqwErshACWfANUt5mvG8PaMdsq3pJjnmz3aMDCkA/gimp3-5.jpg\",\"https://cdn.steemitimages.com/DQmaE7Y78buhrHej24hFKxEw6c1pfFMAUKo3U2EHtuNSPbk/gimp3-6.jpg\",\"https://cdn.steemitimages.com/DQmSJuq72UUtp4aqp1mdVrKg5opCz3J2QJYnaxLS2v8tpvX/gimp3-7.jpg\",\"https://cdn.steemitimages.com/DQmWYYy4cDeaFh6SYMLk3CppGaP8FEPrRzzuH2m4bRkTYCU/gimp3-8.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/25/create-logo-with-gimp-3/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "c79af2f691d695e07624fb41f1b58c770bcdf5f1",
  "block": 23647474,
  "trx_in_block": 58,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-26T02:00:03",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "browser-electron",
      "title": "របៀបបង្កើតកម្មវិធីមើលវេបសាយ Browser ជាមួយ Electron",
      "body": "![browserwindow.jpg](https://cdn.steemitimages.com/DQmSAgf3NdLi1tvvYH5BtaMyNB8UNaL8EtzjUWBpviJ5r8k/browserwindow.jpg)\n\nនៅក្នុង Electron គេអាចប្រើ BrowserWindow ដើម្បីបង្កើតកម្មវិធីមើលវេបសាយ Browser ។ អត្ថបទនេះនឹងបង្ហាញពីវិធីប្រើប្រាស់ BrowserWindow ។\n\nនៅក្នុង package.js សូមកំណត់ដូចខាងក្រោម៖\n\npackage.js\n\n![menu6.png](https://cdn.steemitimages.com/DQmXiDTQESSuXaKEhdBA8jLwF99K6VDsde5CyvTC5mbQWpy/menu6.png)\n\nmain.js\n\n![browserwindow.png](https://cdn.steemitimages.com/DQmXMYGA43chwvLQP12seWob2x4Wnb5msjsmvpraMgQDL8B/browserwindow.png)\n\nបន្ទាត់ទី6: គឺជាការកំណត់ឲ្យកម្មវិធីបង្ហាញគេទំព័រ techfree.info ។ អ្នកក៏អាចបង្ហាញ Webpage នៅក្នុង Folder បានផងដែរ ដោយជំនួសកូដខាងក្រោមនៅត្រង់បន្ទាត់ទី6 នេះ។\n\n```win.loadURL(`file://${__dirname}/index.html`)```\n\nindex.html (ករណីការបង្ហាញ Webpage ជាលក្ខណៈ Local)\n\n![browserwindow3.png](https://cdn.steemitimages.com/DQmY8zUyE5yo4JzD7cZ5AwMSZkGoNwoBDcXTfM7UfGk2UWy/browserwindow3.png)\n\n**លទ្ធផល**៖\n**ករណីបង្ហាញ index.html**\n\n![browserwindow4.png](https://cdn.steemitimages.com/DQmeKgMT6d5EtxAkgiGx9qrdCcVJKtJEjLbLTqLeFGB9mKu/browserwindow4.png)\n\n**ករណីបង្ហាញ techfree.info**\n\n![Screenshot-40.png](https://cdn.steemitimages.com/DQmf1W38sYUXHAnNMJQNAmCmPMkv6oVCEnK5Hskrzam3aPM/Screenshot-40.png)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/electron-browserwindow/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"browser\",\"electron\"],\"image\":[\"https://cdn.steemitimages.com/DQmSAgf3NdLi1tvvYH5BtaMyNB8UNaL8EtzjUWBpviJ5r8k/browserwindow.jpg\",\"https://cdn.steemitimages.com/DQmXiDTQESSuXaKEhdBA8jLwF99K6VDsde5CyvTC5mbQWpy/menu6.png\",\"https://cdn.steemitimages.com/DQmXMYGA43chwvLQP12seWob2x4Wnb5msjsmvpraMgQDL8B/browserwindow.png\",\"https://cdn.steemitimages.com/DQmY8zUyE5yo4JzD7cZ5AwMSZkGoNwoBDcXTfM7UfGk2UWy/browserwindow3.png\",\"https://cdn.steemitimages.com/DQmeKgMT6d5EtxAkgiGx9qrdCcVJKtJEjLbLTqLeFGB9mKu/browserwindow4.png\",\"https://cdn.steemitimages.com/DQmf1W38sYUXHAnNMJQNAmCmPMkv6oVCEnK5Hskrzam3aPM/Screenshot-40.png\"],\"links\":[\"https://www.techfree.info/2016/10/25/electron-browserwindow/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "04460d3973fbbf5c931844fdbf1fd674f1964786",
  "block": 23626617,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-25T08:36:33",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "vue-js-javscript-framework",
      "author": "a-a-a",
      "permlink": "re-techfree-vue-js-javscript-framework-20180625t083628293z",
      "title": "",
      "body": "# Upvote this: https://steemit.com/free/@bible.com/4qcr2i",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"links\":[\"https://steemit.com/free/@bible.com/4qcr2i\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "5c6b0e1f97c1bca01c71597fb08904b9e368ddaa",
  "block": 23626602,
  "trx_in_block": 13,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-25T08:35:48",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "vue-js-javscript-framework",
      "title": "របៀបប្រើប្រាស់ Vue.js Javscript Framework",
      "body": "![feature_iamge_vue-js.jpg](https://cdn.steemitimages.com/DQmXLUhb9TeTt1iDWBSgDXvW3mqQmhkPNHQLX2UwaSZpdUg/feature_iamge_vue-js.jpg)\n\nអត្ថបទនេះនិយាយអំពីការប្រើប្រាស់ Vue.js គឺជាប្រភេទ Javascript framework ដែលមានការរីកជាចំរើនទៅលើផ្នែក    (user Interface)។ Vue ត្រូវបានគេបង្កើតឡើងដើម្បីជាការអនុម័តបន្ថែម ហើយ Lirbray គឺផ្តោតទៅលើ ការបង្ហាញ Layer ហើយ វាមានភាពងាយស្រូលក្នុងការយកមករូមបញ្ចូលជាមួយគម្រោងផ្សេងទៀតឬ Libray ដែលមានស្រាប់។\n\nនៅក្នុងអត្ថ បទនេះគឺជាអត្ថបទទី២ បន្ទាប់ពីអត្ថមុន លក្ខណៈពិសេសរបស់ Vue.js ធៀបទៅនឹង React និង Angular 2 ដែលបានណែនាំ អំពី Vue.js  នេះ។ នៅក្នុងអត្ថបទនេះផងដែរ Techfree ធ្វើការបង្រៀនលោកអ្នកអំពីការប្រើ ប្រាស់ Vue.js ជាមួយឩទាហរណ៏ មួយចំនួនដូចខាងក្រោម៖\n\n* **របៀបតំឡើង Vue.js**\n\nនៅចំនុចនេះ Techfree បង្រៀនអ្នកទាំងអស់គ្នាអំពីរបៀបដំឡើង Vue.js ហើយការតំឡើងវាមិនមានអ្វីស្មុស្មាញប៉ុន្មានទេ ដោយគ្រាន់តែលោកអ្នកចូលទៅកាន់គេហទំព័ររបស់ Vue.js ហើយធ្វើការទាញយក Libray នឹងធ្វើការអនុវត្តន៍ ដូចទៅនឹង  Techfree ផ្តល់អោយដូចខាងក្រោម៖\n\n![download-vue-js.jpg](https://cdn.steemitimages.com/DQmergK753PuYvwtWtxWZiVwjSng4JWgQqfkrtbMUX9Vrbg/download-vue-js.jpg)\n\nបន្ទាប់ពីលោកអ្នកធ្វើការទាញយកមករួចរាល់ហើយសូមធ្វើការហៅ Class Libray យកមកប្រើ `<script src=”js/vue.js” charset=”utf-8″></script>` វាដូចទៅនឹងការហៅ Class Library  ដែរ។\n\n* **របៀបបង្ហាញ ទិន្នន័យ**\n\nឩទាហរណ៍៖ លោកអ្នកធ្វើការបង្កើតmain.js រួចធ្វើបញ្ចូលកូដដូចខាងក្រោម។\n\n![vue-show-meassage.jpg](https://cdn.steemitimages.com/DQmdta3ng5jonceKAVNFPDdDiCA3WnXADh9dEc57voRNKW9/vue-show-meassage.jpg)\n\nនៅលើបន្ទាត់ទី២ គឺជា ហៅ Element ID ពី Template\nបន្ទាប់មកធ្វើការបង្កើតindex.html រួចធ្វើបញ្ចូលកូដដូចខាងក្រោម។\n\n![vue-show-meassage2.jpg](https://cdn.steemitimages.com/DQmcFe3gjbKEDCXYoXn6v9bpMPqdf2nSdmjw8wm3ZVDtrY5/vue-show-meassage2.jpg)\n\nនៅលើបន្ទាត់ទី 10 មានន័យថាធ្វើការហៅ Data ក្នុង main.js មកបង្ហាញ\n\nនៅលើ បន្ទាត់ទី 11 v-model =”message” ជា property របស់ vau.js មានន័យថាលោកធ្វើការកែនឹងលុបទៅលើ message បាន។\n\nបន្ទាប់ពីលោកអ្នកធ្វើការបញ្ចាប់ការសរសេរកូដខាងលើ លទ្ធផលដូចខាងក្រោម៖\n\n![resutl_message.jpg](https://cdn.steemitimages.com/DQmdRZZR2KotKqRnm3GuoU8aaqJLazbiED7YzVCaSdA1mhA/resutl_message.jpg)\n\n* **របៀបបង្កើត Link**\nការបង្កើត link នៅលើ vue.js  កូដខាងក្រោមនឹងធ្វើការបង្រៀនលោកអ្នកអំពី Link នេះ។\n\n១) link ដោយប្រើ v-bind:href=””  ជាមួយ URL property\n\nឩទាហរណ៍: កូដលើ index.html\n\n![link2.jpg](https://cdn.steemitimages.com/DQmXW1PL6mwPMs7TV6VtKUWpVTz9RhrkAfU7DaVMzdpZmat/link2.jpg)\n\nកូដនៅលើ main.js\n\n![code_link_on_vue.jpg](https://cdn.steemitimages.com/DQmecDH5KW1CD9TcBUrrp5NxsjCXDbudo3sNGrV7xaoqP4w/code_link_on_vue.jpg)\n\nបន្ទាប់ពីលោអ្នកធ្វើការ refresh page នឹងឃើញ Link To Techfree។\n\n* **របៀបប្រើ Loop  and if**\nលោកអ្នកធ្វើការបង្កើត main.js រួចធ្វើការសរសេកូដដូចខាងក្រោម៖\n\n![loop_vue-js.jpg](https://cdn.steemitimages.com/DQmTLbEKF4fR8P6aCrWJ8PR1b41JzV1Aj86xsq4k9sw2sDV/loop_vue-js.jpg)\n\nលោកអ្នកធ្វើការបង្កើត Array person ដែលមាន ៤ ធាតុ បន្ទាប់បង្កើត index.html រួចធ្វើការសសេរកូដដូចខាងក្រោម៖\n\n![loop_vue-2.jpg](https://cdn.steemitimages.com/DQmT4kkqn2kpM38V2W8RCbxP2LQAfDf8rHpuFT7JbaFV9oX/loop_vue-2.jpg)\n![loop_vue3.jpg](https://cdn.steemitimages.com/DQmZ2LnA2zbfmjnhusnZobAiv9aCaVdjD2czqfQQ9tnrvSa/loop_vue3.jpg)\n\nនៅលើបន្ទាត់ទី 17  មាន property  v-for គឺសំរាប់សំរាប់ Loop Person យកមកបង្ហាញ។\n\nនៅលើបន្ទាត់ទី v-if គឺជាលក្ខខណ្ឌ if សំរាប់សិក្សានៅពេលលោកអ្នកធ្វើការ Check ហើយ Uncheckនៅលើ Checkbox។\n\nនៅលើបន្ទាត់ទី26  v-model សំរាប់ធ្វើការហៅ person ដែលលោកអ្នកធ្វើការផ្តល់តំលៃអោយស្មើ True នៅក្នុង main.js នោះ\n\n* **របៀបប្រើប្រាស់ event នឹង Methods**\n\nនៅក្នុងចំនុចនេះ Techfree នឹង លើកយកឩទាហរណ៍ ដែលពាក់ពន្ធ័ទៅនឹង ការបញ្ចូលទិន្ន័យ ជាមួយ event Methods ដូចខាងក្រោម៖\n\nលោកអ្នកធ្វើការបង្កើត File ថ្មីមួយ event.html រួចធ្វើការសរសេរកូដដូចខាងក្រោម\n\n![event-vue-1.jpg](https://cdn.steemitimages.com/DQmdqKb3HMoKoG4RooP9JbHgDTaRNxg8aFPTZ6GVkzsLAcp/event-vue-1.jpg)\n![event-vue-2.jpg](https://cdn.steemitimages.com/DQmQ7HTbTcVWxQh8uddffPH5eTuYQLuoW34MnPaEdVxe8i2/event-vue-2.jpg)\n\nនៅលើបន្ទាត់ទី 25:  v-on:keyup.esc=”clearPerson” មានន័យថាលោកអ្នកធ្វើការលុបអក្សរចេញពី input ដោយប្រើ Key ESC ហើយ  v-on:keyup.enter វិញមានន័យថាលោកអ្នកធ្វើការបញ្ចូនទិន្នន័យដោយប្រើ Key Enter\n\nបន្ទាប់មកលោកអ្នកធ្វើការសរសេរ File មួយទៀត event.js រួចសរសេរកូដដូចខាងក្រោម៖\n\n![event-vue-1.jpg](https://cdn.steemitimages.com/DQmdqKb3HMoKoG4RooP9JbHgDTaRNxg8aFPTZ6GVkzsLAcp/event-vue-1.jpg)\n![event-vue-2.jpg](https://cdn.steemitimages.com/DQmQ7HTbTcVWxQh8uddffPH5eTuYQLuoW34MnPaEdVxe8i2/event-vue-2.jpg)\n\nនៅក្នុងMethods មាន Function ចំនួន ២ ហើយ Function : createNewperson គឺសំរាប់ បន្ថែមឈ្មោះថ្មីទៅលើ Persons\n\nចំនែក function function : clearPerson សំរាប់ធ្វើការលុបអក្សរពេលដែលលោកអ្នកធ្វើការ ចុច ESC។\n\nលទ្ធផលនឹងបង្ហាញដូចខាងក្រោម៖\n\n![Result_even_method-vue-js.jpg](https://cdn.steemitimages.com/DQmetDgQT4rKPCyLwZqsDh233bc8ok9da1dgt4qpCe7kuCK/Result_even_method-vue-js.jpg)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/how-to-use-vue-js-framework/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"vue\",\"js\",\"javascript\"],\"image\":[\"https://cdn.steemitimages.com/DQmXLUhb9TeTt1iDWBSgDXvW3mqQmhkPNHQLX2UwaSZpdUg/feature_iamge_vue-js.jpg\",\"https://cdn.steemitimages.com/DQmergK753PuYvwtWtxWZiVwjSng4JWgQqfkrtbMUX9Vrbg/download-vue-js.jpg\",\"https://cdn.steemitimages.com/DQmdta3ng5jonceKAVNFPDdDiCA3WnXADh9dEc57voRNKW9/vue-show-meassage.jpg\",\"https://cdn.steemitimages.com/DQmcFe3gjbKEDCXYoXn6v9bpMPqdf2nSdmjw8wm3ZVDtrY5/vue-show-meassage2.jpg\",\"https://cdn.steemitimages.com/DQmdRZZR2KotKqRnm3GuoU8aaqJLazbiED7YzVCaSdA1mhA/resutl_message.jpg\",\"https://cdn.steemitimages.com/DQmXW1PL6mwPMs7TV6VtKUWpVTz9RhrkAfU7DaVMzdpZmat/link2.jpg\",\"https://cdn.steemitimages.com/DQmecDH5KW1CD9TcBUrrp5NxsjCXDbudo3sNGrV7xaoqP4w/code_link_on_vue.jpg\",\"https://cdn.steemitimages.com/DQmTLbEKF4fR8P6aCrWJ8PR1b41JzV1Aj86xsq4k9sw2sDV/loop_vue-js.jpg\",\"https://cdn.steemitimages.com/DQmT4kkqn2kpM38V2W8RCbxP2LQAfDf8rHpuFT7JbaFV9oX/loop_vue-2.jpg\",\"https://cdn.steemitimages.com/DQmZ2LnA2zbfmjnhusnZobAiv9aCaVdjD2czqfQQ9tnrvSa/loop_vue3.jpg\",\"https://cdn.steemitimages.com/DQmdqKb3HMoKoG4RooP9JbHgDTaRNxg8aFPTZ6GVkzsLAcp/event-vue-1.jpg\",\"https://cdn.steemitimages.com/DQmQ7HTbTcVWxQh8uddffPH5eTuYQLuoW34MnPaEdVxe8i2/event-vue-2.jpg\",\"https://cdn.steemitimages.com/DQmetDgQT4rKPCyLwZqsDh233bc8ok9da1dgt4qpCe7kuCK/Result_even_method-vue-js.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/25/how-to-use-vue-js-framework/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "3a03b50609e3ccd7ac8e7359e2147e26e8bb4870",
  "block": 23483049,
  "trx_in_block": 12,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-20T08:56:39",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "mysql-database-django-framework",
      "author": "bible.com",
      "permlink": "re-techfree-mysql-database-django-framework-20180620t085638906z",
      "title": "",
      "body": "Get a free Bible for your phone, tablet, and computer. [bible.com](http://bible.com)",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"links\":[\"http://bible.com\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "e6fdf24303049604a9c24a46f23793a3f43619a5",
  "block": 23483044,
  "trx_in_block": 0,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-20T08:56:24",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "mysql-database-django-framework",
      "title": "របៀបតភ្ជាប់ MySQL Database ជាមួយ Django Framework",
      "body": "![django_mysql.png](https://cdn.steemitimages.com/DQmUrCwiVoUWRh3bav4YcXnxYu1GitENVgxoXmJ2w4w8xh8/django_mysql.png)\n\nកាលពីអត្ថបទមុនយើងបានដឹងមកហើយ [Django គឺជាអ្វី](https://www.techfree.info/2016/10/21/django-framework/)? ហើយក៏ដឹងពីរបៀបបង្កើត Project ថ្មីផងដែល។ នៅពេលដែលយើងបង្កើត Project ថ្មីមួយជាមួយ Django នោះគឺវាបានបង្កើត MySQLite Database ដោយស្វ័យប្រវត្តិ។ ដូច្នោះហើយអត្ថបទនេះ នឹងបង្ហាញអ្នកអំពី របៀបតភ្ជាប់ MySQL Database វិញម្តង។\n\n\nមុននឹងចាប់ផ្តើមធ្វើការតភ្ជាប់ MySQL Database យើងត្រូវ៖\n\n* ដំឡើងនូវ “pymysql” សូមដំណើរការ command “pip install pymysql”\n* ដំឡើងនូវ “mysqlclient” សូម [ទាញយក/Download](https://pypi.python.org/pypi/mysqlclient)\n\nឧទាហរណ៍៖ ការដំឡើងនូវ “pymysql”\n\n![install_pymysql.jpg](https://cdn.steemitimages.com/DQmXspUPmZgKD7RWsrGXNM72xBJv9kTN7bzq4MTdWbbBpJC/install_pymysql.jpg)\n\nនៅពេលដែលអ្នកដំណើរការ command ខាងលើចប់ សូមដំណើរការ command “import pymysql” ប្រសិនបើអត់មានបញ្ហាអ្វីនោះ pymysql ដណើរការហើយ។\n\n![run_pymysql.jpg](https://cdn.steemitimages.com/DQmXd5nGhqoJXc8iTSydohuQVnYABGdbCoMCBwrgPkJAwGx/run_pymysql.jpg)\n\nឧទាហរណ៍៖ ការដំឡើងនូវ “mysqlclient”\n\nពេលដែលអ្នក ទាញយកមកហើយសូមដំណើរការ command ចូលទៅកាន់ Folder ដែលអ្នករក្សាទុក្ខ File “mysqlclient” នោះរួចវាយនូវ command “pip install name file mysqlclient“។ សូមមើលរូបភាពខាងក្រោម៖\n\n![install_mysqlclient.jpg](https://cdn.steemitimages.com/DQmbmZfc4iYugk3raaLQ558JLUZQYeScBbNZSZsdvaNxegz/install_mysqlclient.jpg)\n\nបន្ទាប់មកអ្នកត្រូវបង្កើត Database ថ្មីមួយ៖\n\n![db_blank.jpg](https://cdn.steemitimages.com/DQmTjwhM9kKr3TTh1vsgcvAVGtxonfZeFrSR8X2i2VFsRQB/db_blank.jpg)\n\n![change_host_db.jpg](https://cdn.steemitimages.com/DQmYznxWbaActGUE8VDVq7P3RYEvDEC8miD9HgLkQ7pai1e/change_host_db.jpg)\n\nសូមបើកកូដរបស់អ្នកបន្ទាប់មកធ្វើការកែរប្រែនៅ File “settings.py” ដែលអ្នកបានឃើញកូដខាងលើនេះ។ នៅបន្ទាត់ 78, 79 ដែល TECHFREE បានបិតមិនអោយដំណើរការនោះ គឺជាកូដដែលតភ្ជាប់ជាមួយ MySQLite Database។ ដូច្នោះអ្នកត្រូវសរសេរកូដដើម្បីតភ្ជាប់ ជាមួយ MySQL database ដូចខាងលើនេះ។\n\nសូមវាយ command ដើម្បីដំណើការ Server “python manage.py runserver”\n\n![django_work-1.jpg](https://cdn.steemitimages.com/DQmQGJVmekL6AYeRe7d4AxfkSSrPpZFZQ8QAqf2qY7rvzyQ/django_work-1.jpg)\n\nបន្ទាប់ពីអ្នកបានដំណើរការ Server រួចយើងនឹងបាន Table មួយឈ្មោះ “django_migrations”។\n\n![mysql_table.jpg](https://cdn.steemitimages.com/DQmd1KuTaTzsY6k9X1JC5W7iTr3wKxYfEdAQYCfsF3npxEf/mysql_table.jpg)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/25/mysql-database-django-framework/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"django\",\"mysql\",\"database\"],\"image\":[\"https://cdn.steemitimages.com/DQmUrCwiVoUWRh3bav4YcXnxYu1GitENVgxoXmJ2w4w8xh8/django_mysql.png\",\"https://cdn.steemitimages.com/DQmXspUPmZgKD7RWsrGXNM72xBJv9kTN7bzq4MTdWbbBpJC/install_pymysql.jpg\",\"https://cdn.steemitimages.com/DQmXd5nGhqoJXc8iTSydohuQVnYABGdbCoMCBwrgPkJAwGx/run_pymysql.jpg\",\"https://cdn.steemitimages.com/DQmbmZfc4iYugk3raaLQ558JLUZQYeScBbNZSZsdvaNxegz/install_mysqlclient.jpg\",\"https://cdn.steemitimages.com/DQmTjwhM9kKr3TTh1vsgcvAVGtxonfZeFrSR8X2i2VFsRQB/db_blank.jpg\",\"https://cdn.steemitimages.com/DQmYznxWbaActGUE8VDVq7P3RYEvDEC8miD9HgLkQ7pai1e/change_host_db.jpg\",\"https://cdn.steemitimages.com/DQmQGJVmekL6AYeRe7d4AxfkSSrPpZFZQ8QAqf2qY7rvzyQ/django_work-1.jpg\",\"https://cdn.steemitimages.com/DQmd1KuTaTzsY6k9X1JC5W7iTr3wKxYfEdAQYCfsF3npxEf/mysql_table.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/21/django-framework/\",\"https://pypi.python.org/pypi/mysqlclient\",\"https://www.techfree.info/2016/10/25/mysql-database-django-framework/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "4a81c76c4f5cad2394fb59318d0318fc7b3194f3",
  "block": 23340285,
  "trx_in_block": 5,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-15T09:56:09",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "string-ruby",
      "title": "ស្វែងយល់ពី String នៅក្នុងភាសា Ruby",
      "body": "![ruby-string.jpg](https://cdn.steemitimages.com/DQmVXizpoceeJoGaMR8KK1hRGLhjD94bfdCCHJbQozSjSXt/ruby-string.jpg)\n\nRuby ដំណើរការជាមួយ strings ដូចទិន្នន័យជាលេខដែរ។ ខ្សែអក្សរ (string) អាចប្រើជាមួយ double-quoted  ( “… “) ឬ single-quoted ( ‘… ‘) ។\n\nDouble-quoted  ( “… “) ឬ single-quoted ( ‘… ‘) មានផលប៉ះពាល់ផ្សេងគ្នានៅក្នុងករណីមួយចំនួន។ ខ្សែអក្សរ (string) double-quoted អនុញ្ញាតឱ្យតួអក្សរគេចផុតពីសញ្ញាទ្រេតឆ្វេង (backslash) ឈានមុខគេនិងការវាយតម្លៃនៃកន្សោមដែលបានប្រើសញ្ញា # {} ។ ខ្សែអក្សរ (string) single-quoted មិនធ្វើការបកប្រែទេ អ្វីដែលអ្នកឃើញគឺជាអ្វីដែលអ្នកទទួលបាន។\n\n១) អាចប្រើ double-quoted  ( “… “) ឬ single-quoted ( ‘… ‘) ប៉ុន្តែ ( ‘… ‘) គឺមានប្រសិទ្ធភាពជាង\n```\nputs \"Hello World\"\n\nputs 'Hello World'\n```\n\nលទ្ធផល៖\n```\nHello World\n\nHello World\n```\n\n\n២) ភ្ជាប់អក្សរ (string) បន្តគ្នា\n\n`puts 'I like' + ' Ruby'`\n\nលទ្ធផល៖\n\n`I like Ruby`\n\n\n៣) វិធីប្រើ ' នៅក្នុងstring\n\n`puts 'It\\'s my Ruby'`\n\nលទ្ធផល៖\n\n`It's my Ruby`\n\n៤) ភ្ជាប់អក្សរ (string) បីដង\n\n`puts 'Hello' * 3`\n\nលទ្ធផល៖\n\n`HelloHelloHello`\n\n៥) កំណត់អថេរ\n```\nPI = 3.1416\nputs PI\n```\n\nលទ្ធផល៖\n\n`3.1416`\n\nឧទាហរណ៍ខាងក្រោមគឺយើងប្រើការភ្ជាប់អក្សរ (string) ដើម្បីទៅជាពាក្យ៖\n\n![ruby-string1.png](https://cdn.steemitimages.com/DQmfVnhnGHkMCdf1p5FL37zuAgxMpNsdbepAQp7nt29T5Xp/ruby-string1.png)\n\nយើងបានលទ្ធផលដូចខាងក្រោម៖\n\n![ruby-string.png](https://cdn.steemitimages.com/DQmdVGaXLbHZ6RNX4C3tSzMRFNWXN5qjbm1F3TigHeiijwi/ruby-string.png)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/string-with-ruby/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"ruby\",\"string\"],\"image\":[\"https://cdn.steemitimages.com/DQmVXizpoceeJoGaMR8KK1hRGLhjD94bfdCCHJbQozSjSXt/ruby-string.jpg\",\"https://cdn.steemitimages.com/DQmfVnhnGHkMCdf1p5FL37zuAgxMpNsdbepAQp7nt29T5Xp/ruby-string1.png\",\"https://cdn.steemitimages.com/DQmdVGaXLbHZ6RNX4C3tSzMRFNWXN5qjbm1F3TigHeiijwi/ruby-string.png\"],\"links\":[\"https://www.techfree.info/2016/10/24/string-with-ruby/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "f5b216b3ce318b2beb700d05d25338d008c14427",
  "block": 23282066,
  "trx_in_block": 25,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-13T09:24:33",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "modal-bootstrap",
      "title": "របៀបប្រើប្រាស់ Modal ក្នុង Bootstrap",
      "body": "![modal_edit23-1.png](https://cdn.steemitimages.com/DQmNtMMEnv1w6Fmu9Sx2k4d8GQJv7qruSHn4UMUAaLaPYuP/modal_edit23-1.png)\n\nBootstrap គឺជាសំនុំឯកសារដែលបានផ្តល់អោយមានភាពងាយស្រួលក្នុងការបង្កើត និង រចនាគេហទំព័របានលឿន។វារួមមាន HTML, CSS ហើយមានសមាសភាពមួយចំនួនដូចជា Forms, Buttons, Tables, Navigations, Dropdowns, Alerts, Modals, Tabs, Accordion, Carousel … និង JavaScript ដែលធ្វើអោយគេហទំព័ររបស់យើងកាន់តែមានភាពទាក់ទាញ។ អត្ថបទនេះ Techfree នឹងលើកយកមកបង្ហាញនូវរបៀបប្រើប្រាស់ Modal ក្នុង Bootstrap៖\n\n\n១) ជាដំបូងអ្នកត្រូវយល់ដឹងពីរបៀបប្រើប្រាស់ Bootstrap\n\nឧទាហរណ៍:អត្ថបទមានស្រាប់\n\n២) របៀបប្រើប្រាស់ Modal ក្នុង Bootstrap\n\n–  Modal Static គឺពេលដែលបើកគេហទំព័រវានឹងធ្វើការ\n\nឧទាហរណ៍:\n\n![1_x_modal.png](https://cdn.steemitimages.com/DQmVF8vb2XY4wkM9pieTunwA95mxAGUVzhhQg5nmhT9zHQi/1_x_modal.png)\n\n![2_2_x_modal.png](https://cdn.steemitimages.com/DQmNSXiUn3Scnd3T6kfzm1zHC7saWTAcubuYdBnLwE4dBZv/2_2_x_modal.png)\n\n* បន្ទាត់ទី 15 ដល់ 19 ជា Javascript សំរាប់អោយ Modal ដំណើរការ\n\nលទ្ធផល\n\n![r_staticModal.png](https://cdn.steemitimages.com/DQmagbyE9vP4PxmvZZnezQZRpf8xqRPVcSg7X5qU5NvVRux/r_staticModal.png)\n\n– របៀបប្រើប្រាស់អោយ Modal ដំណើរការដោយចុចលើ Button ណាមួយ\n\nឧទាហរណ៍:\n\n![1_modal_click.png](https://cdn.steemitimages.com/DQmV6zasHpcevPj1cAnBEzBboa67rubEbekYQ8EbwKskYBk/1_modal_click.png)\n\n![click_Modal.png](https://cdn.steemitimages.com/DQmbbM7EfVTeNNHuv7deCdV8XHNQi71nXsaxnwroKUUavQw/click_Modal.png)\n\nលទ្ធផល\n\n![r_Modal_click.png](https://cdn.steemitimages.com/DQmWhm9AmQG8c1TWPiBJ77UfUXd1HjtszXDJKs2v2GvgQtn/r_Modal_click.png)\n\n– របៀបប្រើប្រាស់ Methods Modal(options)\n\n* backdrop: ‘static’ គឺប្រើសំរាប់អោយ Modal នៅជាប់គេហទំព័រ លុះត្រាតែចុចលើ Button  ណាមួយដែលមានសិទ្ធិអាចបិទ Modal បាន\n\nឧទាហរណ៍:\n\n![1_option.png](https://cdn.steemitimages.com/DQmWv9No4qPmkN5vaGPjyBGohrFotkAxJe9eBGVtP4fWApd/1_option.png)\n\n![2_option.png](https://cdn.steemitimages.com/DQmaoDR2pxUXr7JDsGhkPbBS719mS7QxepBZM9C23NVgWFk/2_option.png)\n\n![3_option.png](https://cdn.steemitimages.com/DQmeDQ9xFRU1eLoyd85bJBc5mJtbZyu4qsdWjtvBJ9F9b7g/3_option.png)\n\nលទ្ធផល\n\n![r_option.png](https://cdn.steemitimages.com/DQmZAVcJiwjLKsd8CrTVxkM48QPgkm3VZEoBnHQzvRK6W6H/r_option.png)\n\n* keyboard: false គឺសំរាប់បិទសិទ្ធិ keyboard មិនអោយដំណើរការជាមួយ Modal\n\nឧទាហរណ៍:\n\n![1_kb-1.png](https://cdn.steemitimages.com/DQmdAiokewktesLaZqniC6dudH9x2tsBU1Nwpp1cdTeURfZ/1_kb-1.png)\n\n![2_kb.png](https://cdn.steemitimages.com/DQmVhUXPHeQJAb5KbdxfyuF5SjWPfxaBdi3RmWGDZS6e7j7/2_kb.png)\n\n![3_kb.png](https://cdn.steemitimages.com/DQmNMxxYfGTd2NWd6HrDDVU8o1Wf5MKdXK7NnyRwY3RWDgX/3_kb.png)\n\nលទ្ធផល\n\n![r_kb.png](https://cdn.steemitimages.com/DQmZWSsdjkyo9VZk5F4S21ZaLMzj3dZDazQsfifo5wwMCYR/r_kb.png)\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/how-to-use-modal-in-bootstrap/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"modal\",\"bootstrap\"],\"image\":[\"https://cdn.steemitimages.com/DQmNtMMEnv1w6Fmu9Sx2k4d8GQJv7qruSHn4UMUAaLaPYuP/modal_edit23-1.png\",\"https://cdn.steemitimages.com/DQmVF8vb2XY4wkM9pieTunwA95mxAGUVzhhQg5nmhT9zHQi/1_x_modal.png\",\"https://cdn.steemitimages.com/DQmNSXiUn3Scnd3T6kfzm1zHC7saWTAcubuYdBnLwE4dBZv/2_2_x_modal.png\",\"https://cdn.steemitimages.com/DQmagbyE9vP4PxmvZZnezQZRpf8xqRPVcSg7X5qU5NvVRux/r_staticModal.png\",\"https://cdn.steemitimages.com/DQmV6zasHpcevPj1cAnBEzBboa67rubEbekYQ8EbwKskYBk/1_modal_click.png\",\"https://cdn.steemitimages.com/DQmbbM7EfVTeNNHuv7deCdV8XHNQi71nXsaxnwroKUUavQw/click_Modal.png\",\"https://cdn.steemitimages.com/DQmWhm9AmQG8c1TWPiBJ77UfUXd1HjtszXDJKs2v2GvgQtn/r_Modal_click.png\",\"https://cdn.steemitimages.com/DQmWv9No4qPmkN5vaGPjyBGohrFotkAxJe9eBGVtP4fWApd/1_option.png\",\"https://cdn.steemitimages.com/DQmaoDR2pxUXr7JDsGhkPbBS719mS7QxepBZM9C23NVgWFk/2_option.png\",\"https://cdn.steemitimages.com/DQmeDQ9xFRU1eLoyd85bJBc5mJtbZyu4qsdWjtvBJ9F9b7g/3_option.png\",\"https://cdn.steemitimages.com/DQmZAVcJiwjLKsd8CrTVxkM48QPgkm3VZEoBnHQzvRK6W6H/r_option.png\",\"https://cdn.steemitimages.com/DQmdAiokewktesLaZqniC6dudH9x2tsBU1Nwpp1cdTeURfZ/1_kb-1.png\",\"https://cdn.steemitimages.com/DQmVhUXPHeQJAb5KbdxfyuF5SjWPfxaBdi3RmWGDZS6e7j7/2_kb.png\",\"https://cdn.steemitimages.com/DQmNMxxYfGTd2NWd6HrDDVU8o1Wf5MKdXK7NnyRwY3RWDgX/3_kb.png\",\"https://cdn.steemitimages.com/DQmZWSsdjkyo9VZk5F4S21ZaLMzj3dZDazQsfifo5wwMCYR/r_kb.png\"],\"links\":[\"https://www.techfree.info/2016/10/24/how-to-use-modal-in-bootstrap/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "2aafd73625a2b8ae62f45aa3cc58d1fd874353be",
  "block": 23249757,
  "trx_in_block": 21,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-12T06:28:51",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "autocomplete-jquery-ui",
      "title": "របៀបបង្កើត Autocomplete ជាមួយ JQuery UI",
      "body": "![auto.jpg](https://cdn.steemitimages.com/DQmaNXjdnh8cEfJ7LBNSbrGfsAYMpbpDTYvMR5ZirMPS5QQ/auto.jpg)\n\nនៅក្នុងគេហទំព័រមួយគឺត្រូវតែមានប្រអប់ស្វែងរកដើម្បីងាយស្រួលដោយមិនចាំបាច់ចំនាយពេលវេលា ក្នុងការស្វែងរកអ្វីមួួយ ។ យើងខ្ញុំសូមបង្ហាញអំពី Autocomplete ដែលវាគឺជាចំនេះដឹងមួយដែរដែលគេប្រើវាសំរាប់ ស្វែងរកពាក្យដែលស្រដៀង រឺក៍ពាក្យដែលផ្ដើមដោយអក្សរដែលយើងបញ្ចូលនៅក្នុងប្រអប់ស្វែងរក (Search Box) នោះវានឹងលេចឡើងនូវពាក្យដែលផ្ដើមជាមួយនឹងអក្សរដែល យើងបានបញ្ចូលនោះភ្លាមៗ។\n\nថ្ងៃនេះ TechFree សូមបង្ហាញអំពីរបៀបបង្កើតនិងប្រើប្រាស់ Autocompleteនេះ ដោយការប្រើប្រាស់នូវភាសាកុំព្យូទ័រមួយគឺ JQuery ដែលជាបណ្ដុំនៃកូដរបស់ Javascript ។\n\n១) ការទាញយក\n\nមុននឹងធ្វើការសរសេរកូដ យើងត្រូវទាញយកបណ្ណាល័យ រឺបណ្ដុំនៃកូដមកប្រើប្រាស់ជាមុនសិន។ សូមចូលទៅកាន់ https://www.jqueryui.com/autocomplete រួចហើយសូមធ្វើការទាញយកវា ។សូមមើលរូបខាងក្រោម ៖\n\n![auto1.png](https://cdn.steemitimages.com/DQmQJQcAJa9yW3zkjjiJz1qBkJyUkPvgyrC1SMoch7Cbd27/auto1.png)\n\nបន្ទាប់មកទៀត\n\n![auto2.png](https://cdn.steemitimages.com/DQmXH1yVJJ4QKonNcgtQP1H7rrHxCmJShm5ztoHLheJmeVF/auto2.png)\n\n២) ការសរសេរកូដ\n\nក្រោយពីទាញយករួចយករាល់ហើយ យើងត្រូវធ្វើការហៅវាយកមកប្រើនៅក្នុងកូដដែលត្រូវប្រើ ។\n\nសូមមើលរូបខាងក្រោម ៖\n\n* បន្ទាត់ទី៨ គឺយើងហៅកូដរចនារបស់ jquery-ui យកមកប្រើប្រាស់\n* បន្ទាត់ទី៩ គឺ យើងហៅបណ្ដុំកូដនៃ Javascript របស់ bootstrap\n* បន្ទាត់ទី១០ គឺ យើងហៅបណ្ដុំកូដនៃ Javascript របស់ google\n* បន្ទាត់ទី១១គឺ យើងហៅបណ្ដុំកូដនៃ Javascript របស់ jquery-ui\n\n![auto3.png](https://cdn.steemitimages.com/DQmPugDnzN3GsDCB3SWEcjWGpV2ZLD5cwNwB1j3qoM8BWKG/auto3.png)\n\nកូដដែលត្រូវដំនើរការ ៖\n\n![auto4.png](https://cdn.steemitimages.com/DQmQ6gdcdGqiwanJ6ofr98NN9ebS3uugFWoGbSnkF8H7gDy/auto4.png)\n\n៣) លទ្ធផលនៃកូដ\n\nក្រោយពីបញ្ចប់ការសរសេរកូដខាងលើរួចមកយើងនឹងបានលទ្ធផលដូចខាងក្រោម ៖\n\n![auto5.png](https://cdn.steemitimages.com/DQmPkj5KrdJFY7vkmhc7V7c3onxYZeKB58W1DXvxDWB7okE/auto5.png)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/how-to-create-autocomplete-with-jquery-ui/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"autocomplete\",\"jquery\",\"ui\"],\"image\":[\"https://cdn.steemitimages.com/DQmaNXjdnh8cEfJ7LBNSbrGfsAYMpbpDTYvMR5ZirMPS5QQ/auto.jpg\",\"https://cdn.steemitimages.com/DQmQJQcAJa9yW3zkjjiJz1qBkJyUkPvgyrC1SMoch7Cbd27/auto1.png\",\"https://cdn.steemitimages.com/DQmXH1yVJJ4QKonNcgtQP1H7rrHxCmJShm5ztoHLheJmeVF/auto2.png\",\"https://cdn.steemitimages.com/DQmPugDnzN3GsDCB3SWEcjWGpV2ZLD5cwNwB1j3qoM8BWKG/auto3.png\",\"https://cdn.steemitimages.com/DQmQ6gdcdGqiwanJ6ofr98NN9ebS3uugFWoGbSnkF8H7gDy/auto4.png\",\"https://cdn.steemitimages.com/DQmPkj5KrdJFY7vkmhc7V7c3onxYZeKB58W1DXvxDWB7okE/auto5.png\"],\"links\":[\"https://www.jqueryui.com/autocomplete\",\"https://www.techfree.info/2016/10/24/how-to-create-autocomplete-with-jquery-ui/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "7a5e66ac0efc27c141920b94b7ecedd67100c298",
  "block": 23249578,
  "trx_in_block": 42,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-12T06:19:54",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "dependency-manager-ios",
      "author": "cheetah",
      "permlink": "cheetah-re-techfreedependency-manager-ios",
      "title": "",
      "body": "Hi! I am a robot. I just upvoted you! I found similar content that readers might be interested in:\nhttps://www.techfree.info/2016/10/24/dependency-manager/",
      "json_metadata": ""
    }
  ]
}

{
  "trx_id": "28efe9632136af717be906a4c9acfcb1612a112d",
  "block": 23249577,
  "trx_in_block": 4,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-12T06:19:51",
  "op": [
    "vote",
    {
      "voter": "cheetah",
      "author": "techfree",
      "permlink": "dependency-manager-ios",
      "weight": 8
    }
  ]
}

{
  "trx_id": "105632e77af825e17049efd09b065ce32e9be5ae",
  "block": 23249568,
  "trx_in_block": 46,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-12T06:19:24",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "dependency-manager-ios",
      "title": "របៀបប្រើប្រាស់ Dependency Manager សម្រាប់ការអភិវឌ្ឍកម្មវិធី iOS",
      "body": "![ios-Development.png](https://cdn.steemitimages.com/DQmYZQHosrkdRajA126gVR6T1QKkGqkfgiiaiibPAL94Mk3/ios-Development.png)\n\nលោកអ្នកប្រាកដជាបានស្គាល់រួចមកហើយនូវ Dependency Manager មួយចំនួនដូចជា NPM សម្រាប់ Node.JS និង composer សម្រាប់ PHP ជាដើម។ ថ្ងៃនេះ ខ្ញុំសូមណែនាំលោកអ្នកឲ្យស្គាល់នូវ Dependency Manager ថ្មីមួយ ដែលអ្នកអភិវឌ្ឍកម្មវិធី iOS តែងតែប្រើ គឺ CocoaPods។\n\n**របៀបតម្លើង CocoaPods**\n\nបើក Terminal រួច វាយ command: `sudo gem install cocoapods` រួចហើយវាយបញ្ចូលពាក្យសម្ងាត់កុំព្យូទ័ររបស់អ្នក\n\n![Screen-Shot-2016-10-24-at-10.58.46-AM.png](https://cdn.steemitimages.com/DQmXXoeZVfhSh2TEcrubozzsfLr33FxfbNoR4CQPuNDC9Tq/Screen-Shot-2016-10-24-at-10.58.46-AM.png)\n\nរបៀបប្រើប្រាស់ CocoaPods នៅក្នង Xcode Project\n\n* ជាដំបូង ចូលទៅកាន់ Xcode ដើម្បីបង្កើត project ទទេរមួយ ដោយដាក់ឈ្មោះ ដែលខ្លួនអ្នកពេញចិត្ត \nឧទាហរណ៏៖ How To Use CocoaPods រួចហើយ បិទ project ដែលអ្នកទើបតែបានបង្កើត\n* បើក Terminal រួចចូលទៅកាន់ទីតាំង project របស់អ្នក ដោយវាយ command: `cd path/to/your-project-directory`\n* វាយ command: `pod init` ដើម្បីបង្កើត Podfile ជាមួយនឹង Default Configuration រួចជាស្រេច\n* បើក Podfile ដែលយើងទើបតែបានបង្កើតដោយប្រើប្រាស់ command nano, vim ឬ text editor ផ្សេងៗ\n* បញ្ចូល dependencies ដែលយើងចង់បាននៅត្រង់ចន្លោះ target និង end ដោយវាយពាក្យ pod yourDependencyName, option រួចរក្សាទុក\n\n![Screen-Shot-2016-10-24-at-11.12.34-AM.png](https://cdn.steemitimages.com/DQmZw9vafGfmK3Vrh73BKERAkUSX1WA17xXciPFiqsKS8LC/Screen-Shot-2016-10-24-at-11.12.34-AM.png)\n\n![Screen-Shot-2016-10-24-at-12.27.21-PM.png](https://cdn.steemitimages.com/DQmQnNshJjpFbTy7vc1kk8DnUntAWFC2KZ2QjPjLKXLt9wH/Screen-Shot-2016-10-24-at-12.27.21-PM.png)\n\n\n* បន្ទាប់មក វាយ command: `pod install` ដើម្បីតម្លើង dependencies ដែលអ្នកបានកំណត់\n\n![Screen-Shot-2016-10-24-at-12.32.26-PM.png](https://cdn.steemitimages.com/DQmaUQb6XHg5XpafYGjK1NA4KZ3A3uQtR7LjzgFMYvemPVi/Screen-Shot-2016-10-24-at-12.32.26-PM.png)\n\n* បន្ទាប់ពីតម្លើង dependencies រួចរាល់ហើយ អ្នកត្រូវបើក Project របស់អ្នក ដោយរើសយក Xcode workspace (.xcworkspace) ជំនួសឲ្យ Xcode project (.xcproject)\n* ឥឡូវនេះអ្នកអាចហៅ dependency ដែលអ្នកចង់ប្រើប្រាស់ដោយគ្រាន់តែវាយ import yourDependency សម្រាប់ភាសា Swift នៅក្នុង class ដែលអ្នកចង់ប្រើ\n\n![Screen-Shot-2016-10-24-at-12.41.25-PM.png](https://cdn.steemitimages.com/DQmSRMMapmgJtUCYxN5vGMqziabwigcqd6jQVw4oAfYjwnv/Screen-Shot-2016-10-24-at-12.41.25-PM.png)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/dependency-manager/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"cocoapods\",\"dependency\"],\"image\":[\"https://cdn.steemitimages.com/DQmYZQHosrkdRajA126gVR6T1QKkGqkfgiiaiibPAL94Mk3/ios-Development.png\",\"https://cdn.steemitimages.com/DQmXXoeZVfhSh2TEcrubozzsfLr33FxfbNoR4CQPuNDC9Tq/Screen-Shot-2016-10-24-at-10.58.46-AM.png\",\"https://cdn.steemitimages.com/DQmZw9vafGfmK3Vrh73BKERAkUSX1WA17xXciPFiqsKS8LC/Screen-Shot-2016-10-24-at-11.12.34-AM.png\",\"https://cdn.steemitimages.com/DQmQnNshJjpFbTy7vc1kk8DnUntAWFC2KZ2QjPjLKXLt9wH/Screen-Shot-2016-10-24-at-12.27.21-PM.png\",\"https://cdn.steemitimages.com/DQmaUQb6XHg5XpafYGjK1NA4KZ3A3uQtR7LjzgFMYvemPVi/Screen-Shot-2016-10-24-at-12.32.26-PM.png\",\"https://cdn.steemitimages.com/DQmSRMMapmgJtUCYxN5vGMqziabwigcqd6jQVw4oAfYjwnv/Screen-Shot-2016-10-24-at-12.41.25-PM.png\"],\"links\":[\"https://www.techfree.info/2016/10/24/dependency-manager/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "45b0d36fd247376381da46016a486fa64ed0f042",
  "block": 23216397,
  "trx_in_block": 38,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-11T02:25:15",
  "op": [
    "custom_json",
    {
      "required_auths": [],
      "required_posting_auths": [
        "techfree"
      ],
      "id": "follow",
      "json": "[\"follow\",{\"follower\":\"techfree\",\"following\":\"ustd\",\"what\":[\"blog\"]}]"
    }
  ]
}

{
  "trx_id": "2a8698c94a3ff4d2a8d98422bd8e8136646143c6",
  "block": 23216377,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-11T02:24:12",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "menu-electron",
      "author": "allnatural",
      "permlink": "re-techfree-menu-electron-20180611t022413109z",
      "title": "",
      "body": "Go here https://steemit.com/@a-a-a to get your post resteemed to over 72,000 followers.",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"links\":[\"https://steemit.com/@a-a-a\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "fb87ba8feda3da0cea0923d483b8920e9c4e980c",
  "block": 23216371,
  "trx_in_block": 30,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-11T02:23:51",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "menu-electron",
      "title": "បង្កើត Menu ថ្មីដោយខ្លួនឯងនៅក្នុង Electron",
      "body": "![menuelectron.jpg](https://cdn.steemitimages.com/DQmSrxe9bpnKu9LJ3A9ycUk1EyxkSnXQyNzK1Eik471LxBH/menuelectron.jpg)\n\nMenu គឺជាកន្លែងដែលអ្នកប្រើប្រាស់កម្មវិធីមួយអាចស្វែងរកជម្រើស និងមុខងារណាមួយដែលគេចង់ប្រើ។ វាក៏ជាចំណុចមួយដែលបង្ហាញពីលក្ខណៈខុសគ្នារវាងកម្មវិធី Web និងកម្មវិធី Desktop។ Electron បានផ្តល់ជម្រើសដល់សម្បូរបែបដល់អ្នកអភិវឌ្ឍក្នុងការបង្កើត Menu ថ្មីស្រឡាងជាមួយមុខងារថ្មី ឬហៅមុខងារដែលមានស្រាប់យកមកប្រើតែម្តង។\n\nអត្ថបទនេះនឹងបង្ហាញពីការបង្កើត Menu សម្រាប់កម្មវិធី Desktop មួយដែលបង្កើតឡើងនៅក្នុង Electron។\n\n**index.html**\n\n![menu1.png](https://cdn.steemitimages.com/DQmZeejWu4gEhTvbNBR5FunGvABzxRRitCAKZuk3XAyf1h7/menu1.png)\n\n**main.js**\n\n![menu2.png](https://cdn.steemitimages.com/DQmZB5pTCzgbx94VeTZHPEPcAJaZBGCCJymVqDdXxr6LHnh/menu2.png)\n\n![menu3.png](https://cdn.steemitimages.com/DQmd2vBtQLiBw9GbJv2T2aHS15ceyRepYDXRpnJX1CVL3T4/menu3.png)\n\n![menu4.png](https://cdn.steemitimages.com/DQmd2dA73bqCtS19S36ZNuRaJ3oZjefT6YbEsotp6cptCWx/menu4.png)\n\n* accelerator: អ្នកអាចកំណត់ផ្លូវកាត់ (shortcuts) នៅត្រង់កន្លែងនេះ។\n* role: អ្នកអាចជម្រើសរើសមុខងារមួយដែលមានស្រាប់(ដូចជា undo, redo, close, minimize, copy, paste…) សម្រាប់ Sub Menu ដែលអ្នកចង់បង្កើត។\n* បន្ទាត់ទី49-51: គឺជាការបង្កើតមុខងារថ្មីសម្រាប់ Sub Menu មួយ ដោយមិនជ្រើសរើសមុខងារដែលមានស្រាប់ដូចខាងលើ។\n\n**style.css**\n\n![menu5.png](https://cdn.steemitimages.com/DQmQSgh6QEZoj47tXsCfQ78UaaLpJ4cPknBsccbTXRNPp3X/menu5.png)\n\n**package.json**\n\n![menu6.png](https://cdn.steemitimages.com/DQmXiDTQESSuXaKEhdBA8jLwF99K6VDsde5CyvTC5mbQWpy/menu6.png)\n\n**លទ្ធផល**៖\n\n![menu7.jpg](https://cdn.steemitimages.com/DQmToAniKrFnaLqMtCHBQWWJWaupFEXuaveFH9beMgNKjC6/menu7.jpg)\n\n\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/electron-menu/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"menu\",\"electron\"],\"image\":[\"https://cdn.steemitimages.com/DQmSrxe9bpnKu9LJ3A9ycUk1EyxkSnXQyNzK1Eik471LxBH/menuelectron.jpg\",\"https://cdn.steemitimages.com/DQmZeejWu4gEhTvbNBR5FunGvABzxRRitCAKZuk3XAyf1h7/menu1.png\",\"https://cdn.steemitimages.com/DQmZB5pTCzgbx94VeTZHPEPcAJaZBGCCJymVqDdXxr6LHnh/menu2.png\",\"https://cdn.steemitimages.com/DQmd2vBtQLiBw9GbJv2T2aHS15ceyRepYDXRpnJX1CVL3T4/menu3.png\",\"https://cdn.steemitimages.com/DQmd2dA73bqCtS19S36ZNuRaJ3oZjefT6YbEsotp6cptCWx/menu4.png\",\"https://cdn.steemitimages.com/DQmQSgh6QEZoj47tXsCfQ78UaaLpJ4cPknBsccbTXRNPp3X/menu5.png\",\"https://cdn.steemitimages.com/DQmXiDTQESSuXaKEhdBA8jLwF99K6VDsde5CyvTC5mbQWpy/menu6.png\",\"https://cdn.steemitimages.com/DQmToAniKrFnaLqMtCHBQWWJWaupFEXuaveFH9beMgNKjC6/menu7.jpg\"],\"links\":[\"https://www.techfree.info/2016/10/24/electron-menu/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "99c849629a9a8469947e449efefdc45bbae77b59",
  "block": 23136213,
  "trx_in_block": 17,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T07:22:06",
  "op": [
    "vote",
    {
      "voter": "ustd",
      "author": "techfree",
      "permlink": "3pebyj-logo-gimp",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "4da06a79e342094c1f07f3a44c5e5f1011c53e50",
  "block": 23136211,
  "trx_in_block": 43,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T07:22:00",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "3pebyj-logo-gimp",
      "author": "ustd",
      "permlink": "re-3pebyj-logo-gimp-20180608t072116",
      "title": "",
      "body": "Hi, Passing by and Upvoted you :) ! \n : \n      “I am not the potter, not the potter's wheel, but the potter's clay; is not the value of the shape attained as dependent upon the intrinsic worth of the clay as upon the wheel and the Master's skill?”  ====>    Stephen King\n",
      "json_metadata": ""
    }
  ]
}

{
  "trx_id": "3a131d4c84e9c01c60fd63f5566611c951a7452d",
  "block": 23135910,
  "trx_in_block": 3,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T07:06:57",
  "op": [
    "transfer",
    {
      "from": "resteemyou",
      "to": "techfree",
      "amount": "0.001 SBD",
      "memo": "Hi! I re-blog posts to 5800+ followers for only 0.05 SBD/Steem & I don't leave comments. Thanx ♥"
    }
  ]
}

{
  "trx_id": "99f8e7d351a2463c28c3a6896fa33b3534b10e45",
  "block": 23135889,
  "trx_in_block": 83,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T07:05:54",
  "op": [
    "comment",
    {
      "parent_author": "techfree",
      "parent_permlink": "3pebyj-logo-gimp",
      "author": "a-0-1",
      "permlink": "re-techfree-3pebyj-logo-gimp-20180608t070556832z",
      "title": "",
      "body": "Go here https://steemit.com/@a-a-a to get your post resteemed to over 72,000 followers.",
      "json_metadata": "{\"tags\":[\"cambodia\"],\"links\":[\"https://steemit.com/@a-a-a\"],\"app\":\"steemit/0.1\"}"
    }
  ]
}

{
  "trx_id": "c96308077c3e869c6b7261f3a48b12b795438a85",
  "block": 23135877,
  "trx_in_block": 71,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T07:05:18",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "3pebyj-logo-gimp",
      "title": "បង្កើត Logo ងាយៗជាមួយកម្មវិធី GIMP (វគ្គ ២)",
      "body": "![gimplogo.png](https://cdn.steemitimages.com/DQmdernevnvFdrvsXYbf6xxfnMhwM3ZTUGtM3trZtBDP2yn/gimplogo.png)\n\nកាលពីអត្ថបទមុន Techfree បាននិយាយពីការ បង្កើត Logo ងាយៗជាមួយកម្មវិធី GIMP (វគ្គ ១)។ នៅក្នុងអត្ថបទនេះយើងនឹងបន្តទៅវគ្គ ២ នៃការបង្កើត Logo ជាមួយកម្មវិធី GIMP។\n\nដំបូងអ្នកត្រូវធ្វើការតំឡើងកម្មវិធី GIMP នៅលើកំព្យូទ័ររបស់អ្នក បន្ទាប់មកដំណើរការកម្មវិធីនេះ។ រួចចុច File –> Create –> Logo ហើយជ្រើសរើសម៉ូដណាមួយដែលអ្នកចង់បាន។ ខាងក្រោមនេះគឺជាឧទាហរណ៍នៃការបង្កើត Logo ទាំងនោះ៖\n\n* **Chrome**\n\nសូមធ្វើការកំណត់ចំពោះអក្សរ, ហ្វុងអក្សរ….. ដូចរូបខាងក្រោម រួចចុចប៊ូតុង OK ដើម្បីបង្កើត Logo\n\n![gimp-1.png](https://cdn.steemitimages.com/DQmWPdEnFevdNuf84rNQX7zGTRNi55RRdrLKbkBbophCaGv/gimp-1.png)\n\nនោះអ្នកនឹងទទួលបាន Logo មួយដូចខាងក្រោម៖\n\n![gimp.jpg](https://cdn.steemitimages.com/DQmYweSRVF2gokyo6GSBtTsa82k3LYVQBcU9raqEnN3mSB2/gimp.jpg)\n\n* **Comic Book** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp1.jpg](https://cdn.steemitimages.com/DQmcb4r6tZW58SnxbdZoS5ha8CH4n2wztX9hwcBNfos4CtP/gimp1.jpg)\n\n* **Cool Metal** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp2.jpeg](https://cdn.steemitimages.com/DQmUtU6v5e5YVkgEmUfRj5WAS1igVD74RwYSrTYuowh4ER9/gimp2.jpeg)\n\n* **Crystal** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp3.jpeg](https://cdn.steemitimages.com/DQmbJBL76CkxTYL2XLXGiD3EcoUeFzxZoHTBBXWoqs8QhXF/gimp3.jpeg)\n\n* **Frosty** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp4.jpeg](https://cdn.steemitimages.com/DQmUdLJeMG3i3eyzGe3QLVkEABY6j4NHvSN1okv21dL9ffN/gimp4.jpeg)\n\n* **Glossy** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp5.jpeg](https://cdn.steemitimages.com/DQmSbqD1fRjFBuFm3jU71snrP9rJS8fkU6e9Dim7kGaRCvs/gimp5.jpeg)\n\n* **Glowing Hot** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp6.jpeg](https://cdn.steemitimages.com/DQmQje5xfda1d1acSurxkaXdQhTspCbfu9uQwbxCkfF1ahp/gimp6.jpeg)\n\n* **Gradient Bevel** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp7.jpeg](https://cdn.steemitimages.com/DQmaZmgFkzE8YDaJNA7oBcmfh7Dim26fc11H36PtZVCoARh/gimp7.jpeg)\n\n* **Imigre-26** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp8.jpeg](https://cdn.steemitimages.com/DQmRDCSJqWUkdpEu7p7LoC63LCvyhtReiUjSb2DkmLM31fi/gimp8.jpeg)\n\n* **Neon** (ធ្វើការកំណត់ដូចខាងលើ)\n\n![gimp9.jpeg](https://cdn.steemitimages.com/DQmRBfwoPaXRDB1DUyu99aNKPrcnV3zE2tNWFDdWLkBLsrf/gimp9.jpeg)\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/24/create-logo-with-gimp-2/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"logo\",\"gimp\"],\"image\":[\"https://cdn.steemitimages.com/DQmdernevnvFdrvsXYbf6xxfnMhwM3ZTUGtM3trZtBDP2yn/gimplogo.png\",\"https://cdn.steemitimages.com/DQmWPdEnFevdNuf84rNQX7zGTRNi55RRdrLKbkBbophCaGv/gimp-1.png\",\"https://cdn.steemitimages.com/DQmYweSRVF2gokyo6GSBtTsa82k3LYVQBcU9raqEnN3mSB2/gimp.jpg\",\"https://cdn.steemitimages.com/DQmcb4r6tZW58SnxbdZoS5ha8CH4n2wztX9hwcBNfos4CtP/gimp1.jpg\",\"https://cdn.steemitimages.com/DQmUtU6v5e5YVkgEmUfRj5WAS1igVD74RwYSrTYuowh4ER9/gimp2.jpeg\",\"https://cdn.steemitimages.com/DQmbJBL76CkxTYL2XLXGiD3EcoUeFzxZoHTBBXWoqs8QhXF/gimp3.jpeg\",\"https://cdn.steemitimages.com/DQmUdLJeMG3i3eyzGe3QLVkEABY6j4NHvSN1okv21dL9ffN/gimp4.jpeg\",\"https://cdn.steemitimages.com/DQmSbqD1fRjFBuFm3jU71snrP9rJS8fkU6e9Dim7kGaRCvs/gimp5.jpeg\",\"https://cdn.steemitimages.com/DQmQje5xfda1d1acSurxkaXdQhTspCbfu9uQwbxCkfF1ahp/gimp6.jpeg\",\"https://cdn.steemitimages.com/DQmaZmgFkzE8YDaJNA7oBcmfh7Dim26fc11H36PtZVCoARh/gimp7.jpeg\",\"https://cdn.steemitimages.com/DQmRDCSJqWUkdpEu7p7LoC63LCvyhtReiUjSb2DkmLM31fi/gimp8.jpeg\",\"https://cdn.steemitimages.com/DQmRBfwoPaXRDB1DUyu99aNKPrcnV3zE2tNWFDdWLkBLsrf/gimp9.jpeg\"],\"links\":[\"https://www.techfree.info/2016/10/24/create-logo-with-gimp-2/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "8c232a93ce0906a1dff901f57bdf7742f32dae51",
  "block": 23131966,
  "trx_in_block": 36,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-08T03:49:45",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "port-scan-nmap",
      "title": "ស្វែងយល់ពី port Scan ដោយប្រើប្រាស់​ nmap",
      "body": "![scan-filter.png](https://cdn.steemitimages.com/DQmNbWkk8bdSoYks8VqanEWJNSKQeCVX29sp3fWcHuvHtWs/scan-filter.png)\n\nnmap ជាប្រភេទ Open Source Tool ដែលត្រូវបានពេញនិយមប្រើប្រាស់សម្រាប់ត្រួតពិនិត្យមើលថាតើមាន port ណាខ្លះបើកឬបិទ តើប្រភេទ Server អ្វី? ប្រើប្រាស់ OS ប្រភេទអ្វី និងអាចមើលពី Service ផ្សេងៗបានទៀតផង។\n\nNMAP ជា Tool មួយត្រូវបានគេប្រើប្រាស់នៅក្នុង  Penetrate Testing ផងដែរដើម្បីអោយដឹងថាតើមាន Port ណាដែលបើកខ្លះនិងបិទ និងប្រាកដថា Port ទាំងនោះមានសុវត្ថិភាពដែរឬទេ?\n\nចំនុចសំខាន់ដែលអ្នកត្រូវដឹងពីស្ថានភាពរបស់ Portមានដូចខាងក្រោមនេះ \n\n**open**: Application កំពុងដំណើរការលើ  port នោះ\n\n**close**: Application មិនដំណើរការនៅលើ port នោះទេ ឬ Service Application stop\n\n**filtered**: nmap ចាប់ស្ថានភាពមិនបានដោយ Firewall បិទ\n\nunfiltered: មានន័យថា nmap ចាប់ស្ថានភាព port បាន ដែល port នោះអាចប្រើប្រាស់បានតែ nmap មិនដឹងថាport នោះបើកឬបិទនោះទេ។\n\n**open/filtered**: port អាចត្រូវបានគេ filter តែ nmap ចាប់ស្ថានភាពមិនបាន។\n\n**close/filtered**: nmap អត់ដឹងថា port បិទឬ ត្រូវបានគេ Filter ទេ\n\nnmap អាចដោនឡូតយកមកប្រើប្រាស់បាននៅក្នុង លីនុច ដោយប្រើប្រាស់ command\n\n`yum   -y install nmap`\n\nបន្ទាប់មកអ្នកនិងអាចប្រើប្រាស់ Command បានដូចខាងក្រោមនេះ\n\n![googleport.png](https://cdn.steemitimages.com/DQmcQJWzzz68d97AZyPfpeVxjKotND6ziTk8FLcbBWeArxV/googleport.png)\n\nnmap   -sV  domainname/ip អាច Scan ដឹងពីពត៏មានផ្សេងៗនិងលំអិតដូចជាឈ្មោះ Service ជាដើម\n\n![scanport.png](https://cdn.steemitimages.com/DQmYsx1sFiAop2wcVGJDfyFuMCHP84xtWb8kYVrh7g6XRK1/scanport.png)\n\nnmap  -p 1-50000 domainname/IP សម្រាប់ Scan port នៅចន្លោះ១ដល់៥០០០០\n\n![portscan-range.png](https://cdn.steemitimages.com/DQmctfCvXQWBxLLxirkU4Y514uRf7v7dV1m9sw6hPornCE7/portscan-range.png)\n\nSystem Administrator មួយចំនួនគេអាចបិទ ICMP Protocol មិនអោយ Ping ជាដើម តែ Nmap អាច Scan បាន ដោយប្រើប្រាស់ Command\n\n![tracetimeotut.png](https://cdn.steemitimages.com/DQmWZBADbTSpn4zdtErTtffvVUaYK5dNBUKxnvED1GM2xtH/tracetimeotut.png)\n\nnmap  -sP  domainname/IP\n\n![scan-filter (1).png](https://cdn.steemitimages.com/DQmfLvx8ZW9q1xUPhHN8WC6kqxmHiLcgtpnVvr14psWueaf/scan-filter%20(1).png)\n\nនៅពេលដែលយើងមិនប្រើប្រាស់ ធម្មតា វាបង្ហាញថា Filter មានន័យថាគេបិទមិនអោយ Scan ដូចនេះយើង Tracert ទៅក៏វាឆ្លើយថា time out ជាដើម ទាល់តែ Tracert ទៅផុតបានវាស្គាល់វិញ។បញ្ហានេះយើងអាចប្រើប្រាស់ -sP ដើម្បី Scan ទើបអាចដឹងថាតើ IP នោះដំណើរការឬអត់។\n\nប្រសិនបើអ្នកចង់ Scan port នៅចន្លោះណាមួយនៅលើ IP ណាមួយដែលគេបិទមិនអោយ Scanអ្នកអាចប្រើប្រាស់ Command ដូចខាងក្រោមដើម្បីបង្ខំអោយ nmap scan តែយឺតបន្តិច។\n\n![portrange-filter.png](https://cdn.steemitimages.com/DQmZC6cqP4PL7xQDwU8z9b9789FvPSQ8xL8rWXcJbtJu2PV/portrange-filter.png)\n\nប្រសិនបើអ្នកចង់ដឹងពីព័ត៌មានរបស់ Operating System អាចប្រើប្រាស់ដូច Command ខាងក្រោមនេះ\n\n![scanOS.png](https://cdn.steemitimages.com/DQmStQbZLsc5uejp3RerAvmdtacCKe2pUW2LMBRffZKb7jo/scanOS.png)\n\nប្រសិនបើ Port គេ Filter យើងអាច Scan ដោយអោយវាបង្ហាញ reason ហេតុផលថាហេតុអ្វីបាន Scan មិនឃើញដោយប្រើប្រាស់ Command ដូចខាងក្រោម\n\n![scan-facebook.png](https://cdn.steemitimages.com/DQmdyJAJjYr2CtzR61XqxRtZHGMrVYwKPPmcB2ofajEJwoz/scan-facebook.png)\n\nScan UDP Protocol អ្នកអាចប្រើប្រាស់ Command ដូចខាងក្រោម\n\n![scan-udp.png](https://cdn.steemitimages.com/DQmYb7vstUj3bksd8oyWMuY3pB6GhEUxsTzou2W3rtXDFqD/scan-udp.png)\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/23/nmap/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"portscan\",\"nmap\"],\"image\":[\"https://cdn.steemitimages.com/DQmNbWkk8bdSoYks8VqanEWJNSKQeCVX29sp3fWcHuvHtWs/scan-filter.png\",\"https://cdn.steemitimages.com/DQmcQJWzzz68d97AZyPfpeVxjKotND6ziTk8FLcbBWeArxV/googleport.png\",\"https://cdn.steemitimages.com/DQmYsx1sFiAop2wcVGJDfyFuMCHP84xtWb8kYVrh7g6XRK1/scanport.png\",\"https://cdn.steemitimages.com/DQmctfCvXQWBxLLxirkU4Y514uRf7v7dV1m9sw6hPornCE7/portscan-range.png\",\"https://cdn.steemitimages.com/DQmWZBADbTSpn4zdtErTtffvVUaYK5dNBUKxnvED1GM2xtH/tracetimeotut.png\",\"https://cdn.steemitimages.com/DQmfLvx8ZW9q1xUPhHN8WC6kqxmHiLcgtpnVvr14psWueaf/scan-filter%20(1).png\",\"https://cdn.steemitimages.com/DQmZC6cqP4PL7xQDwU8z9b9789FvPSQ8xL8rWXcJbtJu2PV/portrange-filter.png\",\"https://cdn.steemitimages.com/DQmStQbZLsc5uejp3RerAvmdtacCKe2pUW2LMBRffZKb7jo/scanOS.png\",\"https://cdn.steemitimages.com/DQmdyJAJjYr2CtzR61XqxRtZHGMrVYwKPPmcB2ofajEJwoz/scan-facebook.png\",\"https://cdn.steemitimages.com/DQmYb7vstUj3bksd8oyWMuY3pB6GhEUxsTzou2W3rtXDFqD/scan-udp.png\"],\"links\":[\"https://www.techfree.info/2016/10/23/nmap/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "dc4ed751a4ad8f79994f3f736987627b16ffddec",
  "block": 23109720,
  "trx_in_block": 25,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-07T09:16:33",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "6zurgn-mail-server",
      "title": "របៀបតម្លើង Mail Server ប្រើប្រាស់ដោយខ្លួនឯង",
      "body": "![login-from-webmail.png](https://cdn.steemitimages.com/DQmc6DAPkwjrSsWUtkSRpn1pvUcBzMMtQJRQYgH54PTY8ar/login-from-webmail.png)\n\nEmail ត្រូវបានប្រើប្រាស់រាល់ថ្ងៃ និងមាន Domain ផ្សេងៗដូចជា [email protected] ជាដើម។ username ជាឈ្មោះអ្នកប្រើប្រាស់ @comanyname ជា Domain name ឬ អាចថាជាឈ្មោះក្រុមហ៊ុនជាដើម ដើម្បីអោយដឹងថាតើបុគ្គលឈ្មោះនោះប្រើប្រាស់ Email ចេញពីក្រុមហ៊ុនណាងាយស្រួលរក។\n\nការប្រើប្រាស់ Email មិនមានបញ្ហាពិបាកនោះទេ ប្រសិនបើតម្លើង Mail Server មួយដើម្បីអាចប្រើប្រាស់បានវាមានការពិបាកបន្តិចដែរ ដោយអ្នកត្រូវគិតទៅដល់ផ្នែកសុវត្ថិភាព និង ដឹងពីរបៀប Mail Server ធ្វើការងារ។\n\nខាងក្រោមនេះជាការបង្កើត Mail Server មួយប្រើប្រាស់សម្រាប់ក្រុមហ៊ុនមួយខ្លីៗ ងាយយល់ នៅលើ  CentOS 7\n\nដំបូងត្រូវតម្លើង Postfix និង Dovecot ជាមុន\n\n`yum  -y install dovecot  postfix`\n\nបន្ទាប់មក Restart Service\n\n`chkconfig –level 35 postfix on`\n\n`chkconfig  –level 35 dovecot on`\n\n`service postfix restart`\n\n`service dovecot restart`\n\nបន្ទាប់មកទៀតចូលទៅកែ ឈ្មោះ Server របស់អ្នក នៅក្នុុង /etc/hosts ដោយបន្ថែមដូចខាងក្រោមនេះ\n\n188.166.179.246 server.brembrey.com  brembrey.com  mail.brembrey.com  smtp.brembrey.com\n\nតែត្រូវប្រាកដថាបានបង្កើត mx record នៅក្នុង godady ដែល point ទៅកាន់ IP 188.166.179.246\n\nនិងប្រាកដថា ឈ្មោះ server ទាំងអស់ខាងលើនេះមាននៅក្នុង godaddy DNS Record ផងដែរ។\n\nបន្ទាប់មកទៀតអ្នកអាច ចូលទៅកែ /etc/postfix/main.cf\n\n`hostname = server.brembrey.com`\n\n`domainname=brembrey.com`\n\n`myorigin = $mydomain`\n\nនិងបន្ថែមមួយចំនួនដូចខាងក្រោមដូចដែលជាការបន្ថែម SSL សម្រាប់ SMTP Server\n\n`smtpd_use_tls = yes`\n`smtpd_tls_cert_file = /etc/letsencrypt/live/brembrey.com/cert.pem`\n`smtpd_tls_key_file = /etc/letsencrypt/live/brembrey.com/privkey.pem`\n`smtpd_tls_session_cache_database = btree:/etc/postfix/smtpd_scache`\n\nបន្ទាប់មកទៀតត្រូវចូលទៅកែ File /etc/postfix/master.cf\n\n![postfix-master.png](https://cdn.steemitimages.com/DQmaj5LQL8EE4grZmxTPfTbvNWH2wyiHUiqiaSnUBMZeck9/postfix-master.png)\n\nបន្ទាប់មកអ្នកអាចចូលទៅកែ File មួយចំនួនរបស់ Dovecot ម្តង\n\n`vi /etc/dovecot/conf.d/10-master.conf`\n\n![master.png](https://cdn.steemitimages.com/DQmPqP793CACtijXrU3E9jgqZagybeCTEZ7C3U4zBaJoZJ5/master.png)\n\n![master-auth.png](https://cdn.steemitimages.com/DQmUWWeeA3emsXRPc5uyPS6avkv34vvyncZmHBVP8HgivgR/master-auth.png)\n\nvi /etc/dovecot/conf.d/10-auth.conf\n\nauth_mechanisms = plain login\n\nបន្ទាប់មកកែ File /etc/dovecot/conf.d/10-mail.conf\n\n`mail_location = maildir:~/Maildir`\n\nបន្ទាប់មកកែ file /etc/dovecot/conf.d/10-ssl.conf\n\n![sslmail.png](https://cdn.steemitimages.com/DQmRUzCBL86DmdWE4Wf1CHSwYCPkzGxYJPQVcZfzrgbfACe/sslmail.png)\n\nចុងក្រោយអ្នកអាច Restart Service postfix និង dovecot បានហើយប្រសិនបើធ្វើត្រូវនោះអាចប្រើប្រាស់បានហើយ\n\n![testing-email.png](https://cdn.steemitimages.com/DQmabrQAykUGoyWW4AdeCxrsrUSesR1w96cv1LvjqA5rjxH/testing-email.png)\n\nGmail អាច Block Email អ្នកប្រសិនបើអ្នកប្រើប្រាស់តាម commandព្រោះ Email ប្រើប្រាស់ SMTP Port 25 គួរតែប្រើប្រាស់តាម Outlook ឬ WebMail។\n\n![test-email.png](https://cdn.steemitimages.com/DQmQUPZeXkjZDhz334wPxTSArp5GHbgiwyKVLsSnkHhEjfG/test-email.png)\n\nអ្នកអាចដោនឡូត Rainloop mail មកតម្លើងជាមួយ Web Server បន្ទាប់មក Configure SMTP and IMAP Address របស់ Mail Server របស់អ្នក។ បន្ទាប់មកអ្នកអាចប្រើប្រាស់ Mail តាមរយះ Webmail បាន\n\nចំណាំ៖ ប្រសិនបើអ្នកធ្វើEmail Server ដូចនេះយ៉ាងហោចណាស់ក៏ត្រូវចំណាយពេលមួយថ្ងៃ ដើម្បីអាចផ្ញើ Email ចេញទៅ Domain ផ្សេងៗបាន ព្រោះ DNS Record អាច update យឺត។ សម្រាប់អត្តបទខាងលើនេះ ជា Email ត្រឹមត្រូវមិនមែនជា Local Email ដែលតម្លើងនៅលើ Vmware នៅក្នុង ក្នុងកុំព្យូទ័រទេ។\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/23/install-postfix/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"mail\",\"server\"],\"users\":[\"comanyname\"],\"image\":[\"https://cdn.steemitimages.com/DQmc6DAPkwjrSsWUtkSRpn1pvUcBzMMtQJRQYgH54PTY8ar/login-from-webmail.png\",\"https://cdn.steemitimages.com/DQmaj5LQL8EE4grZmxTPfTbvNWH2wyiHUiqiaSnUBMZeck9/postfix-master.png\",\"https://cdn.steemitimages.com/DQmPqP793CACtijXrU3E9jgqZagybeCTEZ7C3U4zBaJoZJ5/master.png\",\"https://cdn.steemitimages.com/DQmUWWeeA3emsXRPc5uyPS6avkv34vvyncZmHBVP8HgivgR/master-auth.png\",\"https://cdn.steemitimages.com/DQmRUzCBL86DmdWE4Wf1CHSwYCPkzGxYJPQVcZfzrgbfACe/sslmail.png\",\"https://cdn.steemitimages.com/DQmabrQAykUGoyWW4AdeCxrsrUSesR1w96cv1LvjqA5rjxH/testing-email.png\",\"https://cdn.steemitimages.com/DQmQUPZeXkjZDhz334wPxTSArp5GHbgiwyKVLsSnkHhEjfG/test-email.png\"],\"links\":[\"https://www.techfree.info/2016/10/23/install-postfix/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}

{
  "trx_id": "195e15e7cdc005f805782533e0888634889e1ed6",
  "block": 23101409,
  "trx_in_block": 15,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-07T02:20:54",
  "op": [
    "vote",
    {
      "voter": "vulcano365",
      "author": "techfree",
      "permlink": "isp-config",
      "weight": 10000
    }
  ]
}

{
  "trx_id": "1b68d210d08786789696eb4b3f990dd2735b4825",
  "block": 23101104,
  "trx_in_block": 44,
  "op_in_trx": 0,
  "virtual_op": 0,
  "timestamp": "2018-06-07T02:05:39",
  "op": [
    "comment",
    {
      "parent_author": "",
      "parent_permlink": "cambodia",
      "author": "techfree",
      "permlink": "isp-config",
      "title": "ស្វែងយល់ពី ISP Config",
      "body": "![login.png](https://cdn.steemitimages.com/DQmaRp5nYM4icf3qbgyTtGEy8oQiavviuxBMRvt2mrY7r6H/login.png)\n\nISP Config ជាប្រភេទ Web Hosting Management សម្រាប់ប្រើប្រាស់ក្នុងក្រុមហ៊ុនដែលទទួល Hosting website វាស្រដៀងគ្នាទៅនិង Cpanel ដែរតែគ្រាន់តែ ISP ពេលនេះមិនទាន់គិតថ្លៃ។តែទៅថ្ងៃអនាគតប្រហែលជាអាចគិតថ្លៃ ដូច CPanel ដែរ។\n\nតែទោះជាយ៉ាងណាអ្នកអាចសិក្សាស្វែងយល់ពីដំណើរការ Webhosting មួយតើត្រូវមានអ្វីខ្លះ? ដូចជា Database, Mail, DNS និង Virtual Hosting។\n\nISP Config ត្រូវបានបង្កើតឡើងដោយមានភាសារជាច្រើនដូចជា perl, php និង MySQL ដូចនេះមុននិងតម្លើង អ្នកត្រូវមាន MySQL និង php, php-mysql,postfix ជាដើម។\n\nខាងក្រោមនេះជាការតម្លើង ISP Config នៅលើ CentOS 6\n\nដំបូងត្រូវ update Centos ជាមុនសិនដោយប្រើប្រាស់ command\n\n`yum  update -y`\n\nបន្ទាប់មកទៀតត្រូវតម្លើង sql server, php-mysql and postfix, dovecot\n\n`yum  install -y php php-mysql postfix  dovecot mysql`\n\nបន្ទាប់មក ទៀតត្រូវ Restart service\n\n`service  httpd restart`\n\n`service mysqld restart`\n\n`service postfix restart`\n\n`service dovecot restart`\n\n`chkconfig –level 35 postfix on`\n\n`chkconfig  –level 35 dovecot on`\n\n`chkconfig –level 35 mysqld on`\n\n`chkconfig –level35 httpd on`\n\nបន្ទាប់មកទៀតដោនឡូត ISPConfig មករួចហើយ Extract វាមកក្រៅបាន\n\n`wget http://prdownloads.sourceforge.net/ispconfig/ISPConfig-3.0.4.3.tar.gz`\n\n`tar xzf ISPConfig-3.0.4.3.tar.gz`\n\n`cd ispconfig3_install/install/`\n\nបន្ទាប់មកទៀត តម្លើងISP Config ដោយប្រើប្រាស់ Command ដូចខាងក្រោមនេះ\n\n`php -q install.php`\n\nអ្នកត្រូវបំពេញព័ត៌មានដូចរូបខាងក្រោមនេះដូចជាឈ្មោះ Server ជាដើម។\n\n![1-4.png](https://cdn.steemitimages.com/DQmeouPKsM33c3cxi5FieufsB4YTG832MRjrwnzo5xbybNy/1-4.png)\n\n![2-4.png](https://cdn.steemitimages.com/DQmVEFLkqqQ1AW8vhB8utEi4bKn6YomsRgDyxaAMevQAGUf/2-4.png)\n\n![3-2.png](https://cdn.steemitimages.com/DQmaxMGH1nCeG5ZhDTk58BB4BaX5fTUbcFb7h6Msj6u3Y19/3-2.png)\n\nចុងក្រោយអ្នកអាចប្រើប្រាស់ Web Browserចូលទៅកាន់ IP Address របស់ Server អ្នកនិងបានដូចរូបខាងក្រោមនេះ\n\ndefault username and password: (admin, admin)\n\n![login (1).png](https://cdn.steemitimages.com/DQmTT1EdMzXrzFBHWBiAQcXUjrS2b3px3SrFYFuF1VXxcux/login%20(1).png)\n\nចុងក្រោយអ្នកនិងបាន Web Hosting Management System មួយ។ អ្នកអាចទិញ Plugin បន្ថែមទៀតប្រសិនបើអ្នកចង់អោយមានមុខងារសំបូរបែប។\n\nតែសព្វថ្ងៃនេះ Web hosting មានច្រើនប្រភេទ អ្នកខ្លះក៏ពេញនិយមប្រើប្រាស់ VPS ខ្លះក៏នៅតែប្រើប្រាស់ Virtual Hosting ប្រភេទនេះ អាស្រ័យទៅលើចំនេះដឹងនិងតម្រូវការរៀងៗខ្លួន។\n\n\n[ប្រភពដើម](https://www.techfree.info/2016/10/23/ispconfig/)",
      "json_metadata": "{\"tags\":[\"cambodia\",\"khmer\",\"isp\",\"config\"],\"image\":[\"https://cdn.steemitimages.com/DQmaRp5nYM4icf3qbgyTtGEy8oQiavviuxBMRvt2mrY7r6H/login.png\",\"https://cdn.steemitimages.com/DQmeouPKsM33c3cxi5FieufsB4YTG832MRjrwnzo5xbybNy/1-4.png\",\"https://cdn.steemitimages.com/DQmVEFLkqqQ1AW8vhB8utEi4bKn6YomsRgDyxaAMevQAGUf/2-4.png\",\"https://cdn.steemitimages.com/DQmaxMGH1nCeG5ZhDTk58BB4BaX5fTUbcFb7h6Msj6u3Y19/3-2.png\",\"https://cdn.steemitimages.com/DQmTT1EdMzXrzFBHWBiAQcXUjrS2b3px3SrFYFuF1VXxcux/login%20(1).png\"],\"links\":[\"https://www.techfree.info/2016/10/23/ispconfig/\"],\"app\":\"steemit/0.1\",\"format\":\"markdown\"}"
    }
  ]
}