2016

Create WordPress widget template from scratch

I’ve save down the most basic widget code for WordPress, you can copy this to your plugin and modify it to start your first widget. You can save time on this tutorial to help you create wordpress widget from scratch. [code lang=”php”] <?php class example_widget extends WP_Widget { function __construct() { parent::__construct(false, $name = ‘Example …

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ERROR: failed to ptrace(PEEKDATA) pid 17402: Input/output error (5)

You may found this error from your php-fpm and the php-fpm crash [code lang=”shell”] tail /var/log/php-fpm/error.log [15-May-2016 12:24:13] ERROR: failed to ptrace(PEEKDATA) pid 17402: Input/output error (5) [15-May-2016 12:24:13] ERROR: failed to ptrace(PEEKDATA) pid 17777: Input/output error (5) [15-May-2016 12:24:13] ERROR: failed to ptrace(PEEKDATA) pid 18886: Input/output error (5) [15-May-2016 12:25:53] ERROR: failed to ptrace(PEEKDATA) …

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lazy-result.js ReferenceError: Promise is not defined

[code lang=”javascript”] node_modules/postcss/lib/lazy-result.js:157 this.processing = new Promise(function (resolve, reject) { ^ ReferenceError: Promise is not defined [/code] When I install the FoundationPress, after I run gulp build I saw this message, this is because the node version problem. the have mention in this post https://github.com/postcss/postcss-nested/issues/30 Solution [code lang=”shell”] vim node_modules/postcss/lib/lazy-result.js [/code] Put this to the …

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How to Install MongoDB 3.2 on CentOS 7

[code lang=”shell”] vim /etc/yum.repos.d/mongodb.repo [/code] Paste this to the file and save using :wq [code lang=”shell”] [MongoDB] name=MongoDB Repository baseurl=http://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.2/x86_64/ gpgcheck=0 enabled=1 [/code] Download and install mongodb using yum [code lang=”shell”] yum install mongodb-org -y [/code] Start mongod and configure auto start while system boot [code lang=”shell”] /etc/init.d/mongod restart chkconfig mongod on [/code] Check all …

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