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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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/**
 * Return parent product id(s) array.
 *
 * @param Mage_Catalog_Model_Product $product
 * @return array|bool|null
 */
public function getParentIds(Mage_Catalog_Model_Product $product)
{
    $id = $product->getId();
    $type = $product->getTypeId();

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MySQL Command Examples

#Stored procedure and function ##Bulk delete stored procedure

delete from mysql.proc WHERE db LIKE 'yourDbName';

##mysqldump/backup stored procedure only

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#!/usr/bin/env bash

#This script backups selected databases in local MySQL server

#REQUIREMENTS
##mysqldump gzip
##mysql database has no root password. This script uses 'root' MySQL user without password as no 'root' password is set.
##This is not good practice. User with more restrictive permission should be used.

#set database user

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#Install proftpd Digital Ocean: How To Set Up ProFTPD on CentOS 6
thesysad.com: Setting Up FTP Server Using ProFTPD in CentOS
ProFTPD: Virtual Users
ProFTPD: Logins and Authentication
ProFTPD: Using AuthUserFiles
ftpasswd: tool for ProFTPD's AuthUserFile, AuthGroupFile, UserPassword
Linux and Unix umask command
How to Enable EPEL Repository for RHEL/CentOS 7.x/6.x/5.x

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Source stackoverflow.com
#Use the awesome interactive rebase:

git rebase -i @~9   # Show the last 9 commits in a text editor

Find the commit you want, change pick to e (edit), and save and close the file. Git will rewind to that commit, allowing you to either:

1. use git commit --amend to make changes, or
2. use git reset @~ to discard the last commit, but not the changes to the files (i.e. take you to the point you were at when you'd edited the files, but hadn't committed yet). The latter is useful for doing more complex stuff like splitting into multiple commits.

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#Prerequisit

Install Go programming language and Configure home directory for Go language

Digital Ocean Doc

cd ~
curl -O https://storage.googleapis.com/golang/go1.6.linux-amd64.tar.gz
tar xvf go1.6.linux-amd64.tar.gz
sudo chown -R root:root ./go
sudo mv go /usr/local

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#Install Magento cli glovally

export PATH=$PATH:/var/www/html/magento2/bin

#Enable Disable Maintanance mode Enable or disable maintenance mode

magento maintenance:enable [--ip=<ip address> ... --ip=<ip address>] | [ip=none]
magento maintenance:disable [--ip=<ip address> ... --ip=<ip address>] | [ip=none]
magento maintenance:status

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For this example I have used magento2 cli. Asuming magento2 cli is located in /var/www/magento2/bin.

#create the script file
echo "export PATH=$PATH:/var/www/magento2/bin" > /etc/profile.d/magento2_bin.sh

#run the file to load 
source /etc/profile.d/magento2_bin.sh

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/**
 * @param string $moduleName
 * @param string $type [optional]
 * @return string
 * @throws \InvalidArgumentException
 */
function df_module_dir($moduleName, $type = '') {
	/** @var \Magento\Framework\ObjectManagerInterface $om */
	$om = \Magento\Framework\App\ObjectManager::getInstance();
	/** @var \Magento\Framework\Module\Dir\Reader $reader */