Cuong Huynh cuonghuynh

## gist:34c9e544bd43eac2dbb4ca92464fa839
echo (memory_get_usage() / 1024 / 1024, 2) . ' MB' . PHP_EOL;

## ArrayCollection.php
/**
 * Class ArrayCollection
 *
 * @package Shopmacher\Base\FrontendBundle\Model
 */
class ArrayCollection implements CollectionInterface
{
    /**
     * @var array
     */

## gist:f2debb764521933aeec0c1fd99b065f5
# Fix it!
# in webpack/config.js

resolve: {
  alias: {
    pace: 'pace-js'
  }
}

# in page.js

## gist:9634f31aab49bb9c9af924d150c7b794
Repository has only responsibility to QUERY (R) one or all entites by a specific set criteria

Manager contains business code to create, update, delete entities (CUD). It ships the repository inside.

## gist:3e405d2fd205e6c71d610cfcf025027f
Unit-test: You will figure out missing logic, wrong types returned or params ... things which you can not think when programming the business code

Behat: It's really a supervisor for your website, which make sure all fuctions work well after adding new features.

## gist:7b36633bcc3b7c4153d86fe3084925f0
Normally 503 service unavailable errors come from the server run out of memory.

Case: It occurs only on a some pages
==> Try to find the code which take the most memory (pdf, importing, ...)

Case: Whole site down
==> Check memory now by some tools such as: top, htop...
    Restart php-fpm


## gist:b23b9aacec63ad65591cd06a4ebed190
Install vagrant-vbguest plugin
> vagrant plugin install vagrant-vbguest

## gist:9192033be6d6ec62cb103b743dc49921
>/etc/init.d/php7.0-fpm restart

## gist:3eeb53ca8c9df537235207604c273f53
> composer depends [package-name]

## gist:dcbce40be59a538d3a12fe6d9efe0769
# check status
> git status
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git checkout -- <file>..." to discard changes in working directory)
  modified: hello.html

# discard changes
> git checkout hello.html
	/**
	* Class ArrayCollection
	*
	* @package Shopmacher\Base\FrontendBundle\Model
	*/
	class ArrayCollection implements CollectionInterface
	{
	/**
	* @var array
	*/
	# Fix it!
	# in webpack/config.js

	resolve: {
	alias: {
	pace: 'pace-js'
	}
	}

	# in page.js
	Repository has only responsibility to QUERY (R) one or all entites by a specific set criteria

	Manager contains business code to create, update, delete entities (CUD). It ships the repository inside.
	Unit-test: You will figure out missing logic, wrong types returned or params ... things which you can not think when programming the business code

	Behat: It's really a supervisor for your website, which make sure all fuctions work well after adding new features.
	Normally 503 service unavailable errors come from the server run out of memory.

	Case: It occurs only on a some pages
	==> Try to find the code which take the most memory (pdf, importing, ...)

	Case: Whole site down
	==> Check memory now by some tools such as: top, htop...
	Restart php-fpm
	Install vagrant-vbguest plugin
	> vagrant plugin install vagrant-vbguest
	# check status
	> git status
	Changes not staged for commit:
	(use "git add <file>..." to update what will be committed)
	(use "git checkout -- <file>..." to discard changes in working directory)
	modified: hello.html

	# discard changes
	> git checkout hello.html