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<?php
include '../vendor/autoload.php';
$classLoader = new \Doctrine\Common\ClassLoader('Entities', __DIR__);
$classLoader->register();

$classLoader = new \Doctrine\Common\ClassLoader('Proxies', __DIR__);
$classLoader->register();

// config
$config = new \Doctrine\ORM\Configuration();

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sudo usermod -aG docker ${USER}

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Dump limited data

mysqldump -u root -p --opt --where="1 limit 100" database_name > new_database_name.sql // dump 100 record of every table

Download data from server

scp username@server_id_address_or_name:path/to/file /path/to/local/pc

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Download filed from remote server

scp your_username@remotehost.edu:foobar.txt /local/dir

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Delete all contents of a file

truncate -s 0 filename

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<?php

/**
 * Simple excel writer class with no external dependencies, drop it in and have fun
 * @author Matt Nowack
 * @link https://gist.github.com/ihumanable/929039/edit
 * @license Unlicensed
 * @version 1.0
 */
class Excel {

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->orderColumn('id', '-id $1')

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sudo setfacl -m user:$USER:rw /var/run/docker.sock

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Maps your current location using the Geolocation API.

See also this example, which shows how to map a user's location using Leaflet's locate method and LocationEvent.

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git reset --hard #commit_hash

Then commit and 

git push --force