hollowbash

#!/usr/bin/env bash

# French Guide : https://github.com/FredBezies/arch-tuto-installation
# Install ARCH Linux with UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.

# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M status=progress && sync # on linux

hollowbash

# Fill all empty space with zero
# @see https://seshagiriprabhu.wordpress.com/2012/11/22/shrink-virtualbox-image-and-export-it-into-and-ovaovf-file-format/

sudo dd if=/dev/zero of=/bigemptyfile
sudo rm -rf /bigemptyfile

# If the free space on the guest OS is not much left, you can use the following alternative:
# cat /dev/zero > zero.fill;sync;sleep 1;sync;rm -f zero.fill

hollowbash

#!/bin/bash
# scp-speed-test.sh
# Author: Alec Jacobson alecjacobsonATgmailDOTcom
#   http://www.alecjacobson.com/weblog/?p=635
#
# Test ssh connection speed by uploading and then downloading a 10000kB test
# file (optionally user-specified size)
#
# Usage:
#   ./scp-speed-test.sh user@hostname [test file size in kBs]

hollowbash

<?php

class CSVStream {
  /**
   * List of available source fields.
   *
   * @var array
   */
  protected $fields = array();

hollowbash

<?php

// Подключаемся к бд. первый параметр - линк к бд вида "драйвер:host=хост;port=порт;dbname=имя_бд
// Второй и третий параметры - логин и пас соответственно
$db = new PDO(
    "mysql:host=localhost;port=3306;dbname=tmp_db",
    "root",
    "*************"
);

hollowbash

<?php 

// Основные команды и сниппеты при использовании PDO

//Соединение с БД
$db = new PDO('mysql:host=localhost;dbname=mini-site', 'root', '');

// 1. Выбор данных из БД без защиты
$username = 'Joker';
$password = '555';

hollowbash

# Stop all containers
docker stop `docker ps -qa`

# Remove all containers
docker rm `docker ps -qa`

# Remove all images
docker rmi -f `docker images -qa `

# Remove all volumes