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Frontend Development

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Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

-E: will describe the underlaying queries of the \ commands (cool for learning!)
-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

	#!/bin/bash

	# chkconfig: - 80 12
	# description: Controller for redis-server
	# processname: redis

	# useage: redis {start\|stop\|restart}
	# notice, you need to edit these 4 variables bellow to suit your condition

	BIN="/usr/local/redis/bin/redis-server"

	#!/bin/sh

	rpm -Uih https://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
	curl -L https://get.rvm.io \| bash -s stable
	rvm install 2.0.0
	rvm use 2.0.0@global --default

	# for chinese user, if you have a wonderful speed ignore this part
	# to have a faster download speed
	# switch gem source to ruby.taobao.org

	#include <roxlu/core/Log.h>
	#include <roxlu/core/Utils.h>
	#include <video/X264Encoder.h>

	X264Encoder::X264Encoder()
	:in_width(0)
	,in_height(0)
	,in_pixel_format(AV_PIX_FMT_NONE)
	,out_width(0)
	,out_height(0)

	# Output to a jpeg file
	set terminal jpeg size 1280,720

	# Set the aspect ratio of the graph
	set size 1, 1

	# The file to write to
	set output "timeseries.jpg"

	# The graph title

	# UPD from 2018:
	# This gist was written for pre-1.0 version of Elixir and won't work on post-1.0 versions.
	# You probably consider using something else!

	defmodule SecureRandom do
	@moduledoc """
	Ruby-like SecureRandom module.

	## Examples

	#!/bin/sh
	# @author Rob Wu <[email protected]> (https://robwu.nl)
	version=$1
	if [[ "${version}" != "." ]] ; then
	echo "Repeat the command with an exact version:"
	suffix="[0-9.]*"
	# Version not specified in $1
	[ -z $version ] && suffix="[0-9][0-9.]+"
	curl -s http://www.oldapps.com/google_chrome.php \| grep -oP "google_chrome.php\?old_chrome=[0-9]+\">[A-Za-z ]+\K${version}${suffix}( [A-Za-z()]+)?" -m 10
	elif [ -e "${version}_chrome_installer.exe" ] ; then

	defmodule Constants do
	@moduledoc """
	An alternative to use @constant_name value approach to defined reusable
	constants in elixir.

	This module offers an approach to define these in a
	module that can be shared with other modules. They are implemented with
	macros so they can be used in guards and matches

	## Examples:

	[Unit]
	Description=Shadowsocks Server
	After=network.target

	[Service]
	Type=forking
	PIDFile=/run/shadowsocks/server.pid
	PermissionsStartOnly=true
	ExecStartPre=/bin/mkdir -p /run/shadowsocks
	ExecStartPre=/bin/chown nobody:nogroup /run/shadowsocks