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#!/usr/bin/env python

import sys

class Lexer:

	NUM, ID, IF, ELSE, WHILE, DO, LBRA, RBRA, LPAR, RPAR, PLUS, MINUS, LESS, \
	EQUAL, SEMICOLON, EOF = range(16)

	SYMBOLS = { '{': LBRA, '}': RBRA, '=': EQUAL, ';': SEMICOLON, '(': LPAR,

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Multiple PHP version under Ubuntu 14.04

Update your machine

apt-get update
apt-get upgrade

Install some dependencies

apt-get install build-essential

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#!/bin/bash

# Functions ==============================================

# return 1 if global command line program installed, else 0
# example
# echo "node: $(program_is_installed node)"
function program_is_installed {
  # set to 1 initially
  local return_=1

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#!/bin/bash
#
# chkconfig: 235 10 90
# description: TeamCity startup script
#

TEAMCITY_USER=teamcity
TEAMCITY_DIR=/home/teamcity/TeamCity/
TEAMCITY_SERVER=bin/teamcity-server.sh

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# http://stackoverflow.com/questions/59895/can-a-bash-script-tell-what-directory-its-stored-in
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

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Nginx FastCGI cache

Example /etc/nginx/nginx.conf using FastCGI (e.g. to PHP-FPM) with FastCGI cache enabled. This will capture returned data and persist it to a disk based cache store for a configurable amount of time, great for robust full page caching.

Will need to create a directory to hold cache files, for the example given here that would be:

$ sudo mkdir -p /var/cache/nginxfastcgi
$ chown www-data: /var/cache/nginxfastcgi

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Simple file/stream encryption using OpenSSL

Create and store a 512-byte random encryption key named secret:

$ mkkey secret

Encrypt the contents of file with the secret key and write it to file.enc:

$ encrypt secret < file > file.enc

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#!/usr/bin/env bash

source super.bash

foo() {
  echo hello
}
super_function foo

foo() {

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#!/usr/bin/env bash
#
# Wraps curl with a custom-drawn progress bar. Use it just like curl:
#
#     $ curl-progress -O http://example.com/file.tar.gz
#     $ curl-progress http://example.com/file.tar.gz > file.tar.gz
#
# All arguments to the program are passed directly to curl. Define your
# custom progress bar in the `print_progress` function.
#

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Install on dev server

$ aptitude install dnsmasq

Wildcards

$ cat >> /etc/dnsmasq.d/dev  # choose any name
address=/dev.example.com/192.168.1.2
^D