coderofsalvation

# check if variable is array, returns 0 on success, 1 otherwise
# @param mixed 

is_array()
{   #detect if arg is an array, returns 0 on sucess, 1 otherwise
    [ -z "$1" ] && return 1
    if [ -n "$BASH" ]; then
        declare -p ${1} 2> /dev/null | grep 'declare \-a' >/dev/null && return 0
    fi
    return 1

marcusphi

---
# This has been tested with ansible 1.3 with these commands:
#   ansible-playbook -i hosts ansible_conditionals_examples.yaml --extra-vars="hosts=myhosts isFirstRun=false"
#   ansible-playbook -i hosts ansible_conditionals_examples.yaml --extra-vars="hosts=myhosts isFirstRun=true"
#   ansible-playbook -i hosts ansible_conditionals_examples.yaml --extra-vars="hosts=myhosts"
# NB: The type of the variable is crucial!

- name: Ansible Conditionals Examples
  hosts: $hosts
  vars_files:

jtdp

# fetch the changes from the remote
git fetch origin

# show commit logs of changes
git log master..origin/master

# show diffs of changes
git diff master..origin/master

# apply the changes by merge..

jwebcat

wget --no-check-certificate --content-disposition https://github.com/joyent/node/tarball/v0.7.1
# --no-check-cerftificate was necessary for me to have wget not puke about https
curl -LJO https://github.com/joyent/node/tarball/v0.7.1

dergachev

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

louisbullock

/* Wooden Wall [CSS] */
/* Made with ♥ by Louis Bullock */

html,body {
    height: 100%;
    overflow: hidden;
}

html {
	display:block;

jpoehls

<#
.SYNOPSIS
Converts files to the given encoding.
Matches the include pattern recursively under the given path.

.EXAMPLE
Convert-FileEncoding -Include *.js -Path scripts -Encoding UTF8
#>
function Convert-FileEncoding([string]$Include, [string]$Path, [string]$Encoding='UTF8') {
  $count = 0