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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:

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Encoding Video

Installing

Install FFmpeg with homebrew. You'll need to install it with a couple flags for webm and the AAC audio codec.

brew install ffmpeg --with-libvpx --with-libvorbis --with-fdk-aacc --with-opus

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#!/bin/sh

# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx

# Set the colours you can use
black='\033[0;30m'
white='\033[0;37m'
red='\033[0;31m'

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# Example Dockerfile
FROM hello-world

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#!/usr/bin/env sh

# Download lists, unpack and filter, write to stdout
curl -s https://www.iblocklist.com/lists.php \
  | sed -n "s/.*value='\(http:.*=bt_.*\)'.*/\1/p" \
  | xargs wget -O - \
  | gunzip \
  | egrep -v '^#'

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--- Actions ---
$Copy                                              <M-C>
$Cut                                               <M-X> <S-Del>
$Delete                                            <Del> <BS> <M-BS>
$LRU                                              
$Paste                                             <M-V>
$Redo                                              <M-S-Z> <A-S-BS>
$SearchWeb                                         <A-S-G>
$SelectAll                                         <M-A>
$Undo                                              <M-Z>

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Quick uninstall JetBrains settings:

curl -sL https://gist.github.com/denji/9731967/raw/jetbrains-uninstall.sh | bash -s

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#!/bin/sh
PORT=4200
sudo launchctl unload /Library/LaunchDaemons/com.crashplan.engine.plist
sudo sed -i '' "s/\(<servicePort>\)[^<]*/\1$PORT/" /Library/Application\ Support/CrashPlan/conf/my.service.xml
sed -i '' "s/#*\(servicePort=\).*/\1$PORT/" /Applications/CrashPlan.app/Contents/Resources/Java/conf/ui.properties
defaults write /Applications/CrashPlan.app/Contents/Resources/CrashPlan\ menu\ bar.app/Contents/Info CPPort $PORT
sudo launchctl load /Library/LaunchDaemons/com.crashplan.engine.plist

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Backend Development

• node.js
  • Installation paths: use one of these techniques to install node and npm without having to sudo.
  • Node.js HOWTO: Install Node+NPM as user (not root) under Unix OSes
  • Felix's Node.js Guide
  • Creating a REST API using Node.js, Express, and MongoDB
  • Node Cellar Sample Application with Backbone.js, Twitter Bootstrap, Node.js, Express, and MongoDB
  • JavaScript Event Loop
• Node.js for PHP programmers

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

  ## Examples

      iex> SecureRandom.base64
      "xhTcitKZI8YiLGzUNLD+HQ=="

      iex> SecureRandom.urlsafe_base64(4)