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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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security add-generic-password \
  -a my-github-login \
  -s github \
  -D "GitHub's OAuth2 Token" \
  -T "" \
  -w the-long-oauth-token

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• Data Down / Actions Up

  • http://emberjs.jsbin.com/nayaho/edit?html,js - Interdependent select boxes. No observers.
  • http://ember-twiddle.com/2d7246875098d0dbb4a4 - One Way Input

• Other

  • http://emberjs.jsbin.com/rwjblue/251/edit?html,js,output - Opening a window and communicate with it.
  • http://emberjs.jsbin.com/rwjblue/55/edit - Using liquid-fire animations in globals mode.
  • http://emberjs.jsbin.com/rwjblue/593/edit - Modify computed dependent keys after initialization.
  • http://emberjs.jsbin.com/siforo/edit?js,output - Define computed property after object initialization.

• http://emberjs.jsbin.com/rwjblue/299/edit?js,output - simplified version of ic-ajax

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Contributor: Adam Edwards

1. Install chocolatey – http://chocolatey.org
2. Install PSReadline to give PowerShell readline power – use the –emacs mode in your PowerShell profile so you have history search and other keyboard behavior like bash: https://github.com/lzybkr/PSReadLine
3. Use chocolatey to install ConEmu, a terminal replacement that supports ANSI colors, dynamic resizing, “normal” text selection and cut and paste, and lots of other customizations: cinst conemu. And set the startup shell for ConEmu to PowerShell (not cmd.exe)
4. Use chocolatey to install an editor – if you’re not already an emacs or vim person, use it to install Atom or Sublime, or Notepad++
5. Always use PowerShell – do not use cmd.exe
6. Install ChefDK and use chef shell-init powershell to get at your Chef Ruby environment.
7. Use Pantry – it can automate #1, 3, 4, and 6 and will probably have support for #2. https://github.com/chef/pantry-chef-repo
8. If you get stuck on a box where you don’t an editor or chocolatey and need to e

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TMUX= tmux new-session -d -s name
tmux switch-client -t name

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Host commands

VboxManage list usbhost
VBoxManage controlvm usbattach <uuid>|<address>
VBoxManage controlvm usbdetach <uuid>|<address>

Vagrantfile

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Choices

1. Install ghc 7.6.3 and Haskell Platform
2. Install ghc 7.8.2 and Cabal

Option GHC 7.6.3 + Haskell Platform

GHC 7.6.3

Install Ubuntu 12.04 depencies:

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#!/bin/bash
node_command="node --debug app.js"
node_inspector_command="node-inspector"

function getPid {
  command=$1
  echo `ps -A -o pid,cmd | grep "$command" | grep -v grep | head -n 1 | awk '{print $1}'`
}

echo `getPid $node_command`

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Add these lines to the bottom of the file:

# ~/.bashrc
export LANGUAGE=en_US.UTF-8
export LANG=en_US.UTF-8
export LC_ALL=en_US.UTF-8

After editing the file execute this commands

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If you have a rvmrc dotfile in your rails project and you are using an specific Gemset for your Ruby version, take care!!

Unicorn ALWAYS uses Ruby version @global gemset. You could get a template error like this: "Could not find XXXX in any of the sources"

If you want to fix quickly this issue you can copy your current gemset of files to global default gemset, like this example:

rvm gemset copy 1.9.3@Rails3.2.11 1.9.3@global