David E Worth daveworth

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:

Update 2022: git checkout -p <other-branch> is basically a shortcut for all this.

FYI This was written in 2010, though I guess people still find it useful at least as of 2021. I haven't had to do it ever again, so if it goes out of date I probably won't know.

Example: You have a branch refactor that is quite different from master. You can't merge all of the commits, or even every hunk in any single commit or master will break, but you have made a lot of improvements there that you would like to bring over to master.

Note: This will not preserve the original change authors. Only use if necessary, or if you don't mind losing that information, or if you are only merging your own work.

	/ In app/views/shared/

	#dev-badge
	span= Rails.env
	span It ain't production!

	1.9.3p194 :001 > 1==1?"one":"not one"
	=> "one"
	1.9.3p194 :002 > def one
	1.9.3p194 :003?> 1
	1.9.3p194 :004?> end
	=> nil
	1.9.3p194 :005 > 1==one?"one":"not one"
	SyntaxError: (irb):5: syntax error, unexpected tSTRING_BEG, expecting keyword_do or '{' or '('
	1==one?"one":"not one"
	1.9.3p194 :006 > 1==one ? "one":"not one"

	newpg=9.6.1 # set to new PG version number
	oldpg=`pg_config --version \| cut -d' ' -f2`

	# PG 96. upgrades the readline to v7, which breaks anything linked against readline v6, like ruby via ruby-build.
	# I think this should prevent it from installing v7. But if weird shit happens with various rubies,
	# you'll have to reinstall them.
	brew pin readline

	# Stop current Postgres server
	brew services stop postgresql

	require "spec_helper"

	# :draper_with_helpers is necessary for the Draper objects
	# to access real helpers, including URL helpers, in the spec.
	describe MyDecorator, "#foo", :draper_with_helpers do

	# This is necessary for the spec itself to use URL helpers
	# like some_path().
	include Rails.application.routes.url_helpers

	def output name=((default=true); "caius")
	puts "name: #{name.inspect}"
	puts "default: #{default.inspect}"
	end

	output
	# >> name: "caius"
	# >> default: true

	output "avdi"

	require "money"

	class Decorator < BasicObject
	undef_method :==

	def initialize(component)
	@component = component
	end

	def method_missing(name, *args, &block)

	If builds of PostgreSQL 9 are failing and you have version 8.x installed,
	you may need to remove the previous version first. See:
	https://github.com/mxcl/homebrew/issues/issue/2510

	To build plpython against a specific Python, set PYTHON prior to brewing:
	PYTHON=/usr/local/bin/python brew install postgresql
	See:
	http://www.postgresql.org/docs/9.0/static/install-procedure.html