Versioning models with the acts_as_versioned plugin cd rails/app ./script/plugin install git://github.com/technoweenie/acts_as_versioned.git ./script/generate model post title:string body:text In your model class Post < ActiveRecord::Base acts_as_ve...

If you've named a branch beginning with two dashes "--", you're sort of in trouble because git interprets your branch name as a switch/flag. You can skip switches all together by supplying two dashes before your branch name git branch -d -- --index_for_...

Login as the root user or as a user that can execute sudo commands. #open this file for editing... vim /etc/ssh/sshd_config Find the line that reads Port 22 Change this to an different and an available port number... Port 8000 Next reload ssh /etc/...

If you're working with an XCode application, either iOS or MacOS, and want to do a completely clean build and delete the cache, it's simple. Execute this command from the command line.. defaults delete your.apps.bundle.id Where "your.apps.bundl...

Quick and dirty way to grab the users status messages without having to go through the twitter api (not having to authenticate that is). You can grab the RSS feed and indicate the number of statuses returned with the count param. I wrote this function for...