Maintaining a fast start-up time, and in-app message to show your users that a new update is ready whilst using the application.
Providing a data download using rubyzip
A short update why I will not write 52 blog posts this year.
Step-to-step guide for authentication with facebook
A few words on boolean-valued functions
Running code on other tabs when something happens
Transcoding or probing for the durations with examples and explanations.
Optionally eating arguments, and passing the rest to the next process.
And what are these bits and pieces?