Articles on Bits and Pieces
Articles by Derk-Jan Karrenbeld
Expo Updates · Custom update notification
Maintaining a fast start-up time, and in-app message to show your users that a new update is ready whilst using the application.
Rails · Right to data portability
Providing a data download using rubyzip
Rails UJS · Custom Confirm
Using a custom confirmation dialog, when using Rails unobtrusive JavaScript driver.
Where have you been?
A short update why I will not write 52 blog posts this year.
Expo Facebook · Providing Login with Facebook
Step-to-step guide for authentication with facebook
Predicate (Programming logic)
A few words on boolean-valued functions
Cross tab events
Running code on other tabs when something happens
FFMPEG examples
Transcoding or probing for the durations with examples and explanations.
Forward arguments in shell
Optionally eating arguments, and passing the rest to the next process.
Here we go again
And what are these bits and pieces?