Happens to me all the time. I use Evernote to keep track of the most common bash commands, API calls, syntax specifics, etc. Flash card format, e.g. Title:

Happens to me all the time. I use Evernote to keep track of the most common bash commands, API calls, syntax specifics, etc. Flash card format, e.g. Title: Check if object is in a NSMutableArray Content: containsObject: