rename a git branch

rename a git branch: git branch -m old_branch new_branch
use -M to overwrite an existing branch

commit only part of a file in git

using git blame

URL Encode NSString in Objective-C:

NSString* escapedUrlString =
[unescapedString stringByAddingPercentEscapesUsingEncoding:
NSASCIIStringEncoding];

but I used NSUTF8StringEncoding instead.

git: who wrote the most code? – lines changed by one author

git branching model for mobile (multiple API versions) [original]

learn git tower

vi commands

re: singleton accessor names

resolving conflicts after git cherry-pick