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@raheelahmad
raheelahmad / tree.md
Created April 24, 2012 01:27 — forked from hrldcpr/tree.md
one-line tree in python

One-line Tree in Python

Using Python's built-in defaultdict we can easily define a tree data structure:

def tree(): return defaultdict(tree)

That's it!

@raheelahmad
raheelahmad / gist:1100970
Created July 23, 2011 03:40
Creating arbitrarily-colored icons from a black-with-alpha master image (iOS)
// Usage example:
// input image: http://f.cl.ly/items/3v0S3w2B3N0p3e0I082d/Image%202011.07.22%2011:29:25%20PM.png
//
// UIImage *buttonImage = [UIImage ipMaskedImageNamed:@"UIButtonBarAction.png" color:[UIColor redColor]];
// .h
@interface UIImage (IPImageUtils)
+ (UIImage *)ipMaskedImageNamed:(NSString *)name color:(UIColor *)color;
@end