natecook1000

extension NSTimer {
    /**
    Creates and schedules a one-time `NSTimer` instance.
    
    - Parameters:
        - delay: The delay before execution.
        - handler: A closure to execute after `delay`.
    
    - Returns: The newly-created `NSTimer` instance.
    */

chriseidhof

import Foundation

// Executes an array of blocks in parallel, but only returns after they're all done.

func parallel(blocks: [() -> ()]) {
    let group = dispatch_group_create()
    let queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0)
    for block in blocks {
        dispatch_group_async(group, queue, block)
    }

shadcn

// Creates a UIColor from a Hex string.
func colorWithHexString (hex:String) -> UIColor {
  var cString:String = hex.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet()).uppercaseString
  
  if (cString.hasPrefix("#")) {
    cString = cString.substringFromIndex(1)
  }
  
  if (countElements(cString) != 6) {
    return UIColor.grayColor()

omz

// 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

MorningZ

/*
I was struggling with the fact that the "stock" jQuery Mobile "loading" message
allowed users to click on UI items around it...

so it's Mike Alsup's BlockUI to the rescue!

first include his blockui library from:
http://jquery.malsup.com/block/#download

*/