atnan

#import <UIKit/UIKit.h>

@interface CameraTestAppDelegate : NSObject <UIApplicationDelegate> {
    UIWindow *window;
}

@property (nonatomic, retain) IBOutlet UIWindow *window;

- (void) cameraControllerReadyStateChanged:(NSNotification*)aNotification;
- (void) cameraController:(id)sender tookPicture:(UIImage*)picture withPreview:(UIImage*)preview jpegData:(NSData*)rawData imageProperties:(struct __CFDictionary*) imageProperties;

atnan

#define HEXCOLOR(c) [UIColor colorWithRed:((c>>24)&0xFF)/255.0 \
                                    green:((c>>16)&0xFF)/255.0 \
                                     blue:((c>>8)&0xFF)/255.0 \
                                    alpha:((c)&0xFF)/255.0];

UIColor* myColor = HEXCOLOR(0xff0000);

atnan

class Job < ActiveRecord::Base

  STATUS_READY, STATUS_IN_PROGRESS, STATUS_DONE = 1, 2, 3

  def self.fetch(pid)
    update_all(
      { :status => STATUS_IN_PROGRESS,
           :pid => pid },
      { :status => STATUS_READY },
      { :limit  => 1,

atnan

def measure_time task_description
  beginning = Time.now
  yield
  puts "Time to #{task_description}: #{Time.now - beginning} seconds"
end

def add a, i
  a << i
end

atnan

dpkg --get-selections > packages.txt
dpkg --set-selections < packages.txt
apt-get dselect-upgrade

atnan

# Checking out
git svn init <svn url> <checkout directory>
git svn fetch
git repack -d

# Working
git checkout -b some-feature
git commit -a -m "Some feature"

# Commiting

atnan

@interface UIView (Debugging)
-(void)inspectWithDepth:(int)depth path:(NSString *)path;
@end

atnan

Finding the H.264 format of a Vimeo video:

1. Fetch the clip XML metadata (e.g. "http://vimeo.com/moogaloop/load/clip:5531123")
2. Grab the value of "request_signature" and "request_signature_expires" from the XML
3. Use the URL "http://vimeo.com/moogaloop/play/clip:5531123/REQUEST_SIG/REQUEST_SIG_EXPIRES/?q=hd"

atnan

@implementation NSArray(Filtering)
- (NSArray*)arrayByMappingArrayUsingSelector:(SEL)selector, ... {
  NSInvocation* invocation;
  va_list arguments;

  if (selector && [self lastObject]) {
    va_start(arguments, selector);
    invocation = [NSInvocation invocationUsingSelector:selector onTarget:[self lastObject] argumentList:arguments];
    va_end(arguments);
  }

atnan

var ify = function() {
  return {
    "link": function(t) {
      return t.replace(/(^|\s+)(https*\:\/\/\S+)/g, function(m, m1, link) {
        return m1.concat('<a href="', link, '">', link.substr(0, 24), 25 < link.length ? '...' : '', '</a>');
      });
    },
    "at": function(t) {
      return t.replace(/(^|\s+)\@([a-zA-Z0-9_]{1,15})/g, ‘$1@<a href=”http://twitter.com/$2″>$2</a>’);
    },