jarsen

// old way
- (NSMutableArray *)sections {
    if (!_sections) {
        _sections = [NSMutableArray new];
    }
    return _sections;
}

// cool new way
- (NSMutableArray *)sections {

jarsen

sieve = (n) ->
  primes = (true for i in [3..n])
	for i in [2..n]
		continue if Math.pow(i,i) > n
		for j in [Math.pow(i,i)-3..n] by i
			primes[j] = no

	(index + 3 for primality, index in primes when primality)

console.log sieve(1000000)

jarsen

#!/usr/bin/env ruby -wKU

require 'net/http'
require 'json'

STOPWORDS = %w(
a about above after again against all am an and any are aren't as at be because been before
being below between both but by can't cannot could couldn't did didn't do does doesn't doing
don't down during each few for from further had hadn't has hasn't have haven't having he he'd
he'll he's her here here's hers herself him himself his how how's i i'd i'll i'm i've if in

jarsen

foo = %w{cat dog dog cat cat cat dog cat dog dog cat cat dog dog}
bar = %w{yes no yes yes yes no no yes no yes no no yes yes}

puts "Foo: #{foo}"
puts "Bar: #{bar}"

histogram = foo.inject(Hash.new(0)) { |h,v| h[v] += 1; h }
puts histogram

jarsen

~ % brew install netpbm
==> Downloading http://sourceforge.net/projects/netpbm/files/super_stable/10.35.86/netpbm-10.35.86.tgz
Already downloaded: /Library/Caches/Homebrew/netpbm-10.35.86.tgz
/usr/bin/tar xf /Library/Caches/Homebrew/netpbm-10.35.86.tgz
==> cp Makefile.config.in Makefile.config
cp Makefile.config.in Makefile.config
==> make
make 
/private/tmp/brew-netpbm-10.35.86-LQva/netpbm-10.35.86/Makefile.common:560: Makefile.depend: No such file or directory
cat /dev/null >Makefile.depend

jarsen

// UISegmented control
UIImage *segSelected = [[UIImage imageNamed:@"sel.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)];
UIImage *segUnselected = [[UIImage imageNamed:@"uns.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)];
UIImage *segSelectedUnselected = [UIImage imageNamed:@"sel-uns"];
UIImage *segUnselectedSelected = [UIImage imageNamed:@"uns-sel"];
UIImage *segUnselectedUnselected = [UIImage imageNamed:@"uns-uns"];

[[UISegmentedControl appearance] setBackgroundImage:segUnselected
                                           forState:UIControlStateNormal
                                         barMetrics:UIBarMetricsDefault];

jarsen

[self.fullscreenButton customViewButtonWithImage:@"fullscreenButton" target:self action:@selector(toggleFullScreen:)];

jarsen

//  UIBarButtonItem+Custom.h
//  Created by Jason Larsen on 6/21/12.
#import <UIKit/UIKit.h>

@interface UIBarButtonItem (Custom)

- (void)customViewButtonWithImage:(NSString *)imageName target:(id)target action:(SEL)selector;

@end

jarsen

NSURL *url = [NSURL URLWithString:@"pinit12://pin/create/bookmarklet/?media=http%3A%2F%2Fimages.apple.com%2Fhome%2Fimages%2Fipad_hero.jpg&url=http%3A%2F%2Fwww.apple.com%2F&title=Apple&is_video=false&description=Test"];

[[UIApplication sharedApplication] openURL:url];

jarsen

#!/usr/bin/env ruby -wKU

require 'gserver'
require 'cgi'

class CookieCatcher < GServer
  def serve client
    request = client.gets    # just get first line, who cares about rest
    url = request.gsub(/GET /, '').gsub(/ HTTP.*/, '')    # rip url out of http request
    stolen = CGI::parse(url[url.index("?")+1..-1])  # parse query