Johnnie Walker randomsequence

#Exporting RAW Image Data from PNG files with libpng

This is an Xcode project which uses [libpng][] to export the raw image data from a png file.

Usage:

pngdump source.png destination.dat

This Xcode project links against libpng. On OS X that's available via [homebrew][]

	UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(0, 0, 320.0, 480.0)];
	webView.delegate = self;
	[webView loadHTMLString:@"<html></html>" baseURL:[[NSBundle mainBundle] bundleURL]];

	#pragma mark - UIWebViewDelegate

	- (void)webViewDidFinishLoad:(UIWebView *)webView {
	NSString *script = @"(function(){return 'Hi, how are you?';})();";
	NSString *returnValue = [webView stringByEvaluatingJavaScriptFromString:script];
	NSLog(returnValue); // Hi, how are you?

	const char *path = "/path/to/repo";
	git_repository *r;
	git_repository_init(&r, path, 0);
	git_reference *git_reference;
	git_reference_lookup(&git_reference, r, "HEAD");
	// git_reference == NULL

	@interface ChildSelectedCell : UITableViewCell
	@property (nonatomic) BOOL childSelected;
	@end

	@implementation ChildSelectedCell

	- (void)setChildSelected:(BOOL)childSelected {
	if (childSelected == _childSelected) return;

	_childSelected = childSelected;

	//
	// ContentViewController.m
	//
	// Created by Johnnie Walker on 07/06/2013.
	//

	#import "ContentViewController.h"

	@interface ContentViewController () <UITableViewDataSource, UITableViewDelegate>
	@property (nonatomic, weak) UITableView *tableView;

	// StickyHeadersCollectionViewFlowLayout
	//
	// A subclass of UICollectionViewFlowLayout which has UITableView style sticky headers.
	//
	// This code is based on Evadne Wu's code^1, with the following changes:
	//
	// * Fixes a crash for sections with zero items
	// * Adds support for UIScrollView's contentInset
	// * Adds support for UICollectionViewFlowLayout's sectionInset
	//

	#import <Foundation/Foundation.h>

	#if ! __has_feature(objc_arc)
	#error This file must be compiled with ARC.
	#endif

	@interface Number : NSObject
	@property (nonatomic, readonly) NSInteger integer;
	+ (id)numberWithInteger:(NSInteger)integer;
	- (id)initWithInteger:(NSInteger)integer;

	// build a smooth CGPath from an array of CGPoints (stored as NSValues)

	- (CGMutablePathRef)newPathFromPoints:(NSArray *)points {

	CGMutablePathRef mutablePath = CGPathCreateMutable();

	NSUInteger pointCount = [points count];

	if (pointCount > 0) {
	CGPoint p0 = [points[0] CGPointValue];