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olegam / gist:8997427
Created February 14, 2014 08:08
AppCode code template to implement lazy-loaded property getters

This template let's you easily implement a property getter like this:

- (UIView *)myView {
	if (!_myView) {
		_myView = [UIView new];
	return _myView;
kluivers / .gitignore
Created February 27, 2012 11:48
.gitignore for Xcode projects
# .gitignore in use by Joris Kluivers
# Latest version:
# Xcode
Diggz / lyrics.txt
Created April 22, 2012 18:43 — forked from pjg/lyrics.txt
Piano Man by Johnny Diggz @ Railsberry
It's 8:00 o'clock on a Friday
The regular crowd shuffles in
there's an old man sitting next to me
making love to his beer
la la di di da
la la di di da
Sing us a song, you're the piano man!
sing us a song tonight
mikeash / test.m
Created July 9, 2012 21:15
Cocoa array slicing
// clang -framework Foundation -fobjc-arc -O3 test.m
#import <Foundation/Foundation.h>
@interface Slice : NSObject
@property NSInteger start;
@property NSInteger length;
@implementation Slice
# Using as example:

xcodebuild -sdk appletvsimulator -project Decodable.xcodeproj -configuration Release -scheme Decodable-tvOS ONLY_ACTIVE_ARCH=NO clean build
# This fails with
steipete / NSData+PSPDFFoundation.m
Created July 16, 2015 08:08
After playing around with dispatch_io (, I ended up with this. Upside: Uses way less memory, controllable caching, similar performance, simpler code and supports priority donation implicitly since everything's sync.
static NSData *PSPDFCalculateSHA256FromFileURL(NSURL *fileURL, CC_LONG dataLength, NSError **error) {
NSData *shaData;
int fd = open(fileURL.path.UTF8String, O_RDONLY);
if (fd < 0) {
if (error) *error = [NSError pspdf_errorWithCode:PSPDFErrorCodeUnableToOpenPDF description:@"Failed to open file for calculating SHA256."];
return nil;
steipete / UIPopoverPresentationController+PSPDFAdditions.m
Last active June 27, 2016 18:20
If you're annoyed about the incorrect arrow presentation on popovers ( use this category. Oh, and file a radar! I did.
@implementation UIPopoverPresentationController (PSPDFAdditions)
+ (void)load {
PSPDFSwizzleMethodImplementation(self, @selector(containerViewWillLayoutSubviews), ^(UIPopoverPresentationController *_self) {
// Refresh bar button view internals
[_self pspdf_updateBarButtonView];
((void( *)(id, SEL))objc_msgSend)(_self, PSPDFPrefixedSelector(containerViewWillLayoutSubviews));
odrobnik / gist:2106f26379fd609d4ed3
Created May 8, 2014 08:37
Toggle status bar and navigation bar together
- (IBAction)handleTap:(id)sender
BOOL isHiding = !_statusBarHidden;
_statusBarHidden = isHiding;
[UIView animateWithDuration:UINavigationControllerHideShowBarDuration delay:0 options:0
[self setNeedsStatusBarAppearanceUpdate];
static NSInteger NSJSONReadingFuckNSNulls = (1UL << 3);
@implementation NSJSONSerialization (FuckNulls)
+ (void)load {
Method originalMethod = class_getClassMethod(self, @selector(JSONObjectWithData:options:error:));
IMP swizzledImplementation = imp_implementationWithBlock([^id (id _self, NSData *_data, NSJSONReadingOptions _opt, NSError **_error){
NSInputStream *stream = [NSInputStream inputStreamWithData:_data];
[stream open];
steipete / UITableViewMore.m
Last active January 29, 2018 14:19
Using the "More" button. Of course the simple way that Apple uses in Mail/iOS is not public. rdar://16600859
- (NSString *)tableView:(UITableView *)tableView titleForSwipeAccessoryButtonForRowAtIndexPath:(NSIndexPath *)indexPath {
return @"More";
- (void)tableView:(UITableView *)tableView swipeAccessoryButtonPushedForRowAtIndexPath:(NSIndexPath *)indexPath {
NSLog(@"I wanted to be a pretty public API, but then time ran out and they forgot me...");
// Hide the More/Delete menu.
[self setEditing:NO animated:YES];