AvdLee

//
//  DarwinNotificationCenter.swift
//
//  Copyright © 2017 WeTransfer. All rights reserved.
//

import Foundation

/// A Darwin notification payload. It does not contain any userInfo, a Darwin notification is purely event handling.
public struct DarwinNotification {

mikehaytm

CLASS METHODS
+[AVCaptureDevice requestAccessForMediaType:completionHandler:]
+[AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:]
+[HKCategorySample categorySampleWithType:value:startDate:endDate:]
+[HKCategorySample categorySampleWithType:value:startDate:endDate:device:metadata:]
+[HKCategorySample categorySampleWithType:value:startDate:endDate:metadata:]
+[HKCorrelation correlationWithType:startDate:endDate:objects:]
+[HKCorrelation correlationWithType:startDate:endDate:objects:device:metadata:]
+[HKCorrelation correlationWithType:startDate:endDate:objects:metadata:]
+[HKQuantitySample quantitySampleWithType:quantity:startDate:endDate:]

Ashton-W

<?xml version="1.0" encoding="UTF-8"?>
<Bucket
   type = "2"
   version = "2.0">
   <Breakpoints>

      <!-- All Exceptions -->
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.ExceptionBreakpoint">
         <BreakpointContent

evgenyneu

#!/bin/bash

#
# This script makes an empty Swift file template.
#
# Usage:
#
# sudo ./change_xcode_template
#
# or specify the Xcode app name

aorcsik

extension String {
    /// Truncates the string to length number of characters and 
    /// appends optional trailing string if longer
    func truncate(length: Int, trailing: String? = nil) -> String {
        if countElements(self) > length {
            return self.substringToIndex(advance(self.startIndex, length)) + (trailing ?? "")
        } else {
            return self
        }
    }

kristopherjohnson

import Foundation

var token: dispatch_once_t = 0
func test() {
    dispatch_once(&token) {
        println("This is printed only on the first call to test()")
    }
    println("This is printed for each call to test()")
}

nonamelive

@interface UINavigationController (DMNavigationController)

- (void)didShowViewController:(UIViewController *)viewController animated:(BOOL)animated;

@end

@interface DMNavigationController ()

@property (nonatomic, assign) BOOL shouldIgnorePushingViewControllers;

ericcj

#import <UIKit/UIKit.h>

@interface UIView (TLLayout)

@property (nonatomic, strong) NSArray *hiddenConstraints;

// set hidden and remove any constraints involving this view from its superview
- (void)hideAndRemoveConstraints;
- (void)showAndRestoreConstraints;

aras-p

// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,

krzysztofzablocki

expr -- (void)printf("[%s, %s]\n",(char *) object_getClassName(*(long*)($esp+4)), (char *) *(long *)($esp+8) )