kylestew

#import "NSObject+PWObject.h"

@implementation NSObject (PWObject)

- (void)performBlock:(void (^)(void))block afterDelay:(NSTimeInterval)delay {
    int64_t delta = (int64_t)(1.0e9 * delay);
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, delta), dispatch_get_main_queue(), block);
}

@end

mayoff

static UIImage *imageWithSize(CGSize size) {
    static CGFloat const kThickness = 20;
    static CGFloat const kLineWidth = 1;
    static CGFloat const kShadowWidth = 8;

    UIGraphicsBeginImageContextWithOptions(size, NO, 0); {
        CGContextRef gc = UIGraphicsGetCurrentContext();
        CGContextAddArc(gc, size.width / 2, size.height / 2,
            (size.width - kThickness - kLineWidth) / 2,
            -M_PI / 4, -3 * M_PI / 4, YES);

bomberstudios

NOTE: the list has moved to https://github.com/sketchplugins/plugin-directory

Sketch Plugins

A list of Sketch plugins hosted at GitHub, in no particular order.

• brandonbeecroft/Lorem-Ipsum-Plugin-for-Sketch This is a plugin for quickly creating Lorem Ipsum text in Sketch
• sebj/Sketch Templates and Plugins for Sketch by Bohemian Coding
• FredericJacobs/crop_Artboard A script to export the Sketch App artboards to the clipboard
• almonk/SketchGit A simple Git client built right into Sketch.

raven

<?xml version="1.0" encoding="UTF-8"?>
<Bucket
   type = "2"
   version = "2.0">
   <Breakpoints>
      <BreakpointProxy
         BreakpointExtensionID = "Xcode.Breakpoint.SymbolicBreakpoint">
         <BreakpointContent
            shouldBeEnabled = "Yes"
            ignoreCount = "0"

fjcaetano

var randomNumbers = [42, 12, 88, 62, 63, 56, 1, 77, 88, 97, 97, 20, 45, 91, 62, 2, 15, 31, 59, 5]

func partition(v: Int[], left: Int, right: Int) -> Int {
    var i = left
    for j in (left + 1)..(right + 1) {
        if v[j] < v[left] {
            i += 1
            (v[i], v[j]) = (v[j], v[i])
        }
    }

nicklockwood

Hacking UIView animation blocks for fun and profit

In this article, I'm going to explore a way that we can create views that implement custom Core Animation property animations in a natural way.

As we know, layers in iOS come in two flavours: Backing layers and hosted layers. The only difference between them is that the view acts as the layer delegate for its backing layer, but not for any hosted sublayers.

In order to implement the UIView transactional animation blocks, UIView disables all animations by default and then re-enables them individually as required. It does this using the actionForLayer:forKey: method.

Somewhat strangely, UIView doesn't enable animations for every property that CALayer does by default. A notable example is the layer.contents property, which is animatable by default for a hosted layer, but cannot be animated using a UIView animation block.

irace

//
//  ViewController.m
//  PopoverPresentationControllerExample
//
//  Created by Bryan Irace on 8/8/14.
//  Copyright (c) 2014 Bryan Irace. All rights reserved.
//

#import "CustomCompactPresentationController.h"
#import "ViewController.h"

jpsim

////////////////////////////////////////////////////////////////////////////
//
// Copyright 2014 Realm Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//

alvesjtiago

# Run the following code on a folder that contains all your images
for f in *.png; do convert "$f" -background white -alpha remove -flatten -alpha off "$f"; done

twostraws

//
//  SimpleScrollingStack.swift
//  A super-simple demo of a scrolling UIStackView in iOS 9
//
//  Created by Paul Hudson on 10/06/2015.
//  Learn Swift at www.hackingwithswift.com
//  @twostraws
//

import UIKit