dmsl1805

extension String {
  
  func snakeCased() -> String? {
    let pattern = "([a-z0-9])([A-Z])"

    let regex = try? NSRegularExpression(pattern: pattern, options: [])
    let range = NSRange(location: 0, length: count)
    return regex?.stringByReplacingMatches(in: self, options: [], range: range, withTemplate: "$1_$2").lowercased()
  }
}

mbuchetics

import Foundation
import CoreGraphics
import UIKit

extension UIBezierPath {
    
    convenience init?(quadCurve points: [CGPoint]) {
        guard points.count > 1 else { return nil }
        
        self.init()

mackuba

Here's my own list of the interesting stuff announced during this year's WWDC, collected from the keynotes, various Apple docs, blog posts and tweets.

If you're planning to watch the videos, I really recommend this Mac app that helps you download and watch them: https://github.com/insidegui/WWDC.

OS X El Capitan

http://www.apple.com/osx/elcapitan-preview/

• split view - two apps side by side on full screen

acj

//
//  TrimVideo.swift
//  VideoLab
//
//  Created by Adam Jensen on 3/28/15.
//  Updated for Swift 5 (tested with Xcode 10.3) on 7/30/19.
//  MIT license
//

import AVFoundation

sebastienwindal

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
{
    cell.backgroundColor = [UIColor clearColor];
}

sebastienwindal

-(void) action:(UIButton *)sender
{
    CGRect buttonFrame = [sender convertRect:sender.bounds toView:self.tableView];
    
    NSIndexPath *indexPath = [self.tableView indexPathForRowAtPoint:buttonFrame.origin];
    
    ...
}

sebastienwindal

#pragma mark NSFetchedResultsControllerDelegate

-(void) controllerWillChangeContent:(NSFetchedResultsController *)controller
{
    [self.tableView beginUpdates];
}

-(void) controllerDidChangeContent:(NSFetchedResultsController *)controller
{
    [self.tableView endUpdates];

steipete

// Taken from the commercial iOS PDF framework http://pspdfkit.com.
// Copyright (c) 2014 Peter Steinberger, PSPDFKit GmbH. All rights reserved.
// Licensed under MIT (http://opensource.org/licenses/MIT)
//
// You should only use this in debug builds. It doesn't use private API, but I wouldn't ship it.

// PLEASE DUPE rdar://27192338 (https://openradar.appspot.com/27192338) if you would like to see this in UIKit.

#import <objc/runtime.h>
#import <objc/message.h>