ole

// Type-safe date format strings using string interpolation
// Requires Swift 5.0.

import Foundation

enum DateFormatComponent {
    case era(AlphaStyle)
    case year(MinimumDigits)
    case yearForWeekOfYear(MinimumDigits)
    case quarter(AlphaNumericStyle)

lattner

Swift Concurrency Manifesto

Author: Chris Lattner

Chinese Translation by Jason Yu

Contents

• Introduction
• Overall Vision

myell0w

import Foundation
import UIKit


/// Used to create a layout guide that pins to the top of the keyboard
final class KeyboardLayoutGuide {

    private let notificationCenter: NotificationCenter
    private let bottomConstraint: NSLayoutConstraint

chriseidhof

import Foundation

// A lens is a getter and a setter combined
struct Lens<Whole, Part> {
    let get: (Whole) -> Part
    let set: (inout Whole, Part) -> ()
}

// We can create a lens from a key path
extension Lens {

AppsTitude

// I just implemented that with Swift. So I would like to share my implementation.
// First initialise an array of NSBlockOperations:
        var blockOperations: [NSBlockOperation] = []

    
// In the did change object method:
        func controller(controller: NSFetchedResultsController, didChangeObject anObject: AnyObject, atIndexPath indexPath: NSIndexPath?, forChangeType type: NSFetchedResultsChangeType, newIndexPath: NSIndexPath?) {
        
        if type == NSFetchedResultsChangeType.Insert {
            println("Insert Object: \(newIndexPath)")

kristopherjohnson

import Foundation

/// Protocol for NSLocking objects that also provide tryLock()
public protocol TryLockable: NSLocking {
    func tryLock() -> Bool
}

// These Cocoa classes have tryLock()
extension NSLock: TryLockable {}
extension NSRecursiveLock: TryLockable {}

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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asmallteapot

*.strings utf16 diff=localizablestrings

sebreh

#import <CoreData/CoreData.h>
 
@interface NSManagedObjectContext (SRFetchAsync)
 
- (void)sr_executeFetchRequest:(NSFetchRequest *)request completion:(void (^)(NSArray *objects, NSError *error))completion;
 
@end