kean
/ cd_progressive_migration.m
Last active
June 19, 2016 09:42
Tricking Core Data Into Performing Progressive Migrations
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| + (BOOL)migrateStoreAtURL:(NSURL *)storeURL | |
| models:(NSArray<NSManagedObjectModel *> *)moms // @[ mom_v1, mom_v2, mom_v3 ... ]; | |
| error:(NSError **)error { | |
| // Find an index of the current store's mom | |
| NSDictionary *meta = [NSPersistentStoreCoordinator metadataForPersistentStoreOfType:NSSQLiteStoreType URL:storeURL error:error]; | |
| if (!meta) { | |
| return NO; | |
| } | |
| NSInteger idx = [moms indexOfObjectPassingTest:^BOOL(NSManagedObjectModel * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { | |
| return [obj isConfiguration:nil compatibleWithStoreMetadata:meta]; |
macguru
/ MXSEventTrackingWindow.h
Created
September 2, 2016 10:47
Tell if a user interaction is currently happening though a touch event in a view's window or something else – like an external keyboard or interaction in a different window (keyboard window). Example use: check if selection change was through touch or external keyboard.
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| // | |
| // MXSEventTrackingWindow.h | |
| // | |
| // Created by Max Seelemann on 01.09.16. | |
| // Copyright © 2016 The Soulmen. All rights reserved. | |
| // | |
| /*! | |
| @abstract Special window class used for advanced event processing. | |
| */ |
soffes
/ BaseTextStorage.swift
Last active
July 1, 2023 10:14
Fast, concrete text storage intended to be subclassed.
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| import UIKit | |
| /// Fast, concrete text storage intended to be subclassed. | |
| class BaseTextStorage: NSTextStorage { | |
| // MARK: - Properties | |
| private let storage = NSMutableAttributedString() | |
| // MARK: - NSTextStorage |
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| Essential Xcode Shortcuts | |
| 🇺🇸 Keyboard | |
| ⌘ B Build | |
| ⌘ R Run | |
| ⌘ U Run Test | |
| ⇧ ⌘ K Clean | |
| ⌥ ⇧ ⌘ K Clean Build Folder | |
| ⇧ ⌘ O Open quickly |
mbbischoff
/ LCKConcurrentOperation.m
Created
May 6, 2017 17:24
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| // | |
| // LCKConcurrentOperation.m | |
| // LCKOperations | |
| // | |
| // Created by Twig on 12/19/13. | |
| // Copyright (c) 2013 Lickability. All rights reserved. | |
| // | |
| #import "LCKConcurrentOperation.h" |
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| 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 { |
chriseidhof
/ kvo-binding.swift
Created
September 11, 2017 13:21
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| import Foundation | |
| final class Sample: NSObject { | |
| @objc dynamic var name: String = "" | |
| } | |
| class MyObj: NSObject { | |
| @objc dynamic var test: String = "" | |
| } | |
| extension NSObjectProtocol where Self: NSObject { |
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| import Foundation | |
| // Alternatives to `Scanner` (before: `NSScanner`). | |
| // A scanner only needs a way to peek and to move to the next token. | |
| protocol ScannerProtocol { | |
| associatedtype Token: Equatable | |
| var peek: Token? { get } | |
| mutating func moveToNextToken() |
zats
/ emojis.swift
Created
September 17, 2017 18:24
All emojis available in iOS 11.0 including lookup categories for gender and skin-tone dependent
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| let emojis: [String: [String]] = [ | |
| // +[EMFEmojiCategory TravelAndPlacesEmoji] | |
| "travel": ["🚗", "🚕", "🚙", "🚌", "🚎", "🏎", "🚓", "🚑", "🚒", "🚐", "🚚", "🚛", "🚜", "🛴", "🚲", "🛵", "🏍", "🚨", "🚔", "🚍", "🚘", "🚖", "🚡", "🚠", "🚟", "🚃", "🚋", "🚞", "🚝", "🚄", "🚅", "🚈", "🚂", "🚆", "🚇", "🚊", "🚉", "🚁", "🛩", "✈️", "🛫", "🛬", "🚀", "🛰", "💺", "🛶", "⛵️", "🛥", "🚤", "🛳", "⛴", "🚢", "⚓️", "🚧", "⛽️", "🚏", "🚦", "🚥", "🗺", "🗿", "🗽", "⛲️", "🗼", "🏰", "🏯", "🏟", "🎡", "🎢", "🎠", "⛱", "🏖", "🏝", "⛰", "🏔", "🗻", "🌋", "🏜", "🏕", "⛺️", "🛤", "🛣", "🏗", "🏭", "🏠", "🏡", "🏘", "🏚", "🏢", "🏬", "🏣", "🏤", "🏥", "🏦", "🏨", "🏪", "🏫", "🏩", "💒", "🏛", "⛪️", "🕌", "🕍", "🕋", "⛩", "🗾", "🎑", "🏞", "🌅", "🌄", "🌠", "🎇", "🎆", "🌇", "🌆", "🏙", "🌃", "🌌", "🌉", "🌁"], | |
| // +[EMFEmojiCategory NatureEmoji] | |
| "nature": ["🐶", "🐱", "🐭", "🐹", "🐰", "🦊", "🐻", "🐼", "🐨", "🐯", "🦁", "🐮", "🐷", "🐽", "🐸", "🐵", "🙈", "🙉", "🙊", "🐒", "🐔", "🐧", "🐦", "🐤", "🐣", "🐥", "🦆", "🦅", "🦉", "🦇", "🐺", "🐗", "🐴", "🦄", "🐝", "🐛", "🦋", "🐌", "🐚", "🐞", "🐜", "🕷", "🕸", "🐢", "🐍", "🦎", "🦂", "🦀", "🦑", "🐙", "🦐", "🐠", "🐟", "🐡", "🐬", "🦈 |
frankrausch
/ String+Hyphenation.swift
Last active
June 15, 2023 16:45
Returns a String with soft hyphens (U+00AD)
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| import Foundation | |
| extension String { | |
| func hyphenated(languageCode: String) -> String { | |
| let locale = Locale(identifier: languageCode) | |
| return self.hyphenated(locale: locale) | |
| } | |
| func hyphenated(locale: Locale) -> String { |