smnh

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    [[NSNotificationCenter defaultCenter]
            addObserver:self
            selector:@selector(keyboardWillChangeFrame:)
            name:UIKeyboardWillChangeFrameNotification object:nil];
}

- (void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];

preble

//
//  Created by Adam Preble on 2/19/15.
//

/// Weak, unordered collection of objects.
public struct WeakSet<T where T: AnyObject, T: Hashable> {
    typealias Element = T
    
    /// Maps Element hashValues to arrays of Entry objects.
    /// Invalid Entry instances are culled as a side effect of add() and remove()

maciekish

#!/bin/bash
killall Xcode
xcrun -k
xcodebuild -alltargets clean
rm -rf "$(getconf DARWIN_USER_CACHE_DIR)/org.llvm.clang/ModuleCache"
rm -rf "$(getconf DARWIN_USER_CACHE_DIR)/org.llvm.clang.$(whoami)/ModuleCache"
rm -rf ~/Library/Developer/Xcode/DerivedData/*
rm -rf ~/Library/Caches/com.apple.dt.Xcode/*
open /Applications/Xcode.app