dasdom

NSString *languageGuessedString;
    
if (postString.length < 60) {
  languageGuessedString = nil;
} else {
  NSArray *componentsArray = [postString componentsSeparatedByString:@" "];
  NSMutableString *mutablePostString = [NSMutableString string];
  for (NSString *string in componentsArray) {
    if ([string rangeOfString:@"@"].location != NSNotFound) {
      continue;

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- (void)panHappend:(UIPanGestureRecognizer*)sender 
{
  if (sender.state == UIGestureRecognizerStateBegan) 
  {
    self.startRange = self.postTextView.selectedRange;
  }
    
  NSRange selectedRange = {MAX(self.startRange.location+(NSInteger)([sender translationInView:self.view].x/8.0f), 0), 0};
  self.postTextView.selectedRange = selectedRange;
}

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#!/usr/bin/perl -w
 
use strict;
 
if (not defined($ARGV[1])) {
    die "usage: $0 <class name> <file with property names>\n";
}
 
open(PROP, $ARGV[1]) || die "could not open property names file: $!\n";
 

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import UIKit

let makeButton = { (title: String) -> UIButton in
  let button = UIButton.buttonWithType(.System) as UIButton
  button.setTranslatesAutoresizingMaskIntoConstraints(false)
  button.layer.cornerRadius = 5
  button.layer.borderWidth = 1.0
  button.layer.borderColor = UIColor.yellowColor().CGColor
  button.setTitle(title, forState: .Normal)
  return button

dasdom

import AddressBookUI

let picker = ABPeoplePickerNavigationController()
picker.peoplePickerDelegate = self
presentViewController(picker, animated: true, completion: nil)

dasdom

import UIKit

@objc protocol TransitionInfoProtocol {
    var view: UIView! { get set }
    func viewsToAnimate() -> [UIView]
    func copyForView(subView: UIView) -> UIView
    
    optional func frameForView(subView: UIView) -> CGRect
}

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// in a UITableViewController (or any other view controller with a UITableView)

- (void)viewWillTransitionToSize:(CGSize)size withTransitionCoordinator:(id<UIViewControllerTransitionCoordinator>)coordinator
{
    UIView *header = [[UIView alloc] initWithFrame:CGRectMake(0, 0, size.width, 0)];
    header.translatesAutoresizingMaskIntoConstraints = NO;
    
    // [add subviews and their constraints to header]

    NSLayoutConstraint *headerWidthConstraint = [NSLayoutConstraint 

dasdom

Generate the list yourself:

$ cd /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS*.sdk/System/Library/Frameworks/UIKit.framework/Headers
$ grep -H UI_APPEARANCE_SELECTOR ./* | sed 's/ __OSX_AVAILABLE_STARTING(__MAC_NA,__IPHONE_5_0) UI_APPEARANCE_SELECTOR;//'

---

UIActivityIndicatorView

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// Just before switching jobs:
// Add one of these.
// Preferably into the same commit where you do a large merge.
//
// This started as a tweet with a joke of "C++ pro-tip: #define private public",
// and then it quickly escalated into more and more evil suggestions.
// I've tried to capture interesting suggestions here.
//
// Contributors: @r2d2rigo, @joeldevahl, @msinilo, @_Humus_,
// @YuriyODonnell, @rygorous, @cmuratori, @mike_acton, @grumpygiant,

dasdom

@IBOutlet weak var labelTopConstraint: NSLayoutConstraint!
@IBOutlet weak var labelUsernameConstraint: NSLayoutConstraint!
@IBOutlet weak var usernamePasswordConstraint: NSLayoutConstraint!
@IBOutlet weak var passwordButtonConstraint: NSLayoutConstraint!