TheCodedSelf

// Set title text
self.navigationItem.title = "Title"

// Set title text color
let desiredColor = UIColor.whiteColor()
navigationController!.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName : desiredColor]

// Set back bar button item title
let backButton = UIBarButtonItem(title: "Back", style: .Plain, target: nil, action: nil)
self.navigationItem.backBarButtonItem = backButton

TheCodedSelf

// Random number between 0 and n
let n = 42
let randomNumber = Int(arc4random_uniform(n))

// Instantiate a view controller that exists in a storyboard
let storyboardName = "Main"
let storyboard = UIStoryboard(name: storyboardName, bundle: nil)

let storyboardIdForViewController = "MyVC" // Specified in IB on the specific view controller instance
let myVc: MyViewController = storyboard.instantiateViewControllerWithIdentifier(storyboardIdForViewController) as! MyViewController

TheCodedSelf

#!/bin/bash
#
# Opens any xcworkspace or xcodeproj found in the current directory in Xcode.
#

openfile () (
  file="$1"
  echo "Opening $file";
  open $file;
)

TheCodedSelf

int main(int argc, char *argv[]) {
    @autoreleasepool {
        @try {
            return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
        } @catch (NSException *exception) {
#if DEBUG
            NSLog(@"\n\n********************");
            NSLog(@"UNHANDLED EXCEPTION:");
            NSLog(@"%@", exception);
            NSLog(@"Stack trace: %@", [exception callStackSymbols]);

TheCodedSelf

import UIKit

extension UIView
{

	func shake()
	{
		let shakeAngle = (5 * M_PI) / 360

		let shakeRotation = CAKeyframeAnimation(keyPath: "transform.rotation")

TheCodedSelf

import urllib2, re

def find_email(url):
    hdr = {'User-Agent': 'Mozilla/5.0'}
    req = urllib2.Request(url, headers=hdr)
    try:
        f = urllib2.urlopen(req)
        s = f.read()
        emails = re.findall(r"[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}",s)
        return emails

TheCodedSelf

import RxSwift

func submit(number: Int) {
    let validateAndPerformServiceCallIfSuccessful = performValidation(numberThatShouldBeEven: number)
        .flatMap { () -> Observable<Void> in
            print("Validated successfully")
            return performServiceCall() // For any .next events from performValidation, perform the service call
        }
    
    // By subscribing, validation is performed and the service call is executed for any .next events from performValidation

TheCodedSelf

let actionButton = NSPopUpButton(frame: .zero, pullsDown: true)

view.addSubview(actionButton)
actionButton.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
  actionButton.centerXAnchor.constraint(equalTo: view.centerXAnchor),
  actionButton.centerYAnchor.constraint(equalTo: view.centerYAnchor)
  ])

["Option 1", "Option 2", "Option 3"].forEach(actionButton.addItem)

TheCodedSelf

import UIKit

struct ImageStore {
    
    static func delete(imageNamed name: String) {
        guard let imagePath = ImageStore.path(for: name) else {
            return
        }
        
        try? FileManager.default.removeItem(at: imagePath)

TheCodedSelf

@IBAction private func startToastAnimation(_ sender: Any) {
    
    let toastView = createToastView()
    view.addSubview(toastView)
    animate(toastView: toastView)
}

private func createToastView() -> UIView {
    // 1.
    let toastViewHeight = CGFloat(80)