byJeevan

NotificationCenter.default.addObserver(self, selector: #selector(keyboardWasShown(notification:)), name: NSNotification.Name.UIKeyboardWillShow, object: nil) 
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillBeHidden(notification:)), name: NSNotification.Name.UIKeyboardWillHide, object: nil) }

byJeevan

/* 1. Extending protocol from default implementation */
extension SomeType {
   // new functionality to add to SomeType goes here
}

/* 2. Adopting Multiple Protocols */
extension SomeType: SomeProtocol, AnotherProtocol {
   // implementation of protocol requirements goes here
}

byJeevan

//To show touch impression in simulator
//Note: Restart simulator after executing
defaults write com.apple.iphonesimulator ShowSingleTouches 1

//To record video in the simulator
//Note : Close simulator and run command
xcrun simctl io booted recordVideo ~/Desktop/record_file_name.mp4

//To show hidden files in the mac

byJeevan

#!/bin/sh

#*****Reading ******#
#From user
read -p "Enter Name: " userName
echo $userName

#From text file - line by line
while read line; do
echo $line

byJeevan

#!/bin/sh
#Script will print all the keys in the Localization.string file from Xcode.
#First we have to copy the content and paste into a text file.
echo "***START***"
#Read line by line
while read line; do
#Convert string (by split with ;) to array
IFS='=' read -ra itemArray <<< "$line"
#Print first item in the array
for i in "${itemArray[0]}"; do

byJeevan

if #available(iOS 12.0, *) {
    _yourOTPTextField.textContentType = .oneTimeCode
}

byJeevan

let styles: [UIFontTextStyle] = [
    // iOS 11
    .largeTitle,
    // iOS 9
    .title1, .title2, .title3, .callout,
    // iOS 7
    .headline, .subheadline, .body, .footnote, .caption1, .caption2,
]

for style in styles {

byJeevan

//Custom class
class ExclusiveCollectionView : UIView, UICollectionViewDelegate, UICollectionViewDataSource {
    
    @IBOutlet weak var exCollectionView: UICollectionView!
        
    //Inits
 
    class func instanceFromNib() -> ExclusiveCollectionView {
        return UINib(nibName: "ExclusiveCollectionView", bundle: nil).instantiate(withOwner: nil, options: nil)[0] as! ExclusiveCollectionView
    }

byJeevan

import UIKit
import WebKit

class ViewController: UIViewController, WKNavigationDelegate {

    @IBOutlet weak var demoWebView: WKWebView!
    override func viewDidLoad() {
        super.viewDidLoad()
   
        let url = URL(string: "https://ioscreator.com")!

byJeevan

/* Sample code to connect MySQL DB in NodeJS
 * Table name: user
 * Test Result : Pass
 * Pre-requesties : NodeJS installed with Express, MySql dependencies.
 */
	 var express    = require("express")
	 var mysql      = require('mysql')
	 var app = express()