IamLizu

public class Singleton {

    private volatile static Singleton Instance();
    
    private Singleton () {}
    
    public static Singleton getInstance() {
        if (Instance == null) {
            synchronized (Singleton.class) {
                if (Instance == null) {

IamLizu

public class Singleton {
    // holds created instance of the singleton class
    private static Singleton Instance = new Singleton();
    
    // private constructor
    private Singleton () {}
    
    public static Singleton getInstance() {
        // return the created instance on all subsequent calls
        return Instance;

IamLizu

    public static synchronized Singleton getInstance() {
        // checks if instance already created
        if (Instance == null) {
            // if not create an instance
            Instance = new Singleton();
        }
        // return the created instance on all subsequent calls
        return Instance;
    }

IamLizu

using System;

namespace OOP.Singleton
{
    class Singleton
    {
        // holds the singleton instance
        private static Singleton Instance;
        public string text;

IamLizu

public class main {

    public static void main(String[] args) {
        System.out.println("Demonstrates Singleton class. Output of the two print statement bellow will be same,");
        System.out.println("because the class returned the cached instance of the second call.");
        
        // Initializing one instance of the singleton class
        Singleton one = Singleton.getInstance("One");
        // Inilializing another instance of singleton class
        Singleton two = Singleton.getInstance("Two");

IamLizu

public class Singleton {
    // holds instance of the singleton class
    private static Singleton Instance;
    public String text;
    
    // private constructor
    private Singleton (String text) {
        this.text = text;
    }
    

IamLizu

# Author: S M Mahmudul Hasan
# Website: https://www.iamlizu.com
# Programming Forum - https://discuss.codepractice.net
# Email: hasan@codepractice.net


# Syntax: ./search [filepath - the location of the dir] [term - the keyword you want to search] [limit - integer to limit results]
#!/bin/sh
filepath="$1" #here assigning a veriable is not necessary rather not suggested. 
string="$2" # "

IamLizu

# Allow access if Flarum is installed in a subdirectory,
# but another .htaccess in a higher directory denies access.

<IfModule mod_authz_core.c>
  Require all granted
</IfModule>
<IfModule !mod_authz_core.c>
  Order Allow,Deny
  Allow from all
</IfModule>

IamLizu

<?php
class WP_HTML_Compression
{
    // Settings
    protected $compress_css = true;
    protected $compress_js = true;
    protected $info_comment = true;
    protected $remove_comments = true;

    // Variables

IamLizu

How to download your Udemy course videos using youtube-dl

$ youtube-dl --list-extractors | grep udemy

Steps

1. Get link to the course to download. e.g. https://www.udemy.com/course-name/
2. Login into udemy website, save the cookie from chrome using Chrome (Cookie.txt)[1] export extension. Save it to file udemy-cookies.txt
3. Get the link of the video that you want to download. usually in format. Use the command provided below where you have to replace the {course_link} and {path_to_cookies_file} with respective paths.

$ youtube-dl {course_link} --cookies {path_to_cookies_file}