Atta Ur Rehman Shah

An introduction to Mongoose subdocuments and how to write queries to create, update, and remove subdocuments from a parent document.

An introduction to Mongoose documents and how to use Mongoose model functions to query, update, and delete documents from a MongoDB collection.

A short guide to learn about different ways to convert a string into an array using Java.

A quick guide to learn about multiple ways to convert an array of strings into a string using Java.

A quick guide to learn how to use the String.format() method and the MessageFormat class to format strings in Java.

Learn how to use the setTimeout() method to delay a JavaScript function execution for a certain amount of time.

A quick guide to learn how to pause or delay the code execution for a specific amount of time in Java.

A quick guide to learn how to programmatically terminate a Node.js application.

Learn how to use the native FS and HTTPS modules to download a file into a local folder using Node.js.

Learn about different ways to convert an integer value to a string in Java.

Learn how to use the HTML5 History API to update the browser URL without reloading the webpage in JavaScript.

A quick guide to learn how to reload the current web page with JavaScript.

A quick guide to learn how to redirect to another web page with JavaScript.

A short guide to learn how to get the current web page URL using JavaScript.

A quick guide to learn bout the JavaScript location object, and how to use it to get the current URL.

A quick guide to learn how to get the current day, month, and year from a date object in JavaScript.

A quick guide to learning about different ways to format a date object to a string in JavaScript.

Learn how to use the JavaScript trim() method to remove whitespace characters from both ends of a string.

A quick guide to learn how to replace all new line characters in a string with an HTML line break (br) tag using Java.

A quick guide to learn how to loop through an array containing objects and print each object's properties in JavaScript.

Learn how to merge or join two maps into one using java 8 Streams API and the Map.putAll() method.

A quick guide to converting a list into a comma-separated string in Java.

Learn about 3 different ways to convert a comma-separated string to a list in Java.

A quick guide to learn about 4 different methods to concatenate strings in JavaScript.

Learn how to check if an array contains duplicate values using indexOf(), set object, and iteration in JavaScript.

Learn how to use Node.js built-in modules and JavaScript functions to encode or decode a URL string in a Node.js application.

A quick guide to learn how to get the file extension from the MIME type using the Node.js path module.

A quick guide to learn how to get the file extension using Node.js.

A quick guide to learning how to convert a JavaScript date object into a UTC string.

A complete guide to learning about HTTP cookies, and how to read, write, and delete cookies using JavaScript.

A quick guide to learn how to add or remove multiple CSS classes at once from an element using JavaScript.

A quick guide to learn how to create a multi-line string in JavaScript.

An introduction to JavaScript template literals and how to use them to create a multi-line string, tagged templates, HTML templates, and more.

A quick article to learn how to retrieve the browser's time zone using JavaScript.

A quick introduction to the FormData interface and how to use it to create custom forms, upload multi-media files, and more in JavaScript.

A quick guide to learn how to upload single as well as multiple files with FormData using JavaScript.

A quick guide to learn how to how to limit the maximum number of files chosen using JavaScript.

A quick guide to learn how to iterate over a FileList object in JavaScript.

Java was continuously evolving for the past 26 years and has ended up flooding the world.

A quick guide to the reduce() method and how to use it to sum an array, flatten an array, and more in JavaScript.

A quick guide to the String.split() method in JavaScript and how to use it to split a string into an array.

A short guide to learning how to properly handle exceptions in JavaScript setTimeout and setInterval functions.

A quick guide to learn how to detect if the browser is on a mobile device with JavaScript.

A quick guide to learn how to load the external script files asynchronously in the browser using JavaScript.

A quick hack to detect when the user stops typing text in an input field using JavaScript.

A quick guide to learn how to create an object with dynamic keys by using computed property names feature in JavaScript.

A quick guide to learn about different ways of downloading a file in JavaScript.

Introducing AcquireBase, a marketplace for buying and selling internet startups for free!

A quick introduction to the JavaScript string replace() and replaceAll() methods and how to use them to replace a text in a string.

A quick guide to learn how to use computed property names to dynamically create object properties in JavaScript.