Category

Programming Tutorials and Coding Guides

Explore programming tutorials with practical examples across multiple languages, scripting, and development concepts for beginners and advanced users.

Welcome to the Programming tutorials section, where you will learn coding concepts with real-world examples across multiple languages and platforms.

This category includes beginner to advanced guides covering scripting, automation, and application development. Whether you are learning programming for system administration or building applications, these tutorials will help you gain practical experience.

Programming plays a crucial role in modern infrastructure and DevOps workflows. You can also explore related topics such as DevOps and Linux to understand how programming integrates with system-level operations.

What you will learn

  • Core programming concepts and logic building
  • Writing scripts for automation and system tasks
  • Debugging and optimizing code
  • Practical use cases in real environments

Who should read this

  • Beginners starting with coding
  • System administrators learning scripting
  • Developers looking for practical examples

960 articles

How to find GCD in JavaScript? [SOLVED]

In this article, we will discuss the how to find GCD in JavaScript using recursion and a NodeJS library.

By olorunfemiakinlua · 4 min read · programming

How to trim String in JavaScript? [SOLVED]

In JavaScript, the trim method is a built-in method of the String prototype that is used to remove whitespace from the beginning and end of a string. This

By olorunfemiakinlua · 2 min read · programming

How to create JavaScript Dictionary? [SOLVED]

In JavaScript, a dictionary (also known as a map or associative array) is a data structure that is used to store key-value pairs. A dictionary allows you to

By olorunfemiakinlua · 4 min read · programming

How to perform string replaceAll() in JS? [SOLVED]

The JavaScript replaceAll method is a string method that allows you to search for a specified pattern in a string and replace it with another string. This

By olorunfemiakinlua · 3 min read · programming

How to use JavaScript Await Keyword? [SOLVED]

The await keyword is a feature of the ECMAScript 2017 (ES8) standard, and it is used to pause the execution of an asynchronous function until a promise is

By olorunfemiakinlua · 3 min read · programming

How to use JavaScript Math.random() Method? [SOLVED]

The Math object is a built-in object in JavaScript that provides a variety of mathematical functions and constants. These functions and constants can be used

By olorunfemiakinlua · 3 min read · programming

How to use JavaScript toLowerCase()? [SOLVED]

In JavaScript, a "string" is a data type that represents a sequence of characters. Strings are used to store and manipulate text, and they are often used to

By olorunfemiakinlua · 2 min read · programming

How to do JavaScript Array Slicing? [SOLVED]

Array slicing is a common operation in JavaScript that is used to extract a section of an array and return it as a new array. This is often done to access or

By olorunfemiakinlua · 5 min read · programming

How to use JavaScript join() Method? [SOLVED]

In JavaScript, the join method is a built-in method of the Array prototype that is used to create a string from the elements of an array. This method is often

By olorunfemiakinlua · 3 min read · programming

How to use JavaScript querySelector()? [SOLVED]

In JavaScript, the querySelector method is a built-in method of the Document and Element prototypes that is used to select an element from an HTML document

By olorunfemiakinlua · 4 min read · programming

How to use JavaScript parseFloat()? [SOLVED]

parseFloat() is an internal JavaScript function that takes a string and turns it into a floating-point number (a number with decimal places).

By olorunfemiakinlua · 2 min read · programming

How to use JavaScript startsWith() Method? [SOLVED]

The startsWith() method in JavaScript is used to check if a string begins with a specified string or character. This method returns a Boolean value,

By olorunfemiakinlua · 2 min read · programming

How to create JavaScript Linked List? [SOLVED]

A linked list is a data structure that consists of a group of nodes that together represent a sequence. Each node in a linked list contains data and a

By olorunfemiakinlua · 7 min read · programming

Understanding findIndex() Method in JavaScript

The findIndex() method in JavaScript is used to search an array for an element that matches a specific condition, and returns the index of the first element

By olorunfemiakinlua · 4 min read · programming