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

957 articles

Hand-picked, most-cited tutorials — start here if you're new.

HackerRank Solution: Martix Script [Python Regex]

HackerRank Solution: Martix Script [Python Regex]

In this tutorial we will cover multiple methods to solve matrix script from hackerrank solutions.

By Bashir Alam · 5 min read
HackerRank Solution: Python Company Logo

HackerRank Solution: Python Company Logo

company logo hackerrank solution python, company logo hackerrank solution python3, hackerrank solution for …

By Bashir Alam · 4 min read
Python subprocess

Python subprocess

Learn how to use Python subprocess to run shell commands, capture output, handle errors, use timeouts, pass …

By Deepak Prasad · 13 min read
How to Remove or Uninstall a Go Package (go get, Go Modules, Tools)

How to Remove or Uninstall a Go Package (go get, Go Modules, Tools)

Learn how to remove or uninstall a Go package added with go get or go install. This guide explains how to …

By Tuan Nguyen · 7 min read
HackerRank Solution: Python Alphabet Rangoli

HackerRank Solution: Python Alphabet Rangoli

In this tutorial we cover 3 methods to solve alphabet rangloi hackerrank solution in python3. Solution-1: …

By Bashir Alam · 5 min read
HackerRank Solution: Python Nested Lists [4 Methods]

HackerRank Solution: Python Nested Lists [4 Methods]

In this tutorial we will cover 4 different methods to solve python nested list hackerrank solution using …

By Bashir Alam · 6 min read

JavaScript Promise.race (first settled promise)

JavaScript Promise.race explained: first settled promise wins, timeout patterns, empty iterable, non-Promise inputs, and how it differs from Promise.all and …

By Olorunfemi Akinlua · 4 min read · programming

Convert Degrees to Radians in JavaScript

Learn how to convert degrees to radians in JavaScript with a custom helper function, Math.PI, and positive or negative angles.

By Olorunfemi Akinlua · 2 min read · programming

How to Install Laravel on Ubuntu

This tutorial will guide you through complete steps to install Laravel on Ubuntu, covering web server setup with Apache, PHP and its extensions, database …

By Steve Alila · 7 min read · programming

Python next() Function

Learn how Python next() works with iterators, default values, StopIteration, generators, first-item lookup, and first matching item patterns.

By Deepak Prasad · 7 min read · programming

Print a list in reverse order with range()?

In this article we will learn how we can print a list in reverse order with range() in Python for which first we need to know what range() is and how it works.

By Azka Iftikhar · 4 min read · programming

Golang Fuzz Tutorial With Examples

In this guide, we'll go over the fundamentals of fuzzing in Go. We will create some fuzz tests for functions using the go command, and troubleshoot and debug

By Tuan Nguyen · 8 min read · programming

JavaScript Set add(): Add Values to a Set

Learn JavaScript Set add() with examples showing unique values, chaining, object references, has(), size, and converting a Set to an array.

By Olorunfemi Akinlua · 2 min read · programming

JavaScript Map Size: Check Number of Entries in a Map

JavaScript Map size: use map.size (not length), empty checks, and how set/delete/clear and duplicate keys change the count. Short notes after snippets describe …

By Olorunfemi Akinlua · 5 min read · programming

Less Than or Equal to Operator in JavaScript

Learn how the less than or equal to operator works in JavaScript with number, string, and type coercion examples.

By Olorunfemi Akinlua · 2 min read · programming

jQuery If Statement Examples

Learn how to use if, else if, and else logic in jQuery-driven scripts with practical condition checks and output examples.

By Olorunfemi Akinlua · 2 min read · programming

jQuery Special Characters and Escaping Selectors

Learn how to handle special characters in jQuery selectors with escapeSelector(), quoted selectors, and safe string encoding examples.

By Olorunfemi Akinlua · 2 min read · programming

JavaScript forEach vs for...in (arrays and objects)

Compare Array.prototype.forEach with for...in on objects and arrays, when for...of wins, and how to avoid enumerable-key bugs. Runnable Node snippets with short …

By Olorunfemi Akinlua · 4 min read · programming