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
Featured guides in this category
Hand-picked, most-cited tutorials — start here if you're new.
![HackerRank Solution: Martix Script [Python Regex]](/matrix-script-hackerrank-solution/python_matrix_script_hu_128db40108208303.webp)
HackerRank Solution: Martix Script [Python Regex]
In this tutorial we will cover multiple methods to solve matrix script from hackerrank solutions.

HackerRank Solution: Python Company Logo
company logo hackerrank solution python, company logo hackerrank solution python3, hackerrank solution for …

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

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 …

HackerRank Solution: Python Alphabet Rangoli
In this tutorial we cover 3 methods to solve alphabet rangloi hackerrank solution in python3. Solution-1: …
![HackerRank Solution: Python Nested Lists [4 Methods]](/python-nested-list-hackerrank-solution/python_nested_lists_hu_3ed8216f6e7dce26.webp)
HackerRank Solution: Python Nested Lists [4 Methods]
In this tutorial we will cover 4 different methods to solve python nested list hackerrank solution using …
JavaScript Subclass with extends and super()
Learn JavaScript subclassing with class extends, super(), method overriding, instanceof checks, and prototype-based inheritance examples.
JavaScript Optional Parameters and Default Values
JavaScript optional parameters: default parameters, undefined vs null, options objects, destructuring defaults, and arguments.length patterns.
JavaScript Nested Functions: Inner Function and Closure Examples
JavaScript nested functions: inner functions, scope, closures, private helpers, and when nesting stays readable.
JavaScript classes tutorial (constructor, methods, static, extends)
JavaScript classes: constructor, instance methods, getters, static methods, extends and super, public fields, and private # fields. Runnable Node snippets with …
Spread Operator in JavaScript with Examples
Learn how the JavaScript spread operator works in function calls, arrays, and objects with practical examples.
JavaScript destructuring: arrays, objects, defaults, and function params
javascript destructuring and destructuring assignment: array destructuring javascript (order, skip, rest, defaults), object destructuring javascript (rename, …
JavaScript arguments object vs parameters: strict mode, rest, and args
How the javascript arguments object works: args javascript, javascript arguments object vs parameters, sloppy-mode aliasing, strict mode, default parameters, …
JavaScript arrow function: fat arrow syntax, this, return object, tutorial
How arrow functions work in JavaScript: js arrow function, arrow function javascript, javascript fat arrow => syntax, concise vs block body, js arrow function …
Convert an array to a string in JavaScript (join, toString, JSON)
Convert array to string in JavaScript with join, toString, String(), toLocaleString, JSON.stringify, reduce, or loops—with example output and common pitfalls …
HackerRank Solution: Martix Script [Python Regex]
In this tutorial we will cover multiple methods to solve matrix script from hackerrank solutions.
HackerRank Solution: Validating Postal Codes Python
A valid postal code P have to fullfil both below requirements:
HackerRank Solution: The Minion Game
In this tutorial we will share multiple solutions for the minion game from hackerrank.
Golang log to file, stdout, and syslog with the standard log package
Golang log to file with os.OpenFile and log.SetOutput; golang log to file and stdout using io.MultiWriter; golang log syslog on Linux; go import log and golang …
Print Function, File Name, Line Number in GO
In this tutorial we will share different methods to print or get logrus line number, file name, function name of the go code.
Get Current Time in Milliseconds in Go (UnixMilli and Alternatives)
Convert time.Time to Unix milliseconds with UnixMilli, derive ms from UnixNano, or use Duration.Milliseconds after Sub; know int64 range limits from the time …
