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 …
Golang json omitempty: meaning, zero values, and nested structs
Golang json omitempty and omitempty meaning in encoding/json; golang omitempty with strings, numbers, pointers; why omitempty has no effect omitting nested …
Golang print struct: fmt verbs, pretty JSON, and type names
Print struct golang and go print struct with fmt.Printf verbs (%v %+v %#v), golang pretty print struct via encoding/json, golang print type of variable with %T …
Golang queue: FIFO slice, container/list, and channels
Golang queue implementation for FIFO: slice append and reslice, golang fifo queue memory notes, container/list, buffered channel go queue, generics helpers, …
Create a Unique Array in JavaScript
Learn how to create a unique array in JavaScript with Set, filter(), and findIndex() examples, including how to remove duplicate objects by key.
Math.pow() and Power Operator in JavaScript
Learn how to use Math.pow() and the exponentiation operator in JavaScript with Number, BigInt, and practical power examples.
Round Down a Number in JavaScript
Learn how to round down numbers in JavaScript with Math.floor(), Math.trunc(), and comparison with Math.round() examples.
JavaScript check if string contains space or whitespace (indexOf, RegExp, trim)
Check if a string contains spaces in JavaScript: literal U+0020 vs Unicode whitespace, indexOf and includes, RegExp \s, trim for ends-only emptiness, and NBSP …
Pair Sum LeetCode Solution in JavaScript
Learn how to solve the LeetCode pair sum problem in JavaScript with brute force and hash map examples, plus tested output.
Objects are not valid as a React child
Learn why React throws objects are not valid as a React child, how to fix it, and how to render objects safely in JSX.
JavaScript textContent: Read and Update DOM Text
Learn JavaScript textContent to read, update, and clear text in DOM elements, plus compare textContent with innerText and innerHTML.
Using golang constants in struct
In general, golang does not allow declaring a constant struct and constant within a struct. But we can use a custom function to perform this purpose
go.mod file not found in current directory or any parent directory — fix
Fix go.mod file not found in current directory or any parent directory and go: go.mod file not found errors: how Go walks up for go.mod, cd to module root, go …
Learn Golang Chi to Master the Craft of Web Services
Discover the transformative power of Golang Chi in web development. Our comprehensive guide provides insights and practical knowledge, equipping you to create …
Golang Write to File, Append & Create File (os.WriteFile, OpenFile Examples)
Learn how to write, append, and create files in Golang using os.WriteFile and os.OpenFile. This practical guide covers file writing, appending data, creating …
Golang Generics Explained (Functions, Structs, JSON & Real Examples)
Learn Golang generics with practical examples including generic functions, structs, interfaces, and JSON parsing. This guide explains type parameters, …