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 Timing Events with setTimeout and setInterval
Learn JavaScript timing events with setTimeout(), setInterval(), clearTimeout(), clearInterval(), and practical examples for delayed code.
Wait for Async Function to Finish in JavaScript
Learn how to wait for an async function to finish in JavaScript with await, then(), Promise.all(), and practical output examples.
JavaScript CSV to array: read & parse CSV into arrays (browser & Node.js)
javascript csv to array and read csv file into array: 1D lists, 2D row arrays, and header-keyed objects; javascript parse csv with split for simple data, BOM …
HashSet in JavaScript (`Set`, uniqueness, Map vs dedupe)
Hashset JavaScript and js hashset: use Set for unique values like a HashSet, add/has/delete, SameValueZero and NaN, object identity, dedupe arrays with spread, …
replaceAll() with Regex in JavaScript
Learn how to use replaceAll() with regex in JavaScript with string replacement, regex patterns, and callback examples.
JavaScript check if string is number (Number.isFinite, isNaN, parseInt)
Validate numeric strings in JavaScript: whole-token checks with trim + Number.isFinite, global isNaN pitfalls, parseInt prefix behavior, integers, strict regex …
JavaScript String Contains: includes(), indexOf(), and Regex
Learn how to check if a JavaScript string contains a substring using includes(), indexOf(), regular expressions, position checks, and case-insensitive search.
How to save form data in MySQL table Node.js?
This tutorial shows you how to Node.js save form data in MySQL table step-by- step. We will install and configure MySQL on the local machine before creating a
How to slice dictionary in Python? [SOLVED]
In this article, we will see one of the most asked and confusing problems: slicing a dictionary in Python. Slicing a dictionary means obtaining the subsets of
Go Import Underscore Explained: Blank Imports and Side Effects
Learn why Go uses underscore before an import path, how blank imports work, when packages are imported for side effects, and how this relates to unused import …
Golang get current directory, cwd, and path: os.Getwd, Getwd, Executable
Golang get current directory and golang get cwd: os.Getwd for golang get current working directory and golang get pwd, golang print current directory, golang …
Golang HTTP POST JSON: send a post request with a JSON body in Go
Golang http post json and golang post request with json body using net/http: http.NewRequest with bytes.Reader, Content-Type application/json, json.Marshal, and …
Golang HTML to Text: Strip Tags, Parse HTML, and Convert HTTP Body
Convert HTML to text in Go, strip HTML tags, read HTTP response body with io.ReadAll, parse HTML with golang.org/x/net/html, extract body text or body HTML, and …
Golang cobra Tutorial [With Examples]
Golang is a perfect programming language for creating CLI applications. In today's post, I will introduce you Cobra - a library for creating powerful modern
Golang multiply duration by integer: int to time.Duration
Golang multiply time duration and fix mismatched types int and time.Duration; golang int to time.Duration with time.Duration(n)*time.Second; constants; golang …