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 …
Call a Function From Another Package or File in Go
Call Go code from another file or another package: what to import, when you do not need an import, capital letters for public functions, and how to fix typical …
Golang Interface Tutorial: Examples, Implementation, and Type Assertion
Learn interfaces in Go with simple examples, including method sets, implicit implementation, interface parameters, empty interface, any, type assertion, …
Golang Closure Function: Closures, Captured Variables, and Performance
Learn closures in Go: function values that capture outer variables, how they differ from anonymous functions, returned functions and state, goroutine loop …
Golang map and map literal: basics, global maps, and iteration
Golang map and maps in golang: map[K]V, golang map literal and make, nil map panic, comma-ok lookup, delete and range, ordered iteration via sorted keys, golang …
How to log an object in Node.js
Learning how to log an object in Node.js helps you work with objects comfortably. Although you can use multiple ways to console-log an object's content, the
Golang Anonymous Function Explained with Examples
Learn anonymous functions in Go: function literals, immediate calls, parameters and return values, variables, callbacks, closures, goroutines, and common …
Install a Python Package from GitHub with pip: branches, tags, SSH, and requirements.txt
Install Python packages from GitHub using pip: PEP 508 git URLs, branches, tags, commits, editable installs, requirements.txt, private repos over HTTPS or SSH, …
How to get all files in directory in Node.js
Node.js get all files in directory is possible with readdir() method of the fs module.
Golang Check If String Is Empty: Empty vs Blank String
Check if a string is empty in Go with s == "" or len(s) == 0, tell empty from whitespace-only strings, use strings.TrimSpace for blank input, and remember …
SOLVED: How to read env var in Node.js [With Examples]
Node.js read env var is one of the most typical yet (sometimes) challenging tasks you will do as a Node.js developer.
Create a Go Module: go mod init, go.mod, and a Small Example
Learn golang create module workflow with go mod init to generate go.mod, pick a golang module name, enable modules by default, and add a nested package plus …
Learn Node.js debugging Tips & Tricks [With Examples]
This tutorial teaches you how to get started with Node.js debugging on the terminal. You will not install any extension or package because we will utilize the
Golang return multiple values from a function
Golang return multiple values and go function return multiple values: syntax, two-value returns, mixed types, blank identifiers, (T, error), and named results.
Golang Read File (Line by Line, Entire File, Large Files Explained)
Learn how to read files in Golang using os.ReadFile, bufio.Scanner, and bufio.Reader. This guide covers reading entire files, line-by-line processing, handling …
Golang functions: syntax, parameters, returns, methods, closures, and defer
Golang function guide: overview, syntax and naming, declaring and calling, single and multiple returns, errors and pointers, pass by value vs pointer, struct …