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 remove from slice: delete element by index and while iterating
Golang remove from slice and delete element from slice golang: by index with order, swap-pop without order, first element, and safe patterns while iterating.
Golang user input: Scan, Scanf, and bufio for stdin
How to take input in golang and golang get user input from stdin: fmt.Scan Scanln Scanf for typed tokens, golang read input with bufio; go read user input and …
Golang array contains specific element or not? [SOLVED]
In this tutorial we have covered different examples to cover golang array contains elements. Use for loop to check for string, int or float64 element in array …
Golang length of map: len, nil maps, and counting nested values
Golang length of map and golang map len with builtin len; golang get length of map and go length of map for key count; nil map length zero; golang size of map …
Golang iterate over array: range and for loops with len
Golang iterate over array and golang array loop with for range; golang for loop array and golang loop through array using len; go iterate over array and iterate …
Golang print type: %T, reflect, and type switches
Go print type and golang print type of variable with fmt %T; golang get type via reflect.TypeOf and Kind; pointers, interface{}, and nil; type switches; golang …
Golang Trim String: Remove Whitespace, Prefix, and Suffix
Trim strings in Go with strings.TrimSpace, strings.Trim, TrimPrefix, and TrimSuffix to remove whitespace, cutset characters, and exact prefixes or suffixes.
Golang remove duplicates from slice: dedupe and unique values
Golang remove duplicates from slice: preserve order with a map, sort then Compact for sorted unique, counts with map, and the XOR trick for one odd-count value.
Golang SHA-256: Sum256, hex, files, streams, verification, and security notes
Golang SHA-256 with crypto/sha256: Sum256 and hex, sha256.New streaming io.Copy, file checksums and verification, compare files, subtle comparison, HMAC …
Golang Time Package: time.Now, Duration, Format, and Parse Examples
Use Go time package for time.Now, time.Duration, formatting and parsing, Add and Sub, Since and Until, comparing times, Sleep, Timer, and Ticker basics, plus …
Golang generate random string Examples
Multiple examples covering golang generate random string using rand function. Generate alphanumeric, special characters, uppercase, lowercase strings
GO Import struct from another file
You can use import to import the package and then reference the struct using package.StructName wherein the name of Struct must start with Capital letters to …
How to sort a map by value in JavaScript?
Different methods to sort map by value in javascript (JS) in both ascending and descending order.
Go environment variables: getenv, setenv, lookup, go env, and .env files
Go environment variables and golang environment variables: golang get environment variable with LookupEnv, golang set environment variable with Setenv, go env …
How to loop through array in Node.js [6 Methods]
6 different methods to loop through an array in node.js. Using while loop, do- while loop, 1for loop, forEach method, for-of loop and for-in loop