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 …
Hackerrank Solution: Validating credit card numbers in Python
validating credit card numbers hackerrank solution, validating credit card numbers hackerrank solution python, validating credit card numbers hackerrank …
SOLVED: Mask password with asterisk from console in Java
2 different ways to mask password with asterisk from console input in Java. Hide password with asterisk in Java. Display asterisk instead of password in Java …
Golang global variables: package scope, exports, structs, and pitfalls
Golang global variable and golang global variables: package-level var, global variable declaration golang, golang globals and go global variables, golang global …
Hackerrank Solution: Map and lambda function in Python
map and lambda function hackerrank solution, Python program to print fibonacci series using lambda function, python - How to write the Fibonacci Sequence, Print …
Hackerrank Solution: Validating Email With a filter in Python
hackerrank valid email address regex, validating email addresses with a filter hackerrank solution, valid email address hackerrank, valid email address …
Golang Concurrency Explained with Best Practices
The best practices of using golang concurrency with examples and best practicies. gorutine leak, atomic, mutex, waitgroup
HackerRank Solution: Python Company Logo
company logo hackerrank solution python, company logo hackerrank solution python3, hackerrank solution for company logo in python
Check if an array is empty in JavaScript
Check if array is empty in JavaScript with length, Array.isArray, optional chaining, and loop patterns—plus pitfalls (array-like objects, sparse arrays). …
Check if file or directory exists in Node.js
Check synchronously if file/directory exists in Node.js, How to check whether a directory exists in node.js?, NodeJs: fs.stat() or fs.access() to check if a …
Golang Optional Parameters (No Default Values? Best Workarounds Explained)
Learn how to implement optional parameters in Golang using variadic functions, struct-based patterns, and pointer parameters. This guide explains why Go does …
Goroutine vs Thread in Go: Are Goroutines the Same as Threads?
Understand the difference between goroutines and OS threads in Go, how the Go runtime scheduler maps goroutines onto threads, and why goroutines are …
Access a Go variable from another package: exports, imports, and globals
Golang global variables across packages: package-level vars with an exported name (capital letter), import path module/subpkg, golang declare global variable in …
Golang function vs method: declaration syntax, receivers, when to use which
Golang function vs method and go method vs function: golang function declaration syntax without a receiver, method golang syntax with value or pointer receiver, …
Golang Variadic Function: ... Syntax, Varargs, and Slice Examples
Variadic functions in Go use ...T for the last parameter (varargs), behave like []T inside the body, and accept slice arguments with slice.... Compare ... at …
Go Type Casting: Conversions, Assertions, and Interface to Struct
Golang cast and go cast usually mean explicit type conversion (numeric) or type assertion from any: golang type casting vs strconv for strings, safe v.(T) and …