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 …
Get Size of Priority Queue in Python: qsize, empty, and maxsize
Learn how to get the size of a Python PriorityQueue with qsize(), compare it to empty() and full(), understand approximate counts under threads, and relate …
Python len() Function
Learn Python len() function with simple examples. Get the length of strings, lists, tuples, dictionaries, sets, ranges, and custom objects, and fix common …
How to PROPERLY upgrade GO version in Ubuntu? [SOLVED]
Step by step instructions to upgrade go in Linux, Windows and MacOS.
Golang Variable Naming Convention Guideline and TIPs
Explore the indispensable Golang Variable Naming Convention to elevate your coding practices. Dive deep into strategies that will enhance readability, improve …
Golang Struct Embedding: Composition, Promoted Fields, and Methods
Golang struct embedding and go struct embedding: anonymous embedded fields, promoted fields and methods per the Go spec, composition vs inheritance, pointer …
Golang Fiber CRUD API tutorial: routes, JSON, and Postman
Go fiber tutorial and golang fiber CRUD REST demo: fiber golang routing, fiber routes API with grouped paths, JSON handlers with Fiber, in-memory articles, …
Golang import local package: modules, paths, and another directory
Golang import local package and go import local package with Go modules: golang import package from another directory under the module root, golang use local …
Managing golang connection pool
In the previous article, I introduced to you the ways to work with SQL in Golang. You don't need to change the defaults for the sql.DB connection pool for the
Golang SQL Tutorial [CRUD Operation]
Step by Step instructions to create and manage QL database using golang sql module. Perform CRUD Operation using GO.
Golang init function: syntax, rules, and order of execution
Golang init and go init: func init() rules, init order across imports and files, multiple init functions, blank imports, when to use or avoid init(), with …
Golang Testing Examples | How to test GO Code?
Step by Step instructions to understand golang testing and write unit tests in go code.
Python Delete Variable
Learn how to delete a variable in Python using del, what happens after deleting a variable, how to clear variables, unset names, and whether del frees memory …
How to Get File Size in Python: pathlib, os.path, and bytes
Learn how to get file size in Python with os.path.getsize, pathlib Path.stat, and os.stat, convert bytes to KB or MB, guard large or empty files, handle errors, …
Python Pandas Period.to_timestamp() Example
The simple syntax of the python to_timestamp method is as follows:
What `echo` does in Linux, what `echo -n` is, and `echo` vs newlines (`\n`)
What echo does on Linux, the echo -n flag (no trailing newline), why echo n is not echo -n, how echo -e handles backslash escapes like \n, and when to use …