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 os.Stat: file metadata, FileInfo, and os.ErrNotExist
Golang os.stat and golang os stat: os.Stat returns fs.FileInfo (name, size, mode, mod time, IsDir); *File.Stat; errors.Is(err, os.ErrNotExist); os.Lstat vs …
Golang seek on files: os.File.Seek and whence constants
Golang file seek and go file seek with (*os.File).Seek: io.SeekStart, io.SeekCurrent, io.SeekEnd, temp-file examples, and bytes.Reader for in-memory golang …
Golang reflect and golang reflection: Type, Value, Kind, Set, MakeFunc, StructOf
Golang reflection with reflect.TypeOf and reflect.ValueOf, Kind vs Type, struct fields and tags, settable values and Set, reflect.New, MakeSlice MakeMap …
What is the Golang Gopher? History, Meaning and Go Mascot Explained
Learn about the Golang Gopher, the official mascot of the Go programming language. Discover its origin, creator Renée French, history, design evolution, and why …
Golang break and continue: inner loop, outer loop, and select
Golang break and golang continue for go break loop and golang break for loop; golang break outer loop and golang continue outer loop with labels; golang select …
Split a string in Go: strings.Split, Fields, Cut, and SplitN
strings.Split and SplitN, Fields for whitespace, Cut for the first separator, cleaning empty tokens and TrimSpace, CSV caveats with encoding/csv, Split vs …
Golang append to slice: elements, another slice, and []byte rules
Golang append and append golang: golang add to slice, golang append to slice and golang slice append with variadic ..., golang append slice to slice, go append …
Golang new error: errors.New, fmt.Errorf, and custom errors
Golang new error and golang create error with errors.New and fmt.Errorf; errors new golang patterns, sentinels, errors.Is, %w wrapping, and custom types …
Golang SHA-512: Sum512, hex, files, streams, salt verify, and SHA-256 comparison
Golang SHA-512 with crypto/sha512: Sum512 and hex, sha512.New streaming io.Copy, file checksum verify, streams vs one-shot, salt-and-hash demo with verification …
Golang io.ReadCloser: Reader+Closer, NopCloser, and read to string
io.ReadCloser golang and golang readcloser: embed io.Reader and io.Closer, io.NopCloser / nopcloser for Readers without real Close, golang io reader examples, …
JavaScript Math.max(): Find the Maximum Number
JavaScript Math.max(): largest of two or many values, spread with arrays, and how -Infinity and NaN behave.
Default and optional parameters in Go (patterns, not language syntax)
Go has no default parameter values at compile time; use zero-value checks, variadic trailing arguments, a struct of fields, or a map[string]any with defaults …
Copy or Clone a Map in Go (Shallow vs Deep)
Copy or clone a map in Go: a new map with a range loop duplicates keys but may share slice, map, or pointer values (shallow copy); duplicate nested data with …
Golang const array: why Go has no constant slices, and what to do instead
Golang const array and golang constant array: Go constants are only numbers, strings, booleans, and complex values built from those—no golang constant slice or …
Golang set cookie and golang http cookie with net/http
Golang set cookie with http.SetCookie and http.Cookie, golang http cookie headers, golang cookies and cookie golang reads via Request.Cookie, Path Domain MaxAge …