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 Parse JSON: String, File, Struct, Map, and Decoder Examples
Learn how to parse JSON in Go using encoding/json: JSON strings, files, HTTP bodies, structs, maps, nested data, json.Unmarshal, json.Decoder, and common …
Go json.Unmarshal: Structs, Maps, Slices, null, RawMessage, and Errors
Deep guide to json.Unmarshal in Go: []byte and pointer rules, structs with tags, maps and float64 numbers, slices, nested JSON, any decoding, null, …
FlashDB in Go: in-memory key-value store with optional persistence
FlashDB golang tutorial: an in memory database golang option and golang key value store with Redis-style types. Covers go in memory database setup, …
Java WatchService Examples [Monitor Directory and Files]
The Java WatchService can monitor a Path for changes to any file or directory in the hierarchy. We can choose to receive events when files or directories are …
Go comma ok idiom: map, type assertion, and channel receive
Golang comma ok idiom and go comma ok idiom: the second bool from v, ok := m[k], v, ok := x.(T), or v, ok := <-ch; comma ok idiom golang covers maps, type …
go-memdb and go memdb: in-memory database for Golang
HashiCorp go-memdb (mem db): golang in memory database with MVCC, schema and id primary index, Txn insert query LowerBound Get First, delete and DeleteAll; not …
Golang SQLite3 Tutorial [With Examples]
Golang sqlite tutorial with CRUD Operation. Executing commands on SQLITE database, Select statement, Insert, Read and Delete Operation with examples
Golang MongoDB tutorial: driver v2, BSON, ObjectId, and CRUD
Step-by-step golang and mongodb with go.mongodb.org/mongo-driver/v2: URI connect Ping, implicit create database, BSON golang bson ObjectId, CRUD, bson regex …
Golang Fan-Out Fan-In Pattern: Goroutines, Channels, and Worker Pools
Learn the fan-out fan-in pattern in Go with goroutines and channels: distribute work, merge results, relate it to worker pools, handle errors and cancellation, …
Golang Viper: The Unsung Hero of Configuration Wizards
golang viper tutorial to source YAML, JSON or ENV files and get variables. Set default values for empty or missing variables using viper.SetDefault
Golang lint and go vet: golangci-lint, formatting, and nolint:gosec
Golang linting with go vet and golangci-lint; go lint command meaning versus go vet; golang linter setup; nolint:gosec and targeted nolint directives; gofmt …
Golang Read YAML File: Parse YAML into Struct, Map, or Decoder
Learn how to read and parse YAML files in Go using gopkg.in/yaml.v3: YAML to struct, YAML to map, nested YAML, lists, os.ReadFile, yaml.NewDecoder, …
How to use Node.js with Sublime Text IDE
Step by Step instructions to use node.js with sublime text IDE. Install Node.Js and Sublime Text IDE for the Integration.
Create HTTPS Server with Node.js [Simple Steps]
Step by step instructions to create HTTPS Server with Node.js with example web server
Error: Cannot find module X in JavaScript
We can solve Error: Cannot find module by installing the missing module. We can use npm tool to install the mising module.