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 …
![Mastering Python subprocess Module [In-Depth Tutorial]](/python-subprocess/python_subprocess_hu_b6a4c79f22c292e1.webp)
Mastering Python subprocess Module [In-Depth Tutorial]
The different functions available with python subprocess are Popen(), call(), run(), check_call(), …
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 …
How to find a height of a tree data structure in Java
The Tree is a non linear data structure consisting of nodes and edges. Depending upon the type of tree, it can have 0 or more child nodes. There are two ways to …
HashMap vs Hashtable vs HashSet in Java
HashMap is hash table based implementation of Map interface, Hashtable class implements a hash table, which maps keys to values. HashSet is a hash table based …
ArrayList vs LinkedList in Java
The ArrayList class implements a List Interface. So, this acts as a list. While the LinkedList class implements both List and Deque Interface. So, this acts as …
Node.Js forEach() statement Explained [Practical Examples]
In this article, you learned how you can use the Node.Js forEach() to iterate over an iterable in JavaScript. When iterating over array elements, you should opt …
LinkedList in Java Explained [Complete Tutorial]
In Java, the LinkedList class is a member of Java Collections Framework present in java.util package. This class implements List interface along with other …
Golang garbage collection: GC, heap, GOGC, runtime.GC, and tuning
Golang garbage collection and golang gc: go garbage collector basics, heap in golang and HeapAlloc, golang force garbage collection with runtime.GC, GOGC and …
3 ways to convert CHAR to INT in Java
There are 3 methods to convert char to int in java i.e ASCII values, getNumericalValue, ParseInt using ValueOf method.
List vs LinkedList in Java Explained
In Java, List is an interface in java.util package whereas LinkedList is a class in the java.util package. Both of this data structure is used to store the …
3 different ways to detect a loop in a Linked List
There are three ways to detect a loop in a linked list cycle. They are as listed below. Traversing through the list, Using HashSet, Using Floyd's Cycle …
Python append() vs extend() in list
In this tutorial we will cover multiple examples to understand the difference between list.append() vs list.extend() method. We will [erform a 1 to 1 comparison …
Python list extend() method
In Python, the list is an ordered and mutable container. The extend() method is used to add the items from other iterable to the existing list. In other words, …
Golang JWT Authentication (Gin + REST API + Middleware Examples)
Learn how to implement JWT authentication in Golang using Gin and PostgreSQL. This step-by-step guide covers user signup, login, JWT token generation, …
How to set up Java with BlueJ IDE [Step-by-Step]
In this tutorial we will cover step by step instructions to set up Java with BlueJ IDE. We will also learn to write our very first Java Program using BlueJ IDE. …
How to set up Java with Visual Studio Code
Step by Step instructions to set up Java with Visual Studio Code. Create and compile your first Java Program using VSC.
How to set up Java with Eclipse IDE [Step-by-Step]
Step by step instructions to set up Java with Eclipse IDE. create your first Java program using Eclipse and execute the same.