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 …
Java Arrays.asList Explained
The java Arrays.asList function returns a fixed-size list that contains a java Array. It acts like a list wrapped around an array, it provides a list view to an …
How to Compare Characters in Java
There are several ways to compare characters in java as listed below, Using Relational Operators, Using Character.compare(), Using Character.hashCode(), Using …
How to initialize List in Java
Following methods can be used in Java to initialize list. The list interface can be initialized through 4 list classes: ArrayList, LinkedList, Stack, Vector
How to Compute Square in Java
There are four different ways to compute square of a number in Java, Using multiplication operator *, Using Math.pow() function, Using BigInteger.pow() …
How to Copy a File in Java [Practical Examples]
The list below shows five different ways in which we can copy a file in Java. Using FileInputStream and FileOutputStream Using Paths and Files Using …
Convert double to String in Java
The list below shows eight different ways in which we can convert double to string in Java. Using + operator Using String.valueOf() Using Double.toString() …
How to get Current Date in Java
The list below shows eight different ways to get current date in Java Using java.util.Date, java.util.Calendar, java.time.LocalDateTime, java.time.LocalDate, …
How to check if file exists in Java [Practical Examples]
In Java, there are three different ways to check if file exists or not such as Using exists method of Legacy I/O File class, Using isFile method of File class, …
Master the Best Techniques for Node.js Sleep
Explore the ins and outs of Node.js sleep methods. Dive into best practices, common mistakes, and powerful techniques to optimize performance and efficiency in …
Long.MAX_VALUE & Long.MIN_VALUE in Java (Exact Values + Examples)
Learn the exact value of Long.MAX_VALUE and Long.MIN_VALUE in Java, why overflow happens, and how to safely handle large numbers with clear examples.
JavaScript setTimeout(): Delay Code Execution
Learn JavaScript setTimeout() with delay examples, clearTimeout(), callback arguments, async behavior, and common mistakes in browsers and Node.js.
Python floor() Function Explained (math.floor, Examples, vs int & round)
Learn how to use floor() in Python with practical examples. Understand math.floor(), differences between floor vs int vs round, handling negative numbers, …
Install Node.js on Ubuntu 20.04 [3 Different Methods]
In this tutorial we cover 3 different ways to install node.js in Ubuntu 20.04 i.e. Installing from the Ubuntu repository, Installing Node.js from NodeSource., …
How to reverse a list in Java [4 Different Methods]
We can reverse a list in Java using four different ways i.e. Using add and remove method, Using recursion, Using reverse method of Collections, Using …
Accessor and Mutator Methods in Java
The knowledge of Java Accessor and Mutator is very useful as it implements encapsulation, which is one of the important feature of Object oriented Programming.