You might be wondering what pseudocode is and why it's so useful for writing computer programs. But before we jump into pseudocode, let's refresh our memories about what programming and coding are, in the simplest sense. Programming is the manifestat...| freeCodeCamp.org
By Alexander Arobelidze People have been using random numbers for millennia, so the concept isn't new. From the lottery in ancient Babylon, to roulette tables in Monte Carlo, to dice games in Vegas, the goal is to leave the end result up to random ch...| freeCodeCamp.org
By Vijit Ail Often while developing projects, you will find yourself looking for ways to generate random numbers. The most common use cases for generating random numbers are games of chance like rolling dice, shuffling playing cards, and spinning ro...| freeCodeCamp.org
As technology evolves and game contents become more algorithmically generated, it’s not difficult to imagine the creation of a life-like simulation with unique experiences for each player. Technological breakthroughs, patience, and refined skills wil...| freeCodeCamp.org
Have you ever wondered how you can sign in to a website once and remain signed in, even if you close your browser? Or added an item to your shopping cart without signing in at all? Whether you know it or not, cookies are everywhere, and for better or...| freeCodeCamp.org
Amazon Elastic Kubernetes Service (EKS) Security Groups for Pods is a powerful feature that enables fine-grained network security controls at the pod level. This guide walks you through implementing this feature, from initial cluster setup to testing...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
When you’re building an application, not all users should have the same level of access. For example, an admin might be able to update or delete some data (logs excluded), while a regular user should only be able to read it. This is where Role-Based ...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
OpenAI recently introduced ChatGPT Apps, powered by the new Apps SDK and the Model Context Protocol (MCP). Think of these apps as plugins for ChatGPT: You can invoke them naturally in a conversation. They can render custom interactive UIs inside Ch...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
MCP is the standard rule set that allows AI agents, like GitHub Copilot and Gemini, to securely and intelligently interact with your databases, functions, and applications. We just published a course on the freeCodeCamp.org YouTube channel that will ...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
Go makes it easy to build APIs that are fast out of the box. But as usage grows, speed at the language level is not enough. If every request keeps hitting the database, crunching the same data, or serializing the same JSON over and over, latency cree...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
Amazon Bedrock AgentCore is a managed service that makes it easier to build, deploy, and operate AI agents securely at scale on AWS. It works seamlessly with frameworks like Strands Agents, LangGraph, CrewAI, and LlamaIndex, while taking care of the ...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
Working with data at any level, whether as an analyst, engineer, scientist, or decision-maker, involves going through a range of challenges. Even experienced teams can run into issues that quietly affect the quality of their work. A mislabeled column...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
Every developer has faced this moment: you deploy an update, everything works fine, and then that small voice in your head asks, “But is it secure?” You have run your unit tests, your linter is happy, and the code reviews are green. Still, you know t...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
n8n is a visual, node-based automation platform that lets you automate tasks with drag-and-drop nodes. It’s popular for multi-step automations and AI chains thanks to built-in nodes for agents and app integrations. In this tutorial, you’ll build a sm...| freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More
Prepare for the Google Generative AI Leader exam and pass! A Generative AI Leader is a visionary developer with comprehensive knowledge of how generative AI (gen AI) can transform businesses. They have business-level knowledge of Google Cloud's gen A...| freeCodeCamp.org
Large Language Models (LLMs) like LLaMA 2 and Mistral are often described as “black boxes”. This means that you can see the text you give them and the responses they produce, but their inner workings remain hidden. Inside the model, billions of weigh...| freeCodeCamp.org
When most people think of image hosting, they imagine uploading photos to a cloud service and getting back a simple link. It feels seamless, but behind that experience sits a powerful set of technologies. At the core is something called object storag...| freeCodeCamp.org
By Sampurna Chapagain Polymorphic association in Ruby on Rails refers to the type of active record association. From the Rails Guide, it allows a single model to belong to more than one other model on a single association. This tutorial assumes that ...| freeCodeCamp.org
Looking to get hands-on with AI? We just posted a comprehensive course on the freeCodeCamp.org YouTube channel designed to help you build powerful AI agent applications. Led by Cerebras growth engineer Sarah Chieng alongside industry experts from Exa...| freeCodeCamp.org
By Wassim Chegham TL;DR: A developer advocate is a developer’s best friend! For the past three years or so, I have been dedicating my professional time and a huge amount of my personal time to help fellow developers be successful and productive with...| freeCodeCamp.org
Good documentation is the backbone of a supported and empowered community. From the moment someone new joins and finds a clear guide to get started, to the experienced member who can quickly find a process, well-organized information saves everyone t...| freeCodeCamp.org
When building Flutter applications, managing local data efficiently is critical. You want a database that is lightweight, fast, and easy to integrate, especially if your app will work offline. Isar is one such database. It is a high-performance, easy...| freeCodeCamp.org
When you talk to an AI assistant, it can feel like it remembers what you said before. But large language models (LLMs) don’t actually have memory on their own. They don’t remember conversations unless that information is given to them again. So, how ...| freeCodeCamp.org
When you talk to a large language model (LLM), it feels like the model understands meaning. But under the hood, the system relies on numbers, vectors, and math to find the relationships between words and sentences. One of the most important tools tha...| freeCodeCamp.org
Map, reduce, and filter are all array methods in JavaScript. Each one will iterate over an array and perform a transformation or computation. Each will return a new array based on the result of the function. In this article, you will learn why and ho...| freeCodeCamp.org
If you're working in IT, you might need to schedule various repetitive tasks as part of your automation processes. For example, you could schedule a particular job to periodically execute at specific times of the day. This is helpful for performing ...| freeCodeCamp.org
It can take a lot of time to build content and maintain a website. How can we make sure our content stands out when getting shared on social feeds around the internet? What is Open Graph? Why do I need it? What happens if I don’t have it? Starting w...| freeCodeCamp.org
Let’s start with a simple question: Why do we get together for a short meeting each day? If you work on a Scrum team, you’ve probably heard of a daily scrum, sometimes called a daily stand-up. It’s one of the key events in scrum. The “daily” usually ...| freeCodeCamp.org
Object Relational Mapping (ORM) is a technique used in creating a "bridge" between object-oriented programs and, in most cases, relational databases. Put another way, you can see the ORM as the layer that connects object oriented programming (OOP) to...| freeCodeCamp.org
If everything is predictable in a game, that isn't much fun. RNGs, or Random Number Generators, are a way to introduce a touch of randomness and causality you need to spice it up. In this article, we'll learn how random number generators work. How an...| freeCodeCamp.org
Random Method The JavaScript Math.random() method is an excellent built-in method for producing random numbers. When Math.random() is executed, it returns a random number that can be anywhere between 0 and 1. The 0 is included and 1 is excluded. Gene...| freeCodeCamp.org
By Nader Dabit If you’re reading this then you are a participant in the modern web. The web we are experiencing today is much different than what it was just 10 years ago. How has the web evolved, and more importantly – where is it going next? Also, ...| freeCodeCamp.org
By Shen Huang Do you really understand Big O? If so, then this will refresh your understanding before an interview. If not, don’t worry — come and join us for some endeavors in computer science. If you have taken some algorithm related courses, you’v...| freeCodeCamp.org
