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📖 Programming Definitions
Variable: Like a labeled box where you store things to use later. Read more
You put a value in the box (like a number or text), give it a name, and can grab that value whenever you need it. Just like how you might label a box "Winter Clothes" to find your sweaters easily.
Function: A mini-recipe that does one specific job when called. Read more
Instead of writing the same steps over and over, you create one recipe and just say "do that thing" whenever needed. Like having a coffee-making routine - you don't think about each step, you just "make coffee."
Recursion: Like those Russian nesting dolls - the same pattern repeating at different sizes. Read more
A function that calls itself to solve smaller versions of the same problem. It's like looking up a word in a dictionary, but that definition contains another word you need to look up, and so on until you understand everything.
While Loop: A "keep doing this until I tell you to stop" instruction. Read more
Like telling someone "keep stirring the sauce until it thickens" - you don't know exactly how long it will take, but you know when to stop. Great for situations where you need to repeat something an unknown number of times.
If Statement: A fork in the road for your code. Read more
It checks a condition and chooses which path to take. Just like how you might check the weather: "If it's raining, take an umbrella. Otherwise, leave it at home." Computers make thousands of these simple decisions to create complex behavior.
Array: A row of boxes, numbered from zero, that hold related items. Read more
Like an egg carton where each slot is numbered and holds one item. Perfect for when you need an ordered collection of things, like a shopping list, where you can say "give me item #3" and get exactly what you want.
Object: A container that groups related information with labels. Read more
Like a business card with fields for name, phone, and email. Instead of keeping track of separate pieces of data, you bundle them together in a way that makes sense, like keeping all information about a person or product in one place.
API: A menu of services another program offers you. Read more
Like a restaurant menu - you don't need to know how they cook the food, you just need to know what you can order. APIs let your program use services from other programs without understanding their inner workings.
Bug: When your code does something you didn't expect. Read more
Like following a cake recipe but forgetting to add sugar - the result isn't what you wanted. Bugs happen because computers do exactly what you tell them, not what you meant to tell them. Finding and fixing bugs (debugging) is a huge part of programming.
Responsive: A website that adapts to fit any screen size. Read more
Like water taking the shape of whatever container it's in. Whether someone views your site on a phone, tablet, or desktop, everything rearranges itself to look good and work properly, providing a good experience for all users.
Meta Tags: Notes for browsers and search engines, not humans. Read more
Like the nutrition facts label on food - most people don't read it, but it contains important information. Meta tags tell search engines what your page is about, how to display it in search results, and give browsers special instructions about how to handle the page.
For Loop: A "do this X times exactly" instruction. Read more
Like saying "stir the cake mix 50 times" - you know exactly how many times to repeat. For loops are perfect when you need to do something a specific number of times, like processing each item in a shopping list or counting from 1 to 10.
Boolean: A simple yes/no or true/false value. Read more
Like a light switch that can only be on or off. Booleans help make decisions in code: "Is the user logged in? Yes or no?" They're the simplest form of data but incredibly useful for controlling which parts of your code run.
String: A piece of text stored in your program. Read more
Think of it like a pearl necklace, with each character as a pearl strung together in order. Strings hold everything from user names to paragraphs of text, and come with special tools to search, modify, and combine them.
Database: A digital filing cabinet for your data. Read more
Like an organized library where information is stored in a structured way so you can find exactly what you need quickly. Instead of digging through a pile of papers, you can ask specific questions: "Show me all customers who spent over $100 last month."
Framework: A pre-built house that needs decorating. Read more
Instead of building everything from scratch, a framework gives you the walls, roof, and foundation - you just add the furniture and décor. Frameworks like React or Django handle the complex parts so you can focus on the unique features of your application.
Library: A collection of tools you can borrow. Read more
Like borrowing a hammer instead of making one yourself. Libraries contain pre-written code that solves common problems, saving you time and effort. Want to create charts? There's probably a library for that, with all the complicated math already figured out.
Algorithm: A recipe for solving a specific problem. Read more
Just like a cooking recipe with clear steps: "First chop onions, then sauté until golden." Algorithms are step-by-step instructions to accomplish tasks like sorting a list of names or finding the shortest route between two places.
Debugging: Playing detective with your code. Read more
Like troubleshooting why your car won't start. You look for clues, test different parts, and narrow down the problem until you find what's wrong. Debugging often takes more time than writing the initial code, and requires patience and methodical thinking.
Class: A blueprint for creating related objects. Read more
Like a cookie cutter that ensures all cookies have the same basic shape. A class defines what properties and abilities objects will have. For example, a "Car" class might specify that every car object needs a color, model, and the ability to drive.
Inheritance: When one type of thing inherits traits from another. Read more
Like how a smartphone is a "phone plus extra features." In code, a "SportsCar" class might inherit all the basic properties of a "Car" class, while adding its own special features like "turboCharge()". This lets you reuse code instead of starting from scratch.