An introduction to the core concepts of REST (Representational State Transfer). Learn what an API is, what makes an API RESTful, and understand the key principles like resources, HTTP verbs, and status codes.
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A beginner's guide to SQL (Structured Query Language). Learn the fundamental concepts and the basic syntax for querying and manipulating data in relational databases.
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A guide to the common Python idiom if __name__ == '__main__':. Learn what this block of code does, why it's important, and how it allows you to write Python files that can be used as both runnable scripts and importable modules.
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A foundational guide to the string data type, one of the most basic building blocks in programming. Learn what a string is, how it's used to represent text, and some of the most common operations performed on it.
Read moreA foundational guide to the 'for' loop, one of the most fundamental control flow statements in programming. Learn how to use it to iterate over a sequence of items and execute a block of code repeatedly.
Read moreA foundational guide to the 'finally' block in structured exception handling. Learn how 'finally' guarantees the execution of cleanup code, regardless of whether an exception was thrown or not.
Read moreA foundational guide to relational databases. Learn the core concepts of tables, rows, columns, and keys, and understand how SQL is used to define and manipulate the structured data within them.
Read moreA foundational guide to the __init__ method in Python classes. Learn how this special method acts as the constructor to initialize the state of a new object.
Read moreA foundational guide to the 'while' loop in Python. Learn how to use this control flow statement to execute a block of code repeatedly as long as a certain condition remains true.
Read moreA beginner's guide to the Python programming language. Learn why Python is so popular, how to write your first program, and understand the basic concepts of variables, data types, and functions.
Read moreA foundational guide to the set, Python's data structure for storing unordered collections of unique elements. Learn how to create sets and perform common mathematical set operations like union and intersection.
Read moreA beginner's guide to Git, the most popular version control system in the world. Learn the fundamental concepts of repositories, commits, branches, and how to use the basic commands to track your code.
Read moreA foundational guide to the string (str) data type in Python. Learn how strings are used to represent text, their immutable nature, and some of the most common operations you can perform on them.
Read moreA beginner's guide to the fundamental principles of Object-Oriented Programming (OOP). Learn about classes, objects, and the four core concepts: Encapsulation, Abstraction, Inheritance, and Polymorphism.
Read moreA foundational guide to modules in Python. Learn how modules are used to organize code into separate files, making your programs more manageable, reusable, and easier to understand.
Read moreA beginner's guide to the fundamental commands of SQL (Structured Query Language). Learn how to use SELECT, INSERT, UPDATE, and DELETE to query and manipulate data in a relational database.
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A beginner's guide to the C# programming language. Learn about its key features, what it's used for, and walk through the basic syntax of variables, data types, and functions.
Read moreA simple, non-technical explanation of what an API (Application Programming Interface) is. Learn how APIs allow different software applications to communicate and share data with each other.
Read moreA beginner's guide to HTTP, the protocol that powers the World Wide Web. Learn about the basic request/response model, HTTP methods, and status codes.
Read moreA beginner's guide to JavaScript, the programming language of the web. Learn its basic syntax and how it's used to create interactive and dynamic web pages.
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