A clear and rigorous introduction to how algorithms are analyzed — including correctness, Hoare logic, preconditions, postconditions, invariants, asymptotic notation, and types of analysis.
A beginner-friendly explanation of what algorithms are, their importance in computer science, and real-world examples.
An introductory guide to common sorting algorithms—Bubble Sort, Selection Sort, and Insertion Sort—explained with examples in JavaScript.
A beginner-friendly and practical overview of foundational data structures in JavaScript, including arrays, stacks, queues, linked lists, trees, and graphs.
A beginner-friendly walkthrough of foundational algorithmic problems like reversing strings, factorials, Fibonacci, and more—explained in plain JavaScript.
A detailed yet accessible guide to the OSI Model, explaining each of its seven layers with real-world analogies and networking examples.
A beginner-friendly explanation of Dependency Injection (DI), why it matters, and how it's implemented in JavaScript applications.
Understanding cohesion and coupling in JavaScript design—how to write modular, maintainable, and decoupled code.
A concise overview of abstraction in object-oriented programming, explaining its principles, benefits, and implementation in JavaScript.
A concise overview of polymorphism in JavaScript, exploring its types, implementation techniques, and use cases.
A concise overview of how cookies and sessions work in Node.js applications, covering their mechanisms, security considerations, and best practices.
A concise overview of popular JavaScript templating engines—Pug, Handlebars (HBS), and EJS.