Latest Blog Posts
IntersectionObserver: The Complete Deep Dive
Master the IntersectionObserver API for lazy loading, infinite scroll, scroll animations, and visibility analytics. Learn root, rootMargin, and threshold, then use it properly in React with refs and a reusable hook. Performance-friendly and study-ready.
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React Refs: The Complete Deep Dive
Master React refs from useRef to forwardRef and useImperativeHandle. Learn when to use refs vs state, how to access the DOM safely, and practical patterns for focus, scroll, measurements, and third-party libraries. A study-friendly reference you can return to again and again.
Closures in JavaScript: A Deep Dive
Master JavaScript closures from the ground up. Understand lexical scope, the scope chain, and how functions 'remember' their environment. Learn practical patterns, common pitfalls, and real-world use cases that will make closures second nature.
Promises and Async/Await in JavaScript: A Complete Deep Dive
Master asynchronous JavaScript from callbacks to Promises to async/await. Understand the event loop, microtasks, error handling, and advanced patterns. Includes TypeScript examples, common pitfalls, and interview questions.
The Last Decade in Tech: What Happened to Our Industry
A deep dive into how the tech industry transformed from 2015 to 2026. From the golden age of hiring to pandemic chaos, LeetCode obsession, mass layoffs, and the AI revolution. Where we've been, where we are, and where we're headed.
React, Inside Out: A Guided Q&A Journey from First Render to Production
Master React with this comprehensive Q&A guide covering fundamentals to production patterns. Learn state management, hooks, performance optimization, testing, accessibility, and advanced patterns through practical examples and real-world scenarios.
React 101: The Ultimate Beginner's Guide
Master React from the ground up with this comprehensive beginner's guide. Learn components, state, hooks, effects, and real-world patterns. Transform from JavaScript developer to React expert with practical examples, coding challenges, and best practices.
Classes in JavaScript: A Deep Dive
Master JavaScript classes from fundamentals to advanced patterns. Learn prototypes, inheritance, encapsulation, polymorphism, and real-world design patterns. Explore TypeScript integration, composition vs inheritance, and best practices for modern object-oriented programming.
Node 101: The Ultimate Beginner's Guide
Master Node.js from the ground up with this comprehensive beginner's guide. Learn server-side JavaScript, Express.js, SQLite with Prisma, TypeScript integration, and real-world backend patterns. Build scalable APIs with proper architecture, validation, and best practices.
TypeScript 101: The Ultimate Beginner's Guide
Master TypeScript from the ground up with this comprehensive beginner's guide. Learn static typing, interfaces, generics, utility types, and real-world patterns. Transform from JavaScript developer to TypeScript expert with practical examples and best practices.
Problem Solving Patterns: Hashmaps and Sets, Made Simple
Master the art of using Maps and Sets to transform complex coding problems into elegant solutions. Learn when to reach for these powerful data structures, understand their performance benefits, and build the pattern recognition skills that turn brute-force approaches into optimized algorithms.
Mastering Leetcode 1652: Defuse the Bomb (JavaScript Deep Dive)
A comprehensive guide to solving LeetCode 1652 "Defuse the Bomb" using JavaScript. Learn both brute-force and optimized sliding window approaches, master circular array manipulation, and understand when to apply each technique for maximum efficiency.
Problem Solving Patterns: Sliding Window, Made Simple
Master the Sliding Window technique with fixed and dynamic windows. Learn when to use this powerful optimization pattern, solve classic problems efficiently, and transform O(n²) solutions to O(n).
Problem Solving Patterns: Two Pointers, Made Simple
Master the Two Pointers technique with practical examples and real-world applications. Learn when to use this powerful pattern, common variations, and solve classic coding problems efficiently.
Strings 101: The Ultimate Beginners Guide
Master JavaScript strings from fundamentals to advanced techniques. Learn string immutability, Unicode handling, performance optimization, and essential methods with practical examples.
Arrays 101: The Ultimate Beginner's Guide
Master JavaScript arrays from fundamentals to advanced patterns. Learn essential methods, time complexity, common pitfalls, and interview techniques with practical examples.
Understanding JSX in React: A Deep Dive
Master JSX fundamentals with practical examples and real-world patterns. Learn how JSX compiles, differs from HTML, and enables powerful React component composition.
The Only Big O Guide You'll Ever Need
Master Big O notation with practical examples, real-world analogies, and clear explanations. Learn how to analyze algorithm performance and make better coding decisions that scale.
Solving Two Sum: From Brute Force to Optimal Thinking
Master the classic Two Sum problem with two approaches: brute force for understanding and hash map optimization for efficiency. Learn the algorithmic thinking patterns that will serve you throughout your coding journey.
Prime Numbers: The Building Blocks of Math and a LeetCode Classic
Prime numbers are simple in definition, yet endlessly interesting in behavior. They show up in cryptography, hashing algorithms, and yes
Why I Wrote Book of the Wire
Book of the Wire started as a single post. Just eight verses. Then came the thought: What if this could be more? A scripture written in static for those who build in the dark and release without applause.
Revolutionizing the Grocery Store: How AI is Transforming Your Shopping Experience.
In an era where technology is rapidly advancing, apple (joke) intelligence(AI) is paving the way for a smarter, more efficient grocery shopping experience. From optimizing supply chains to offering personalized recommendations, AI is revolutionizing every aspect of the grocery store industry when done right.
Fleeting late night thoughts
Midnight comes, life slows down, and the mind ramps up. A weird thing happens deep in your mind; you feel a sense of lostness and euphoria without the consumption of alcohol. You grow numb, and your emotions start to boil and mix into this weird soup of anguish, anxiety, happiness, and sadness.
vsDebugServer.js can't be found
If you have nvim-dap set up for javascript/typescript/etc.. and are using nvim-dap-vscode-js you most likely have ran into an error where 'vsDebugServer.js cant be found'.
A TC39 Proposal for Signals, JavaScript just keeps getting better.
According to the proposal, a signal is a data type that enables one-way data flow by modeling cells of state and computations derived from other state/computations.
A letter to you
I come today to write about the hardships you will encounter, the obstacles you need to overcome, and to tell you that things will get better.
A million miles away
From working in the fields to being an Austronaut. With 11 rejections from NASA he persevere and kept accumulating achievements and getting the necessary certifications to be better qualified to get accepted.
Reduce Method
What was your “wow” moment when you started coding? I know there probably are many and all have a great story attached to them but for me it was when I got introduced to the reduce method. As far as I could remember I had not used it both in real work environment and or on my own for something.
Punctuality
You know what really irritates me? When you set a date or a time for a call and you seem to brush it off by saying you had to go to the “store” and if this is still a good time but you end up not answering an email for 40 to 50 minutes and never call.
Why failing isn’t just good, It is necessary!
The thing I always tell myself when I go into “get a new job” mode is, let me test the waters and see where I stand in the interview process. Now we all know a good cv, resume can do wonders for you but...
Can we normalize setting up date and times for initial phone calls
Now I don’t know if this is normal to others or not but I was used to getting emails with links to set up a date and time to have a short 20 to 30 min conversation about the possible job position.