Prasanna Ahirrao·Sep 15What Is Generative AI, Really? A Simple Guide for EveryoneYou’ve probably typed a question into ChatGPT, asked an AI to write an email, or seen AI-generated images all over your feed. But what’s…
Prasanna Ahirrao·Sep 14I Thought Lower Time Complexity Always Meant Better Code — I Was WrongWhen I started learning DSA, Big-O felt simple: lower time complexity = better algorithm. If one solution was O(n) and another was O(n²)…
Prasanna Ahirrao·Sep 14Why I Had to Override hashCode() Too — Not Just equals()I once learned that == checks references and .equals() checks content. So I overrode equals() in my own class and assumed everything would…
