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Jul 3, 2025 路 3 min read 路 Building intuition for the sliding window technique comes from understanding the core pattern and practicing it step by step. Here's how to develop that intuition: Understanding the Pattern This is the sliding window technique for finding the longest...
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Jun 2, 2025 路 60 min read 路 Google Docs is a cloud-based document editor that enables multiple users to edit the same document simultaneously with a near-instantaneous view of each other鈥檚 changes. Delivering this seamless real-time collaboration experience to tens of millions ...
Join discussionJun 2, 2025 路 23 min read 路 WebSockets are a powerful technology that enables real-time, two-way communication between a browser (client) and a server. Unlike traditional HTTP, which follows a request鈥搑esponse pattern, WebSockets keep a persistent connection open so that either...
Join discussionMay 16, 2025 路 74 min read 路 Introduction A commenting platform (in the style of Disqus) is a third-party system that websites can integrate to enable discussion on their content. It allows users to post comments on articles or posts, reply to others in threaded conversations, a...
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May 8, 2025 路 3 min read 路 1. How Does the Browser Render a Webpage? The Critical Rendering Path: HTML is parsed into a DOM CSS is parsed into a CSSOM Render Tree = DOM + CSSOM Layout: computes geometry Paint: pixels drawn Compositing: layers combined Optimize this pa...
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