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Understanding webRTC from it's first Principles

Oct 1, 2024 · 7 min read · Introduction We are all familiar with basic client-server interactions, where both parties establish a TCP connection, acknowledge each other, and share resources. However, when it comes to real-time communication (RTC), two key technologies are typi...

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Cryptography and Digital Signatures

Jul 14, 2024 · 9 min read · Introduction On the Internet, we try to send data between two nodes, users, or machines, but there is always an underlying threat of information or data leaks, generally termed as Man-in-the-Middle attack. Thus, cryptography comes into the picture. E...

Understanding Bloom Filters and Building a Custom One

Apr 6, 2024 · 8 min read · Introduction Let us first consider that we are performing operations on strings. To efficiently do so, we use data structures like tries, suffix trees, etc. However, the problem is that we need to store the whole string to compute the desired answers...

Tackling the Thundering Herd Problem and Designing Idempotent API Endpoints for Payments at Stripe with Rate Limiting

Jan 15, 2024 · 8 min read · Introduction APIs are crucial in maintaining the connection between the client and server and are essential for every business to ensure connectivity. However, when the user base is huge, it comes with some problems like frequent retries of connectio...

Implementing a Custom HashMap in Java

Dec 9, 2023 · 7 min read · Introduction HashMap is a widely used data structure for performing insertion, retrieval, and deletion operations in almost O(1) time complexity. Due to its simplicity, it is extensively Used. Today, we'll take a closer look at how HashMap works and ...