Only 2 formats that support transparent on the web is GIF and PNG. GIF is out of the option with its limited 256 colors. So how does PNG works, how can we hand write a PNG file. This is exactly that.

Multi player game is a distributed systems where they cannot wait for an acknolwedge write of the slowest node in the clusters. This artcile explains the design architecture, implementation, and some of the lessons learned creating the multiplayer (networking) code for the Age of Empires 1 & 2 games; and discusses the current and future networking approaches used by Ensemble Studios in its game engines.

In October 2022 traffic to my blog dropped like a stone. What happened? Somehow I ruined my SEO. Don’t be me. I’ll tell you what I got up to and hopefully you can avoid doing the same.

It’s likely faster for the browser engine to match just .link than it is to match this longer .wrapper .section .title .link selector. There are just fewer things to check. Turning not quite in practice.

Multi tenant system is usually cheaper because they have higher resource utilization leads to less server. But in multi tenancy system, an increas load on a client may affect other. In this article we look at How AWS approach this problem with rate limiting.

Most people who use the Internet just have some vague idea that it carries data from point A to point B (famously, through a series of tubes). Even people who regularly work on Internet systems tend to work with it through many layers of abstraction, without a clear understanding of the infrastructure components that make it work. This post is the first of a series about one such piece of infrastructure: the transport protocols such as TCP that are used to transmit between nodes on the Internet

It’s a very interesting walk through of fixing memory leaks in a web app. Find leads, come up with theories, test it, rinse and repeat

why document.write() is so harmful? Actually not that harmful but only in a few specific condition

What do you do if it takes a minute to launch NotePad on window? On a 32GB RAM, SSD laptop. In general if you want to understand why your computer is performing badly you need to record and analyze a trace. However if you want to see if you are hitting a particular problem then there are easier steps that you can follow.