I’ve researched and learned enough about client-side memory leaks to know that most web developers aren’t worrying about them too much. If a web app leaks 5 MB on every interaction, but it still works and nobody notices, then does it matter? (Kinda sounds like a “tree in the forest” koan, but bear with me.)

The hack is here is very practical: how to play YouTube videos on your SONOS, easy and for free? You will learn to inspect traffic with WireShack and reverse engineering SONOS protocol to make it play Youtube videos

On January 13th 2022, Firefox became unusable for close to two hours for users worldwide. This incident interrupted many people’s workflow. This post highlights the complex series of events and circumstances that, together, triggered a bug deep in the networking code of Firefox

When making an outgoing connection, the client try to use an ephemeral ports, which is from 32768 to 60999 by default. What happen if you run out of all these port? Mean the box making more than 28,000 connections? For short-live connection it could be fine, but for long-live such as web-socket, doesn’t that mean we cannot open more connection

Build and they will come. Postgres has fantastic foundation to build on top of it. Foreign data wrapper allow you to expose external data into a logical table inside Postgres. That enables lots of posibility such as connect Mongo with Postgres. So how can we build such as a data wrapper?

When seeing a log line “Couldn’t parse config file”, what do we do? To me, a good error message needs to be able to help us quickly identify what is the problem and we can we do about it.

Performance optimization is very addicted to work on. Once we taste the process of looking at problem, find bottle necks, see what is worth to improve, and seeing real improvement in term of speed, the reward is great. In this post, author see what it takes to speed up VS Code extensions to catch up to Sublime.