SSDs are more complicated and their performance behavior can appear quite mysterious if one simply thinks of them as fast disks. The goal of this post is to provide an understanding of why SSDs behave the way they do, which can help creating software that is capable of exploiting them. (Note that I discuss NAND flash, not Intel Optane memory, which has different characteristic

We all heard of event loop somewhere nowadays. But at the end of day, at the lowest level, how it know to notifier higher components about even? Is there just an optimized polling at the lowest level?

Look at Common Failure Modes for Kubernetes in Production and Hardening exercise

How to built a click farm to “bypass” Cloudflare’s CAPTCHA killer with some cheap USB security keys, an Arduino, and a bit of python.

LoC in Factorio game scale linearly but they grow from 1 programmer to 9 programmers? Should the code grow faster? Why so? They talked about problems, and how they proceed to fix them.

One of famous joke about JS is 0.1 + 0.2 = 0.30000000000000004 but that is infact occurs in many languages just because that IEEE 754 standard. Instead of talking about the stupid jokes, the author dive in to write about his library to play with arbitrary precision numbers. Great post.

One of the things that is so challenging about the conversation around memory usage on the web right now is the sheer number of unknowns. This article look into build a benchmark suite leverage a few browser API such as anchormeasureUserAgentSpecificMemory. On the same benchmark node, check new browser APIs to detect JavaScript peformance problems in production too

A practical introduction to the CSS Paint API with hands-on examples.

This article is about how I found a vulnerability on Apple forgot password endpoint that allowed me to takeover an iCloud account. The vulnerability is completely patched by Apple security team and it no longer works. Apple Security Team rewarded me $18,000 USD as a part of their bounty program but I refused to receive it.

Some fun place with emoji characters.