Rob Pike, Go lang creator implemented a rudimentary regular expression engine in C. The author converted it into JavaScript and post walks through their solution.

SQL is awesome. Let’s learn some fair criticisms from someone who know SQL well

if you are using replication, you must make sure that your clusters are properly monitored. The purpose of this post is to explain some of the fundamentals, to make sure that your PostgreSQL clusters stay healthy.

SSH tunnel allow you to by pass proxy by routing traffic through an already establish trusted connection. This StackExchange is well writtenn annd have some diagram to make thing easier.

Postgres can create index only for row that matches a condition. Example, you can ignore row with a NULL column. This helps reduce index size a lot and improve performance.

In this post, I dissect a common misconception about the SameSite cookie attribute and I explore its potential impact on Web security.

A free online operating systems book! The book is centered around three conceptual pieces that are fundamental to operating systems: virtualization, concurrency, and persistence. A great way to learn about how OS works.

The blog post will start with an overview of the major changes Apple implemented in iOS 14 which affect the security of iMessage. Afterwards, and mostly for the readers interested in the technical details, each of the major improvements is described in more detail while also providing a walkthrough of how it was reverse engineered. At least for the technical details, it is recommended to briefly review the blog post series from last year for a basic introduction to iMessage and the exploitation techniques used to attack it.