Dev

How we built V8 natively on ARM

When Amazon released their custom Graviton...


Building a dynamic instrumentation agent for PHP

TL;DR PHP instrumentation can be handled in...


How to debug memory leaks in a Node.js application on Heroku

Debugging memory leaks is rarely a piece of cake,...


From Ruby to Python

How I switched from Ruby to Python

This article is a personal experience shared by...


Radix Trees Demystified

How Radix trees made blocking IPs 5000 times faster

To most people, what you learn during a CS degree...


Jira conversation

Giving a voice to Jira

The problem What if you could talk to Jira to...


Streaming data with Amazon Kinesis

Streaming data with Amazon Kinesis

Introduction At Sqreen we use Amazon Kinesis...


WebAssembly Performance Benchmark

WebAssembly vs. the world. Should you use WebAssembly?

WebAssembly is known for its speed capabilities...


Reflected XSS explained: how to prevent reflected XSS in your app

What is a reflected XSS? An XSS allows an attacker...