03/20/2021
We developed the Random Employee Chats application internally, with the goal of recreating the pre-pandemic informal interactions. Here's how we moved from a shared spreadsheet to Cloudflare Workers to automate the entire process....
09/09/2020
Unimog is the Layer 4 Load Balancer for Cloudflare’s edge data centers. This post explains the problems it solves and how it works....
06/18/2020
My program received a SIGSEGV signal and crashed with "Segmentation Fault" message. Where does the "V" come from? Did I read it wrong? Was there a "Segmentation *V*ault?"? Or did Linux authors make a mistake? Shouldn't the signal be named SIGSEGF? ...
01/18/2018
Processor problems have been in the news lately, due to the Meltdown and Spectre vulnerabilities. But generally, engineers writing software assume that computer hardware operates in a reliable, well-understood fashion, and that any problems lie on the software side of the software-hardware divide....
12/21/2016
Cloudflare has an automatic image optimization feature called Polish, available to customers on paid plans. It recompresses images and removes unnecessary data so that they are delivered to browsers more quickly....
