How to setup a practically free CDN using Backblaze B2 and Cloudflare

⚠️ Note 2023-01-21
Some things have changed since I originally wrote this in 2016. I have updated a few minor details, and the advice is still broadly the same, but there are some new Cloudflare features you can (and should) take advantage of. In particular, pay attention to Trevor Stevens' comment here from 22 January 2022, and Matt Stenson's useful caching advice. In addition, Backblaze, with whom Cloudflare are a Bandwidth Alliance partner, have published their own guide detailing how to use Cloudflare's Web Workers to cache content from B2 private buckets. That is worth reading,

scottsb / paypal-id-formats.md

Last active June 2, 2020 14:10

PayPal API ID Prefix Formats

PayPal uses various prefixes to distinguish different types of unique IDs in their APIs, but these are not currently documented in a single place. This Gist seeks to bring that information together into a single place. If there is something missing, please reach out through one of the channels on my GitHub profile since GitHub doesn't send notifications on Gist comments.

Formats

staltz / introrx.md

Last active January 9, 2026 02:13

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

trevnorris / perf-crib-sheet.md

Last active April 9, 2016 16:24

build

Clone and build Node for analysis:

$ git clone https://github.com/joyent/node.git
$ cd node
$ export GYP_DEFINES="v8_enable_disassembler=1"
$ ./configure
$ make -j4