✨penelope.zone✨

Posts

  1. What's next for Rubyfmt?

    So today I was (happily) able to announce that the Rubyfmt unit suite is working in the Rust backend. This is a huge milestone for the library, but I also wanted to take a little time to talk about what’s...

  2. Retiring from RSpec Core

    Hi Folks, I’ll keep this one short and sweet. As of a little while ago, I messaged the other RSpec maintainers to let them know that I’d like to move on from the project, instead focusing on rubyfmt. Many...

  3. Minimum viable example of calling Rust from Ruby without a gem.

    For Rubyfmt I’m currently looking at rewriting significant sections in Rust, because there’s some performance issues. Broadly speaking, it turns out that cleaning up a very large Ruby parse tree (e.g. 4000 lines) can be slow because of the...

  4. Getting the most mileage out of Docker and Rails

    Hi Folks, Recently I was working with a friend on their Rails app, which had been fully wrapped in a docker-compose setup. They were quite rightly asking me questions about the best way to do things like run...

  5. Questions for a prospective employer about on call (2/3)

    Hi Folks, This is part two in my series about talking to prospective employers about on call. In the first part we covered a bunch of general questions. In this part, we’ll dig down in to specific questions about...

  6. Questions for a prospective employer about on call (1/3)

    Hi Folks, This is the first in a series of three blog posts. These contain questions that I asked prospective employers when I was interviewing recently and why I asked them. On-call is one of the biggest determiners in whether...

  7. How I organise my VIM hotkeys

    Intermediate to advanced VIM users love to extract common workflows to hotkeys. You might want to optimise workflows like running tests, adding files to git/doing a commit, or reformatting text. The thing is, as you add more and more workflows,...

  8. Rack middlewares that have saved me literally hours of my life

    In Ruby, Rack is our webserver baseline. It is an incredibly simple interface. A rack app is any object which has a public #call method that takes a single argument, typically called env, which represents the environment...

  9. Tensorflow journal, part 1

    Hi Folks. This is a little post where I’m leaving a bunch of single line notes of things I’ve found useful in tensorflow, for image based tasks. I mostly have no idea what I’m doing, but I’ve found some things...

  10. Hash Rockets are good actually

    I’ve been asked a few times recently why I prefer Ruby’s hash rockets to the “new” or “1.9” hash syntax. I figured I’d document it for posterity. I’m aware this is like an extremely unpopular take. This is my opinion,...

  11. Falsehoods Programmers Believe About Residence

    A person’s billing address and mailing address are in the same country A person resides in the same country as either their billing address or mailing address A person does not live in any country for which they have...

  12. #01 - I'm not sorry - An introduction to "Soundclowns are Art"

    Welcome to my weekly (hah, that’s not a promise I’ll keep) newsletter “Soundclowns are art”. Each week, I’ll be writing a little guiding note and review of a soundclown. Through this I hope to share with you an artform I...

  13. Introducing: RSpec Smells and Where to Find Them

    Intro A few of you who know me will know I’ve been threatening to write a book for something like a year and a half now. Life happens, things get in the way, I changed jobs. However! Ground has...

  14. On the unreasonable reality of “junior” developer interviews

    If you like this post, I’d love it if you checked out my upcoming browser performance and load testing product: Browserpath. I have a number of friends who are “junior” developers. Recently, one of them was telling me about...

  15. Agile, etc.

    If you find this post interesting, please consider checking out Browserpath, a web performance tool I’m working on. … TL;DR: This blog post is about 4000 words. I gave a talk at a University to some students about how...

  16. Browserpath: our goal is to make the web fast.

    TL;DR: We want to help make your web application faster. Pop your email address into the form at https://browserpath.co. We’ll let you know when it’s ready. In 2009 Google published a blog post entitled Let’s make the web faster....