Reminder - no plan survives breakfast.
- Feel free to send pull requests to the repo!
- Here’s a contributing guide!
- Here’s the guide for creating pull requests that smurfd used and recommends!
Today
- Are you Canadian? Then consider donating to the Ukraine Humanitarian Crisis Appeal
- New MDN!
- Bug 1756123 - 4.39 - 0.14% tart / tart (Windows) regression on Fri February 11 2022
- Conclusion: WONTFIX
- Bug 1550453 - Picture-In-Picture: toggle icon's display place should be customizable
- Duplicate of bug 1680885
- Bug 1756235 - Logspam during crashtest runs: JavaScript error: resource://gre/modules/URLQueryStrippingListService.jsm, line 90: TypeError: can't access property "removeEventListener", Services.cpmm.sharedData is null
- Commented!
Intermittent failure talk
- What is an Intermittent Test Failure?
- (Mike gives his sloppy definition in the video)
Mike's guide to dealing with intermittent test failures
- If you can, get it to reproduce locally!
- Look at the platform it failed on. Do you have access to it?
- See if you can reproduce it on that platform! Chances are, if it's restricted to a particular platform, you have a better chance of reproducing it there.
- Reproducing using:
- verify
- chaos mode
- --start-at / --end-at
- Or a mixture of the above
- If you can, get it to reproduce locally!
- What is an Intermittent Test Failure?
Chat
- Join us in the Livehacking room on Mozilla’s Matrix instance! Here’s documentation on how to join. I’m only sorta monitoring the Twitch chat. A bot will try to bridge Matrix and Twitch (joc-bridgebot).
Links
- nbp hacks on the SpiderMonkey JS engine
- Alessandro Castellani has been streaming himself livehacking on Thunderbird
- emilio hacks on Firefox!
- Compiler Compiler - watch a Mozilla engineer hack on the SpiderMonkey JavaScript engine!
- How mconley uses Mercurial
- Fission - what is it, and how does it work?
- Andreas Kling hacks on a custom browser engine for a hand-rolled OS called SerenityOS
- The Joy of Coding: Community-Run Episode guide
- Feel free to send pull requests to the repo!
- Here’s the guide for creating pull requests that smurfd used and recommends!
- Check out Josh Marinacci hacking on Firefox Reality, our nascent VR browser!
- I've been mirroring the episodes to YouTube
- Code Therapy with Danny O’Brien
- Watch a developer put together a Windows game from scratch (no third-part engines) - really great explanations: https://handmadehero.org/
- /r/WatchPeopleCode for more livehacking!
Glossary
- BHR - “Background Hang Reporter”, a thing that records information about when Firefox performs poorly and sends it over Telemetry
- e10s ("ee ten ESS") - short for Electrolysis, which is the multi-process Firefox project
- CPOW ("ka-POW" or sometimes "SEE-pow") = Cross-Process Object Wrapper. See this blog post.
- Deserialize - "turn a serialized object back into the complex object”
- Serialize - "turn a complex object into something that can be represented as primitives, like strings, integers, etc
- Regression - something that made behaviour worse rather than better. Regress means to “go backward”, more or less.
- l10n - localization
- a11y - accessibility
- i18n - internationalization
- k8s - kubernetes
Feedback
- @mconley@mastodon.social on Mastodon
- @mike_conley on Twitter
- mconley in IRC on irc.mozilla.org
- mikeconley.ca/blog
- mconley at mozilla dot com