Jean Boussier
@byroot.bsky.social
Rails core, Ruby committer, Senior Principal Engineer at Intercom.
Ruby is in a trolling mood today 😂
November 14, 2025 at 6:56 PM
Ruby is in a trolling mood today 😂
Happy to share that today I'm starting as senior principal at Intercom!
November 11, 2025 at 8:53 AM
Happy to share that today I'm starting as senior principal at Intercom!
I found some relic while emptying my father’s house.
October 24, 2025 at 12:15 PM
I found some relic while emptying my father’s house.
A few weeks ago I got a bit pissed:
September 30, 2025 at 9:14 AM
A few weeks ago I got a bit pissed:
We've reached the point where "security researchers" now unironically answer on Hackone with "ChatGPT said:"
September 30, 2025 at 8:15 AM
We've reached the point where "security researchers" now unironically answer on Hackone with "ChatGPT said:"
I keep receiving that same recruiter email every couple weeks...
September 27, 2025 at 12:40 PM
I keep receiving that same recruiter email every couple weeks...
It adds a translation button for people with a different language.
September 19, 2025 at 11:29 AM
It adds a translation button for people with a different language.
Why is there JS on my Rails beer???
September 5, 2025 at 5:25 PM
Why is there JS on my Rails beer???
Be careful of impersonators
September 5, 2025 at 11:44 AM
Be careful of impersonators
The part about "corporate cultures shift" feels close to home 😢
June 13, 2025 at 6:18 AM
The part about "corporate cultures shift" feels close to home 😢
This seemingly pointless change made a very significant performance difference.
Can you guess why?
The answer is in the PR: github.com/okuramasafum...
Can you guess why?
The answer is in the PR: github.com/okuramasafum...
March 6, 2025 at 3:55 PM
This seemingly pointless change made a very significant performance difference.
Can you guess why?
The answer is in the PR: github.com/okuramasafum...
Can you guess why?
The answer is in the PR: github.com/okuramasafum...
Alright, I think I'm about done with it, just above 10k words, or 1/6th of my entire blog...
I "just" need to fix all the typos and grammar, thank god for grammarly.
I "just" need to fix all the typos and grammar, thank god for grammarly.
March 4, 2025 at 12:06 AM
Alright, I think I'm about done with it, just above 10k words, or 1/6th of my entire blog...
I "just" need to fix all the typos and grammar, thank god for grammarly.
I "just" need to fix all the typos and grammar, thank god for grammarly.
@github.com recently changed their notification email in a way that breaks dark mode in Apple mail.
I can't seem to find a place to report it though, aside from the dumping ground that is the community discussions. 😢
I can't seem to find a place to report it though, aside from the dumping ground that is the community discussions. 😢
February 21, 2025 at 9:34 AM
@github.com recently changed their notification email in a way that breaks dark mode in Apple mail.
I can't seem to find a place to report it though, aside from the dumping ground that is the community discussions. 😢
I can't seem to find a place to report it though, aside from the dumping ground that is the community discussions. 😢
I vote for endless heredocs
November 12, 2024 at 7:59 AM
I vote for endless heredocs
If you don't use a literal value that can be optimized out, it then behave as you expected:
November 4, 2024 at 4:55 PM
If you don't use a literal value that can be optimized out, it then behave as you expected:
The trick is that from the Ruby compiler point of view, this regexp isn't actually dynamic, because (I assume) the peephole optimizer see the interpolation can be resolved statically, and just eliminate it.
November 4, 2024 at 4:54 PM
The trick is that from the Ruby compiler point of view, this regexp isn't actually dynamic, because (I assume) the peephole optimizer see the interpolation can be resolved statically, and just eliminate it.
Supporting evidence:
November 4, 2024 at 4:46 PM
Supporting evidence: