Daniel Lockyer
@DanielLockyer
âĸ I make sites faster and cloud/LLM bills lower đ
âĸ 2:43 marathoner (đ 2:39)
âĸ Performance is my thing
194 Following 73.1K Followers
New record for Stack Overflow:
<1000 questions posted last month
In about a month, I'm becoming a dad đĨš
Our first child, a girl, is on the way and we couldn't be more excited for this new chapter!
I'll be taking some time off towards the end of this year, so expect fewer performance posts and more sleep-deprived content for a bit đ´
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I'd say ~75% of my issues with AI coding disappeared once I gave my agent the ability to verify its own work
pstack just autonomously found and fixed a chronic event loop stall caused by an O(n^3) issue in code
160x speedup đ¤
I've shipped 19 performance-related PRs solely with pstack so far today
Shoutout to pstack and Opus 5.5 for optimizing production deploy time by ~30%
Give your agent full access to deploy logs and source code, and it does amazing things
wow, X has launched a call scheduling feature
If you're running Redis as a simple cache, you should probably turn off snapshotting and journalling
Data is lost after a restart, but you save on so much CPU usage
Convinced that this is most of the drama on here
A lot of people are just bored and want something to be angry about
Some crazy graphs of PR/commit growth on GitHub since 2023
GitHub auth flow for Grok @bot iOS app is completely broken @cursor_ai
Stack Overflow has gone from a peak of 207k questions in march 2014, down to 1.4k in july 2026
end of an era
Reporting back: it's so good, I'm keeping it
One of the things that used to annoy me was all this fake gaslighting language ("this is the smoking gun")
Or verbose, waffling technical prose that is hard to parse
And now it's gone đ§ââī¸
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@elitepax It's very good
Just add a global agent rule saying "Only report to me in ASD-STE100 Simplified Technical English."
You don't need a skill, it's a waste
some trains were halted in the UK because an AI-modified picture circulated on social media, proposing heavy damage had occurred to a bridge
