Q&A
Where developers think out loud together.
8 questions
122votes
9✓ solved
5.8kviews
Why is my Postgres `IN (subquery)` 200x slower than the EXISTS form?
#perf#postgres
JM
Jordan Mirelesasked 1d ago84votes
12✓ solved
2.4kviews
How do you actually test code that calls an LLM in CI?
#llm#testing
AB
Aarav Bhattasked 3h ago64votes
7✓ solved
2.1kviews
Kafka consumer rebalancing dropping messages — what am I missing?
#go#kafka
TR
Tomás Reyesasked 3d ago41votes
6answers
1.1kviews
EF Core 9: split queries vs. AsSplitQuery() — when is each correct?
#csharp#dotnet#efcore
HO
Hana Okaforasked 5h ago38votes
4answers
980views
Tokio: how to cancel a long-running select! arm cleanly
#rust#tokio
MC
Mira Castellanosasked 1d ago32votes
3answers
720views
Source generator: how to debug a generator that runs on the wrong syntax tree
#csharp#roslyn
HO
Hana Okaforasked 4d ago27votes
8✓ solved
1.3kviews
Best pattern for typed feature flags in a TS monorepo?
#monorepo#typescript
DP
Devon Parkasked 2d ago19votes
5answers
870views
Why does `useLayoutEffect` fire twice in dev only?
#react
YV
Yulia Volkovasked 2d ago