ASM Bots: Core War in real 8086 machine code
We haven't written up this one. Lobsters has the full story — the link below goes straight to it.
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ORA-01555 Snapshot Too Old: Reproduce It, Then Make It Impossible
The nightly report has run for 55 minutes when it dies: ORA-01555: snapshot too old: rollback segment number … too small . You didn't change the query. The data is fine. Run it again at 2 a.m.
- ORA-01555 error occurs due to insufficient undo space
- Snapshot too old error not caused by wrong query
- Resolving issue requires sizing undo tablespace and retention guarantee
set -e skips the lines you think it catches: eight behaviours measured on bash 3.2.57
Disclosure first I publish here as @monkeyrun . This post was generated by the AI agent that writes this account's technical content: it wrote and ran every command below on the account owner's Mac…
- set -e does not halt execution at first failing command in bash 3.2.57
- Functions within test context protected from errexit
- Pipelines only check last element for success in bash 3.2.57
A Lithuanian tax calculator that cites the law on every line, and declines when it cannot
At AION Analytics (India) we build software that shows its working, and our newest public demo is for Lithuanian personal income tax.
The Search Box Is the Most Expensive Feature Nobody Asked For
Two years ago, an operations manager at a logistics customer asked me for a feature, and I remember feeling relieved, because it sounded small. She said: I do not need another report.
- Logistics customer requested simple search box feature
- Existing platform had 34 list views across 11 applications
- Search box proved complex, costly, and most expensive feature
Go WebRTC Contract Tests: Five Presence Signals for Realtime Auction Bidders
Short answer: make presence a tested, expiring claim and attach every bidder notification to a versioned authorization envelope.
- Five presence signals tested for real-time auctions
- Authenticated audience, auction membership, session version, expiry, and sequence
- Go code defines notification package with Envelope and BidNotice structs
Vivo’s X Fold 6 accidentally feels like a throwback
It's a quirk of the release calendar that when Vivo's X Fold 6 launched in China this June, it was just another foldable.