4 min read
Lolo Cab: shared-ride seats are a counter, and counters race
Backend notes from Lolo Cab — why check-then-decrement seat counts break under concurrent bookings, and the atomic-update fix.
Archive
The log
Everything I've written here — filter by tag or search from the nav.
All#astro#aws#concurrency#dev-notes#huggingface#kyc#lolo-cab#mongodb#nlp#nodejs#process#python#react-native#security#seo#smart-trust-meter#sports-pregame#thegrindcalc
3 min read
Lolo Cab: DigiLocker KYC is a status machine, not a file upload
Backend notes from Lolo Cab — provider-backed KYC for drivers and vendors, what never goes to the client, and why admin gates on verification state.
4 min read
Smart Trust Meter: DistilBERT, Roman Urdu, and why the model lives on Hugging Face
Thesis NLP notes — DistilBERT as the live sentiment model, LSTM as the offline backup, Roman Urdu augmentation, and why ML ran on Hugging Face while the API stayed on Render.
3 min read
Sports PreGame: public defaults, auth oracles, and soft social takeovers
A second pass over public reads and auth — defaults that weren't access control, error messages that leaked too much, and social login that trusted the wrong signal.
2 min read
Sports PreGame: SSRF, mass assignment, and the New Architecture ad break
What broke in production on a React Native + AWS youth soccer app — and the fixes that actually stuck.
2 min read
thegrindcalc.com: Astro, trailing slashes, and Search Console surprises
Build notes from The Grind Calc — a coffee-to-water ratio calculator on Astro, plus the SEO footguns that showed up first.
2 min read
What I wish I logged earlier on every project
A short note on keeping a technical log — decisions, incidents, and the boring fixes that save you next month.