A Strands Graph stops for a teacher when two models disagree, AWS KMS signs every exam grade, and EventBridge with Step Functions re-marks when the rules change.
A deletion-audit agent on AWS, and what each service made possible. All 19 surviving S3 copies found, every read on record, false COMPLETEs down from 16 to 0.
Strands Decider 2B checks every camera-trap frame before a vision model does. On cameras it had never seen, it cleared nearly half the empty frames for free and still caught 96.7% of animals.
A voice agent for a bank's failed-payment line that can refund real money. When it refuses, it tells the caller why and where to go instead, in Hindi or English.
I learned AWS from courses at home during COVID. Five years later I was hosting a track at AWS Community Day Bengaluru. This is what happened in between, and what I build on AWS now.
A UPI screenshot can be edited or shown twice. Unforged checks it against the bank's DKIM-signed credit alert and lets each credit pay for one order, enforced by Aurora DSQL.
An agent stuck in a loop overnight can spend real money before anyone is awake to stop it. A budget gate that holds under concurrency is the fix.
Ship an LLM feature and the eval suite becomes the spec, whether you meant it to or not. Write it like one from the start.
The moment an agent takes a real action, someone has to say who asked for it and whether they were allowed. Signed envelopes checked against policy answer both.
One cache layer does not survive LLM traffic. Three tiers and an in-flight coalescer held costs and latency down, and the tracing mattered more than any of them.
Why your app answers on localhost:3000, what the port actually does, and how protocols and performance fit together underneath it.
Blockchains are transparent, decentralized, and resilient. What they are not is instantly consistent, and CAP explains why that trade is deliberate.
Every chain trades between decentralization, security, and scalability. The trilemma is a map of which two a design is choosing to keep.
A walk through what Aptos is actually doing about scalability, security, and decentralization, and where the Move language fits in.
depextract reads a package.json and writes the install commands for its dependencies and dev dependencies, for npm, yarn or pnpm.
Two package managers in one project means conflicting lockfiles and versions. An .npmrc with engine-strict and an engines field in package.json stop it at install time.
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