
William Saar
@saarw
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Freelancer | Backend and data engineering for Spotify and Candy Crush, helped build SF-based appsec startup, financial trading tech @javamissionctrl
Stockholm + Remote
Joined October 2012
Great to see mass-market software migrating to memory-safe languages.
Ever wondered what it takes to modernize systems at massive scale? Tune in to the latest Meta Tech Podcast where we discuss a bold project to rewrite decades-old C code in Rust and how it will transform a central messaging library shared across Messenger, Facebook, Instagram, and
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Good summary of some of the problems apps that use LLMs need to manage.
+1 for "context engineering" over "prompt engineering". People associate prompts with short task descriptions you'd give an LLM in your day-to-day use. When in every industrial-strength LLM app, context engineering is the delicate art and science of filling the context window.
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RT @_avichawla: Finally! A RAG over code solution that actually works (open-source). Naive chunking used in RAG isn't suited for code. Th….
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RT @BdKozlovski: With a (one-time) budget of ~$42,000, you can configure a 3-broker Kafka cluster with HW capable of 56 GB/s of sequential….
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Languages that prevent or force handling of null pointers in the type system do provide meaningful stability improvements.
Full report for yesterday’s Google outage. - not feature flagging a new code path.- null pointer crashing a binary when reading empty fields from Spanner.- remediation causing a thundering herd as there was no exponential backoff.- which required manual throttling to recover from
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