4 min read
The Speculative Leak
Why the browser's fastest new prefetching feature is opening a novel backdoor for cross-site timing attacks—and how to defend your state.
web-security
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Articles, guides, and thoughts on web development and technology
4 min read
3 Mathematical Reasons Why Vector Search Is Not Enough for High-Precision RAG
Semantic search often pulls in 'noisy' neighbors that confuse your LLM; learn why a cross-encoder stage is the missing link for true retrieval accuracy.
ai
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8 min read
The ndots:5 Tax: Why Your Kubernetes Cluster Is Silently Multiplying Your DNS Latency
A deep dive into the Linux DNS resolver's search-path logic and how the Kubernetes default configuration can force your services to perform five times the necessary lookups for every outbound request.
kubernetes
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4 min read
3 Things I Wish I Knew About the Postgres MERGE Statement Before It Broke My Production Concurrency
Uncover the hidden locking behaviors and atomicity gaps that make the new SQL-standard MERGE statement a risky alternative to traditional UPSERT patterns.
postgres
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8 min read
Your Service Mesh is a Double-Hop Tax: The Engineering Case for Sidecarless Networking
Examine the architectural shift from per-pod sidecars to node-level eBPF proxies and how it solves the persistent memory and latency penalties of modern microservices.
kubernetes
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8 min read
The Draft Model Gamble: What Nobody Tells You About Speculative Decoding in High-Throughput LLMs
Why adding a 'dumb' model to your inference pipeline is the secret to 3x throughput—and the mathematical threshold where the gamble starts to slow you down.
ai
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4 min read
The Truth in the Logits: How I Finally Tamed AI Hallucinations with Token-Level Logprobs
Stop guessing if your AI is lying and start measuring its confidence using raw token-level probability data to build a programmatic uncertainty monitor.
ai
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7 min read
Why Does Your 'Exactly-Once' Delivery Still Result in Duplicate Side Effects?
A deep dive into why transactional producers and idempotency keys aren't enough to stop the 'ghost' executions that haunt distributed event-driven architectures.
distributed-systems
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4 min read
How to Preview a 1GB File Without Downloading More Than a Few Kilobytes
Is your app wasting bandwidth on massive file downloads? Learn how to use HTTP Range requests and Blob slicing to extract instant previews without the data tax.
networking
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7 min read
The Page-Fault Cascade
Why 'instant-on' microVM snapshots suffer from a hidden performance penalty as demand-paging triggers thousands of synchronous kernel stalls during memory restoration.
linux-internals
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