SXZ.io — Tech Blog

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How to Find a Slow Query in PostgreSQL 18 With pg_stat_statements, Read Its EXPLAIN ANALYZE Plan, and Fix It With the Right Index
October 27, 2026
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Two Labs’ Claimed Refutations of the Exponential Time Hypothesis Turn Verification Into a Statement-Reading Problem, and Their Lean Theorems Promise Only That a Constant Exists
October 27, 2026
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Tailscale Merged Fixes for Most of the 11 “Tailworm” Findings Before Shipping a Release, and the Forwarding Switch It Recommends Already Exists in the Shipped Client
October 27, 2026
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How to Stop Decompression Bombs in Python With Hard Output Limits for gzip, Brotli, zstd, ZIP, and tar.gz
October 27, 2026
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Anthropic’s S-1 Puts Safety Audits Inside the “Closing the Loop” Cycle It Warns About, and Says Its Evaluations Could Overstate Safety
October 27, 2026
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