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Pavel Myslik

Ruby / Rails developer focused on writing clear and maintainable code.

Prague, Czech republic Joined on Feb 12, 2026

Mar 25

Fixing Production Data in Rails: Lessons from a 6,000-Row Backfill

#rails #ruby #database #webdev

6 min read

Mar 11

I Thought My Rails Query Was Fine — Until NULL Ate My Data

#rails #webdev #sql #postgres

2 min read

Feb 24

Stop Using .any? the Wrong Way in Rails

#rails #ruby #performance #sql

3 min read

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