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Isolation Transformer for Safe Electronics Repair — Guide

https://sudonull.com/isolation-transformer-for-safe-electronics-repair-guide

How to Create a Powerful Isolation Transformer (1-2 kVA) for Diagnosing Switching Power Supplies. Avoid Short Circuits and Equipment Damage. Key Design Parameters.

PostgreSQL: Transactions, Locks, Isolation Levels, MVCC, VACUUM

https://sudonull.com/postgresql-transactions-locks-isolation-levels-mvcc-vacuum

Deep dive into PostgreSQL transaction and locking mechanisms. Analysis of isolation levels (Read Committed, Repeatable Read, Serializable), MVCC, VACUUM, and methods for solving concurrency issues.

Playwright: DI and isolation for 1000 tests

https://sudonull.com/playwright-di-and-isolation-for-1000-tests

Setting up fixtures, POM getters and Faker seeding for stable launch of 1000+ tests in CI. Lazy objects, mergeTests, data factories. Instructions for middle/senior.

DWH Sandboxes for AI: Isolation and Security

https://sudonull.com/dwh-sandboxes-for-ai-isolation-and-security

Learn how sandboxes solve AI hallucination problems in DWH. Task isolation, integration into Dev-Test-Prod pipeline. T-Bank practice and asapBI platform for developers.

Time Series Anomaly Detection ML

https://sudonull.com/time-series-anomaly-detection-ml

Study Isolation Forest, CatBoost and autoencoder for detecting threats in storage logs. Code, metrics, comparison. Apply in infosec without labeling.

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