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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.

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.

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.

From other projects

Inflation 3.3% and GDP growth 2.0% cast doubt on rate cuts

https://ymaho.com/inflation-3-3-and-gdp-growth-2-0-cast-doubt-on-rate-cuts

US CPI inflation reached 3.3%, and GDP growth slowed to 2.0%. Find out why the spike in gasoline prices and stagflation risks will close the door to a Fed rate cut in 2026.

Inflation in Europe rose to 2.6%: impact on the world

https://ymaho.com/inflation-in-europe-rose-to-2-6-impact-on-the-world

Eurozone inflation rises to two-year high. How energy price spikes affect global markets, exchange rates, and ordinary people's lives.

Inflation in Russia 5.47%: why this is not a reason for joy

https://ymaho.com/inflation-in-russia-5-47-why-this-is-not-a-reason-for-joy

Annual inflation slowed to 5.47%, but behind the statistics lies stagflation and demand compression. Find out what will happen to the Central Bank rate and the OFZ market. Risk analysis.

Inflation will return to target later: Fed concerns

https://ymaho.com/inflation-will-return-to-target-later-fed-concerns

Fed minutes showed increased risk of inflation returning to 2% later. Analysis of the impact of conflict and energy shock on the rate. Read forecasts and insights.

Inflation in Russia 2026: 5.48% — what will happen to the Central Bank rate

https://ymaho.com/inflation-in-russia-2026-5-48-what-will-happen-to-the-central-bank-rate

Inflation in Russia for the week was 0.07%, annual reached 5.48%. Gap between Central Bank and Ministry of Economic Development methodologies, rate forecast for June 18. Analytics.

US Inflation 3.8%: Risks for Fed Policy and Economy

https://ymaho.com/us-inflation-3-8-risks-for-fed-policy-and-economy

US inflation reached 3.8% amid expensive oil and tariffs. The Fed keeps the rate. Risk analysis, forecasts and implications for markets. Read more.

US inflation accelerated to 3.8%: triple blow and risks

https://ymaho.com/us-inflation-accelerated-to-3-8-triple-blow-and-risks

US inflation reached 3.8% due to war, tariffs, and AI. The Fed may raise rates. Analysis of drivers, consequences, and forecasts. Read more.

Inflation in the US and wage growth: CPI data 2026

https://ymaho.com/inflation-in-the-us-and-wage-growth-cpi-data-2026

Analysis of price data in the US: how inflation eats up wage growth. CPI forecasts, Fed reaction and impact on markets. Read details.

Inflation in Japan 3.1%: Bank of Japan considers rate hike

https://ymaho.com/inflation-in-japan-3-1-bank-of-japan-considers-rate-hike

Inflation in Japan reached 3.1%, Bank of Japan signals possible rate hike. Analysis of causes, economic consequences and forecasts. Find out who wins and who loses.

US Inflation and ECB Decision: Market Analysis and Forecasts

https://ymaho.com/us-inflation-and-ecb-decision-market-analysis-and-forecasts

We analyze market expectations ahead of the US CPI release and the ECB decision. Find out how inflation and rates will affect the dollar, euro, and investments.