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.
https://sudonull.com/cambalache-1-0-gtk-ui-editor
Cambalache 1.0 — WYSIWYG tool for GTK 3/4 interfaces with MVC and Casilda. Style support, GResources, Undo. Install Flatpak and develop UI without Glade. For developers.
https://sudonull.com/designing-oltp-db-on-rust-principles
Learn the principles of creating an OLTP database from scratch: restrictive by default, contract-first, Rust traits, hybrid async/sync. Real trade-offs for middle/senior dev. Study the architecture.
Figure AI introduced the humanoid robot Figure 02 with physical AI and OpenAI language model. The robot passed tests at BMW factories. Learn how humanoid robots are changing manufacturing.
Learn what is the difference between vpn and proxy, from encryption to scope. Discover which tool fits your privacy needs with our expert comparison.
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Learn how to become a self-taught programmer and get a job in 2026 with this practical roadmap. Master fundamentals, build a portfolio, and land your first developer role.
Learn how to use docker for beginners with this hands-on guide. Run containers, build images, and master Docker Compose. Start containerizing your apps today.
Discover how to learn Python for beginners with this step-by-step roadmap. Master fundamentals, data structures, and build real projects. Start your coding journey today.
Master prompt engineering best practices with 15 proven techniques. Learn to craft effective prompts, reduce errors, and get better AI results. Start optimizing now.
Docker container networking explained in depth: learn bridge vs host networks, DNS, port publishing, and how to build secure, scalable multi-container apps.