6 essays
Ever had a simple page grind your database to a halt? The N+1 query problem is often the culprit, a silent killer hiding in plain sight, turning what should be one efficient query into a cascade of costly trips to the database.
Peeling back the layers of high-frequency trading applications isn't about fancy UIs or abstract cloud principles. It's about brutal optimization, network physics, and debugging systems where milliseconds cost millions. This is how the real game is played.
Peeling back the layers of C++ threads, from CPU context switching to the brutal realities of cache coherency and false sharing that turn textbook concurrency into a production incident.
Forget the blog posts that make it sound easy. This is the raw truth about deploying apps on a VPS, forged in the fires of 3 AM incidents. We'll cover what actually matters: security, process management, and not losing your mind.
Learn how to install PostgreSQL and fix the “Peer authentication failed for user postgres” error on Linux systems using simple configuration changes and proper user setup.
Automatically create Oracle free VMs when regions are saturated. Use GitHub Actions and scheduled retries to keep attempting instance creation until capacity becomes available.