If you work with virtual machines, system emulation, or low-level OS development, chances are you’ve crossed paths with QEMU—even if you didn’t realize it. QEMU is an open-source machine emulator and virtualizer that can run entire operating systems on top…
If you’ve worked with PostgreSQL long enough, you’ve probably heard this sentence before: “PostgreSQL is safe because everything is written to WAL.” It sounds reasonable. It feels reassuring. And it’s only half true. This misunderstanding — confusing WAL with actual…
Introduction One of the most confusing aspects of PostgreSQL’s logical replication is understanding the relationship between WHERE conditions in your SQL statements and REPLICA IDENTITY configuration. Many developers mistakenly believe that: “If I use a WHERE clause with specific conditions,…
Introduction pglogical is a powerful PostgreSQL extension that provides logical streaming replication using a publish/subscribe model. Developed by 2ndQuadrant (now part of EnterpriseDB), it enables selective replication of tables, columns, and rows between PostgreSQL instances, offering flexibility that traditional physical…
Why Anthropic’s “Skills” quietly changed how agents should work Let’s be honest for a second. MCP looks great in demos. It feels clean. Structured. Powerful. And then you try to use it in a real system. Suddenly things start to…
Why This Update Actually Matters (Spoiler: It’s Not About Pretty Pictures Anymore) Listen, I get it. We’ve all seen countless articles promising that the latest AI will “revolutionize” how we create images. Usually, it’s just… another art generator. Pretty? Sure.…
If you’ve ever tried making videos with NotebookLM, you probably noticed something: the built-in styles felt… limited. They were clean, sure. But they didn’t stretch your imagination the way you hoped. Good news — that changes now. NotebookLM has finally…
“CPU at 90%! Check immediately.” If you’re a Linux admin, you’ve definitely heard this. And the moment that alert fires, everyone suddenly remembers your name: You log in, open top, stare at the screen refreshing every second… and still have…
Introduction to Redis What is Redis? Redis (Remote Dictionary Server) is an open-source, in-memory data structure store that can be used as a database, cache, and message broker. It’s known for its exceptional speed, simplicity, and versatility. Key Characteristics Common…
When you hear headlines like “16 billion passwords leaked in a single breach,” or “Millions of Gmail accounts compromised in October 2025,” it’s clear just how vulnerable digital accounts have become. Even Apple and Facebook recently fell victim to massive…
