IAIkem Adainviolacordis.hashnode.dev·3d ago · 6 min readMessage Queues: Why Your API Should Not Wait for Everything to FinishPicture a bulk payment endpoint that processes a batch upload of employee salaries. For every row in the file, it debits the company account, credits the employee, sends a payslip email, and writes a 00
IAIkem Adainviolacordis.hashnode.dev·4d ago · 6 min readIdempotency: Why Tapping Send Twice Should Never Charge You Twice Chidi owes his friend ₦15,000 for his share of a restaurant bill. He opens his banking app, types in the amount, taps Send, and the screen hangs on a spinner. He waits. Nothing happens, and he cannot 02I
IAIkem Adainviolacordis.hashnode.dev·Aug 26 · 5 min readAI Made Your Team Faster. It Also Made Your Mistakes Permanent.Building software used to be slow enough to make you think. That's not a complaint. The friction was a feature. Before your team committed to anything, they had to justify it, refine it, and argue abo00
IAIkem Adainviolacordis.hashnode.dev·May 12 · 8 min readIntroduction to Computer NetworksEvery time you send a message, join a video call, stream a movie, or open a website, something invisible happens in the background. Your device connects with others, data travels across systems, and i00
IAIkem Adainviolacordis.hashnode.dev·May 5 · 7 min readInside the Query Optimizer: How Databases choose and Evaluate Query PlansYou write a query. The database runs it. You get your result. Simple, right? Not quite. Before your query ever runs, the database is already making decisions behind the scenes. It evaluates different 00