Tech Tutorials

I had prepared the architecture most Senior Backend Engineers would recognize immediately, including PostgreSQL as the source of truth… Continue reading on Java

The endpoint had survived months of releases, ordinary production traffic, load tests, and code reviews without giving us any reason to… Continue reading on Med

The endpoint looked harmless because it returned a list of customers with their recent orders, the code was short enough to understand… Continue reading on Medi

Server Actions made a lot of backend logic in Next.js dramatically simpler — no separate API route needed for a form submission. But they… Continue reading on M

Find the process blocking a port, compare messy API responses, and keep the build log you always forget to save. Continue reading on Medium »

Find the process blocking a port, compare messy API responses, and keep the build log you always forget to save. Continue reading on Medium »

I had spent weeks making my system design and production answers more complete. Continue reading on Let’s Code Future »

The questions I remembered were about databases, queues, caching and production incidents. The useful part turned out to be what happened… Continue reading on J

A deep-dive walkthrough of authentication in ASP.NET Core — covering the ClaimsPrincipal/ClaimsIdentity model everything else builds on… Continue reading on Med

A mapper bean that had shaped every API response for three years stopped applying the day the service moved to Spring Boot 4, and for two… Continue reading on C

When you need to run tasks automatically in Spring Boot, cron expressions make it easy to schedule them at specific times or intervals. Continue reading on Medi

A record ID identifies data. It does not prove that the requester may read or change it. Continue reading on Medium »

AI can write a function in seconds. It can generate an API endpoint, build a React component, create a database query, write unit tests, and even refactor an en

TL;DR: Before a customer can automate anything in your product, they have to connect their own accounts . ByteChef Embedded makes that a two-piece job: (1) your

Last week we took an LLM apart token by token. This week: the black window you type in every day and have probably never questioned. Continue reading on Medium

If you have a Java interview coming up, don’t spend all your time revising basic syntax, OOP concepts, or definitions. Continue reading on Medium »

PL/SQL Exception Handling provides a controlled mechanism to handle runtime errors without abruptly terminating the application. It allows… Continue reading on

Telefonumuzdan mesaj gönderdiğimizde, bir video açtığımızda veya yapay zekâya soru sorduğumuzda ekranda oldukça basit bir işlem görürüz… Continue reading on Med

A developer I once worked with told me his worst outage came from a snippet he found in an official documentation page. Not a sketchy forum post, not an AI chat

A backend engineer increases the thread pool. Continue reading on Medium »

“Your database isn’t slow. Your ORM is having a conversation with it that nobody asked for.” Continue reading on Medium »

A decade-old JavaScript compiler got rewritten in Go, and the first thing I noticed was how much dead time it removed from my day Continue reading on Medium »

Offset pagination makes the database walk past rows you never return. Keyset pagination starts from where the previous page ended. Continue reading on Medium »

How automatic kernel resets prevent state from leaking between requests in long-running workers. Continue reading on Medium »