Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12

2 posts found #http

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Backend PART 01

What Is an ASP.NET Core Web API? HTTP and REST Fundamentals

We meet the Web API through the HTTP window: request and response anatomy, methods and idempotency, status code families and resource-oriented URLs. We also lay out the series: a .NET 6 core, then version posts.

4 Nov 2026 9 min 1

Frontend PART 11

JavaScript Fetch API: GET, POST, response.ok, Timeouts and an Intro to CORS

We fetch and send data with the Fetch API and see why a 404 skips catch, how response.ok helps, POST/PUT/DELETE, timeouts with AbortSignal.timeout, CORS, and showing loading and error states.

3 Nov 2026 9 min 6