Blog

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

Series

Angular HttpClient for API Requests: GET, POST, Error Handling and Interceptors

We send GET, POST, PUT and DELETE requests with Angular 12's HttpClient. Typed responses, HttpParams, error handling with catchError and retry, class-based interceptors and environment config.

31 Oct 2026 9 min 4

Frontend PART 31

Angular 22: OnPush by Default, Stable Signal Forms and a File-by-File Comparison with Angular 12

In Angular 22 OnPush is the default, Signal Forms and the resource APIs are stable, and HttpClient uses Fetch. We also cover the yearly major cadence and a file-by-file diff with an Angular 12 project.

31 Oct 2026 7 min 6