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
Entity Framework Core
28
Dapper
16
Git & GitHub
29
Web Security (OWASP Top 10)
21
LLM Fundamentals
20
C# Fundamentals
20
Object-Oriented Programming in C#
16
C# Collections and Generics
11
LINQ
17
Asynchronous Programming in C#
17
Advanced C#
14
C# Versions
6
Solution Patterns
22
2 posts found
#httpclient
Frontend
PART 12
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
51
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
59