Blog: mscharhag (Michael Scharhag)

232 blogs updated: 131 min. ago show: latest top this week top this month search:

HTTP - Content negotiation With HTTP, resources are identified using URIs. And a uniquely identified resource might support multiple resource representations. A repres... 10 22-11-2021 18:48:45 mscharhag (Michael Scharhag) Advanced

Avoid leaking domain logic Many software architectures try to separate domain logic from other parts of the application. To follow this practice we always need to know... 13 01-11-2021 12:29:01 mscharhag (Michael Scharhag) Advanced

Media types and the Content-Type header A Media type (formerly known as MIME type) is an identifier for file formats and format contents. Media types are used by different internet... 4 06-10-2021 21:52:10 mscharhag (Michael Scharhag) Advanced

From layers to onions and hexagons In this post we will explore the transition from a classic layered software architecture to a hexagonal architecture. The hexagonal architec... 13 20-09-2021 18:33:57 mscharhag (Michael Scharhag) Advanced

File down- and uploads in RESTful web services Usually we use standard data exchange formats like JSON or XML with REST web services. However, many REST services have at least some operat... 3 28-07-2021 21:47:03 mscharhag (Michael Scharhag) Advanced

Kotlin: Type conversion with adapters In this post we will learn how we can use Kotlin extension functions to provide a simple and elegant type conversion mechanism. Maybe you ha... 6 27-06-2021 21:36:31 mscharhag (Michael Scharhag) Advanced

Making POST and PATCH requests idempotent In an earlier post about idempotency and safety of HTTP methods we learned that idempotency is a positive API feature. It helps making an AP... 11 13-06-2021 18:17:12 mscharhag (Michael Scharhag) Advanced

Providing useful API error messages with Spring Boot For API users it is quite important an API provides useful error messages. Otherwise, it can be hard to figure out why things do not work. D... 14 31-05-2021 00:26:24 mscharhag (Michael Scharhag) Advanced

Supporting bulk operations in REST APIs Bulk (or batch) operations are used to perform an action on more than one resource in single request. This can help reduce networking overhe... 10 03-05-2021 17:21:34 mscharhag (Michael Scharhag) Advanced

Looking into the JDK 16 vector API JDK 16 comes with the incubator module jdk.incubator.vector (JEP 338) which provides a portable API for expressing vector computations. In t... 9 08-04-2021 15:29:30 mscharhag (Michael Scharhag) Advanced

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