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I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

Build Faster Persistence Layers With Spring Data JPA 3 by Thorben Janssen @ Spring I/O 2024

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Dynamic Projections with Spring Data JPA

Freelance software consultant Maciej Walkowiak (of Just and Spring Cloud AWS fame) has recently published this interesting article on dynamic projections with Spring Data JPA. Dynamic projections allow you to determine the type returned by JPA query methods at invocation time, which comes in handy in case you want to return different attribute subsets from your data model for various use cases without having to incur the maintenance cost of creating a new query method for each such projection. Read more

Performance-Oriented Spring Data JPA & Hibernate by Maciej Walkowiak @ Voxxed Days Zürich 2024

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Harnessing Amazon’s DynamoDB with Spring by Iuliana Cosmina @ Spring I/O 2022

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“Paging with Spring Boot” by Tom Hombergs: A Guide to Paging and Pagination in Spring-based Web Applications

In his article Paging with Spring Boot software engineer Tom Hombergs (a former fellow student) provides an in-depth explanation of paging and pagination concepts and how to implement those in web applications with Spring Data and its Pageable interface. The article covers aspects such as sorting, usage with Spring Data repositories and testing. It's a useful reference for iteratively retrieving and displaying a larger amount of items from a database in a Spring Boot and Spring Data context in an efficient manner. There's ... Read more

JSON Schema to TypeScript declarations: Keeping Client and Server Models in Sync with Spring Data REST and Typescript

With web applications a separation between client and server is commonplace nowadays: While the server (also often called back-end) deals with the underlying model, data storage and the predominant part of the business logic, the user interface and user-facing behaviour in general is realised with JavaScript, HTML and CSS on the client (also referred to as front-end), i.e. the user's browser. Frequently, frameworks such as Angular are used in order to facilitate development and make code easier to read and generally more ... Read more