This Week in Spring - September 28th, 2021

Engineering | Josh Long | September 28, 2021 | ...

Spring Data JDBC - How do I make Bidirectional Relationships?

Engineering | Jens Schauder | September 22, 2021 | ...

This is the second article of a series about how to tackle various challenges you might encounter when using Spring Data JDBC. The series consists of

  1. Spring Data JDBC - How to use custom ID generation.

  2. Spring Data JDBC - How do I make bidirectional relationships? (this article).

  3. Spring Data JDBC - How do I implement caching?

  4. Spring Data JDBC - How Can I Do a Partial Update of an Aggregate Root?

  5. Spring Data JDBC - How do I Generate the Schema for my Domain Model?

If you are new to Spring Data JDBC, you should start by reading its introduction and this article, which explains the relevance of aggregates in the context of Spring Data JDBC

This Week in Spring - September 21st, 2021

Engineering | Josh Long | September 21, 2021 | ...

Efficient Parsing of Reactive Buffer Streams

Engineering | Arjen Poutsma | September 14, 2021 | ...

It has been a while since Spring Framework 5.3 was released. One of the features in that release was a major overhaul of our Reactive Multipart support. In this blog post, we share some of the knowledge learned while working on this feature. Specifically, we focus on finding a token within a stream of byte buffers.

Multipart Form Data

Whenever you upload a file, your browser sends it — and other fields in the form — to the server as a multipart/form-data message. The exact format of these messages is described in RFC 7578. If you submit a simple form with a single text field called foo and a file selector called file, the multipart/form-data

This Week in Spring - September 14th, 2021

Engineering | Josh Long | September 14, 2021 | ...

Hi, Spring fans! It's September 14th! I can't believe it. I know this is a common refrain on my weekly posts, but can you believe it's already nearly Fall and Winter? What is happening?? How'd we get here so quickly?

Anyway, how are you doin'? I'm doing alright! It's been kinda a crazy week. I was in the studio all day and some of the night yesterday filming a new Livelessons video that I can't wait for y'all to see. (But be forewarned: there will be .YAML!)

Then, at 3am my time, I did a presentation for the Japanese Java User Group. This would be one thing in of itself, but what made this special for me was that I was supposed to appear at the JJUG six weeks ago. Yes, that six weeks ago. The same six weeks ago when I was convalescing with COVID-19, six weeks ago. Needless to say (but I will!), when one is sick with the virus, they sleep. So I did. A lot. And I ended up accidentally sleeping through my appearance. And they graciously, empathetically, and kindly agreed to reschedule a week (or two? It's all a blur to me) later. Anyway, I also slept through that one!! Ugh! I was and am so embarrassed! I still am…

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