Daniel Fernández

@danfenz.dev

Software engineer. Author of open source technologies @thymeleaf.org, unbescape, attoparser, atomichash, javatuples, javaruntype, jasypt, op4j and javagalician. 🏡 Galicia, Spain, European Union.

@libro.fm I understand why you may need to do this for a small set of books. But I worry to see such set growing (+3 books in my wishlist), and your "à la carte" prices for these books are quite higher than those in Audible — in some cases, even titles included "for free" in Audible's subscription 😔

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The advent of the LLM-driven security auditor not only causes a flood of questionable reports on open source projects, but interestingly also causes some of these reports to report exactly the same with few days difference.

There is a kind of user that doesn't read the docs, opens tickets because they try programming using the force and fail and that, when you point out their error to them, just open a new ticket blaming your docs for not being good enough. You simply have to admire their determination in life.

Everyone today: "Your password must be 18 characters long, contain upper case, lower case, two numbers 0-9, a punctuation mark, a musical note and a fifteenth century kanji letter." Meanwhile banks: "Maximum 8 characters, only A to Z upper case allowed."

Reorganizing development work stints in order to make the best use of the available AI credits before they top up the following month. The trend that no one saw coming.

So apparently, if you are a huge software vendor and charge big money for support and consulting, you can sell rubbish software and ignore standards and specs, and then expect that your customers will force their OTHER vendors to adapt to your garbage because that will be much cheaper for them.

I've just asked 3 AIs about the way to obtain, using the "uv" command, which is the version of the python runtime that is being used for the active virtual environment. I know I can use "python --version", but I was curious to see whether I could do everything with "uv".

SQL was dead. Then Hadoop got the hype, and we put a SQL layer on top to improve it. Then noSQL got the hype, and we put a SQL layer on top to improve it. Then the Data Lake got the hype, and we put a SQL layer on top to improve it. I can't wait to see what SQL looks like on top of AI agents.

This touches on two critical points most people miss: First that most OSS, even popular projects, get no relevant external contributions ever. Second that maintainers get NOTHING out of their effort besides a fancy line in their CVs that most companies ignore. OSS is 95% fueled by mere dev pride.

The New Stack@thenewstack.io · 12mo ago

Despite running the world’s software economy, open source projects like curl lack backing. @AlexWilliams.bsky.social explains @daniel.haxx.se’s call for companies to finally step up and support what they rely on.

Even the smallest piece of software you want to try is now distributed as a 12-container docker-compose deployment or kubernetes cluster. Everything is so slow. It's incredible how good we are at making our new shiny supercomputers turn uncomfortable and cumbersome at every step of the tech cycle.

Oooh...what are these shiny new lock icons 🤔 That's right... Spring Modulith support landed in @intellijidea.com 2025.2. You don't have to run the test to know whether you are violating any module boundaries. IntelliJ IDEA tells you as you code 🔥

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IntelliJ IDEA, a JetBrains IDE@intellijidea.com · last yr.

🎉 IntelliJ IDEA 2025.2 is out! It brings powerful updates to help you stay productive, write better code, and adopt the latest tech with confidence. Discover what’s new: www.jetbrains.com/idea/whatsnew/