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Found this article and it articulated something I've felt for a long time: that the software industry took a significant wrong turn when it replaced the culture of detailed specifications (like the German 'Pflichtheft') with the ambiguity of user stories and backlogs.

The author makes a compelling case that this shift, done in the name of "agility," actually introduced chaos and massive costs, especially in critical systems. They make it clear this wasn't a return to waterfall; the article describes how these specs were *living documents, developed iteratively over years.* Serious institutions like Deutsche Bundesbank (the German central bank) used this rigorous approach and built rock-solid, durable systems such as TARGET/SEPA as a result.

The most interesting point, though, is how GenAI completely changes the calculus. It transforms the detailed spec from a mere document for humans into the *ultimate prompt*: an executable, high-level source code for AI. The article links to a brilliant talk by Sean Grove on this exact concept. This makes the old, proven method of spec-driven development hyper-efficient and viable again.

It feels like a "back to the future" moment. Curious what HN thinks. Was the widespread move away from specs a mistake fueled by agile consultants, and is AI the key to bringing rigorous spec engineering back?

By all means gain some solid knowledge and experience with OAuth 2 and OIDC. You can start with OAuth 2 courses on udemy. Make sure you complete all the hands on labs. After that study owasp top 10 and hack through its juice shop if you have time.

You must be enjoying the fun of all these cool games!

The possibility for doing sailing and yachting for you is really fantastic! I grew up in a harbour city, I love almost any activities in water, and was a very decent swimmer as a child. But where I live now is far from sea. Learning sailing is still possible in a local lake, but it's cold here in winter, normally the sailing courses are only offered in summer. Yachting is so fancy I'd like to try it out when there is a chance.

Happy exercising and practicing whatever you like in the new year and beyond!

Your running pattern is inline with the best practices I've heard in expert podcasts: start small, build up the capability gradually, prioritize rest and recovery(you do not run everyday), and do catch up if fall behind. This is really healthy!

Wish you success with your pull ups this year!

Excellent tips in this blog! Thank you!

The book atomic habits by James clear is helpful for making exercises a part of our lives too. I highly recommend this book.

Wow, admire your physical capability and lean mass!

Yes, an encouraging and supportive social environment is really important. After I started building my exercise habit, my husband bought a walking band and started walking at home too. We agreed to hike together in the new year and I really look forward to it!

Running to office is not practical for me, I always have bags on my way to office. How do you run to office?

Great tip! I lost about 25kg chasing my son daily when he was a toddler, without any diet or extra training. But then I slacked. The weight did not really come back quickly, but my fitness deteriorated so much. Running became too challenging for me. But now I am reclaiming my energy, hopefully I can also enjoy running soon!

After work I usually find myself too tired for high intensity exercises. So I experimented with exercising in the morning. It worked and I can sleep well in the evening!

After work I usually practicing my music instrument for a while until dinner. Our dinner is usually simple so it doesn't take too much time to prepare.

I'm not able to do a single push up yet, but I'm doing planking deligently. Hopefully one day I can also do push ups like you!

If your goal is to keep yourself healthy and fit, you can really focus on the quality of training rather than quantity. Choose something that has the highest benefit-density and you can bear with, and then just do that. Climbing and walking your dog can already keep you fit. Stick to them . Do other activities just for fun, no need to push yourself too hard. :-)

And you think climbing is easy? Maybe for beginners. But you will definitely need some other trainings to enable advanced climbing. This activity alone will keep you busy for very long.

Good for you and keep doing it!