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56 results for “leonrosenshein”
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What does software development, a pendulum, and the genie have to do with each other? You wouldn't think much, but in fact, just like the motion of a pendulum is dependent on it's size, weight, and how hard it's poked, software development works the same way. And the genie is poking at it. Hard.
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What does software development, a pendulum, and the genie have to do with each other? You wouldn't think much, but in fact, just like the motion of a pendulum is dependent on it's size, weight, and how hard it's poked, software development works the same way. And the genie is poking at it. Hard.
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What does software development, a pendulum, and the genie have to do with each other? You wouldn't think much, but in fact, just like the motion of a pendulum is dependent on it's size, weight, and how hard it's poked, software development works the same way. And the genie is poking at it. Hard.
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What does software development, a pendulum, and the genie have to do with each other? You wouldn't think much, but in fact, just like the motion of a pendulum is dependent on it's size, weight, and how hard it's poked, software development works the same way. And the genie is poking at it. Hard.
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Who's responsible for code that LLMs generate? It's a complicated question. One the industry is still resolving. But one thing is sure. The need for good review hasn't gone away.
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Friendgineers: Abstractions and Indirections can look like the same thing, but they're actually very different. It's never a good idea to confuse two things that sound similar but aren't
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Friendgineers: I try to keep things simple for myself. And I try not to make too many assumptions. But sometimes I get in my own way and make things harder for myself.
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Friendgineers: I learn things all the time and from many different places, not just my dryer. This week I learned about optimization from soap and silverware in hotels.
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HT to @tottinge He said this way better than I can. Why, in the name of all that's good, are we still writing legacy code in 2025?
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Friendgineers: Does practice make perfect? Maybe. But are you perfecting the right thing? That's a question we should be asking far more often than we actually do.
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Friendgineers: Power dynamics are real and play a surprisingly large role in what gets done. Even when people with power don't realize the impact they're having.
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Friendgineers: The internet is a great place for learning. It's also a place where you can find some REALLY bad ideas. It takes critical thinking to know if any particular idea is good or bad, IN YOUR SITUATION. Somethings though, are just bad ideas.
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Friendgineers: I've often felt that we in the software business prioritize immediate gain over long term success. Sometimes that's needed, but in the long run, taking a long term view always pays off.
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Friendgineers: We all agree that good culture is important. We even mostly agree on what good culture is. But how do you identify it, and how can you encourage it?
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Friendgineers: You have the power of the pen. Writing down the impact of what you're going to do is constrains your impact, but it can also open up possibilities.
#friendgineers #docs #contraints #powerofthepen
https://friendgineers.rosenshein.org/posts/2025/06/23/ -
Friendgineers: You need to be clear about your goals and always work towards them. You also need to accept the reality that your goals may exceed your grasp. Then include that reality in your plans.
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Friendgineers: There are lots of superpowers you want as a developer. One of the best ways to get them is to have options. That means doing the hard work up front so you have optionality.
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Friendgineers: Genies can be very helpful. But in almost all cases, their not trying to be helpful, just doing what you say. Which makes your review of their work even more important.
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Friendgineers: You need to remember who you're really talking to when you write code. It's NOT the compiler and it's not the reviewer, although they need to understand. It's the maintainer. Write for the maintainer. You'll thank yourself later
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Friendgineers: Code reviews are part of almost all development workflows. How you write them, read them, and respond to them says a lot about a team's culture. It's also a way to adjust a team's culture. How you use them is up to you.
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Friendgineers: Sometimes the problem you're staring at is the problem you need to solve right now. Sometimes it's not. Knowing which problem to solve when is critical.
#rootcauseanalysis #rca #friendgineers
https://friendgineers.rosenshein.org/posts/2023/05/11/ -
Friendgineers: Optionality is much more than having options. It's about making the future possible instead of boxing yourself in. High ISQ can get you more optionality.
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If code can have virtues, then tests, which are also code, can have virtues. The question is, are there any special virtues that are unique to tests? Of course there are. Here's a few virtues which can make your tests better.
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People can have virtues. So can code. In general, for better code, you maximize virtues and minimize smells
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Edgser Dijkstra is a giant in the field of software engineering. Over his career he's said a lot about the way developers go about their business, including how developers need bugs. I don't necessarily agree, but there's a lot to think about there.
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Friendgineers: We all think working on greenfield projects is the dream. Maybe it is, but the reality is that the number of true greenfield projects is MUCH smaller than we think. Unless no one has ever done anything like you're doing, in any field, you're going to run into expectations at the boundaries. That's when you find that the field isn't as green as you thought.
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Friendgineers. You want high quality software, but what is quality software, and how can you measure it anyway?
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Friendgineers: Continuing on why software engineering is engineering, a discussion of estimates. Yes, they're hard for software. Just like they're hard for all engineers. Just another way Software Engineering is Engineering.
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Friendgineers: Agency is important. In life, in work, and in play. How can we take lessons from games and apply them to work?
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Friendgineers: We all think we're writing new code, but the reality is, in almost all cases, we're modifying existing code. How do things change if you think of how you're modifying existing code EVERY time you write any code?