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I don't like them either. I find it hard to articulate why I don't like them. I definitely have experienced problems with them where they get into some state where the cell results are incorrect. Then, if I restart the kernel and run the cells again, I get the correct result. But I don't like them for reasons other than this one, and cannot explain why. I prefer the ipython REPL to the notebook.

Same here. I have the same issue with realtime services. They are either free (and, hence very limited), or over $50 per month. I wish the usage-pricing step function had smaller jumps.

My websites run on https because how easy Caddy makes it. Caddy made it possible for me. Cannot thank Matt Holt enough for creating Caddy and making it available to all of us.

That is a good practice for any statistical software you are using. You should validate your R code with Python or Julia.

Vocal minority might be one of them. But I think that is not the only reason. I think it also because a lot of very useful and performant tools are being written in it. Also, the fact that so many programs are being created likely suggests to newcomers (like me) is that it is not unreasonably difficult to write code in it.

This has been said many times, but I think it is because of not having AOT compilation as an option. Due to this, not only do we have the "Time to first plot" problem, but apparently the memory used by the process is also large. I love Julia and use it for my data and computational work. But for CLI apps and for web apps I am learning Rust because the start up speed and memory usage for CLI and webapps matters.

> 2. No language server (apparently it's just impossible due to the way the language works). Tbh, I'd be happy with just "Go to definition" but alas, no-can-do!

This works on Doom Emacs!

I used Crystal to create a web application a 2-3 years ago. It is running great without any problems. There are not that many users (only about 300-400) at any time. Anyhow, I did not touch the application in the last two years, and did not use Crystal in the last two years for anything else. I used Rust to write some simple personal CLI apps, which was fun but also hard. For some reason, couple of days back I returned to Crystal for a CLI app that I am making. I will say this: Crystal is a lot of fun to program in, easy to use and performant all at the same time. I cannot explain the reasons objectively, but it is really a joy to use Crystal. I think I will be using it from now on. I just wish it had a bigger community and as a result more libraries.

That means chew your food thoroughly so that it becomes almost liquid and you “drink” it. Also, don’t gulp your drinks down quickly. Drink slowly, as if you are chewing each sip.

Yes, Caddy is awesome! About 3-4 years ago it made it super-easy (and possible) for me to serve my websites with `https`. Before that, I was using nginx, and the process of obtaining certificates seemed quite complicated. Matt Holt, thank you for creating Caddy.

If you are going to rewrite, you may want to consider Julia. It will give you close to C speed, but will be as high level (or higher level) than Python.

Thank you.

For someone who does not know much about NIFs, will it be a lot slower if the Rust service is coded as a command line application and then invoked using System.cmd? Is that a good alternative?