azhenley

What's Wrong with Computational Notebooks? Pain Points, Needs, and Design Opportunities https://web.eecs.utk.edu/~azh/pubs/Chattopadhyay2020CHI_Note...

I am often wishing I knew of an easier way to compare Lisps. I haven't used any dialect enough to fully grasp the subtleties. For example, the differences between Racket and Clojure.

Time to make a new Lisp!

A colleague of mine teaches “Digital Archaeology” as a graduate course where students “mine” git repositories.

An operating system?

Check out my blog post, Challenging projects every programmer should try:

https://web.eecs.utk.edu/~azh/blog/challengingprojects.html

Sorry, I thought it had public access through ACM.

https://dl.acm.org/doi/pdf/10.1145/800181.810318?casa_token=...

No, this isn't inlining. They're managing their own call stack and relying on undefined behavior. See the quote from the article:

> BEAM/C generated a single C function for each Erlang module. Local calls within the module were made by explicitly pushing the return address to the Erlang stack followed by a goto to the label of the called function. (Strictly speaking, the calling function stores the return address to BEAM register and the called function pushes that register to the stack.)

> Calls to other modules were done similarly by using the GCC extension that makes it possible to take the address of a label and later jumping to it. Thus an external call was made by pushing the return address to the stack followed by a goto to the address of a label in another C function.

> Isn’t that undefined behavior?

> Yes, it is undefined behavior even in GCC.

Putting multiple Erlang functions into a single C function to avoid using C’s stack sounds awesome but also horrifying.

This has been on my todo list for... over a year. But I hope to do it over the winter break! (I also want to make a non-trivial Lisp too)

It’s such a simple thing to make. It’s easier than trying to figure out and customize someone else’s.

This is Kenneth Iverson's 1979 Turing Award lecture.

Nicely written article. I too attempted a Lisp interpreter to learn Rust, but gave up when I couldn’t figure out how to implement a linked list in Rust.

If I delete the default date, it crashes instantly and says “An unexpected error has occurred.” Guess I have to type in each piece without deleting the others?

Every time I think to use C for something, I re-realize how terrible it is to do anything involving strings. Although this library looks nice, I’ll still have to compose and manage them myself , which is a major headache.

Aren't they tracking every app launch? Data on update times would be a drop in the bucket.

Author here. Anyone have thoughts on my data-driven approach described as Solution #2?

Basically: tell me how long it took other people.

Whatever Apple is doing for iOS and MacOS updates isn’t cutting it...

I agree that spinners really aren't useful (for anything that takes more than 5-10 seconds). Solution #2 from the post is what I want!

Definitely interesting. Makes me wonder about the performance of sum types for error handling (e.g., Result in Rust).

There is also Bython: https://github.com/mathialo/bython

Odd. It works for me.

This seems like it might be nice for technical writing, but won't it reduce creative writing to a boring, uninspired prose?

I've been trying to update and it keeps failing. Now my Mac won't open apps despite restarting multiple times.

Happening to other people too: https://www.macrumors.com/2020/11/12/macos-big-sur-download-...

I’m excited to see what kind of teams they get going that focus on Python tools!

I remember PLTGames. I'm sad that it didn't last that long!

I think something like that could do really well now since there seems to be so much interest in the topic now based on all the Reddit and HN posts.

Yes, they have an Intel emulator (Rosetta I think they called it) and are pushing developers to produce "universal apps".

If you didn't see the event, they've put the new chip into the new MacBook Air, MacBook Pro, and Mac Mini that will start shipping soon.

I was also curious, so I looked it up on Google Ngram Viewer. Looks like the phrase became relatively popular in the 1940s and then started a steep rise around 1994 up until 2012 when it peaked.

Another fantastic talk of his is about time management: https://youtu.be/oTugjssqOT0

This is awesome and could be a nice educational tool. Although I just want to extend it to allow simple games :)