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Share what you're working on in this thread. What's the end goal, what are design decisions you've made and how are things working out? Discussing trade-offs or other kinds of reflection are encouraged!

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I recently wrote a rust package, as I had performance issues generating uuidv7 in rust.

Turns out, there was a lot of optimization potential.

I added a python wrapper and it turns out, it is about 45x faster than the current uuid7. It even beats the C package by factor 5. The performance is just a bit slower than allocating a string in Python, which is about 40ns.

Package just published on PyPi and available via pip: fastuuidv7 with prebuilt wheels for most platforms.

Disclaimer: Don't use it to prime passwords or tokens. Just for network, DB ids or non-security related ids. Also, it cannot parse uuidv7, just generate it.

Share what you're working on in this thread. What's the end goal, what are design decisions you've made and how are things working out? Discussing trade-offs or other kinds of reflection are encouraged!

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Recently I started a weekly algorithm project just to help me study new algorithms with a flair of good practice. This week I decided to focus on Python and the "Middle Square Method" a PRNG produced by John von Neuman in 1949. I further reiterated two attempted improvements to the algorithm that come from a couple of papers just last month: one using a Weyl Sequence and another using the Weyl Sequence with a Counter - both were by Bernard Widynski.

Testing them was interesting as there appeared to be barely a difference between the two new iterations, however, both were much more stable than the original work by von Neuman. Typically with the newer algorithms I'd gather a standard deviation roaming around 4-8 x 10^15-18. Obviously that's fairly in line with modern standards. The original method had a lower deviation, however, I found that one harder to test perhaps because I should have a used a different algorithm.

Full documentation can be found here if anyone is interested. For GitHub, it is under KNOWNALGO/W03.

https://youtu.be/O53ihWtoEGk

https://github.com/F35H/WeeklyCode

Might as well link it here, here are the two papers:

https://arxiv.org/pdf/1704.00358.pdf

https://arxiv.org/pdf/2004.06278.pdf

Browse AI advertises turning any website into an api. However, it doesn’t do a great job at this since it immediately fails the bot defense put in place by H-E-B. The concept of “any” website as an api is very intriguing and I was curious if anyone knows of a tool that works similarly?

For context, I’m trying to create a automatic grocery orderer for H‑E‑B(for self use) which scrapes a list of cooking recipe URLs and orders the required ingredients from the site. I currently use selenium and ChatGPT for this solution, but would love to use a more generalist approach for ordering if one exists, even if it requires a bit of training. I have selenium logging in and adding items, and ChatGPT scraping sites and creating ingredient lists for me.

I’m still very new to Python so please go easy on me.

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Share what you're working on in this thread. What's the end goal, what are design decisions you've made and how are things working out? Discussing trade-offs or other kinds of reflection are encouraged!

If you include code, we'll be more lenient with moderation in this thread: feel free to ask for help, reviews or other types of input that normally are not allowed.

This recurring thread is a new addition to the subreddit and will be evaluated after the first few editions.

Share what you're working on in this thread. What's the end goal, what are design decisions you've made and how are things working out? Discussing trade-offs or other kinds of reflection are encouraged!

If you include code, we'll be more lenient with moderation in this thread: feel free to ask for help, reviews or other types of input that normally are not allowed.

This recurring thread is a new addition to the subreddit and will be evaluated after the first few editions.

Share what you're working on in this thread. What's the end goal, what are design decisions you've made and how are things working out? Discussing trade-offs or other kinds of reflection are encouraged!

If you include code, we'll be more lenient with moderation in this thread: feel free to ask for help, reviews or other types of input that normally are not allowed.

This recurring thread is a new addition to the subreddit and will be evaluated after the first few editions.