Unanswered Questions
1,352 questions with no upvoted or accepted answers
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Element-wise natural logarithm of large array
Let X be a numpy.array of np.float32 with shape (100,100,100,100). I'm computing the variable lX with the following formula
<...
- 11.4k
2
votes
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78
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backward induction algorithm computation
Is there a way to significantly speed-up this code?
I'm solving a dynamic programming model using a backward induction algorithm. A crucial step is to calculate the current-period value function (VF), ...
- 29.1k
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vote
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99
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Runtime function overloading / dynamic dispatch for Python (2nd revision)
Second revision of the original post: Function overloading / dynamic dispatch for Python
TL;DR:
Improved version of this library[^1] based on previous reviews and criticism. It provides runtime ...
- 379
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137
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How to make this arbitrary precision π calculator using Machin-like formula run faster?
Two days ago (or yesterday depending on your timezone) was π-day. So I thought it was a good day to calculate π.
I used Machin-like formula to calculate π, in homage of William Shanks, who calculated ...
- 3,528
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Evaluating an expression with shunting yard algorithm
I'm learning Scala and wrote a simple infix expression evaluator using the shunting yard algorithm. As opposed to the wikipedia example, this implementation evaluates the expression in place instead ...
- 8,655
1
vote
1
answer
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Convolutional LSTM
I write code about convolutional LSTM, but I am not sure if mine is good enough. Is anyone interested in giving a look at my code?
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CommunityBot
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3
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answers
39
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Project of chrono, countdown, interval timer and custom timer
I created a project with visual studio, in V language. Since I am a beginner, I would like to improve the code by making it lighter and less repetitive, and more performing, and suitable to be run ...
- 11.4k
3
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80
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Upload Data Products to OpenMetadata
I need to build a python application to interact with the OpenMetadata API (specifically, to upload a data in YAML format). However, I’ve encountered some intrinsic connections between the ...
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Regression model is doing exceptionally very well on time series
I have the following task to do: I have time series data. Training by the consecutive 3 days to predict the each 4th day. Each day data represents one CSV file which has dimension 24x25. Every ...
- 123
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Nostr OAuth 2 authentication using Fastapi
I liked the idea of being able to authenticate using your own private key using Nostr protocol. The idea is based on events, so you prove your identity by signing an event.
It's close to Wallet ...
- 3,381
3
votes
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answers
53
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Structure of nested Divs with a table
I'm a new frontend programmer.
I'm making a web site with flask, and to be honest, I don't know much about front-end so I don't know if what I'm doing is best practices. In one section, I have a div ...
- 11.4k
2
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answers
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N-Body simulator in Rust implementing Barnes Hut and Leapfrog
I have written a N-body simulator in Rust implementing Barnes Hut algorithm and Leapfrog integrator.
My code seems to work fine, but I'd like to review on techniques which can improve performance ...
- 3,381
0
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145
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Fuzz-test the performance of SmokeDetector's keywords regex
I had an idea for attempting to detect bad performing regexes in Charcoal-SE/SmokeDetector, by using Atheris (a fuzzer for python code).
The theory behind it is that a bad performing regex will most ...
- 117
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52
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Scrapy Spider - Code Audit and Optimization Suggestions
I've written a Scrapy spider to scrape product details from a specific website. The spider is designed to navigate through various pages, locate specific products, and gather detailed information ...
- 11.4k
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38
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2D chunk loading/world generation in Godot (GDScript)
I'm a beginner with both Godot and gamedev concepts. I've made games before, but feature-wise, they were pretty simple in comparison.
One of the main concerns that I have now with my code is that ...
- 11.4k