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Unanswered Questions

1,339 questions with no upvoted or accepted answers
23 votes
0 answers
668 views

Multiplying big numbers using Karatsuba's method

The Karatsuba algorithm, first published in 1962, aims to speed up the multiplication of big numbers by reducing the number of 'single-digit-multiplications' involved. Because of its complexity (...
9 votes
1 answer
386 views

Metropolis Monte Carlo Sampler in Rust

the following is an implementation of the standard Metropolis Hastings Monte Carlo sampler. You can read more about it here. At the end I am going to give you a link to the Rust playground, so you ...
8 votes
0 answers
179 views

Implementing Simple Diff in Rebol

I've taken a crack at implementing Simple Diff in Rebol (versions 2 and 3). Simple Diff works by finding the longest common sequence in two series, then recursively applies itself either side of this ...
7 votes
0 answers
123 views

Created a paperfold like effect

I am trying to recreate a neat effect that I saw posted on Stack Overflow as a GIF . I am trying to recreate this with CSS and JavaScript and I have created a similar effect with a button press. I ...
7 votes
0 answers
546 views

A* Algorithm in F#

Inspired by this post I looked up A* on wikipedia and went on with my own implementation as seen below where I try to mimic the pseudocode on Wikipedia but in a recursive manner. I would like any ...
6 votes
0 answers
167 views

Efficiently generate distinct subsets which sum to a particular value

Related: Find all distinct subsets that sum to a given number This code is supposed to efficiently generate all subsets of a list such that the subset's values sum to a particular target value. For ...
6 votes
0 answers
122 views

K nearest neighbours algorithm

Here is a project that I worked on for a few days in June 2020. Since the algorithm is extremely slow, I looked into methods in order to parallelize operations but did not obtain any satisfactory ...
6 votes
0 answers
112 views

Showing a Wikipedia article's changes as Git commits

I created a small-ish NodeJS script which takes as argument the name of a Wikipedia article (and optionally a Wikipedia edition, "en" is default) and creates a Git repository with each ...
6 votes
0 answers
271 views

Selection sort with reduced comparison count: Python iteration 2

Follow up to Selection sort with reduced comparison count - semi-final Iteration? My goal (and excuse not to tag reinventing…) is to have presentable code to argue the viability of reducing the number ...
6 votes
0 answers
128 views

Android component animatable on its height

I'd like to have a code review for a component which is supposed to be animatable on its height. It's supposed to be a transitioning element. I find it quite laggy on my phone. ...
6 votes
0 answers
2k views

Generic sliding window

The code implements fully generic sliding window with linear complexity. It should usually be paired with transforming iterator to reach full potential. Sliding window is a grouping of elements by ...
6 votes
0 answers
815 views

Pseudo-parallel depth-first search

I'm writing a small program that generates a file containing an adjancency matrix, it then reads from that file, constructs a graph and does something like a parallel depth-first search (dfs) on it. ...
6 votes
0 answers
2k views

Implement two level caching using spring's cache abstraction Cache and CacheManager

Details about spring's caching framework are here. When I was reading this link, I thought the composite cache mentioned there was one that used levels of caching based on the order given to the ...
6 votes
0 answers
643 views

Fowler–Noll–Vo hash function in Lua

I recently coded this FNV-1a hash function in Lua. Are there any apparent performance improvements that could be implemented? ...
6 votes
0 answers
423 views

Translating CFRM algorithm from Java to Clojure and improving performance

Counterfactual Regret Minimization is an algorithm that can be used to find the Nash Equilibrium for games of incomplete information. I have tried to adapt the exercise from here to Clojure. You can ...

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