Unanswered Questions
6,408 questions with no upvoted or accepted answers
44
votes
0answers
1k views
Swiftly turning wheels – The May 2017 Community Challenge
This is my attempt at the May 2017 Community Challenge in Swift, with a chain consisting of
rigid links.
I took this as an opportunity
to learn SpriteKit, Apple's
framework for 2D games. At least ...
30
votes
0answers
922 views
Making a generic NSMapTable replacement written in Swift thread-safe
This is a follow-up to this question.
While discussing some details about the code I posted there, I came upon a problem with thread-safety. After searching and trying different things, I reached a ...
26
votes
0answers
534 views
Definitional Returns. Solved. Mostly
I have made the bold claim that a longstanding problem in Rebol is "now solved"...that of "definitional returns".
But of course, such claims need some peer review, and there's always some new trick ...
23
votes
0answers
3k views
Inverse transform sampling
Inverse transform sampling is a method to generate random values that follow an arbitrary distribution. For some reason this method was never implemented in any popular scientific libraries. And as I ...
22
votes
0answers
3k views
CMake Project Template for a General Cross Platform C++14 Project
UPDATE: I am no longer updating this post with the contents of my actual project since they have changed significantly (Unit testing is now done with doctest, code coverage is included, etc.). This ...
21
votes
0answers
553 views
BF welcomes Fibonnaci
Slightly inspired by a previous question/april fools joke I decided to take on Fibonnaci sequence in the lovely language Brainfuck.
In order to do this I have also worked on Brainduck, which is a ...
18
votes
0answers
289 views
Mucheck - a mutation analysis tool for Haskell programs
We have been working on a mutation analysis tool for Haskell tests called MuCheck. It accepts any Haskell source file, and a function name to mutate, applies a defined set of mutation operators on it, ...
16
votes
0answers
201 views
Rubik's cube mode for emacs
Following is a dumb implementation of Rubik's cube for Emacs. I am not well versed in writing (e)lisp, so I ask for a review and corrections.
...
15
votes
0answers
211 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 (...
15
votes
0answers
183 views
Tracking the bounding box of a map
Context
I have a bunch of data points that look roughly like this:
...
15
votes
0answers
7k views
Django Rest Framework - add/remove to a list
I have a model Collection which has a many to many relation to a model Item.
I want to be able to add or remove items to this collection using Django Rest Framework.
Option1 - make an action:
...
15
votes
0answers
160 views
Timeoutable computations module
Defines a simple module for timeoutable computations, with the ability to return
arbitrary intermediary results on timeout or the final value otherwise. It also
allows default return values.
The ...
14
votes
0answers
271 views
Signed integer-to-ascii x86_64 assembler macro
I have implemented an algorithm which converts a signed integer to its ASCII equivalent string with the corresponding sign as a first byte. I have tested it on several numbers and it worked correctly. ...
14
votes
0answers
689 views
Repository pattern in Rust
I'm looking to add a thin layer of abstraction for database interaction in my application. I'm not really looking for a full blown ORM or advanced query builder.
I am familiar with Diesel, but its ...
14
votes
0answers
252 views
Water flowing swiftly over farmland – The August 2016 Community Challenge
This is my attempt to solve the August 2016 Community Challenge in Swift. I tried to implement the algorithm
described by @200_success:
Each Cell keeps track ...
