Unanswered Questions
7,884 questions with no upvoted or accepted answers
49
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 ...
31
votes
0answers
1k 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 ...
27
votes
0answers
636 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 ...
24
votes
0answers
482 views
Pacman implemented in OOP VBA
What?, Why?
I have been inspired by several other posts on the topic of OOP implementations in VBA to try and create a Pacman clone. I think this task is not all that hard in most languages; but, I ...
22
votes
0answers
316 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.
...
21
votes
0answers
332 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, ...
20
votes
0answers
362 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 (...
19
votes
0answers
2k 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 ...
18
votes
0answers
177 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 ...
17
votes
0answers
286 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 ...
17
votes
0answers
343 views
Modularizing a Game Scene in Sprite Kit
I am trying to modularize the main SKScene of my strategy game. I am not sure that my approach is correct so I would love to get a review of the following code.
...
17
votes
0answers
425 views
Shepard Tone stream generation in Clojure
This is my work to generate an infinite Shepard Tone. It is written in Clojure and works by generating repeating streams of incrementing frequencies, converting those to values on a sine wave and then ...
17
votes
0answers
1k views
PowerShell module for formatting objects using Razor
I managed to get something up and running, but I've no idea whether there are better ways to do this. I've spent all morning trying to figure out the best way to use parameters (allowing objects from ...
15
votes
0answers
4k views
How to stream data directly from the database through a 3 tier architecture
The problem: generating a CSV file that is too large be stored in memory in a 3 tier architecture, without the complexity of saving the file to storage.
The solution: I've managed to write something ...
15
votes
0answers
744 views
Autotools detect C++ language standard support
I have been updating my build tools to optionally use autotools (autoconfig/automake/libtool etc.).
As part of this change I have written a couple of M4 macros. This not being something I have done ...