All Questions

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 ...

Just joking guys, Brainfuck is an awesome, challenging language. I've tested the following code with bf-x86 compiler and rather big JSON file. I believe code is fully functional on a valid (!) JSON ...

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 ...

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 ...

This is a simple 4-stage pipeline that partially implements the RV32I ISA. All instructions are supported, except jalr, those relating to memory (...

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, ...

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 ...

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 ...

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. ...

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 ...

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 ...

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. ...

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: ...

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 ...

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 ...

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 (...

Context I have a bunch of data points that look roughly like this: ...

I wrote a chess game in Ruby using object-oriented principles. One of the challenges was deciding which particular methods/actions belonged to a particular class, as there were some that felt as if ...

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 ...

I've written a Binary Search Tree Monad in Scala. I would like to hear your thoughts on how to improve it (e.g. making insertion/deletion/search faster and more scalable). Also, is there a better way ...

This script replaces the red hair in image to black color (replace one color to another) Three major parts in this script Not just replace color red to black, I hope the output image looks natural, ...

Background: Motivation behind writing the following code is originated in the area of computer vision. More specifically – image rectification. In order to obtain rectified images, one has to find a ...

This module has a ensure_downloaded function which takes a slice of Urls. It downloads all of the urls to a local downloads ...

I have a class that tests a list of proxies for validity concurrently, which I have created in 2 different ways, one utilizing Parallel.ForEach and the other using a TPL Dataflow ActionBlock. I am ...

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. ...

I'm trying to write a lock-free implementation for atomic shared pointer. Basically, there are two class templates shared_ptr and ...

NOTE: See follow up to this question here I created a simple python script to plot quadratic, cubic and quartic polynomials with integer coefficients between -4 and 4. It uses numpy to find the roots ...

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 ...

The background is the question at https://stackoverflow.com/questions/36634394/nested-shared-ptr-destruction-causes-stack-overflow. To summarize, for a data structure that looks like: ...

I've been rewriting this same sort of thing off and on over the years, but finally here's the "perfected" monstrosity. Some kruft in the middle with attempting to predict the number of spaces that ...

I have always wanted to write a fluid simulation, and with the help of a paper and some StackOverflow users I've got something that works. My goal is to have a program that someone can run right away ...

I'm trying to design a model for purchasing amounts of products in F#, following the ideas for designing for correctness (source). The idea is to use the type system to capture the different legal ...

I'm using this code in an app that has hundreds of daily users. The code works, and passes all of the test cases I have. Occasionally some users report a problem that I don't get right to the bottom ...

I'm making a full-blown OOP Battleship game in VBA (previous post: Battleship Grid), and I want this code to be as good as it gets - and better, if I can. I've refactored a few things, introduced a <...

Problem Background MIDI is a serial representation of control signals to a sound generator. Typically, a noteOn message initiates the attack phase of a sound at a given pitch. The note will ...

My project consists of a Raspberry Pi 2B V1.1 connected to a number of push-buttons via GPIO pins. The goal is to create a panel of buttons, allowing the user to make a selection of one or more items ...

I want to have someone reviewing and helping me get some good ideas in how to improve my current project. All information about the project is in the following github link. I would also appreciate ...

I wrote a program to test AV engines against encryption. When it runs, it will compute some key, decrypt an executable it has in its data section and copy it to the locations where the executable ...

I recently interviewed with a company that needed a C/C++ programmer to work on the iOS side of the products. The job description indicated they needed someone with 4 years of Objective-C and iOS ...

More than a full-fledged sorting algorithm, vergesort is a Runs-adaptive algorithm that falls back most of the time to another sorting algorithm to sort a sequence of elements, but is able to identify ...

This is the application for small school, which will store students' info in Firebase and also retrieve data from Firebase. I am using JSON Parser to parse the data and save the same in Access tables. ...

This question has the tuple_selection_sort<> template that sorts the variadic template of a tuple using a comparator (any template taking two types that has a ...

Seeing as it's October, I thought I'd do the community challenge. Due to my inexperience coding in Groovy, I decided to give Groovy a go. I'm not sure how well I followed Groovy conventions, and the ...

As nobody has provided input, I have updated the question. (The next one is coming soon) Coding to this interface: ...

Disclaimer: This is just an educational task to learn how to program in clojure and switch brain to immutable state-way of developing (the provided snipped has some unused variables which I didn't ...

For my own game engine I need an event system. I tried to avoid the single-huge-enum-approach for minimizing compile times. The BasicEventListener is the (...

I am trying to implement the modified Next Reaction Method with time varying propensities as mentioned in sections IV and V of this paper. At one step in the process this expression must be evaluated: ...

I built a DLL Injector with User-Interface. The program lists all processes, the user chooses one of them and a DLL, and inject it. It's my first project in C++, and I know it's not exactly C++ ...

I've written a red-black tree in C as an exercise. The tree works and it is not bad, but it is about 10% slower than std::multimap from libstdc++ which I'm ...

For a raytracer I’ve been writing with a classmate, we use a custom scene definition format that allows specifying shapes, composite shapes, materials, lights, cameras and transform and render ...