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 ...

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 ...

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 ...

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 ...

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 ...

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, ...

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. ...

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 (...

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 ...

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

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. ...

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 ...

I have built an open-source project based on FluentAssertions in order to solve some recurring tasks I was doing while testing the .Net Core APIs I'm developing. I find the capability of doing in ...

"This is {0} cool!", "freaking" I've always wanted an easy and intuitive way to inject variables into a string. So after about 10 variations, I finally came up with this function. How it works The ...

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'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 wrote a Python script to generate a video file of typing the contents of any program file. It works, but I'm really not very happy with how it works. I have several issues with it. In order to ...

This is my first Ruby gem that claims to provide all the rules of the chess game. My goal was to keep this library as simple as possible via OOP principles, and I'd be glad to hear any feedback from ...

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

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 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 ...

Windows keylogger in C++ Known issues: Not implementing rule of five Having to use hack to use member variables, out_, in static method Pressing caps-lock won't ...

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 ...

I'm trying to write a multiple functions memoizator, which I've talked about here. The main problem is creating a container containing different and heterogenous functions. I found a working solution,...

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 ...

Please review my serial port class written in C++. It is completely asynchronous, ie event driven. My idea for later is to inherit from this a sync_serial, where timeouts can be specified and it ...

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 ...

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 want an istream that you can safely peek arbitrarily many characters from. This works as far as I can tell, but I am unsure if this is really "the right way" to ...

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 ...

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 ...

I needed a Minecraft-like stone texture, instead of creating it using image editing software I decided to generate one using R. The idea is to create some noise and stretch it horizontally so the ...

I recently answered a question that had an interesting problem statement (I've slightly modified the wording): I have an abstract class A which is base for the ...

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. ...

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 ...

This is an application I wrote that allows multiple TCP clients to share a single TCP connection to a remote server (hosted project, and a demo). Traffic generated by the server is forwarded to all ...

I recently posted an earlier version of this code on Code Review, and now with the given suggestions and many other improvements, I am back. I included the description of exactly what Cyther is ...

I'm setting up a Django development environment using Vagrant to run an Ubuntu virtual machine on VirtualBox. As this is a student project run mostly be very amateur coders and I want everyone to be ...

This code (~30lines) detects independence between variables in a dataset, by using a bootstrap of a statistic. This is fully-broadcasted, but it's still long. Reading it, or making it run, do you ...

The goal I really enjoy the game Stardew Valley. One of the things that the game has are geodes. Much like real-world geodes, these geodes can be cracked open, and you can find some fun things inside....

I was implementing a simple neural network, and I noticed that, if I ever wanted to change the layers' activation functions, i would have had to completely rewrite some parts of the code, so I tried ...

I did wrote this parallel merge sort with no external dependencies. I tried to make use of modern C++ as much as possible. Can you please tell me how it is? ...

I have project on Django wich use Django Channels. I use Django Channel for sending notifications to users who are subscribed to articles changes (adding/editing/deleting comments on article). So I'...

Short intro So, I've been using Django for a while now and thought it would be nice to start a simple application. In an ideal World, each app must have a way of letting its users register and that's ...

I built this small library to create a compile-time assembled array from several hard-coded sequences (of unequal length) of a type T: ...