Top new questions this week:

All RGB colors in one image

This is a program to solve: Images with all Colors from Code Golf: Make images where each pixel is a unique color (no color is used twice and no color is missing). Create the image ...

beginner scala

asked by Utku Demir 12 votes

Converting the weight of a potato into a letter grade

I've just started learning C# using Rob Miles' C# Programming Yellow Book and some related lab exercises from his website. I did one of them and produced a solution that works. In Miles' book, he says ...

c# beginner

asked by S. Elliot Perez 11 votes answered by EBrown 13 votes

Boggle board game solver in Python

I have written a Boggle board solver in Python 3. I would like comments on readability and structure. Thank you! Boggle Boggle is a board game with a 4x4 board of squares, each of which has a ...

python game python-3.x

asked by David Kretch 10 votes answered by Gareth Rees 4 votes

Counting the number of "on" bits in an int

Here is some code I wrote as a solution to Programming Exercise 15.3 in Stephen Prata's C Primer Plus, 6th Edition. It is probably worth pointing out that the title of the chapter is Bit Fiddling. The ...

c integer bitwise

asked by David Bowling 9 votes answered by JS1 11 votes

Cat fight (with rockets)

My code is attempting to implement FP in an efficient / readable manner into some of my video games. I realize this may be a bit subjective, but I feel there is enough merit / objectivity to be of ...

performance functional-programming swift immutable battle-simulation

asked by Fluidity 8 votes

A Binary Editor with Live Text Preview

This is a tool I needed for some other things (it's incomplete, but almost done) which is essentially just a text-editor that has two text-boxes: the left being the binary view / raw bytes, the right ...

c# converting wpf xaml text-editor

asked by EBrown 7 votes answered by t3chb0t 2 votes

Quickselect algorithm in Swift

I recently answered a question on Stack Overflow about finding the k-largest element in an array, and present my implementation of the Quickselect algorithm in Swift for review. This is essentially ...

algorithm swift

asked by Martin R 7 votes answered by Fluidity 0 votes

Greatest hits from previous weeks:

Implementing Student Record Java program

Is there a better way to implement my code in Java? I used to code this in C++ and pretty much worked right off the bat. But in Java, it is different, as it won't let me input data on the string ...

java beginner

asked by CinnamonRii 2 votes answered by trooper 0 votes

Grouping elements in array by multiple properties

During work, I was given this task: to group elements with similar properties in the array. In general, the problem is as follows: var list = [ {name: "1", lastname: "foo1", age: "16"}, ...

javascript sorting properties

asked by Saike 24 votes answered by konijn 28 votes

Can you answer these?

Sorting upcoming events listed in JSON

I've written my first program in GO, a command line tool that parses JSON containing events from a file or from STDIN and outputs the upcoming events in sorted order. Please critique it! package ...

beginner parsing sorting json go

asked by Rohan Shah 3 votes

Extending Array to make a stack that bubbles unused objects up and active object down

Array.prototype.fastStack To combat GC and its impact on animation I created Array.fastStack that adds to the array prototype. It's a sort of stack that bubbles unused objects up and active object ...

javascript array memory-management extension-methods

asked by Blindman67 3 votes

Achieving thread safety in a payment service library

I wrote this code a while ago, which is an excerpt of a payment service library: # recover a transaction details from the Wirecard API module Wirecard module Elastic class Request class ...

ruby multithreading

asked by Laurent 3 votes