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10 votes
3 answers
1k views

Computing π(x): the combinatorial method

This is my C++ implementation of Computing π(x): the combinatorial method by Tomás Oliveira e Silva. The math involved is elementary number theory, but fiddly and not the focus here. I have ...
qwr's user avatar
  • 1,201
3 votes
1 answer
91 views

Merge discrete integer intervals

What it does The code starts with a set of integer intervals, and can add new intervals (possibly by updating existing intervals). Essentially, it is a bit array whose index starts at ...
FromTheStackAndBack's user avatar
1 vote
1 answer
284 views

Rules-engine to be improved/simplified for Efficiency (performance), Extensibility and Maintenance?

This is a simple implementation of a rules engine. I am really hating the very long MATCH/CASE function. I am wondering what kind of Design Patterns could be used there to make this code more ...
user avatar
3 votes
2 answers
185 views

BlackJack in python

I began creating blackjack in python; however, I'm looking to simulate it, so I'm thinking I'm going to need to optimize it so that I don't just leave my computer running for three hours waiting for ...
Joseph Beegle's user avatar
3 votes
2 answers
251 views

Tic-tac-toe OOP Minimax Algorithm

I wrote a module that I intend to use in my next tic-tac-toe project. All it is is a class that stores the boardstate along with some methods/properties. The biggest thing is the minimax alg. As shown ...
flakpm's user avatar
  • 87
4 votes
1 answer
69 views

Terminal Graphical Visualizer, using a queue of different matrices

I built a project in which I provide a string input or a whole matrix to configure a frame, create a bunch of different frames and push them into a queue and finally print them in order of the queue. ...
Ellie's user avatar
  • 567
4 votes
0 answers
412 views

A vehicle database in Excel

I'm looking for some help. I'm new to coding and have started creating this Vehicle database program in Excel for a friend to use. He is wanting to be able to see all vehicles he owns, when ...
Kendall Briggs's user avatar
0 votes
1 answer
253 views

Python Logic Gate Circuit Simulator [closed]

I have recently become interested in simulating logic circuits because of a electronics class at school. I have created a functioning simulator for logic gate circuits in Python. My implementation ...
turt1edman's user avatar
4 votes
1 answer
496 views

Yet another sparse set implementation

I got inspired by this blog post and implemented a fixed-size sparse set, removing the need for vectors, because the sparse set's size equals at least ...
Tab's user avatar
  • 43
5 votes
1 answer
1k views

Matchsticks game in Python

I made the following game in Python applying object oriented programming and I would like to know if there is something to improve. PS: My native language is Spanish, if you see something wrong ...
Lucio Mazzini's user avatar
4 votes
1 answer
636 views

Code to scan filesystem, store every path into sqlite and update only when something has changed

I have made a program that does what the title explains. It also hashes the file to check for changes. I will be doing this for a project to keep track of files that has been changed when doing ...
Adrian Kydland Skaftun's user avatar
2 votes
1 answer
178 views

Prevent Column Name Collision

I have been working on a series of posts about a library to connect to databases but most of the scenarios I have to resort to some "JOIN" the problem arose when two or more tables had some ...
user avatar
1 vote
1 answer
208 views

Rock paper scissors coding assignment

I had a coding assignment to write a Rock Paper Scissors game. The main task is not to show a solution but rather to test the coding style. The rules are such: Problem: rock is "O", paper is ...
Harton's user avatar
  • 33
2 votes
2 answers
125 views

Complex Filter in one Opration

I am working on a Data-based application. I wrote a code to filter the table. The table has String and Numbers. I some filter ...
Rohit Nishad's user avatar
-1 votes
2 answers
88 views

Simple Vehicle speed representation [closed]

This code models two vehicle types, with a method to accept a string representing a boost to change speed. How can I optimize performance in inheritance child class? How can I reduce the code inside ...
manas's user avatar
  • 9

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