Top new questions this week:

DailyProgrammer 284: Wandering Fingers

Description Software like Swype and SwiftKey lets smartphone users enter text by dragging their finger over the on-screen keyboard, rather than tapping on each letter. You'll be ...

c# performance programming-challenge

asked by px06 18 votes answered by RobH 7 votes

Simple CodeReview Questions Notifications for OSX

Some days ago, I figured out that I'd like to get a notification every time a new question is asked here. So, I've made a really simple Python script, which uses pync (only OSX compatible) to do that ...

python python-3.x stackexchange macos

asked by Dex' ter 11 votes answered by Mathias Ettinger 8 votes

Sum two integers, unless they are the same, in which case return double their sum

I was doing a simple problem on codingbat and testing out my python. The problem was: Given two int values, return their sum. Unless the two values are the same, then return double their sum. ...

python comparative-review

asked by Guest 9 votes answered by Joe Wallis 20 votes

Building a minimal-height BST from a monotonically increasingly ordered array structure

Problem statement: Given a sorted (increasing order) array with unique integer elements, write an algorithm to create a binary search tree with minimal height. Assumptions: The array (and ...

c++ algorithm tree c++14

asked by erip 8 votes answered by user2296177 5 votes

Password Validation in Python

I coded a python solution for the question below. I am after the fastest solution. Also, I would be grateful if you could point out parts that are not pythonic / inefficient. Question: A website ...

python performance

asked by Zhubarb 7 votes answered by Joe Wallis 8 votes

2D grid Hamiltonian path puzzle solver

The puzzle goes like this: in a rectangular 2D grid there are empty spaces (.), exactly one starting point (S, s) and obstacles (denoted below by X's). The objective of the puzzle is to find a path ...

python performance python-3.x pathfinding depth-first-search

asked by shooqie 7 votes answered by Gareth Rees 2 votes

Simple IRC Bot in C#

This was a simple IRC bot I threw together a long time ago, found recently, and was curious as to if there were any kind of significant improvements that could made. using System; using System.Net; ...

c# .net networking chat

asked by T145 7 votes answered by t3chb0t 8 votes

Greatest hits from previous weeks:

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 22 votes answered by konijn 25 votes

Implementing a linked list using C++

Any suggestions? #include<iostream> using namespace std; class node { friend class linked; private: int data; public: node ...

c++ beginner linked-list

asked by shubham 3 votes answered by Loki Astari 15 votes

Can you answer these?

A Version 4 UUID Implementation

I've been toying around with writing a decentralized, P2P application in REBOL 2, and one of the things I need to do is generate a universally unique identifier for users. I have written a function ...

random formatting rebol rebol2

asked by Brian Otto 5 votes

Harry Potter's Family Tree Database

As an assignment for a class, I have made a small Harry Potter family tree in Prolog. It compiles into a self-contained executable that can be run straight from the command line on Linux machines. ...

beginner homework database prolog

asked by Michael Brandon Morris 6 votes

Get n-th data member of a struct

To get n-th member of a struct without non-empty bases and w/o non-public members C++ now have a pretty way: #include <type_traits> #include <utility> #include <tuple> struct ...

c++ reflection c++17

asked by Orient 2 votes