I recently solved this leetcode problem:
Given n nodes labeled from 0 to n - 1 and a list of undirected edges
(each edge is a pair of nodes), write a function to check whether
these edges make up a valid tree.
For example:
Given n = 5 and edges = [[0, 1], [0, 2], [0, 3], [1, 4]], retu...
Explanation
For this Christmas, I got this puzzle as a present, with the aim being to try and fill 25 "Z" shaped pieces into a 5x5x5 box. Once I saw this gift, I thought I would challenge myself into trying to make a program to solve this for me.
Picture of piece
All pieces are exactly the sa...
I'm just wondering if what I've done below is correct.
I'm using a method to make initialize the attributes of my objects, and this method is called from both constructor.
What it does is, if no correct currency has been passed, choose € by default.
Code
class Prix
{
double valeur;
...
I'm learning clojure and I'm interested in areas that could be more idomatic. The main function is below. If you're interested in the whole lib, check out https://github.com/tenpn/clj_playground.
The function operates on a grid, which contains a finite number of cells. A cell is a single point ...
I have been studying the architecture of the Siamese neural network introduced by Yann LeCun and his colleagues in 1994 for the recognition of signatures ("Signature verification using a Siamese time delay neural network".pdf, NIPS 1994).
I had some problems in understanding the general archit...
I've posted a question on stackoverflow: How can I consequently read messages from a queue in parallel? I would like my own answer to be reviewed.
Situation
We have one message queue. We would like to process messages in parallel and limit the number of simultaneously processed messages.
Our s...
I have created a Java windows service using procrun. When I try to stop the service it gets hung. Below shown is my stop method implementation.
private static void stopPlugins() {
LOGGER.log(Level.INFO, "Came inside stop plugins method");
for (Class cl : classes) {
LOGGER.log(Level.INFO, "Th...
in reference of this :
A generic MVC ArrayAdapter class
I need to know where can i add the holder in this case?
Many thanks,
Carlos
I'm making a Battleship game using python 2.7. However, how to make it is not currently my issue. The main aspect that I'm asking about is the style and method of making the code. Am I following best (or even good) practice? Are the comments too much, too little, unclear? If someone could give...
So, you have found your way to the Code Review main chat room, The 2nd Monitor, perhaps for one of these reasons:
You were invited or "pinged" by a site moderator or other user to discuss a post on the main Code Review site;
You visited Code Review for the 1st or Nth time, and noticed the chat ...
Because the Code Review community hasn't agreed they'd accept one yet.
Is that relevant? Yes. Let me quote Pops, who mentioned after a migration from Code Review to Stack Overflow was set-up:
FYI: this migration path only goes one way, from CR to SO; it doesn't let questions come from SO to ...
I am learning Java, and I wanted to make sure that I understood object instantiation, reference variable creating and assignment.
Are the comments exactly correct in the following code?
How could they be made more correct?
/*
Two reference variables are created, both of type `Person`.
JVM alloc...
Here is what I've written for a program to print upper half triangle of a matrix. Now i need a way to do it without using goto:
#include <iostream>
using namespace std;
int main()
{
int a[10][10], r, c, i, j;
cout << "Enter the number of rows and columns";
cin >> r >> c ;
c...
Based on suggestions and some thoughts I made some refactorings of my classes to hold EAN13 codes.
I create a contract interface which now is extended by BarCode classes, since there will be other types of BarCodes, like DUN-14, UPC-A...
public interface BarCode {}
I decide to move all the v...
