I've been working on a recursive quadtree in C++. How can I improve my code? My primary goals are improving the performance/speed, as well as practice.
QuadTree.h
#pragma once
#include <vector>
#include <algorithm>
#include <functional>
struct AABB {
double left, top, right, bottom;
...
I am working on a project from the textbook Starting out with Java by Tony Gaddis. The program instructions are to create a class to simulate coin toss. The class should then be demonstrated in a Main Class in which three instances of the Coin Class, quarter, dime and nickel, and when the coins a...
I have completed my own code for Dijsktra's algorithm in python 3(which is mitted in this post since it wil become too long), but I am given another code(as below), which seems does not have the relaxation step. However, it works well on the example below. How should I prove its correctness?
I am...
This piece of code calculates the laplacian value of a points neighbours based on x & y co-ord passed and pixel size.
float Laplacian (sampler2D TheText, float x, float y, float2 pixsize){
float Value=0;
//Top Row
Value+= tex2Dlod(TheText, float4(x+pixsize.x,y+pixsize.y,0,0)).r*0.05f;
Value+= ...
Here is a short version!
def longestPalindrome(string):
# Will use this string to record the longest palindrome seen so far
largestPalindrome = ""
for index in range(0, len(string)):
reqcharMatch = string[index]
# Since a palindrome must have matching start and en...
Just wrote an Evicting Queue implementation, as an ordinary Linked List working under the hood, in Java; which, I hope, I've made thread safe, could you review?
Code:
package com.threadsafedatastructs.EvictingQueue;
import java.util.ArrayDeque;
import java.util.LinkedList;
import java.util.Li...
Good morning Stackexchange,
For begining sorry for my English, its not my strongest point , I'm stuck with my code and have no choice , have to ask someone for help.
Will try explain You whats is my probleme. Hope so I will ask it correct :-).
I'm working with 2 text files, 1one contains- id,lat...
My objective is to modify the JavaScript code to get the single image on the page to iterate through images faster. It should be possible to get the images to load in about 10 seconds(about 3 seconds on Windows). Yet I have 0 clue on how to do this.
window.onload = (function() {
var timeEle...
I'm a beginner in js and jQuery. I wrote animation tab-slider. But my code is bad. What should I improve? What should I do to make the code less cumbersome?
var slideTabImg = $('.js-slide-tabImg');
var firstTab = $('#js-first-tabImg');
var secondTab = $('#js-second-tabImg');
$('#js-first-ta...
Intro
Related, related
I'm trying to come up with a neat, accurate way of timing VBA code, as I'm yet to find a method to do this in VBA directly (without plugins etc.)
The general idea was to create some Stopwatch class which could be initialised at the start of a test procedure, then various...
public class Game
{
public static void main(String args[])
{
int playerWin = 0;
int computerWin = 0;
int ties = 0;
int totalGame = 1;
System.out.println("Welcome to Tic Tac Toe"...
This question is based on my previous question asked here for my code performance and how correct my code. In this section, i have provided my live code which is currently in development:
Django application to serve feeds to each user over websockets
Problem:
I am implementing a websocket appl...
I have the array below and each element has another array called FunctionalityChildren, I need find the unique object that contains the property ActionFull equal a variable, It can be a father object or child object, for example '/budget/allocation' or '/budget'
let bigArray = [
{
...I am working on an SDL2 based isometric, tilebased engine for a SimCity 2000 Clone.
Basically i'd really appreciate if someone with experience could review my code and point out weak points since i'm not an experienced C+++ dev.
Link to my repository:
https://github.com/JimmySnails/IsometricEng...
I have a view controller with 2 collection views: one for products, one for stories.
I want to be able to call reload(_:) to reload the collection views depending on what's been passed as reloadable data.
Creating an enum like I do below doesn't really look very clean to me and takes up space:
...
I have a data validation LIST that allows the user to select a country and the table refreshes using a data connection to sql server.
It works fine which a "?" in the where clause.
But I want to add "All" to the country list to trigger a Select* (all countries) from [my table] in the where clau...
Though I already used JButtons a couple of times, I don't get them working and I don't understand why that is. I did copy/paste from another class where the buttons worked fine and I thought I had understood how to use them, but seemingly I don't. Console will give no output no matter how often I...
first post.
I learned a little HTML, Python and Ruby years ago. So i can read code but haven't written in a while.
I run a commercial web proxy, filtering websites users are accessing by category. There is a generic block page for bad sites that list the block reason / category. I can edit the...
I've been working on a text-based RPG for a while now on-and-off. After a long hiatus, I've come back to the project.
My goal as of right now is to port the game from it's current Print-output version to a version that works in a Pygame window before I add anything else.
Now it's worth mention...
I'm listening for a change on several elements:
uniqueObject.on('change', () => {
toggleSubmit();
});
anotherObject.on('change', () => {
toggleSubmit();
});
thirdObject.on('change', () => {
toggleSubmit();
});
$('#sameSQL').on('change', () => {
toggleSubmit();
})...
My application controller keeps growing with small helper methods that I use in both my controller and views, is it ok? or what do you recommend doing?
class ApplicationController < ActionController::Base
protect_from_forgery with: :exception
helper_method :resource_name, :resource, :devise...
I'm tryingto make this best code, please do needful
sAnitHehedGEHog=0;while [ "$sAnitHehedGEHog" -ne "1" ]; do let
"sAnitHehedGEHog=sAnitHehedGEHog+1" && if [ -d /proc/ ];then yes|case yn in
Yes) "echo Go Ahead";; No ) echo "why not. please"; break; return;; esac &&
pEnguin=$(who -m|grep -Po ...
I need to simply the below sql query :
SELECT DISTINCT(ord_id),
NULL,
NULL,
'Y',
'EDV',
NULL,
NULL
FROM (
(SELECT xref.ord_id,
COUNT (
CASE
WHEN shp.upd_dttm <= (SYSDATE-436)
THEN NULL
ELSE 1
END...
I would like to create a bot on Telegram to help me moderator multiple pages. I want the help to help with frequently asked questions.
This is the entire code for a Lambda function that registers a new user in Amazon Cognito.
The email, username, and password are passed to the Lambda function. The client ID is stored in an environment variable to be removed from the code.
const AWS = require("aws-sdk");
const cognitoidenti...
I'm new to python and I'd like some feedback on my proposed solution to the following (interview) question.
Given a binary search tree with non-negative values, find the minimum
absolute difference between values of any two nodes.
The following TreeNode class is provided.
class TreeNode:...
I am a beginner in Django and would like some advice regarding best practices.
I have the following model:
class Company(models.Model):
name = models.CharField(max_length=200)
class Interview(models.Model):
company = models.ForeignKey(Company, on_delete=models.CASCADE)
position = m...
My code works well, but i still don't think it is well written. Can someone help to improve the code so as to get rid of vulnerabilities.
My php code:
<?php
$email = filter_var($_GET['email'], FILTER_VALIDATE_EMAIL);
if ($email === false) {
// Not a valid email address! Handle this invalid ...
