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My multithreaded version of code works slowly than singlethreaded. Can you help me to understand why?
#include <iostream>
#include <vector>
#include <getopt.h>
#include <stdlib.h>
#include <cmath>
#include <pthread.h>
#include <unistd.h>
#include <time.h>
std::vector<std::vector<double> > phi, ...
#include <iostream>
#include <string>
#include <list>
#include <vector>
#include <set>
#include <array>
struct Person;
struct State {virtual ~State() = default;};
struct StateA : State {
std::vector<Person*> enemies;
};
struct StateB : State {
std::set<Person*> prospectiveEmployers;
}...
I was wondering if someone could point me in the right direction for cleaning up this code.
WordPress uses shortcodes in the form [shortcode] to add extended functionality to posts and pages.
What I am trying to do is to return a string with all of the 'stray' brackets, ones not being used by ...
Need help on making a code for users to input numbers for a, b, c to find the quadratic formula.
#include <iostream>
#include <cmath>
#include <string>
using namespace std;
//////Quadratic Formula///////
int main()
{
int a;
int b;
int c;
////////////////////User Input a, b, c/...
In particular goal is to find f(n,r)mod(m) for given values of n, r, m and m is a prime number.
f(n,r) = F(n)/(F(n-r) * F(r))
where
F(n) = 11 * 22 * 33 *... * nn
Here is the python code snippet I've written
n_r = n - r
num = 1
den = 1
if n_r > r:
for j in xrange(n...
This code is from my Kohana project. How to make it more beautiful? Should I use try-catch instead? How not to write exit() two times?
public function action_index()
{
$id = $this->request->query('id');
if (!empty($id)) {
$ticket = ORM::factory('ticket')
->where('id',...
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After my first exercise here is another. Again, this is exactly that: Exercise, which means that the output doesn't necessarily need to be beautifully formatted, etc. I probably have some variable naming issues around and also more general issues.
# coding=utf-8
"""Basic usage:
$ python xggt.py...
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Problem statement:
Design a system for the following scenario:
1.An item list contains item code, name, rate, and quantity for several items.
Whenever a new item is added in the list uniqueness of item code is to be
checked. Register a new product with its price.
Time to time rate of the items...
i need to parse following string using php or jquery.
{"UserId":"9c932a93-5fff-4416-b1fb-0cd7aa320df5","Details":[{"Id":2,"Name":"Commercial"},{"Id":15,"Name":"Book"},{"Id":21,"Name":"Retail"},{"Id":24,"Name":"Documentary"}],"ReturnMessage":"Success"}
Result should be like:
UserId = 9c932a93-...
#include <stdio.h>
#include "omp.h"
#define NUM_THREADS 4
int main()
{
int a[100],b[100],c[100];
int i,n;
printf("enter the no. of elements\n");
scanf("%d",&n);
printf("enter the elements of A\n");
for(i=0;i<n;i++)
scanf("%d",&a[i]);
printf("enter the elements of B\n");
for(i=0;i<n;i++)
...
This is my RubyWarrior Solution
Help me refine it thou kind sirs :)
I think RubyWarrior is a well known of Ruby coders. https://github.com/ryanb/ruby-warrior I am starting to learn Ruby and I would appreciate some help from you to improve the organization or the mistakes that I could have.
I d...
This question: Updating OpenGL version to 4.1 (LWJGL)
The question has an open bounty, but is it on-topic?
Please review my code for 'JWT' authentication
Are there any security issues?
Where should i store the secret's key, DB or Session?
What's a good 'JWT' Lifetime, do i add Lifetime information to header or payload?
Should i send the 'JWT' in Header for every request?
What should be done when ...
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jan= int(input("enter amount of rainfall for January"))
feb= int(input("enter amount of rainfall for Febuary"))
mar= int(input("enter amount of rainfall for March"))
apr= int(input("enter amount of rainfall for April"))
may= int(input("enter amount of rainfall for May"))
jun= int(input("ent...0
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I have unfinished code to find the points of intersection of all lines that are perpendicular. So far I have this:
import java.util.Scanner;
public class CountSquares {
public static void main(String args[]) {
Scanner scan = new Scanner(System.in);
int lines = scan.nextInt()...0
I'm using the function countLinkes() to fetch URLs' Likes count from the Facebook API.
// Link.php
class Link
{
private $url;
public function __construct($url){
$this->url = new Url($url);
}
public function getUrl(){
return $this->url();
}
public function countLikes()
{
global $...
I'm getting more and more into programming js in a functional manner which makes heavy use of multiple returns via tuples. Usually I see tuples in js implemented with arrays [a, b] though of course an object - while annoying to write would be just as valid: {a: a, b: b}.
I'm curious if there's...
Pretty obvious what I'm trying to do, how do I make it loop back to the "If" statement after the second input? Started last week, sorry for my newness, cheers.
count=0
cpass=str("changeme")
password=input("Enter Password: ")
if str(password)==str(cpass):
print("Accepted!")
else:
count=co...1
Is this a good way to get all sublists of a sequence/list that have a given length?
An inefficient way to do it would be something like
f n = (filter (\x -> (length x) > n)) . (take n) . tails
this just takes the n first elements of each tail of the original list. I think it should be slow be...
I wrote this Python script to rename specified files to "titlecase", for example:
hello.txt to Hello.txt
hello there.txt to Hello There.txt
path/to/file.txt to path/to/File.txt
The main script:
#!/usr/bin/env python
import os
import re
import argparse
re_junk = re.compile(r'[._-]')
re_spac...1
I have been solving the following problem. Given n numbers find out the least k numbers from them. For example, if there are 8 numbers like 5,6,3,4,7,8,9,-1. For k = 3 the result will be -1,3,4. I implemented it in the following way.
make heap with first k numbers
traverse the rest k-n numbers...
I created this basic content management system to teach object oriented php to beginners. However I have concerns if I violate solid principles in App.php and Router.php
App.php:
<?php
/**
* The class that starts our application.
*
* Works as dependency injector.
* TODO Have to check solid ...
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I've written a method to obtain an IEnumerable from a start point, end point and step. Similar to Enumerable.Range() but for doubles and not fixed step.
public static IEnumerable<double> InclusiveRange(double start, double end, double step = 1)
{
while (start <= end)
{
...
'm trying to make a hangman program and I have no errors but the program will just terminate when I run it. Do you see any issues with my code? Can I add StringBuilder to strings that change in my code? I also wanted to make create a driver class but not sure what to put in it.
package hangman;...
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I have saved the whole text below in a text file in java.
I want to read the textfile, get out the currency rates/numbers and save them in an arrayList. Can someone help me?
//text below
public void split(){
<?xml version="1.0" encoding="ISO-8859-1"?>
<exchangerates typ...6
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