I am new to C++ and am attempting to write the following binary search tree using the iterator pattern (and std::optional in C++17):
#include <memory>
#include <optional>
#include <stack>
template <typename T>
class BinarySearchTree {
public:
BinarySearchTree(T key)
: key_(key),
left_(n...
I have it set up so I place my mouse in the center of where I want the spiral to be, then I press enter to start the program, then define the radius initially and how much it grows each time it goes around.
I use \$\sin(\theta)\$ = opposite / hypotenuse and \$\cos(\theta)\$ = adjacent / hypotenu...
I'm moving outside my comfort zone and trying to make a random number distribution program while also making sure it is still somewhat uniform. I was trying to generate this in debug mode without optimization on. Also, I am using Visual Studio 2015.
RandomDistribution.h file
#pragma once
#include 
I need to get ping and traceroute result of multiple urls concurrently. This action will be scheduled with an interval.
Here is my code.
public static void main(String[] args) {
ScheduledExecutorService executor = Executors
.newScheduledThreadPool(Runtime.getRuntime().available...
I am trying to learn basic Rust. Is this a good way to get the contents of a file? Am I handling errors the best way? Is there any way this could be more performant?
use std::fs::File;
use std::io::Read;
fn main() {
let path = "bar/foo.txt";
match read(path) {
Ok(contents) => p...
I am writing a code which returns something like 1^k + 2^k + 3^k......n-1 where k be any number.Below is my code.I am getting a memory error.How do I optimise it.
Sample test case for wrong error:
1
10000000000000000 400
#!/bin/python
import sys
def highwayConstruction(n, k):
# C...
I'm currently working on the below code for finding the first occurrence of a substring:
int GetSubstringIndex(const string& str, const string& search_str)
{
auto found_idx = -1;
for (auto i = 0u; i < str.size(); ++i )
{
if ( str[i] == search_str[0])
{
for...
I receive the name of the function to be used as biPredicate at runtime. I want to pass around this biPredicate and evaluate, basically filter to get results.
Following is my utility that defines biPredicates. I tried utilizing MethodHandle and Lambda Functions. When I use
new FilterUtility().e...
Almost four years ago, Code Review community went to GitHub. In these past four years, what have we accomplished with this GitHub community?
There are five repositories in the community, four if you don't count the github.io repository.
There's been a few requests about people wanting to join. ...
I am trying to basically do the following
Get record from db
loop through records and send mail out for each record
update database records
I would like to know what is the most optimal way to do this, including introducing some async if that would be best.
So I put a build-able sample toget...
Assignment Description:
Make a web application that compares starships based upon the Star Wars API.
There shall be:
A label "Select two Starships from the dropdown lists to compare".
Two dropdown-controls filled with starships.
Button "Compare".
Table displaying the specs (speed, cargo, cost...
We can search for the list of dictionaries using the below some approaches, Can one please help me, which one is the best approach to use?
items = [list_of_dicts]
id_to_b_searched = "some_id"
1 direct return from the for loop
def retrieve_item_by_id(self, id_to_b_searched):
for i in items...
Object-oriented program for a calorie counter sporting polymorphic
methods for both genders.
Principles to adhere to:
Uniform Access Principle
Polymorphism
Dependency inversion principle through the Factory Method pattern
Single responsibility principle
Concerns for future extension:
BPM c...
/*************Fruit.h*****************/
#ifndef _FRUIT_H
#define _FRUIT_H
#include <cstdlib>
#include <iostream>
#include <exception>
/***************************************GLOBAL operator new/delete/[]***************************/
void * operator new(decltype(sizeof(0)) n) noexcept(false) ...
In all the examples I've come across so far, (like this, this or this) I see stacked charts in d3 have an ordinal scale. I presume this is because stacked charts are considered an extension of bar charts which are generally of ordinal scale on the one of the axis.
In my case, using sample data
...
This program verifies if a Matrix is a sudoku or not. these conditions should be verified : There is no duplicates in a row or column or a square. And the sum of a row or column or a square should be equals to 45.
Thanks
public class SudokuChecker {
static int[][] invalidMatrix={
...
How do I write a program in python for computing volumes using the prismodal formula?
I am to compute recurrently (not necessarily recursively) the y, where
$y = {x}^{2n} + {x}^{2(n-1)} + ... + {x}^{4} + {x}^{2} + x$
Here is what I am doing:
#include <iostream>
using namespace std;
double polynom(unsigned, double);
int main(void)
{
cout << polynom(2, 3) << endl;
return...
I create a component and interfaces are called by the external clients (communication based on thrift).
I have a simple class which keeps data and exposes methods to access that data: GameInfoList.
A data is created based on the following interfaces:
Interface A:
virtual void SetGamesConfigur...
