I wrote a method like this:
public static async Task<StuffAndError> GetAStuffAsync(string key)
{
return await GetTheStuffAsync(key).ConfigureAwait(false);
}
Which goes on to do something like this:
await Task.WhenAll(tasks).ConfigureAwait(false);
To return errors I c...
When G cell divides, it is divided into two G + 1 cells.
In order for the G cell to divide, energy as much as G is required.
What is the minimum energy required to make the total number of cells x?
Input Example (G for each of 2 cells, total number of cells)
1 3 4
Output Example (minimum en...
here is the problem description : https://www.hackerrank.com/challenges/ctci-array-left-rotation
my code pass all test cases but stuck on Hacker rank timeout , i want to know where is the part that take long execution to optimize my code
<?php
function rotateOnce($a){
if($a[0]>=1 && $a[0]<...
Parameters
population_size = 20
job_count = 10
max_sublot = [3, 5, 7, 6, 4, 2, 7, 9, 3, 5]
mc_op = [6, 14, 8, 5, 6, 9, 4, 6, 7, 2]
sequence = [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
[0, 2, 4, 9, 3, 1, 6, 5, 7, 8],
[1, 0, 3, 2, 8, 5, 7, 6, 9, 4],
[1, 2, 0, 4, 6, 8, 7, 3, 9, 5],
[2, 0, 1, 5, 3, 4, 8...
Below code is just initializing two variables, depending on cloudType passed, which can be assigned by either of approaches.
In javascript less number of lines of code is recommended so I like the second approach but first approach makes it more readable as well. Please help
Approach one gives m...
I have Tried to Learn QuickSort and I got this code from GeeksForGeeks (And I edited it a little).
I simply can't understand how this code changes the value of the variable.
Here is the code:
def partition(arr, low, high):
i = low - 1
pivot = arr[high]
for j in range(low, high):
...
I have created ASP.NET Core WEB API service and I am using EF core for communication with Database. Now, I am looking for efficient design of my database.
At this moment I have three tables Which are exactly the same. Below is shown their corresponding entity models.
public class PurchaseDocume...
I saw this interview question and gave it a shot as I think I am probably lacking in OO/general design skills(I work for a JS/C# shop). Any feedback on the code would be greatly appreciated:
// assumes that floors are normalized
// to always start from zero
const DIRECTION = {
STOPPED: 0,
U...
I implemented a binary expression tree, I've used my previous shunting-yard parser to provide it the post-fix expression.
I have a few specific questions outside of just comments about making it more pythonic:
Should I check the type when assigning left and right nodes? I read that type check...
We have an MVC application, which performs actions on a referral. We are added the business logic, to ensure that we can't perform invalid actions on the referral due to it not being in the correct state. We have something that works, but it looks pretty smelly, however we are unsure how to im...
#include <iostream>
#include <string>
/*
make sure that
none of your constructors or destructors call virtual functions on the
object being created or destroyed and that all the functions they call
obey the same constraint.
*/
class Transaction { // base cl...
I have a int array{2,3,4,2,3,4,2,1} So I want to make of all common element in one group like there are two group one{2,3,4} and {2,3,4} So I want the print total count of such group of Same Element for this output 2. I try with some code but it's not working.please help me out with correct logi...
I have create one class and interface for finding SuburbName based on Location or LatLong coordinates.
i have written code below
my interface.
public interface IGeoCodeService
{
string GetSuburbName(double latitude, double longitude);
string GetSuburbName(string location);
...Introduction
This simple data structure combines ArrayList with LinkedList. In other words, it is a linked list of arrays:
Code
package net.coderodde.util.experimental;
/**
* This class implements an experimental linked list data structure that
* combines linked list with array-based lis...
I have the following frontend code for a responsive navigation menu which I thought using in my WordPress website.
Code
document.addEventListener('DOMContentLoaded', ()=>{
let clicks = 0;
let menu = document.querySelector('.menu');
let menuButton = document.querySelector('.burge...
I have a data structure that looks like this:
interface Node {
originalWeight: number;
currentWeight: number;
}
where both properties are floats between 0 and 1.
To check if a node has been modified, I wrote a simple isNodeModified function:
isNodeModified(node: Node): boolean {
return...
My goal is automatically increment the version number in package.json whenever anything is committed to the specific branches (development, testing or master).
Strangely I couldn't find a ready-made solution, so I wrote this script which runs automatically as the pre-commit git hook using the g...
so the problem is this:-
"2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?"
And I'm wondering if my code to solve this problem is good and...
I need to convert some text files into binary format on my (AMD) computer, and then I plan on reading them in and converting to strings (which can contain utf8) on Android.
This is what I've currently got:
int main(int argc, char* argv[]) {
std::string inf(argv[1]);
std::ifstream ifs(in...
Currently I am developing an applications development framework.
Unfortunately I am completely stuck on a specific design decision:
(The following is a huge over simplification, but I believe it will be sufficient for the purposes of the question)
Within the framework API there are clients a...
An Elevator Management System
A building has \$x\$ number of floors and \$y\$ number of elevators. People create up/down requests to your system, and when they are inside an elevator, command it to go to a floor. Your job is to get them to the floor they want.
If this interests people, we can...
In my current game I have the need for values ranging from 0 to 1, or from -1 to 1. The values should never exceed this threshold, so instead of constantly validating the values I made a custom data type which essentially clamps a float to that threshold. I have been researching various ways of m...
I have a pre-planning file for year-end review that does a lot of index/match formulas and IF statement formulas based on certain parameters when referencing increases in various types of pay/incentive pay.
Sub Update()
'File Paths
Dim Preplan As String: Preplan = "M:\PrePlanning_Template.xlsm...
Explain me in detail how can I create the binary search tree in c#.
I decided to improve my OOP design knowledge and learn python at the same time so I started to write a simple program which will be a fight "simulator".
For now, there are only 2 character types : Orc and Human.
The CharacterFactory class is created so that I'll be able to handle Orc and Human c...
my code is
import pandas as pd
import matplotlib.pyplot as plt
import numpy as np
from sklearn import cross_validation, svm,cross_validation,neighbors
from sklearn.linear_model import LinearRegression
df=pd.read_csv('train_loan_prediction.csv')
dft=pd.read_csv('test_loan_prediction.csv')
...
So I have a bit of code where I am deserializing a bunch of Json to various different objects based on what query was used to generate the given json. Code below:
foreach(QueryResult result in response.Result.Results)
{
var dataSet = (JArray)result.Data;
//Object1
if (result.Quer...
I implemented a custom Sliding Window Spliterator in Java.
Do you have any ideas how this could be improved?
Thinking if replacing the buffer with a plain array could have a positive impact on the performance side of things if done correctly.
I'm not going to use that code in any production sy...
rage charges $
1.58
1.58 for the first hour and $
0.50
0.50 for each additional hour or part of an hour. What is the maximum length of time Tom can park in the garage if he wishes to pay no more than $
4.58
4.58?
What is the maximum length of time in hours that Tom can park?
INTRO
I am using an excel worksheet as my "database." No headers so [F1] is assigned to column one by default. I filled the entire column, all 1,048,576 cells with RANDBETWEEN(1,20). I then hard set these values by copy/pasting as value.
It is very slow. Much slower than using excel functio...
I'd like to improve how ownership is handled within a simple interpreter written in Rust. The interpreter takes simple calculator like expressions and returns either a string of the AST or a number of the evaluation:
// Simple expression for working on numbers
enum Exp {
Add { e1 : Box <Exp>...
I am trying to make a multi choice quiz which contains 5 questions with a score to count. it says my code has an infinite loop and I tried to see where the problem is but couldn't find anything. Is my code wrong??
I am creating a simple bot that collects coins in-game. The code runs under a game-loop so there are 60 ticks p/s
Here is the function that I use to check for the nearest coins to be collected:
public GameObject getNearest(ID objectID) {
LinkedList<GameObject> object = new LinkedList<GameO...
For a new project, I've started learning Golang. This is one of my very first steps in Go.
The objective that I've given myself is to convert int to a String representing the roman numeral of that int. The supported range shall start with 0, negative numbers can be ignored, and it's okay for now...
