I have put together a piece of what can be a much larger frontend in Reactjs.
I just put together the component that renders to the user a list of airports and hotels as well as a header component.
I feel confident about the JavaScript implementation, but what I would like some feedback is on m...I am searching for the global minimum of a certain function and trying to use its gradient (here same as Jacobin) to guide the step counter. However, my x is fix and so is my gradient. I am also trying to retrieve the fastest way possible the first x for which f(x)<1, therefore I am using a const...
I am working on Word Ladder - LeetCode
Given two words (beginWord and endWord), and a dictionary's word list, find the length of shortest transformation sequence from beginWord to endWord, such that:
Only one letter can be changed at a time.
Each transformed word must exist in the w...
I have two tables
ACCOUNTS:
+--------------+----------------+----------------------+-----------+
| BANK_ID (PK) | BRANCH_ID (PK) | ACCOUNT_NUM (PK) | CURRENCY |
+--------------+----------------+----------------------+-----------+
| 20 | 621 | 1001 | ...
I'm learning design patterns and I thought that it would be a good idea to make my examples of each pattern. This is my example of the Strategy Pattern. Can you tell me is it good and what to improve?
This is the Gallery class
public class PhotoGallery
{
private ICollection<string> phot...
public void mmm(int[] x,int[] y){
int n=A.rows;
y=new int[n];
for(int i=0;i<n;i++){
y[i]=0;}
for(int i=0;i<n;i++){
for(int j=0;j<n;j++){
y[i]+=A[i][j]*x[j];}}
}
How can i solve which is in red border in java programming.?
Hey , i'm a beginner as you can see and i would like to know how i can improve my code. Studying for 6 months now. Thank you.
roman_dict = {1: 'I', 4: 'IV', 5: 'V', 9: 'IX', 10: 'X', 40: 'XL', 50: 'L', 90: 'XC', 100: 'C', 400: 'CD',
500: 'D', 900: 'CM', 1000: 'M'}
divide_list...
Input data:
string of digits, for example "123456"
Output data
string of encoded digits, for the above example "\x0c\x22\x38"
std::string getEncodedStringOfDigits(const std::string& data)
{
if(!std::all_of(data.begin(), data.end(), ::isdigit))
{
throw std::runtime_error("String...
I'm trying to add the name and the size of a file on a ListView.
The name is ok, but the size is always 0, independent of the file.
Can someone check where I'm doing wrong? Or what should I try different?
Thank you in advance!
Here is my code (it split a PDF and adds each page and page size o...
My app UI state started to get somewhat complex with many useStates so I created a useStateMate hook (sorry for the cheesy name) as below. Any gotchas with this approach?
import { useState } from 'react';
const stateUpdater = (state, updater) => (property, value) => updater({ ...state, [propert...
I'd Like to design a service layer based on my Repository.
Should I dependent BaseRepository from ViewModel? and put it on service layer?
How?
Should I move ConvertReportToPDF method to service layer?
Please suggest me a service layer based on it.
public class BaseReportRepository<TModel, TVi...
intersection of two sorted vectors in C++, can this be written any better.
vector<int> intersection(vector<int>& nums1, vector<int>& nums2) {
vector<int> result;
int l = 0, r = 0;
while(l < nums1.size() && r < nums2.size()){
int left = nums1[l], right = nums...
I'm working on a async test suite for our CQS backend. Consider this test
[TestInitialize]
public async Task Context()
{
Result = await Given_payout_response_CustomerInvoice1ProviderInvoice2()
.When(() => new NewInvoicesCommand
{
Invoic...
im trying to retrieve data from database to fragment using recyclerview but i get error RecyclerView: No adapter attached; skipping layout
search.java
package com.example.lifetravel40;
public class Search {
private int search_id;
private String activity;
private String description;
priva...
The code below does what I need it too but it is ugly and clunky. If I could set the list of cells I want to retreive data from as an array that is declared somewhere, then I could loop through that array rather than declaring each individual cell.
As you can see below, I have had to declare eac...
This is the code that I'm submitting for the "Good vs Evil" Kata on CodeWars:
https://www.codewars.com/kata/good-vs-evil/train/javascript
function goodVsEvil(good, evil) {
good = good.split(' ');
evil = evil.split(' ');
//hobbits, men, elves, etc
let goodWorth = [1, 2, 3, 3, 4, 10];
...
Write a program that prints the longest substring of s in which the letters occur in alphabetical order. And the output has to be: Longest substring in alphabetical order is: beggh
here is my code. I know that it is awful to ask somebody to write code for someone, but I have no idea how to conti...
Here is a simple heap implementation that allows the heap arity to be chosen at compile time, including the degenerate case where n=1 and the heap is effectively a sorted array with a terrible repair strategy.
The heap implementation class, broadly speaking, has two repair strategies: making swa...
I have been trying to adapt some python code for a project and need some help as i cant get it to work. Im still technically new to python and have been trying to learn. Your help is appreciated.
import random
def WelcomeScreen ():
print ("-----------------------------------------------...
I was trying to segregate my CSS to specific controllers by compiling my assets and rendering them in my layouts via <%= stylesheet_link_tag "application", params[:controller] %>
I am using the Bootstrap (4.3.1) CDN and have this in my application.scss file:
@import "bootstrap-sprockets";
@impo...
Request
Can we have a 'guide to wonderland' meta.
'Wonderland' is all our rules which mostly consists of lots of different rabbit holes.
Rational
When I started on Code Review I spent a good couple of months looking up and exploring various rabbit holes. Whilst it was nice to don the name Al...
I've recently picked up a book that gives various "modern" C++ challenges/solutions. One of the first ones I did was on modeling an IPv4 address in C++. Below is the full implementation; it's also on Github. Any suggestions? My goal is to make this as modern as possible and I'm not sure if there ...
