I defined the class below: class Vertex{ public: string color; int dist; Vertex *pred; Vertex(); }; Vertex::Vertex(){ color = ""; dist = 0; pred = new Vertex(); } I am trying to store an instance of this class in a vector and print out an attribute of it. vector<V...

My code here loops through my folder and my files inside the folder and use.find and copy the strings into a new excel sheet and then with all the data in the new sheet, i will use .Find(What:=) to find the strings inside the new worksheet and then either split or use Right,Left,Mid functions, so...

Android order class - stores order data, validates it before, saves relations data, returns search data: <?php namespace App\Models\Android; use App\Models\OrderDestination; use App\Models\OrderSeat; use App\Models\Origin; use App\Models\Settings; use Carbon\Carbon; use Illuminate\Database\Elo...

I've written this decorator to avoid too many requests to a backend. Did I get it right? Do I need some locks or I can assume some things are atomic / thread safe because this is asyncio? Thanks def batch_calls(f): """Batches single call into one request. Turns `f`, a function that get...

Working on one easy question Leetcode 1275. Find Winner on a Tic Tac Toe Game. wondering how can i make my code even more clean? class Solution: def tictactoe(self, moves: List[List[int]]) -> str: from collections import Counter def is_win(pos: List[List[int]]) -> bool: ...

I am new to Ctypes. I am writing a piece of code that brings an array of unknown size from C to Python using Ctypes. Unknown size here mean that Python initially doesn't know the size of the array. C code has the algorithm which creates the array. Somehow after lot of trails, I managed to write ...

I have a 2D array "matches" where I store the game id and another array Object "games" where I store "gameId" with the "playerId". So What I have done here Step 1. I get opponent gameId against the gameId from "matches" array e.g. gameId "2" has an opponent "1" Step 2. check opponent_gam...

I am trying to add a list of entries to my dictionary using for loop. Is this is the proper way? And after that, a number of inputs is taken to check if the key,value are present in dictionary. If key is present it returns "key=value" else it returns not found . n = int(input()) phonebook = {"...

When looping through some code in Go and assigning properties within to a struct array. Is it better for performance / readability to use the first or the second approach? for i, transaction := range transactions { //first approach output.OpenTransactions[i].VehicleUUID = transac...

while trying to make an image classifier, I stumbled upon some codes which i then modified to make my own image classifier. To evaluate these classifiers, the code will show the confusion matrix, precision, recall, F1 score and support, accuracy, macro avg and weighted avg Are my implementa...

I am a technical reviewer/writer and I use VBA for Word a lot to manage issues in Word documents I receive. I have frequently come across niggles when using Collections, Scripting.Dictionaries or Array lists. Then I saw some posts on creating a C# library for consumption by VBA. After much rea...

DO NOT RUN THIS EXAMPLE BLINDLY, IT REMOVES ALL FILES UNDER argv[1] Hello, This little programm should read all files from a given directory and do some work with them. New files are constantly written into the directory by an outside process. For the duration of the processing, the file should...

error is Exception in thread "Thread-17" java.lang.IllegalStateException: No thread-bound request found: Are you referring to request attributes outside of an actual web request, or processing a request outside of the originally receiving thread? If you are actually operating within a web reque...

I made a 26-bit binary Wiegand calculator for an ESP32 following this format: unsigned int * getWiegand(unsigned int dec) { unsigned int* wiegandNum = new unsigned int[26]; Serial.println(); // transform dec number into binary number and store it in binaryNum[] int n = 1; for(int i =...

This is my first post here so I hope you will be patient if I'm doing something wrong. I made a small website with create-react-app and I would like to request feedback about. This website was a test and I had a limited amount of time to complete it, hence there are no tests nor license, which fo...

I have written a function for producing a 16 step array (note[16]), intended to generate two numbers (in this example 1 and 2) with the following conditions: Any of the numbers can only be repeated once The sequence is meant to wrap around, meaning that the above applies to the first and last n...

Consider the following enum: enum E: CaseIterable { case a case b case c } This is how I use it: let someBool = Bool.random() if let a = E.allCases.randomElement() { switch a { case .a where someBool: print("case a where someBool") case .b: print("case ...

This is my script. I want it to run on a weekly basis on my linux server on a Raspberry Pi 4, to back up all files that may have changed. On the GPIO are just LEDs. It requires a program called notify_run, and a file called "BackupSettings.ini" in its own directory that looks like this: [Sources...

I am trying to use float type inside the constructors and methods like the following code. Unfortunately, my code says float is not compatible type in the constructors and methods in the code. import java.util.Scanner; public class Box { float width,height,length; Box(){ } B...

I displayed and styled the chart.js and am also using mock data in the array, I just can't get my head around how to populate the data in the chart.js using MVC 5. I have tried lots of different methods and it's displaying data but not displaying the chart. Ideally, I need two datasets; one is fo...

I've tried to solve AoC day 2 challenge in Haskell (https://adventofcode.com/2019/day/2/ - don't worry, it's not a competition so sharing a solution here is OK). The goal is to implement a very simple VM with opcodes 1 (add), 2 (mult) and 99 (exit). I feel like my solution is incredibly verbose...

Following scenario: this is the code that resides in Ajax Controller class. It is responsible for handling input in one of the form fields. The logic is as follows: If user-inputted data validate as either Tax Number or Statistical Number, it's supposed to: check for presence of such data in d...

I am looking for a cleaner, more pythonic way to get a list of the name of the months starting with the current month and ending 12 months later. For example, it's December so my list should be ['Dec', 'Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov'] Here is how I'...

I am collecting 3 years of data and building a string that will be used with an ASP Literal control. the method GetListOfMeetingBygroupId takes in a groupID and year and will return meeting for that group and year. MeetingService ms = new MeetingService(); int groupId = 574; //Meeti...

I'm new to typescript and I'm trying to migrate this styled component from JS to TS but I'm stuck with types and calling of methods inside css helper. JS File to be converted: https://gist.github.com/jhefreyzz/5862b34eaa293bd5d981802093392ef1 Converted File: https://gist.github.com/jhefreyzz/61...

I'm using advent of code 2019 to start learning Python. I've read the Python style guide, and I'm trying to write readable and reusable code. This piece of code is an implementation of the IntCode computer used in many of the assignments. If you'd like to see code for the specific assignments, i...

I wrote a function that i use to preprocess pandas dataframes before running them through a machine learning model. The function works perfectly, however i don't think it's the most pythonic way to write it. This function accepts a list of words: ['here', 'is', 'a','sample', 'of','what','the','...

This is the first time I am writing R code to access/manipulate and save data. The SQL query I would normally run then save to a spreadsheet, read it into R, save to another sheet then copy and paste that yet to another spreadsheet, then import back into SQL-Server. To much going on so I wanted ...

I have created a wrapper for displaying messages with ArcPy and IDLE (as that is all I have available to myself due to certain circumstances) as I frequently use both to test and develop new tools. However I find myself repeating print statements and arcpy functions to display feedback. Unfortun...

I have below code snippet to call async method and filter based on a condition. I was checking if there is a better way to do below code. I am avoiding to use ToListSync() public async Task<Assessments> FetchDetails(bool isSuperUser) { var x = await abc.GetDetails(Id); detail...

Simple password generator, why do you think about it? I am learning C for a while on my school and in home. Just mix of symbols, lowercase, uppercase and numbers, how long do you want. #include <stdio.h> #include <stdlib.h> #include <time.h> int main() { int i = 0; int n = 0; int ra...

import math import sys from PIL import Image import numpy as np import scipy.io as sio import os scalingFactor = 5000.0 fx_d=365.3768 fy_d=365.3768 cx_d=253.6238 cy_d=211.5918 fx_rgb=1054.8082 fy_rgb=1054.8082 cx_rgb=965.6725 cy_rgb=552.0879 RR = np.array([     [0.99991, -0.013167,-0.002080...

I need to implement async_read_some from Boost Asio. The reason is here https://stackoverflow.com/questions/59223064/implementing-behaviour-of-boostasio-for-a-class but I don't think it's relevant. Mainly because my code does not use I/O, but OpenVPN3 thinks it's using I/O. async_read_some passe...

I was playing around with the eight queen's problem, just to see how I could use C++ algorithms to write less code. I figured out a way to find the next unused column using find_if_not. I am showing both ways of writing it. Assume we are looping over every valid "file" on a given "rank" ( in C...

I'm developing a toy project for monitoring some network parameters. Now I'm implementing a feature that will allow to measure a packet round trip between hosts by measuring time between TCP SYNC and TCP SYNC/ACK. One of the options for feeding this application with packets will be setting up cap...

This is another review on a program I've asked about before, now translated from VBA into C#. I'm sure I've brought over a lot of bad habits with me, so I'm spotlighting some key areas I'd love open-ended feedback on. This is a WPF desktop app. Program Function As before, this program makes ...

I am studying C while listening to a lecture by myself. When I was studying coding and listening to a lecture, I heard that writing code should be concise and maintainable. But I didn't know if I was doing well, so I felt the need for feedback. But it's hard to find anyone who can give us feedbac...