One of the things that has been really exciting me in c++20 is std::bind_front. Using placeholders with std::bind and boost::bind has really bothered me and the code looked messier and messier with each call to bind. It was bad enough for me to decide to enable -std=c++2a and pray that I wouldn't...

I hava a question similiar with mege in Python but I am trying to write Java code. Here is my code: The input is: The first line - a number of arrays (k); Each next line - the first number is the array size, next numbers are elements. Max k is 1024. Max array size is 10*k. All numbers between 0 ...

How may I optimize the following function to write a xls file from a list of dictionaries using the openpyxl library in Python. The current logic behind feels very very wrong The dict list: things = [ { "Fruit": "Orange", "Flavour": "Good", "Expiration": "21May20" ...

I created this state machine to handle events. I'm unsure about my implementation firstly because I don't use a transition table or anything like that, instead, I simply input the next event/state that needs to happen. I think this is cleaner than calling method to handle event b inside the metho...

So I was fiddling around with the Euler challenges. One of the things they mentioned in their discussions of the solutions is the Sieve of Eratosthenes and that you can only use it when you know an upper bound of the primes you want to generate. I wondered whether the algorithm can be adapted to...

JOIN Incidents inc ON log.year = inc.year AND log.month = inc.month AND log.day = inc.day Covering 35, 000 square meters. There are more than 400 workers and we can produce more than 100, 000 pieces hair goods each month. Production Market North Ameri...

I'm using WPF (MVVM), Caliburn Micro, and Autofac to create a simple desktop application. I am a beginner at all three. I have a ShellView with a ContentControl (bound to CurrentView) that displays the DetailsView after clicking a button (bound to ShowDetails()). internal class ShellViewMo...

Problem Description I am working on an e-commerce website, when a user wants to sell a product, he would open the product page and he can upload up to 12 photos: Image Upload Process This is the process that I follow for saving images. Once user drops an image on the uploader, it would get s...

For my research I'm working on global search methods where a candidate solution can have it's fitness (=score) evaluated in multiple fidelities (=accuracy levels). The goal of the CandidateArchive is to keep a clear overview of which candidate solutions have been evaluated under which fidelities....

I write kind of UDP server. It should serves about 10 messages per second. I would like a review about the general code 'quality' and logic. The code: public class UdpServer extends Thread { /* Receive timeout in mills */ final private static int RCV_TIMEOUT = 100; /* Buffer size */ f...

Extract the strings from nested arrays in Perl. It prints: a, b, c, d, E use strict; use warnings; use feature qw(say signatures current_sub); no warnings qw(experimental::signatures); my $tree = [1, 'a', [2, 3, 'b'], [4, [5, 6, 7, ['c']], [7, [8, 9, [10, 'd']]], 11, 'E']]; print join ', ', ...

I am a C# game developer currently learning C++. I am trying to implement some simplified STL containers. Here is my implementation of vector, which does not have the allocator (becase std::allocator Is To Allocation what std::vector is to Vexation ). My objective is to understand the mech...

I have made a ChoiceField into a select and submit button and wondered if this is the correct approach. forms.py class PortfolioForm(forms.Form): def __init__(self, *args, **kwargs): super(PortfolioForm, self).__init__(*args, **kwargs) portfolios = [('pf 1', 'pf 1'), ('...

I am working on a website and therefore on an animation that runs at the beginning before the content of the homepage becomes visible. I've looked at some examples of preloaders and now use that code with some setTimeout to implement the desired effect. The effect works the way it should but I t...

I have problems matching the letters i input with the word i have to guess, I don not where is the problem. Also if you could explain me where the error is because i am starting with php <?php require_once 'hangedman.php'; $words = array(); $numwords = 0; function printPage($image, $guess...

I'm making a 2D game which wraps (when you move off the right edge, you appear on the left, etc). The game area is square, all objects are circles (with AABB smaller than the game area, and in most cases, much smaller). I'm dividing the game area into a grid to perform collision checks. I need t...

In our Angular 1 application we handle backend exceptions in this way : updateContacts() { return this.ApiService.patch(`apiQueryParams...`) .then(({ data }) => this.UtilService.toCamelCase(data)) .catch(({ data }) => this.handleProjectError(data)) } handleContactErrors(err = {}) {...

This isn't the actual use-case I have but for simplicity, let's say I have an ActiveRecord Animal model in a Rails app. The Animals have a name (string) and rating (int). There could be animals with the same name but different ratings. In my Animal model I have a hardcoded constant like this: SP...

I am coding a UI for C++. I have a Frame class, which inherits from the Element class, which inherits from the Callbackable class. For every element callbacks needs to be called - I could call the "runXXXCallback" from every element I make, but I feel like there should be a better way, which wou...

I'm having a problem where i am trying to make an rgb splash screen however i get the error System.ArguementException: 'Value of '256' is not a valid option for 'red'. 'red' should be greater than than or equal to 0 and less than or equal to 255. it does this for all parts. Red, green and blue an...

I do not care about the byte count of the code I am simply looking to find more efficient code as I am a Python beginner. The code is supposed to ask for a name and ask a quiz that later counts the g's, y's, 0's and 1's to "determine if someone is gay or not"(no offense to anyone, joke among fri...

The object of the code is to prompt the user with a quiz and collect the g's, y's, 0's, and 1's and if there is more than one than the user passes (else, they fail). I am a beginner and would like to know if there is a more efficient direction for this code to go in. from time import sleep prin...

The code iterates from 1 to 11 and print the double and triple of that number This is how it my output looks I need to modify this for loop so that it stops iteration when the square of a value is larger than the triple of the value, without printing anything in the last iteration. This is h...

Context I'm trying to build a system in which a tool (the Client) will generate a header to be used as part of an HTTP request from the user's browser. The user should be able to choose their own implementation of the Client. The user should not have to install a plugin or extension to their ...