As part of a simple platformer game, I would like to make platforms that act as floors for a ball to sit on. I have this defined in the class Floor call in my program and it is not forming. Anyone know how I can correct this piece of code? import tkinter as tk tkroot = tk.Tk() class ...

This is a follow-up question for A recursive_transform Template Function for BoostMultiArray and An Add/Minus Operator For Boost.MultiArray in C++. Besides the add / minus operator for Boost.MultiArray, I am trying to implement an element-wise increment operator and decrement operator as below. T...

This time, one of my labs state that I need to write a complete java program which will calculate the square root of a number via Newton's method. The reason behind using Newton's method, as opposed to Math.sqrt(x) is so that I get to practice the use of simple IO, conditional expressions, loops,...

There is a problem on Exercism Java track that requires writing a function to flatten an arbitrarily nested list to a flattened list without null values. For Example input: [1,[2,3,null,4],[null],5] output: [1,2,3,4,5] Here is the solution I wrote for it without using wildcards. public List flatt...

I'm trying to implement a Doubly Linked List data structure in C++. Please give me suggestions on how this code can be improved. Try to remain in C++11 because that's what I know atm. #ifndef DOUBLY_LINKED_LIST_HPP #define DOUBLY_LINKED_LIST_HPP #include <iostream> template <typename T> class D...

I like to compute dummy variables based on the existing values in a dataframe and a dictionary with certain "cut off" points. I wonder whether I need to get rid of the for loop in the example below. And if so, how? The second answer in this Stackoverflow post compellingly urges to avoid looping t...

I'm new to javascript and trying to figure out what improvements I can make to my code. In this code I retrieve values ​​from an iODBC database then I format and push in SQL database. I am making arrays to get all my values that I am processing, however I think the best way would be to do it in o...

I am working on a project in which I am using vue js 2 and electron , to manage the state I use vuex , I have at least 20 actions to call methods: { ...mapActions('Store1', ['FETCH_AB',...]), ...mapActions('Store2', ['FETCH_DS',...]), ...mapActions('Store3', ['FETCH_SD']...

i have a list of dictionary let's say : l=[{'a':1,'b':2},{'a':5,'b':6},{'a':3,'b':2}] and i want to have another list l2 and add 4 to the 'a' in the all dictionaries l2=[{'a':5,'b':2},{'a':9,'b':6},{'a':7,'b':2}] (the first list l shouldn't change) so i am doing it this way but i feel there is be...

I have two optional strings, any of them can be None. I want to create their combination with a delimiter between them if they both exist. I have two versions working, but I do not like any of them much, I expect to be able to come with a more concise and nicer solution. I like the reduce version...

Currently, I am working on this project where I need to achieve the following... Get column named Category from MySQL database. And whatever the output is, check the specific radio button on winforms. I'd like to see if I can improve it, or if there is a much easier way of achieving my goal: Pers...

This is my code. It loops a menu, from which you can select whether you want to add a subject, see all subjects or delete a subject. Is there anything style- or functionality-wise to add or correct? def add_subject(subjects): # ask for subject to add add = input("\nWhat subject do yo...

Given a byte string S of length l, obtain the string D of length l-1 as D(i) = S(i) * S(i+1) (each element of D is the product of two consecutive elements of S). here is my code. bits 32 global start extern exit import exit msvcrt.dll segment data use32 class=data s db 1, -3, 4, ...

The codes for the popup menu are below. The user should be able to launch the main app through this popup menu but it doesn't work. #Popup menu from tkinter import * import os root = Tk() root.title("Popup Menu") p = Label(root, text = "TFL Journey Planner", height = "18", width = "250", bg =...

MATLAB (original code): function p=wfpt(t,v,a,z,err) tt=t/(a^2); % use normalized time w=z/a; % convert to relative start point % calculate number of terms needed for large t if pi*tt*err<1 % if error threshold is set low enough kl=sqrt(-2*log(pi*tt*err)./(pi^2*tt)); % bound kl=max(kl,1...

I have written a forecasting application using a Jupyter notebook and would like to structure the application (and supporting) code as a Python project. At a high level, the application: fetches data from a remote database, and organizes and formats it trains a model using this data evaluates it...

I just got to review a hierarchy of classes, where the parent abstract class is at the same time a factory of its child classes. I have a feeling this is a code smell, but I cannot find a rationalization for that feeling. Is it a code smell? If so, how it can be improved? class Dictionary(ABC): ...

Let's assume you are writing a REST Api with a common structure like Controller > Service > Repository > Database. In the database there's a table with a column with a unique constraint: // Examples with typeorm/typescript // user.entity.ts @Entity() export class User { @Prima...

What I'm Doing So here's the deal, I've made some code for a Minecraft server I began working on about a week ago. The only problem is that I'm the only one working on it. So I've been doing some building and decided to take a break to do some coding. What the Code is For I decided to start off w...

I have this code in my MVC Controller: [HttpGet] [OutputCache(VaryByParam = "*", Duration = 3600, Location = System.Web.UI.OutputCacheLocation.ServerAndClient)] public async Task<string> GetAPI(string callback, string libraries) { var location_selector_script = System.IO.File.ReadAllText(Ser...

The following code is in-memory repository that stores key/value pairs. It will be used on our server to keep information about active clients. Clients send keepalive messages to indicate that them are active. Important point: the formation of inactive (expired) clients should be removed from rep...

I currently have 2 functions I'm working with. Originally, the fetchInventories() function didn't require an argument because I'm fetching some query results I need to use which's happening inside the getInventories() function. But down the line, I needed to make sure the query knows what's the...

I have an init predicate which asserts some facts. I would like to clean these up after execution. I'm running queries of the form init, do_stuff, cleanup.. I would rather not have a separate cleanup call if i can avoid it (because I forget to call it). I found this as a solution: init:- asse...

Have you ever written a python script, then got to a part where you have to get input from the user? I would assume your code went something like this: user_input = int(input("Enter number: ")) Then you realized that if the player enters "keyboard spam", then your program crashes. So you need to...

Today's assignment states that I need to write a complete java program which will calculate the relative orthodromic distance between two sets of geographic coordinates declared by the user. When the user enters latitudes, it should be in degrees with negative numbers representing South latitudes...

I'm doing the following problem (not homework): I'm doing an exercise (not homework) and I decided to go with backtracking, The problem says as follows: You are given as input a target string. Starting with an empty string, you add characters to it, until your new string is same as the target. Y...

I created this project on EDA Playground that builds a variable-width 3-way multiplexer out of 2 variable-width 2-way multiplexers. It will be part of homework that I assign, so I want to follow all best practices. I followed the lowRISC Verilog Coding Style Guide. Design Modules module mux2 #( ...

I'm trying to refactor the working code below, but it doesn't seem "linear" enough. What the code below is doing basically: take a request (made of parts) convert each part to a command checking one parameter among the ones needed to instantiate with validations if any failures then we exit with...