i want to throw an exception using try-catch or simple if-else in the following code public MyNumbers divideBy(MyNumbers n){ if (n instanceof MyRational) { tempdenominator=((MyRational) n).number; tempnumber=number*((MyRational) n).denominator; return new MyRational...

Sometimes you feel like a wrath cookie and sometimes you don't. Here is a function that I created that will run on an interval, so all I have to do is set a boolean when I want to switch between Wrath + Gold cookies and just Gold cookies. // allows me to turn on and off the clicking of the Wrat...

I want in my homepage to show the furnitures items in a following way: Newly Arrived Furnitures(upto 10) Featured Furnitures Free shipping Furnitures (upto 10) For this I tried to go with the principle of Fat Models, Thin View. Here is my code class FurnitureQuerySet(models.Query...

Recently I updated a JavaScript file for my website. I added in use of cookies. Bear in mind that I only just started to learn about cookies and I had errors. so I moved code around to stop it from having errors. However, I'm not sure if this is efficient. Sometimes when I refresh my page it w...

I was made aware of this exchange as I'm still figuring out all of the ins and outs of stackexchange, stackoverflow, etc. I apologize if this isn't a proper question to ask, but I wasn't sure if there was a better resource than the great people here! To start, I was an amateur web developer for ...

I have written the following code for a programming assignment. I would appreciate some help to improve this code and see if it meets all the requirements and criteria. I would like to improve my loop and supporting continue function. Note: I am Computer Science student and this is my first ass...

I am rewriting some old code where I take an dataframe in r and convert it using the tidyverse packages to a list of lists where each element is one row of the original dataframe which is itself a list with each column an element. My previous function achieved it like so: library(tidyverse) feat

i'm having problems using C to use structs. Always gives me segmentation fault on ubuntu, but works on windows devc++. #define _GNU_SOURCE #include <stdio.h> #include <time.h> #include <string.h> // helps strcat #include <stdlib.h> // conv char to double #include <math.h> // use pow and sqr...

Skippable Intro: I have a dataset that corresponds to an observed time-series. The dataset is organized into a dictionary - which contains an array of years, an array of months, an array of days, an array of hours, an array of observed speeds, etc., each obtainable via the appropriate key. My go...

This code for the JS only but it holds for other programming languages too.What are the performance differences,issues,pros and cons over others. if (something) { // do something } VS if (something!== 'undefined') { // do something } And var a = somevalue || null; // or [],{} VS va...

I categorize keywords as following nest list, Keywords_33=[('File_2', ['with', 'as']), ('Module_2', ['from', 'import']), ('Constant_3', {'bool': ['False', 'True'], 'none': ['None']}), ('Operator_4', {'boolean_operation': {'or', ...

I have to implement the binary tree using array. I have to perform all operations using an array. I got a problem while finding the height of the tree. I am getting stuck near the while loop, it is going to infinity. What is the reason for it? Can anyone give me a better solution for my problem. ...

I am working on a web scraping project which has a few modules, which in turn have their class and methods. For example: database.py |----------class Database(object): |----------------------def __init__(self) |----------------------def execute(self) |-----------...

The Code Prompts the user for the ID of the employee. The Code should use LINQ to search for the ID in a comma delimited text file and select the ID and the rest of the information on the line. The code then should display the information from the text file into its respective textbox. I will add...

I wanted to write an implementation of Disjoint Sets with path compression and ranking based on the components' size. In my general approach I followed the description of the data structure in a lecture note I found. I will use this structure later in another component for connected components,...

https://github.com/WarChild17/hello-world Please, tell me what to do next time to make it better :) xoxo

Currently working on modifying big mapping classes and some new rules have appeared making me wonder what is the best option here. Imagine a classic mapping function like so: yyy.setType(xxx.getType); yyy.setSomething(xxx.getSomethigElse); yyy.setThisAsWell(xxx.getThatAsWell); And I now have ...

#define _GNU_SOURCE #include <stdio.h> #include <time.h> #include <string.h> // helps strcat #include <stdlib.h> // conv char to double #include <math.h> // use pow and sqrt #define MAX_PTC 20000 struct PointCloud{ double x[MAX_PTC]; double y[MAX_PTC]; double z[MAX_PTC]; f...

This library is part of accounting system. Two major models are involved. For every transaction there is an entry in AccountTransaction model and corresponding 2 entries in AccountJournal model. For non-cash entries, reference details go to AccountTransactionDetail model. How the code can be rewr...

I'm currently using the Advent of Code programming challenges as an opportunity to learn some python. The following code is my solution for the Day 8 challenge, where the task is to write a programm that reads a set of instructions which are then performed on registers. Registers start with a val...

I posted the question on stackoverflow : https://stackoverflow.com/questions/47794767/better-implementation-or-use-design-pattern Please help and thank you.

For the following code I would need to compare some lists: a=[] b=[] c=[] d=[] e=[] with open('dump.sql', 'r') as dump: for line in dump: if string1 in line: tail1 = line.split(string1)[1] for group1 in tail1.split("),("): grou...

I have a column flowing in with the full range of integers. Whilst generating keys on the INT column, I need to push the 0's and negatives down (ordered DESC) and the positive keys to stay at the top (ordered ASC/DESC). I came up with two approaches but I am not sure which is the best Approach 1...

My sfml c++ video game program works but I feel it can be shorter, cleaner, and more efficient. I am not expecting anyone to rewrite the whole code but some tips of parts I can clean and how to clean them would be appreciated, I am new to c++ and this is my first big project, thanks. #include <i...

I am not giving any code here, but the problem I am facing is quite generic for the code I have been writing for the last six or so months. Before, I have mainly coded in C and C++ to solve mathematical problems mostly. Things like numerical analysis, competitive coding challenges and the like. N...

We have a requirement that access to an AWS environment is enabled on demand, and said access disabled afterwards. In each case (up / down), this means we will do two things: Enable access 1) Turn on the Bastion instance 2) Modify the Security Groups of the EC2 instances, so a SG allowing RDP ac...

Background My team develops in a git monorepo. User stories are broken into very small discrete sub-tasks and merged directly into master, rather than into a feature branch for the story. Topic branches Our topic branch names are all of the form issue/<developer username>/<subtask ticket>. Th...

Let say I've abstracted away a data structure such as a list; should this new object perform all the calculations or just provide minimal calculation functions and then allow a new object such as ReportGenerator to perform more large-scale calculations? Example below: THIS? class WrappedCollec...

In the 20×20 grid below, four numbers along a diagonal line have been marked in red. 08 02 22 97 38 15 00 40 00 75 04 05 07 78 52 12 50 77 91 08 49 49 99 40 17 81 18 57 60 87 17 40 98 43 69 48 04 56 62 00 81 49 31 73 55 79 14 29 93 71 40 67 53 88 30 03 49 13 36 65 52 70 95 23 04 60 ...

This question is a follow up question regarding to RAII-style lockable objects. Will swaping the lock pointer be multi-thread safe? Both the copy constructor and copy assigment require an additional lock entry. So might this method lead to a dead lock? What if the TLOCKABLE is only allowed to ...

This is just a dummy example, but in my real world application I get a lot of data from the web API and I'd like to manipulate it on the client's side. So, I kind of stored the observable I get from http request locally and change the values with map: @Injectable() export class UsersApiService {...

I'm not able to track down why my populateForm() function is running twice when I click on the element #canvas-overlay > .rectangle. Can anyone see why it's running two times on each click? function populateForm() { var matchingWidth = $('#canvas-overlay > .rectangle.targeted').width(); ...

public static countFreq(int[] array) { int[] temporary = new int[10]; int[] frequency = new int[10]; for( int i= 0; i < array.length; i++) { int x= array[i]; temporary[i]= x; for (int j= 0; j < array.length; j++) { ...

database.py import sqlite3 class Database(object): """sqlite3 database class that holds testers jobs""" DB_LOCATION = "/root/Documents/testerJobSearch/tester_db.sqlite" def __init__(self): """Initialize db class variables""" self.connection = sqlite3.connect(Databas...

Given a 64-bit integer x (which is always larger than 0), we wish to map it to an index so that: when x is between 0..64, we map it to 0, when x is between 65..128, we map it to 1, when x is between 129..256, we map it to 2, etc. Writing such a function get_index(x) is simple, consider say th...

for the code, if one consider to use RAII encapsulate CriticalSection(global scope), two RAII layers are need : InitializeCriticalSection layer (main function scope), enter EnterCriticalSection layer(multi-thread based Proc scope). // Global variable CRITICAL_SECTION CriticalSection; int main(...

History I am new to Python and this is my first attempt. Utilizing a legal login (omitted from the code below) to the Bob and Tom VIP website to access their Full Show mp3, I have created this script to automate the task. Googling StackExchange and the couple of Python books I have were able to ...

Tonight I tried to write a POSIX shell script (I hate the idea of my scripts not being portable, so that's why I am no longer scripting in Bash), which would allow me the following: To check upon how long a Process ID is running and be able to handle multiple inputs. #!/bin/sh is_this_a_numbe...

Introduction The following data structure is a dictionary mapping primitive int values to any value type. Basically, under the hood it is a hash table, where a translated key is mapped to an index into that hash table containing a value. We, however, use a van Emde Boas tree algorithm to bring t...

#include<time.h> #include<stdio.h> #include<stdlib.h> int main() { int sum=0,fark,avg,imax; int puan[10]; srand(time(NULL)); for(int i=0; i<10; i++) { puan[i]=rand()%101; printf("%d. ogrencinin notu = %d ",i+1,puan[i]); printf("\n"); if(i==0) { imax=puan[i]; } ...

I want to classify a PNG image using CNTK and C++. There are plenty of example on how to do so in Python. However, I need to provide the classification result to a C++ application. Microsoft supplies sample code to classify a random generated noisy image. Therefore, I need to read the target PNG...

I have implemented a "Guess number game" using Swing. The idea is that the user enters a range and the program makes guesses of the number. This is the first time I'm implementing this kind of application. If there are any improvements I should make to the code let me know. I will be grateful f...

Write a C# Console program that consists of one major class called StudentGrade. The StudentGrade class has the following properties (studentName, StudentNumber, Course, grade). The initial value of grade is 0. A user of the application should be able to insert multiple grades (insertGrade) and ...

I want to know which one of the below code for handling the esc keypress event is the best approach and why? Approach #1 <div (keypress.esc)=(onKeyPress())> </div> onKeyPress(event) { // do something } Approach #2 <div(keypress)=(onKeyPress($event))></div> onKey...

My coding school assignment BlackJack Game isn't working as I want it to, the reason for this is because the random number generator keeps generating the same number. I want to know if anyone can help me fix this grave problem in my game. Here is the code: #include <iostream> #include <string> ...