I want to return all of the permutations of an integer in Swift.
var outputArray = [[Int]]()
func perms ( _ input: [Int], _ output: [Int]) {
if input.count == 0 {
outputArray.append( [ Int( output.map{ String($0) }.joined() )! ] )
}
else {
for i in 0..<input.count {...
Disclaimer: This was an exam question we took and we have already solved it. But my friends and I are not sure if this is the right approach. Here is the question(verbatim) and our solution.
For this problem, you must implement the following methods
String deleteFirst() boolean isEmpty(). This d...
It was suggested I place this code here. I had posted it on StackOverflow for kind of review.
I found in Excel that a candidate number when evenly divided by one of [2,3,5] in can be found in previously generated hamming numbers. The problem is, I thought this would be a little faster. It seems t...
Here is code implementing Passport authentication with a Google Strategy. It uses Mongoose to store and retrieve user data.
You might need to be familiar with both of these technologies to review this code if not check out the two links I provided.
I have included only the Passport file. I was ...
Currently have a script that generates a level using 3d mesh to create hills for a side scroller game that follows the camera.
I would like to work on this script and get help on how to convert it to a 2d level generator using sprites and 2d polygon colliders.
If you use a 2DCollider player it ...
Program:
I have designed a program in python that does the following (in order):
Webscrapes google trends for the most popular searches
Stores the searches and traffic of the searches in an in-memory database along with a timestamp
Finds the trends that no longer exist (I.E the trends that are...
To quantify Buffet's #1 rule of investing, "Don't lose money", I take the assumption that % returns of an investment follow a Normal distribution.
Now a high return high risk investment might follow N(mu=50%, sigma=70%) while low return low risk investment follow N(mu=20%, sigma=10%).
from op...
After small research I found following informations: In this closed question I found some solution which not works good when pop-up has height bigger than screen (and some jquery solution). Here is question about show outside page in popup. And here are some theoretical and angularJS solutions. H...
I am playing with 3 Main Classes Please have a look
I have integrated https://github.com/jonkykong/SideMenu
I have one tableview which act as leftViewController
This class is show the list of menu user has
import UIKit
struct SideMenuListItem {
var name:String
var isSelected: Boo...[https://www.wolframcloud.com/objects/paralesely/Published/a.nb][1]
I am researcher and I find difficulties in studying my research because of my reference paper is written in Mathematica ,Wolfarm language .
Can somebody help me in translating this code in order for me to trace well.
Thanks for ...
I have a class which represents some translations of a keyword.
public abstract class Name {
private String name;
private String name_de;
private String name_it;
private String name_fr;
private String name_hu;
private String name_cs;
public Name(String name_key, St...
I have the following script to find files containing a certain string and then report on the location of the file along with the size in bytes.
It works, but I seem to have made heavy weather of finding the string which involves a fair bit of tidying up afterwards to produce some clean output.
...
I'm generating a URL (in string) that depends on 3 optional parameters, file, user and active.
From a base url: /hey I want to generate the endpoint, this means:
If file is specificied, my desired output would is: /hey?file=example
If file and user is specified, my desired output is: /hey?file...
Good evening,
So i've this project to create a window where i can execute programs from.
I'm really tired of searching so i decided to ask for someone's help.
anyways i made a program that shows a window etc but my problem is that i want to execute some functions, such as printf("hello world!").....
I am currently trying to get a two body problem to work, that I can then upgrade to more planets, but it is not working. It is outputting me impossible positions. Does anyone know what is causing that?
This is the code I use:
day = 60*60*24
# Constants
G = 6.67408e-11
dt = 0.1*day
au = 1.496e8
...
Variable Model is essentially a folder from the root-url where its child folders gets displayed through razor.
short story long - I got an internship, no past experience with ASP.NET-MCV, a nucance of an assignment (Yet fulfilling), and now I want to optimize my code, giving the content is to be...
I've got a .csv file with ZIP codes containing the city and its sub-districts
67401,City 1,district_a
67401,City 2,district_b
67401,City 3,district_c
67401,City 3,district_d
67401,City 3,district_e
67401,City 3,district_f
67401,City 3,district_g
67401,City 3,district_h
67401,City 3,district_i
6...
This is refactored and much more expanded version of the script reviewed here. The whole authorization process is added.
import os
import secrets
import string
import time
import webbrowser
import furl
import requests
import simplejson as json
import config
URL_CODE_BASE_VK = 'https://oauth....
I tried to make a MVC in PHP with OOP approach. Code Review this so I can understand whether am I using the best practices and can I legally call it a MVC framework or not. Also, I am going with 1 controller for each action.
This blockquote might help you review my code better.
The defau...
Can anyone check my solution to the first part of exercise 3.47 in SICP? Thanks.
Exercise 3.47: A semaphore (of size n) is a generalization of a mutex.
Like a mutex, a semaphore supports acquire and release operations, but
it is more general in that up to n processes can acquire it
conc...
How would you identify and fix the following code smell? I don't even know where to start from. I my opinion I will go starting all over, rather than try and refactor. But how would your review and rewrite this code to be more modular? Here is the code-smell below:
controllers/api/v1/base_contro...
The idea is to have 9 unique cases, that will come from combinations of my buttons. We have 2 groups of buttons. The combinations will display a box, and hide the others (we have one box for every case)
So cases would be: 1-1 / 1-2 / 1-3 / 2-1 / 2-2 / 2-3 / 3-3 / 3-4 / 3-5 / 3-6 /
I have done s...
What I can't do is assign the feed back to user -263, the "original" Captain Obvious.
What I can do is create a new feeds user, -786, and copy Captain Obvious' name and avatar across to it.
So I've done it.
My code displays it correctly:
v = lambda x: [x[0:i+1] for i in range(len(x))]+[x[0:-i-1] for i in range(len(x))]
print(*v(input("Enter a sentence: ")), sep="\n")
Had it type m or else it won't let me post
This also works:
text = input("Enter a sentence: ")
v = [text[:i] for i in range(1, ...
Hello and thanks to anyone that reads this.
I'm relatively new to programming and object oriented themes and i am applying for a software development placement in the upcoming weeks.
They gave me a task of making a program that chooses 2 of 10 provided engineers randomly to work overtime in a g...
I am using python threads to download images. I have a json file that contains a url to the image in the following structure:
images = {'images: [{'url': 'https://contestimg.wish.com/api/webimage/5468f1c0d96b290ff8e5c805-large',
'imageId': '1'},....]}
There are over 1,000,000 images. After...
Annother little excercise with openpyxl:
Say you have a Excel file like this:
The Goal is to make make it look like this:
My code to acomplish this:
inversion.py
"""
Inverts the content of table row and columns
"""
from copy import copy
import openpyxl
from openpyxl.utils import get_c...
I was just wondering how I could add a search option to this program? I'm stuck. Ex: The program will ask the user to enter a name to search for. it will then display the index position of the name within the array.
import java.util.Scanner;
public class NameSearcherMAC {
public static void ma...
Here is how I'm detecting a field separator and line break in a csv file for which I do not already know the format. Does this look sufficient, or are there other things I should be adding here?
SEPARATORS=['\x00', '\x01', '^', ':', ',', '\t', ':', ';', '|', '~', ' ']
LINE_TERMINATORS_IN_ORDER ...
