I was asked this question in an interview: Given a string s consisting of 0, 1 and ?. The question mark can be either 0 or 1. Find all possible combinations for the string. I came up with below code but I wanted to know whether it is the best way to solve the problem? public static voi...

As per subject line - New to programming with the goal being to create my own roguelike. I am mostly interested right now in creating my item generation system. I want the code to create a random item that can then be used, stored in an inventory etc. Want to know if the below is a smart way to b...

In a test I have many lines that look somewhat like this foo should equal(Seq(true, false, false, true, false, false)) bar should equal(Seq(false, true, false, true, false, false)) baz should equal(Seq(false, false, false, true, true, false)) I find the expectations hard to distinguish. So I ...

I just write a simple method which returns a string based on the number in accepts as a parameter. I used if/elif/esle here but I think for this simple scenario I wrote long code. I want to know is it possible to shorten this code in any way except using a lambda method. Also, I'm interested to k...

This is based upon an exercise in chapter 5 of Automating the boring stuff using Python. This code contains functions addToInventory which modifies a given inventory of items to add new items as well as update existing items and displayInventory which displays the items and their values. The mai...

could you help me with this interactive calculator? I would like him to be able to add numbers not just digits, and I would like to be able to do more operations in a syntax (a + b-c) #include <iostream> #include <cstdlib> #include <conio.h> using namespace std; int main() { int a=-1,o=-1,b=-1...

Consider the following segment of code: for (let i = 0; i < (maxResults || currentResults.length); i += 1) { const item = currentResults[i]; if (results.has(item)) { // do something } } Does the i < (maxResults || currentResults.length) piece of code get opti...

I have a more massive sp, in which I use some temporary tables, below is a part of the sp where I am updating a field in a temporary table two times. Update #BalSheet set OBCr = OBDr + isnull(trialDeb.amount,0) from ( Select v.AccountId, v.CompanyId, Sum(isnull(v.Amount,0)...

I have a users table where some users have the same name: +----+------+ | id | name | +----+------+ | 1 | Joe | | 2 | Joey | | 3 | Joe | +----+------+ ... and a purchases table: +-------...

By these functions I mean the (call, hide, removeListener, addListener, observer.subscribe) functions, i feel like going to write them over and over again, is there a better way to do this? export class UIStateService { authForm: UIAuthForm = { show: false, type: 'login', observer...

This is a simple io completion ports for Linux implemented in user mode In windows io completion ports work like this : There is a global queue for issuing io requests There are some worker kernel threads that pop from this queue and operate on each request There are a queue associated with each ...

I made this easy game because I couldn't make tetris(I couldn't place piece into game field correctly) and I'd like someone to analyze my code and tell me if I'm bad cuz I really can't make more complicated game. The functions like NoFlicker and ShowCursor I copied from internet but the AlignStr...

Based on userAccessData Object i need to filter the properties so what ever properties inside the fields are there they will be exist in the updatedValue, i am able to do it. also one more thing if the ouput is an empty object then there is no need to have that object want to remove that also i...

Here is my code, which doesn't seem to work for numbers in between -1 and 0 (works perfectly fine otherwise) I think the code enters an infinite loop, somehow, hence I get no result after entering the number. Please have a look and let me know what changes should be made. I am a beginner at prog...

I recently completed my first website using SCSS and thoroughly enjoyed using it over plain old CSS even though I didn't get use any of the advanced features of SCSS. I figured before I delve into making my next website I should get my code reviewed so I will be able to adapt these changes into m...

I am trying to solve the BUGLIFE problem on SPOJ using bfs + checking for bipartite graph. Even though my code runs on the example input and testcases from spojtoolkit.com , I keep getting WA while submitting on SPOJ. The code is as follows #include <bits/stdc++.h> using namespace std; vector< ...

I tried to make a function able to compute the binary sum. Binary numbers are passed as list composed by 1 and 0, like [1,1,0,1], [0,0,1], etc. It seems to work. I tried to improve the code, but I don't think this is the best way to make it work. How can I correct it? def check(value): if v...

I have an array of objects. An example could be maskInfo: [{ fieldId: 1, values: ['My invoice'], fieldTitle: 'Invoice name', dataType: 'String', isRequired: true, valueAmount: '1', masterFieldId: null }, { fieldId: 2, values: ['08/15'], fieldTitle: 'In...

I wrote a program for matrix multiplication in C language, but there is no way to check the data stored type of matrix A and B. I hope to have matrix A with Row-major order and matrix B with Column-major order, and I would appreciate if you could teach me the following two things: whether matr...

''' Specifications: A multi-Threaded Web Spider that: Takes website and depth of spidering as input Downloads the HTML files only Inserts the HTML into a MYSQL database It also parses the forms on each page and inserts into db with form details ''' import mechanize import sys...

I am doing an image drawing and rendering library, and would like some feedback on this code, it simply draws a line in any direction. The equation for that is: m = (y2 - y1) / (x2 - x1) b = y1 - m * x1 y = mx + b It works but all these if statements are bothering me, and I am not sure if it...

If you want to use a custom deleter in unique_ptr you either have to pass a functor or the signature of a delete function as template argument. If you have a freestanding delete function (often from a C API) you have to pass the actual address of the function to every instance of your unique_ptr....

Here is my code for the KenKen puzzle. The user must fill in each embolded regions with numbers in the range 1-n where n is the board dimensions (e.g: 4*4, n=4) such that the total of that region equals the target number in the corner using the designated symbol. Each row and column MUST co...

I have this ProductSearchContainer.js file that it's getting too long to handle and maintain. What it's responsible for: Doing network requests to get a list of products Filter that list with filters values it gets from URL query string and update state with the new filteredList It also holds ...

SELECT pl_from, NS, page_title, L_NS, L_titles, num_L, SB, IU, WP FROM ( SELECT pl_from, -- pl_from_namespace does not appear to be consistently reliable; -- it might be better to select from the page table and join the pagelinks table to it. CASE -- This fails on pages missing from t...

I found the following java code for association rules generation and I replace my own dataset in this. But I have uncorrect output but no error in code.Please explain me where the part of code is misused and changed in this code. details of code Demo.java package net.coderodde.mining.associati...

I have two nested objects where one object decides to remove or keep the other object properties. So based on the userAccessData object I am doing this operation on allData and I have one more conditions that if form has an action with read access, then the fields which are required will be updat...

I have prepared a macro in VBA to create a pivot table and do some other cleaning up tasks. But obviously this has made my file heavy and it slows down the operation. Please can someone help to shorten my code and make it more professional. Or if anyone can share a good link on how to prepare...

I have a question about function get_data (). Is the logic of the function in the correct place? That work but I think it is no good practice but I no have an idea how to make it better class AlbionItemFilter(django_filters.FilterSet): item_data = django_filters.CharFilter(method='get_data',f...

I'm working on prepared statements for my website and I'm wondering if it's possible to have multiple prepared statements one after another. In this example I have 2 select statements, I'm hoping that the question marks I have as place holders won't be overwriting one another. After that's been...

I started to learn python not long a ago to automate certain tasks I work on. So this is not a problem i'm trying to solve per se but instead I want to optimize a script I wrote that takes a line in an Excel file and prints a pattern of text based on this line's content, here's an output example ...

I came up with the following code by following Prof. Sedgewick's lecture on Coursera. Please review this code and let me know if there is anything that I got wrong here. private class WeightedEdge { public int from, to, weight; public WeightedEdge(int from,...

Create a user class with id, name, age. Write a function to get users older than age 20. Group all users with same age and increment users age by 3 Is there a cleaner way to write this? Any comments are appreciated. const userList=[]; const userAboveTwenty= []; class User { constructor(name,...