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-2
votes
0answers
5 views

Adding a term to Polynomial class, approach with dynamic arrays

I am trying to program a Polynomial class. I am kind of stuck on the coefficient adding. ...
0
votes
0answers
6 views

Basic Pong game using C++ and SFML

I am trying to make use of C++ and SFML to make a basic Pong game. So far I have made it so that there are two players who can control the paddle on each side and the ball will bounce off screen and ...
-3
votes
0answers
14 views

Java For Arraylist

Good morning guys, I need help. I search the Internet for a way to read two values from the keyboard n and m then save the i values to an Arraylist. Subsequently, I intend to scan the arraylist for ...
3
votes
1answer
18 views

Extract, filter and match three letters from the given arguments and predict the name

Case 1: rank1_naming This function takes two arguments list_proteins_pattern_available best_match_protein_name Objective: Extract the three letter pattern from the both arguments. Match the ...
-1
votes
0answers
6 views

Leaflet search plugin fetched by $GetJSON function

I have been fighting with running the leaflet plugin with $GetJSON function My code looks like this: ...
0
votes
0answers
7 views

Splitting up a custom hook

I've got this custom hook that is suffering from a bad case of violation of SRI. This is a simple 5x5 board where a car can move around. Together with a server side check if the move is valid or not....
0
votes
0answers
9 views

Does google consider html comments in inside JSON Schema to be a violation of the “schema must match content” rule?

I currently have a small jobs website, which generates a json schema for google to publish it in google jobs: http://qkids.co/online-jobs/Illinois/Chicago/60629/127090/64 this url produces a JSON ...
0
votes
0answers
3 views

How to differentiate web fonts font-face font-weights?

What do you guys think: OPTION #1 (same font-face name and change font-weight) ...
4
votes
2answers
32 views

Schelling's model of Segregation Python implementation with Geopandas (Follow-up)

This is the repost of the following question as suggested by @HoboProber . Again, if you don't know what is Schelling's model of segregation, you can read it here. The Schelling model of ...
3
votes
2answers
38 views

Weapon class firing logic in JavaScript

I'm making a program to compare Borderlands 3 weapon damage over time in a graphic. There's still some work to be done, like implementing elemental damage, but I'd like to know if I'm doing a good job ...
9
votes
1answer
70 views

Get the encrypted payload from an unencrypted wrapper PDF document

This is code, written by our dev team, and SonarQube tells me that the Cognitive Complexity is too high: 21, and the current (default, out of the box) metric limit is 15. I've had a go at reducing the ...
-1
votes
0answers
13 views

sql like operator %string% taking too much time on very few records

i have a small database with 7 tables with 6 reference table i need to do search on the base of key word so i write a procedure as follows ...
-2
votes
0answers
12 views

PHP, HTML dynamically create table and merge cells of class schedules [on hold]

I have an array from my query result, i want to display the values in a table dynamically since every result may vary depends on the schedule of the student. The table has a fixed header of MONDAY-...
-4
votes
0answers
26 views

C# LINQ CODE REFACTORING [on hold]

I'm using entity framework to get data from a db, I'm also using linq to group the data and some stuffs linke that, and I've just wrote a method which is grouping data by it's status: ...
0
votes
0answers
15 views

What is the Idiomatic way to handle error in go when populating a struct

Here is a simplified version of my code struct and the function that populates it. ...
-3
votes
0answers
21 views

Double precision variance [on hold]

I have a motion profile generator which calculates a position 1000/sec. During the decelerating portion of the move, the following calculation is used: ...
0
votes
0answers
9 views

Polling an SFTP server to list files in a directory

When is it better to instantiate the sftp client globally vs inside a function as shown below? What considerations favor one method over the other? For a long ...
3
votes
0answers
28 views

“Block a website” script with vanilla JavaScript

I use this script to block access to a one or more websites with vanilla JavaScript. I find that it helps me avoid some addictive news websites that make me depressed. (Credit to Marat Tanalin for ...
0
votes
0answers
26 views

Computational Chemistry - is there a bug with my code? [on hold]

Hi Code Review Stack Exchange! I had originally posted this on Chemistry StackExchange, but they suggested I try here instead. Anyways: I was checking my RHF code and found a couple of bugs (which ...
1
vote
1answer
34 views

Swift: extract string with regex and range

In Swift, I have a string like this http://mnc-hdqp.oss-cn-shanghai.aliyuncs.com/user%2Fheat%2Fdefault.jpg?Signature=2BI%2BauSvy&Expires=1568682491&OSSAccessKeyId=LTAIQ8Lif1HHVkXd Need to ...
7
votes
3answers
875 views

Algorithm for competing cells of 0s and 1s

I'm working on a practice algorithm problem, stated as follows: There are eight houses represented as cells. Each day, the houses compete with adjacent ones. 1 represents an "active" house and 0 ...
3
votes
1answer
38 views

Java solution to CodeChef “Surgical Strikes” challenge

I've just recently completed this programming "challenge" called surgical strikes: \$N\$ Indian Air Force fighter planes are located in different bases across the country. Each airbase is described ...
-4
votes
0answers
22 views

c# - PropertyInfo set value List<object> [on hold]

PropertyInfo set value List show error in convert list I tried to convert to json and I couldn't ...
-1
votes
0answers
9 views

Fully uncontrolled component with a key and parent state changes [on hold]

I am learning reactjs (almost beginner) and I am writing a hagman game. I have 3 child components (a canvas of the hangman, a keyboard to click on letter keys and a display of the word). When letter ...
0
votes
0answers
23 views

Avoiding `@SuppressWarnings(“unchecked”)` [on hold]

I have the following code but in the method I needed to put in @SuppressWarnings("unchecked") to suppress this warning Warning:(49, 45) Unchecked method '...
1
vote
2answers
45 views

Determine if a string is a sequence of dictionary words

This is Leetcode problem 139: "Wordbreak" Problem: Given a non-empty string s and a dictionary wordDict containing a list ...
-3
votes
0answers
21 views
2
votes
1answer
26 views

Function to convert “path” into regular expression

This function converts a string like: /{?lang(2-5):lowercase}/{page(2+):lowercase}/{article}-{id:integer}*.html* Into the following regular expression: ...
2
votes
1answer
32 views

Automatic CRL files converter

In my job we use our internal CA runs on a Windows server. When I want to use it’s CRL on a Linux machine I have to do these steps: download root CA and intermediate CAs covert them to x509 merge ...
4
votes
2answers
43 views

Run the needle program for a query against the subject files and return the result

I have written the script to run locally the needle program for a query against the subject files. It returns the highest percentage result file as a string. In addition it also converts to html file (...
4
votes
1answer
41 views

A thread that can be interrupted before starting

As per the Java documentation: Interrupting a thread that is not alive need not have any effect. Particularly, interrupting a thread between the call to start() and the invocation of run() has no ...
2
votes
1answer
18 views

Plotting a parabola using Tkinter

I'm a beginner, and I have just written this basic code that simply plots a parabola in a graph. Is it possible to make my code more efficient? The process works by the creating lists of X and Y then ...
3
votes
1answer
40 views

Replace part of the string with n size with string of m size

I wanted to understand memory and pointers better before I endeavour into file path manipulations for larger project. This is simple replace part of the string test function that I need to rewrite ...
10
votes
3answers
806 views

Account creation and log-in system

I've been learning Python for about 1 - 1 1/2 weeks now and just finished my first small project to help solidify what I've learnt. It's a very basic (bad) login / create account system that I run in ...
1
vote
1answer
24 views

Trading System with Akka

Recently I did an exercise to understand Akka. I implemented a trading system with Akka to process orders with Actors. My code is like: Order: Immutable class with acts as the messages in the ...
-4
votes
0answers
29 views

A Generic error occurred in GDI+ in Bitmap.Save method [on hold]

On the save Rtn.Save() method is causing exception "A generic error occurred in GDI+.".. Any ideas where I am going wrong? ...
3
votes
0answers
46 views

RSS Reader from Multiple sources

I am writing a RSS reader Library which should be able to read the data from different sources. I am very new to writing libraries and not sure if I am going right with it. These are my base ...
3
votes
3answers
157 views

merge list of strings into one sorted string

So I was tasked the following: Given a list of strings, output a sorted string that consists of all lowercase characters (a-z) from each string in the list. Example [aba, xz] -> ...
0
votes
0answers
35 views

Faster way of Floyd-Warshall [on hold]

I've implemented the modified Floyd-Warshall method to determine all shortest paths between all pair of vertices (i.e., if there are multiple shortest paths between a vertex pair, then all of them are ...
4
votes
2answers
47 views

Effective fetching data algorithm

I'm fetching some data by using bs4, and want to know why access speed gets slower as my program progresses. I'm using thread, and I know threading isn't so fast because of GIL. My problem is that ...
3
votes
1answer
43 views

LeetCode: Time Based Key-Value Store C#

https://leetcode.com/problems/time-based-key-value-store/ Create a timebased key-value store class TimeMap, that supports two operations. ...
0
votes
0answers
9 views

Constructing constrained/validated objects

I'm trying to do some rudimentary DDD in validating my objects to ensure they are of a particular type. I.e. an Email object would always look like "my@example.com" ...
-3
votes
0answers
20 views

Calling function in class in hotel reservation system (python) [on hold]

I dont know how to use and call the def function under class. I am not sure how to use the input data for the class. There are two text files which will be used, about the rooms: room id and price of ...
2
votes
0answers
26 views

Convenient way to make an UIImageView ExpressibleByStringLiteral

I want to reduce boiler-plate code and write like this when developing in iOS: let imgView: UIImageView = "share_fareware_text_bg" Here is implementation code: <...
3
votes
1answer
138 views

Extract numbers from the head of a string in BASH script

In my current BASH script project I am processing a string, which cannot have spaces. At one point I get to where it is possible to have a series of digits. The series can be of any length, including ...
4
votes
1answer
34 views

Dropdown menu that opens on click using plain Javascript

I made a simple dropdown menu which opens when clicked, and closes when the user clicks anywhere outside the menu. The following is the codebase: ...
-2
votes
0answers
19 views

Modifying to Get-MyBios [on hold]

Trying to remove the begin and end statements to modify the script to Get-MyBios on PowerShell ISE and I don't know where to remove from this code: ...
1
vote
0answers
20 views

Promise-based AJAX calls base class

I am more than willing to use both a Promise library and an AJAX calls one if the situation calls for it. This base class sits at the very bare bones of my system and it needs to be done right. My ...
6
votes
3answers
1k views

LeetCode: Top K Frequent Elements C#

https://leetcode.com/explore/interview/card/top-interview-questions-medium/110/sorting-and-searching/799 Given a non-empty array of integers, return the k most frequent elements. Example 1: ...
1
vote
1answer
62 views

What should I change in my currency converter?

I wrote a simple currency converter in Python. Right now, my currency converter converts using the last available rate or converts using a specific date. Looking for: I'd appreciate any tips ...

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