I'm completing portions of the HTDP book and ran into an unusual issue. I was trying to write test cases for one of the exercises but the test function, written in proper syntax, never fully ran. So I decided to read the documentation for the function and after attempting to perform the exact cop...

I am using dropzone and XLSX to load excel documents and then convert them into json. The goal is to upload as many documents as possible and it will create an object with a key of the file name and then the value as the data. The problem I notice is that reader.onload is not available immediatel...

I have put together this f# code in an attempt to solve the following problem Given a mapping operation that may not be able to return a value Cease mapping over the remaining items of a sequence if the mapping operation fails Append the error to items already mapped and return early This canno...

I have the code below, which works successfully, and is used to parse, clean log files (very large in size) and output into smaller sized files (output filename is the first 2 characters of each line). This would take about 12-14 mins to process 1 GB worth of logs (on my laptop). Can this be made...

Below is a constexpr circular queue whose size is fixed. From what I tested the code seems to work exactly as expected of a queue. One advantage is how there's no dynamic allocations, so ignoring the hopefully low chance that there are errors in the logic, are there any suggestions to improve thi...

I am reading one book about networking(I just started) with python and there was such code: import sys, socket try: rfc_number = int(sys.argv[1]) except (IndexError, ValueError): print('Must supply an RFC number as first argument') sys.exit(2) host = "www.ietf.org" port = 80 socket = ...

I often copy things from my terminal to other places (like Discord), and to make my workflow even easier I decided to use the IPython API to make an extension that has two magic functions pickle and clip. clip can copy the contents of a line (or cell). It can copy both, the input line or the outp...

I've started learning Lisp one more time (I seem to do this every couple years); my experience is with C, basically. My answer to Project Euler problem 1 (sum multiples of 3 and 5 below 1000) is below. Please suggest improvements, style changes, indentation, commenting, naming of "objects", ... (...

0 Example 1 Input 9 abacsddaa 2 9 3 Output 3 1 Explanation Here Q = 2 For P=9, character at 9th location is 'a'. Number of occurrences of 'a' before P i.e., 9 is three. Similarly for P=3, 3rd character is 'a'. Number of occurrences of 'a' before P. i.e., 3 is one. My answer is #include<stdio.h> #...

ONLY EVENT can't run. I use Eclipse_Luna_SR2_win32. I want your answer before tommorrow. Please help sad Student. private class MyListener implements ActionListener { public void actionPerformed(ActionEvent e) { if( e.getSource() == next ) { count++; switch(cou...

Just would like to ask if these custom web API naming follow best practice? Below are some of the web api methods I have created for my pet project using ASP.NET .NET Framework 4.7. I understand that the standard CRUD naming convention especially when I use the scaffolding option. For example, th...

I created a function that takes a dictionary as parameter. This dictionary is expected to have lists as value pair. (i.e. {1: [1, 2, 3], 'a': [4, 'b', 5, 'c']} ) This function has to return the key associated to the biggest list in the dictionary, or None if the dictionary is empty. (considering ...

I would like some advice on efficiency and ways to further remove redundant code. Regex Text File Search: enter a valid directory path, and a string to search for makes a list containing all the matched paths, and a dictionary with the matches of the matched paths get a list of all the text fi...

I've been trying to build an ORM, I started with the connector layer so far which is supposed to be responsible for database server connections and execute raw SQL as the code below elaborates. I have built the _dbconnect decorator to separate database connection procedures from the CRUD function...

What are some ideas or ways that I can increase the efficiency of this gravity script because it is way to depending for what i want it for. The game has a target at the center and there are objects far away all around the target and when gravity script is enabled I create an overlap sphere check...

I am building an Android quiz app. I want to display a progress bar showing how many questions a user has answered correctly and how many they have left. Questions are split by difficulty level; easy, medium and hard. All my questions are stored in an SQLite database. The questions table is made ...

I've implemented Many-To-Many relationship and wonder if this is the optimal way for it. Since I do not have extensive EF Core experience I would love if someone with more experience could check it out. Scenario: Many users Many organizations User can belong to multiple organizations Organizatio...

Can anyone suggest me something to optimize the following code in R? Although it is unnoticeable for a single execution but I have to repeat it for about 10,000 to 100,000 times and it works very slow. alpha <- 1 beta <- 0.5 yp <- 50 yc <- 60 dt <- seq(0,H,1) # Time sequence H <- 365 # Plannin...

so we had an argument whether this question is on topic: RESTful movie shop I see this question as off-topic although it seems to satisfy most rules. There's code. It works. It's real... But the questions asked by OP does not seem to look for a code review. He asks if its ok to use verbs in RESTf...

I want to create a very big gigantic PNG image. The image pixel are generated randomly, being How can I improve the below code to create a fast random pixel image in java? import java.io.File; import java.io.IOException; import java.awt.image.BufferedImage; import javax.imageio.ImageIO; publi...

I am wondering, how can I improve this simple MissingResource exception class? I am using it in my simple game. template <typename Resource> class MissingResource : public std::exception { std::string_view fileName{}; std::string_view msg{}; public: MissingResource() = default; ...

My answer to Project Euler problem 3 (largest prime factor of 600851475143) is below. Please suggest improvements, style changes, indentation, commenting, naming of "objects", ... (defun factors (n) "return a list with prime factors of n" (let ((result)) (loop while (zerop (rem n ...

this is my first post, I’m following this site for quite a while tho and found already a few times helpful solutions. I can’t find the right answer this time, maybe you can help me to figure out how I can set a boolean in an array with multiple objects without changing the booleans in the other o...

I'm posting my C++ code for LeetCode's Expressive Words. If you have time and would like to review, please do so. Thank you! Sometimes people repeat letters to represent extra feeling, such as "hello" -> "heeellooo", "hi" -> "hiiii". In these strings like "heeellooo", we have groups of adjacent...

I'm trying to create same AppBar as it is on iOS contact form using slive in flutter Expanded Collapsed Here is reproducible code where I get so far Main screen class CompanyScreen extends StatefulWidget { @override _CompanyScreenState createState() => _CompanyScreenState(); } class _Compa...

Here's what I trying to do: Given a paginated API, get all the resources using parallel requests. The API returns a limited number of resources per call. So, you need to use an offset parameter to get to the next set of data until all data is extracted. Here's my idea (but getting some warning be...

With C#7+ and ValueTuple type, is it considered good practice to implement .Equals() and .GetHashCode() like this: public class Box : IEquatable<Box> { public int Length { get; set; } public int Width { get; set; } public int Height { get; set; } public bool Equals([AllowNull] ...

I recently have been ̶w̶a̶s̶t̶i̶n̶g̶ spending my time on making a web scraper specifically designed for FanFictions from fanfiction.net (Okay, I'll admit, I like reading them in my spare time that I should spend with coding) I wrote it so I could read FanFictions offline. (For a Raspberry Pi E-...

I am building a social network with PHP, HTML and CSS and a bit of JS. I want to know how secure my login and register code is. Register html: <input id="uname" type="text" onblur="this.value=removeSpaces(this.value);" name="username" required placeholder="Username..."><p/> <br> <...

import random # Variables, lists, tuples, and dictionaries. nucleotides = ("A", "C", "G", "T") rev_compliment = {'A': 'T', 'T': 'A', 'G': 'C', 'C': 'G'} seq = "" description = "" frames = [] proteins = [] RNA_codon_table = {"UUU": "F", "CUU": "L", "AUU": "I", "GUU": "V", "UUC": "F", "CUC": "L"...

Ive made a very simple tile editor. I would like for someone to review my code and tell me what i could improve on. https://github.com/MonkeyToiletLadder/tile/tree/master/game