All Questions

Inspired by this blogpost I decided to try and make it possible to have ranges of enum members that dwim, aka. that contain the actual members and not a stringified ...

I'm currently learning C by working on my first project. It's a calculator with a parser that transforms input into an operator tree. These trees consist of nodes of different types: Operators (inner ...

I'm working on a small piece of my personal website. I'd like a timeline logging all of my relevant achievements in my career in Computer Science, in general. I'd like to implement a feature that ...

Can you help me calculate the time complexity of this code which calculates the longest palindrome in a given string? ...

I'm checking if an byte array contains a another Byte Array with this Code: ...

My name is Valentino, I am 14 years old and I have just created an encryption program. I haven't got many people to try it yet and wondered if anyone would try it and give me feedback for further ...

https://leetcode.com/problems/burst-balloons/ Given n balloons, indexed from 0 to n-1, ...

I have a function that takes an object ("token") and three additional parameters of different types ("obj1", "obj2", "obj3"). The object "token" has an 'IsSatisfied' method that may take none, 1, 2, ...

I'm writing my first game and would love some advice on how to get away from all this hardcoding I'm using... Each Character has "abilities" (all individual functions) but I can't seem to figure out ...

I was solving one competitive coding question having integer bounds 2^100. Fortunately, it was a dp question and I didn't need an array of that size. Practically we ...

This is just a simple monitor for shopify products for an array of sites. It involves parsing the /products.json of the site, checking if each product ID is already stored as a key in redis and if it ...

Here is a new version of a segmented and wheel factorized Sieve of Eratosthenes. It currently uses mod 30 wheel factorization to eliminate multiples of 2, 3, and 5 in the sieve data structure to gain ...

The code below was amended to handle more cases 0 probability of success for 0 number of successes 0 probability of success for n number of successes p probability of success for 0 number of ...

Today, I've been trying to solve some exercises with queues and I've bumped into one that uses the Lee Algorithm for pathfinding. After testing it and seeing it ...

Simulate a tic-tac-toe game Requirements A player is picked at random as a first player. The two players plays tic tac toe game. The game ends when the board is full or either one of the player ...

First , let's get a few things out of the way : first_name = input("What's your first name? ") last_name = input("What's your last name? ") This is a single line ...

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I am trying to solve this LeetCode question: Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where each word ...

I just finished this command-line implementation of the Mastermind board game that allows two players to play against each other. I'm fairly new to Ruby, but I think I did a decent job with this. ...

I have a query which gives me below data. item_name, total_purchase_count_per_week, previous_day_purchase_count. For ex, ...

I'm writting this poker hand evaluator and it's really coming along. But, as you can see I repeat myself many times and I would love to know what's your thought process when you're repeating yourself? ...

I have a number of async calls that get chained conditionally based on the previous data dependency. I.e. perform call A -> if the result is defined/not an error execute a side effect, if not perform ...

I have this script to format var_export's result string. The information in the output is good, but I need know if the code performance is good or if it can be improved. https://wtools.io/php-sandbox/...

I'm working on a personal project to get better with C#, and as part of that I have a zip file with 20 or so images saved inside. I want to load those images out of the zip file and display them in my ...

A few days ago I saw a nice video on YouTube with prof Thorsten Altenkirch about recursion and the Tower of Hanoi puzzle. Today I tried to reproduce the code from the video and came to this: ...

I wrote a quick-select filter in C on Wednesday. (The code is below.) It is a filter in the UNIX tradition: It reads from standard input k, the rank of the ...

https://leetcode.com/problems/critical-connections-in-a-network/ Please review for memory and runtime performance. There are n servers numbered from 0 to n-1 connected by undirected server-to-...

First of all, here is an overview of my application. I want to create a multiple-choice app, on android, using data stored on a remote MySQL database. The DB has 100 questions that will appear in ...

Experimenting with operator overloading for the first time. Based on my reading, it appears to be a bit of a minefield. Have I fallen into any traps? ...

Implemented the quick sort algorithm in python, It was just for learning it, now I want to port it to C. Thoughts on the quality of my python implementation? ...

I was successful in solving a challenge in codility, but my solution failed performance tests. How can I improve my solution? Challenge: Integers K, M and a non-empty array A consisting of N ...

This code relies on Python3.7.4 I'm learning Heapsort in python 3. Please show me the errors in my code. Runs on my computer but tell me if Python rules or not. ...

The context I am developing an Angular application who also consumes an external REST API. I am also trying the OpenAPI generator using a TypeScript template. The OK path is the following: call a ...

As a component of some trading software, I wrote function parse_ticks(), as part of an Exchange class that models the Bitcoin ...

I have a class Installment and a method executeTransaction. The field totalBalance ...

I am writing a small program which reads some JSON files, passes the content to an API, then saves the response in some more JSON files. A pretty simple task, and the code works fine, but I have been ...

I'm writing a utility method which pipes given ResponseSpec's body and gives to the caller a change to read it. ...

This function takes in a string and a fixed list of vocab: splits a string into words by spaces for each word, check in the dictionary/vocab and find the longest matching substrings, if none matching ...

My current code implementing a depth-first search works well for puzzle 1. But my code is too slow; I think I use too many loops and I am not sure I am using the right data structure. So I have a ...

I've a function to split text on punctuation and leave the rest of the string (including whitespace in other items of the list): ...

Here's my android splash screen. I am trying to figure out a better way to write it. It just moves the logo up to the center of the screen. It's my third time creating a splash screen for an android ...

I want to be able to list every Transaction associated with a Client in date order. ...

The idea is to init garbage heap in the beginning of main, use gmalloc, gcalloc and ...

Problem Statement Given a hexadecimal string (hascii) and its binary specification (a list of byte field names, their offsets, and byte lengths), design classes to parse all byte-fields, cast bytes ...

Most quicksort examples online use C-style arrays and indexes. I have written below quicksort implementation with STL style iterators. It looks fine to me, but I feel like I may be making more than ...

I have a custom system for data validation; it handles anything from method parameters, return values, objects, etc. The core of this system is IValidationRule and ...

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I have been using similar piece of code since a while. I have read some issues regarding treating mapped memory as a string. I am not sure about that though. So I just use ...

As we know, using PDO and prepared statements, binding a table or column using bindParam is not possible. So for this, I've figured out to use function parameters ...

Recently I was studying about the benefits and uses of std::optional in C++17 (Bartek's Blog) and there I saw a line that said "...