All Questions
77,301
questions
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answers
3
views
Error Reporting in WPF app
I want to add an error reporting feature to my WPF app. I have the view for it created I just need to know when to call it. I am used to web development and this is my first WPF app.
'''
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0
votes
1
answer
17
views
Find all combinations of two companies grouped by the projects they are tendering for
I am working on the task to get all possible combinations (pairs) of ID's (companies) which participated in one bid and create a new data frame with ID_1, ID_2, matching parameter (tender ID).
I have ...
- 1
0
votes
0
answers
21
views
A web component for rendering radial pie charts in HTML documents
Intro
In the previous iteration, I was advised to produce a web component. See what I have:
Code
rodde-radial-pie-chart.js:
...
- 27k
0
votes
0
answers
11
views
specify a policy for allowing access to a table through a foreign key
Consider the following two tables in a PostgreSQL database:
...
- 101
1
vote
1
answer
123
views
Iterating the octree while keeping track of the positive neighboring nodes
Review context can be found here: 32x32x32 Units Octree With 15-Bit Voxels: Second Edition
The above question and the self answer include information such as the definition of the ...
- 725
2
votes
1
answer
39
views
minitalk project using Rust | Communication between process using UNIX Signals
I am trying to build minitalk project from 42 school using Rust instead of C. This is a communication program between a client and a server. Both are process. To achieve this I am only allowed to use ...
- 21
0
votes
1
answer
43
views
Verification job with multiple type of batch verifiers
I have a use case where a verification batch job (non-generic) verifies domains based on its input e.g domain_type, batch_pointer etc. The verification handles it based on the domain type which uses ...
- 13
-1
votes
0
answers
41
views
LeetCode: Remove Duplicate Letters [closed]
I'm trying to solve this question: https://leetcode.com/problems/remove-duplicate-letters/description/?envType=daily-question&envId=2023-09-26
which is
Given a string s, remove duplicate letters ...
- 11
4
votes
4
answers
972
views
Yet another shared_ptr implementation for learning purposes
C++ shared_ptr implemented as a coding practice and learning purposes.
It uses std::shared_ptr interface.
Basic tests are included (using single header Catch 2)
Some methods are omitted to keep the ...
- 141
1
vote
0
answers
30
views
Custom React Hook For Using Web Socket
I am aware that there are packages containing custom React hooks for web sockets, but since I am learning React I tried to create my own.
My intention was to create a custom hook that connects to my ...
- 111
1
vote
1
answer
88
views
Business logic verification template
I have a use case of template design pattern with generics as mentioned below.
I have AbstractVerificationHandler that provides template for verification business ...
- 13
0
votes
0
answers
20
views
General setup for ASP.net REST webapi
I am currently building a REST webapi. Right now I am wondering if this design is in the right direction.
Firstly, I am using entity framework. I like to call the items in the database DbItems. The ...
- 49
3
votes
2
answers
139
views
Add offset to all filenames
From all the files in a directory, the method shiftFilenamesOffset is to increment the numeric part (int) of the alphanumeric filename by offset each time, and ...
- 33
1
vote
0
answers
25
views
Rust rocket file upload endpoint
I'm currently learning rust and need a rocket file upload enpoint for a project.
This is what i currently have:
It needs to get the file, convert it and add a entry with the file name and timestamp to ...
- 11
1
vote
1
answer
49
views
Performance of this BCrypt lossless compressor
The following code compresses a 60-byte BCrypt MCF into 40 bytes.
Does anyone see room for performance or other optimizations?
For example, I should replace Guava's ...
- 73
0
votes
0
answers
30
views
How to read key value in JSON output without using index [closed]
Here is a sample JSON output myJSON:
...
0
votes
0
answers
25
views
Testing the cost of boxing in System.Reactive Observables
I was curious whether boxing impacts performance in a long chain of IObservable<T> operators where T is a value type, and ...
- 131
2
votes
0
answers
35
views
Python tic-tac-toe using tkinter
I recently made this tic-tac-toe program using tkinter, but I am quite new to tkinter, so I would be grateful for tips on how to improve the program. (Note that the actual tic-tac-toe logic is being ...
- 571
1
vote
1
answer
41
views
Recursively create a TreeView for file paths using C# and WPF
I'm building a program that allows the user to monitor files on their local system. To display the files, I created a TreeView using ...
- 169
3
votes
1
answer
74
views
Expirable LRU cache
The requirements are:
evict any expired items
find the items with the lowest priority and evict the least recently used one
Any feedback would be appreciated.
...
- 235
0
votes
1
answer
29
views
Mapping Entity Database Table to Model
I am not sure of the correct way to do this.
I want to separate my Entity database model from the model I use throughout my application, as it will have fields in it that I may not want added to the ...
- 101
5
votes
3
answers
414
views
Implementing a --assume-yes/--assume-no command line flag to affect a `input()` based `confirm()` function
I have a Python command line application that needs to ask the user for confirmation at some point. I want to add a --assume-yes/...
- 151
2
votes
2
answers
95
views
Defining hardware components structure
I'm writing firmware for my Arduino project, and I'm struggling with a clean, scalable hardware mapping structure. Initially, I had the following namespace:
...
- 23
1
vote
0
answers
51
views
Find character at given index in a sorted sub strings
For a given string say dbac the possible substrings are [d,db,dba,dbac,b,ba,bac,a,ac] . Sort them and concatenate to a string: ...
- 111
3
votes
2
answers
572
views
Banking System in C++ [V2]
this is the second version of my BankingSystem in C++ for the first one go here: Banking System console app in C++
I did quite a lot of changes since the last version mainly spliting the User class ...
- 177
0
votes
0
answers
25
views
Executing a Method Twice Concurrently for the Same Object
Q1: considering the code below:
Is there something wrong with this approach where the protocol object is shared between peers, and each peer runs the object's run method and keep it running?
Q2:
...
-3
votes
0
answers
20
views
Minimize payment algorithm [closed]
I was solving the following task:
There is a vector of people's ratings. You have to distribute money between people, observing the following conditions:
• Payment is a multiple of 500.
• Min payments ...
- 369
0
votes
2
answers
54
views
Optimize and Simplify Raycasting Code in Unity for Store Clerk Interaction?
I plan to use a raycast for interacting with all things in my games but Im afraid itll be too laggy how can I shorten this code up?
...
2
votes
1
answer
146
views
Rust implementation of fibers
I am still new to rust, so any comment about what is the rust way of doing things is welcome. this is a hand-rolled implementation of fibers or user-land context-switching.
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- 21
-1
votes
0
answers
25
views
Counting unfair semaphore implementation in Java [closed]
I am implementing Java's Counting Semaphore's acquire() and release() methods and using it in a multi-producer-consumer problem.
Semaphore class
...
- 1
8
votes
9
answers
3k
views
Can I lessen the use of boolean flag variables in this snippet?
Below snippet is part of a game application's logic and the Update function is called every frame (about 60 times a second).
...
- 199
0
votes
0
answers
8
views
Creating a matrix or matrices for positioning squares on screen
The following implements a mix of hard-code (manual pick and choose) and abstracted solution for creating and placing some squares on screen using different matrix patterns for positioning. Each ...
- 499
1
vote
1
answer
31
views
Calculating the sum of all k-sized sub-arrays in an array using sliding window algorithm
I need to calculate the sum of all k-sized sub-arrays in an array using sliding window algorithm. Is that a valid sliding window algorithm? If not, why?
...
- 11
0
votes
0
answers
18
views
Converting a nested for-each to use LINQ and JOIN [closed]
I have some for-each loops I am trying to convert to use LINQ with probably a JOIN or maybe ...
2
votes
0
answers
11
views
Recording/Playback thread device in Object Pascal
I have developed an audio recording and playback base device in Free Pascal. This device is built on Free Pascal's TThread class and utilizes the low-level audio ...
- 499
-1
votes
0
answers
24
views
pure C++ Deep Learning Library with dynamic and lazy performed computational graph [closed]
I've started creating a deep learning framework in my spare time this year,you can find it here:
https://github.com/xEricCardozo/deep-learning-library
The code isn't fully documented yet, but it's ...
2
votes
1
answer
115
views
A very basic calculator in C#
I'm trying to learn C#, I made this calculator with my current knowledge. It works as I intended, but I'd appreciate some input on my code.
...
- 21
1
vote
3
answers
118
views
Count the number of triplets from an array with sums divisible by 'd'?
I got this question on my test and I did the only logical thing I could think of, which is run 3 nested loops and count each triplet. I obviously wouldn't pass test cases for large arrays...
How can I ...
- 11
0
votes
0
answers
43
views
Keras Tuner Subclass for Time Series Cross-Validation
Custom Keras Tuner with Time Series Cross-Validation
I have written my own subclass of the default Keras tuner Tune class.
Objective: I needed a way to incorporate ...
- 101
1
vote
0
answers
79
views
Modernized Javascript randomULID() Generator - Smaller and Optimized
I've finally finished these 2 scripts and would like to get some feedback.
Seeking feedback on a modernized ULID (Universally Unique
Lexicographically Sortable Identifier) generator in Javascript.
...
- 155
1
vote
0
answers
35
views
0
votes
1
answer
119
views
Leetcode: 2327. Number of People Aware of a Secret
On day 1, one person discovers a secret.
You are given an integer delay, which means that each person will share the secret with a new person every day, starting from delay days after discovering the ...
- 1
2
votes
2
answers
133
views
Java Tic-Tac-Toe Game Implementation - Seeking Feedback and Best Practices
I have recently developed a Java program for a simple Tic-Tac-Toe game and would like to request a code review to improve its quality and learn from experienced developers. Below is the code for my ...
- 23
3
votes
1
answer
100
views
Highly flexible tic-tac-toe terminal game in python
I have created a two-file tic-tac-toe game, with board.py containing most of the internal workings of the playing board. I intended to have ...
- 141
2
votes
0
answers
62
views
C++ Mock Library: Part 6
Parts
C++ Mock Library: Part 1
C++ Mock Library: Part 2
C++ Mock Library: Part 3
C++ Mock Library: Part 4
C++ Mock Library: Part 5
C++ Mock Library: Part 6
Side Note:
I will say the processes of ...
- 93.9k
4
votes
4
answers
2k
views
Banking System console app in C++
I built a banking system in C++ (still a lot of features to do but (I decided to post it here to see what can I change so I wont make those mistakes in the future).
User header and c++ files
Header
<...
- 177
-1
votes
1
answer
50
views
Probability Library for .NET
I'm looking to create a library for dealing with probability in C#. My current system takes an ordered array of probabilities as an input then generates a random double. It then accumulates each ...
0
votes
0
answers
49
views
A Java program interfacing with Gnuplot for generating triangle wave plots
Intro
I have this repository.
Given this command
...
- 27k
1
vote
0
answers
43
views
C++ Mock Library: Part 5
Parts
C++ Mock Library: Part 1
C++ Mock Library: Part 2
C++ Mock Library: Part 3
C++ Mock Library: Part 4
C++ Mock Library: Part 5
C++ Mock Library: Part 6
Overview
So brief overview:
Part3 was the ...
- 93.9k
0
votes
0
answers
52
views
How can I further optimize this code regarding array operations? [closed]
In the following code I am performing XOR operation on two arrays result and DB, result is accessed after an offset called rotate1 in following. As you can see I am already doing AVX2 and loop ...
