Questions tagged [beginner]
Add this tag to your question to indicate that you are new to the language of your code. This will often be taken into consideration by reviewers when assessing your code.
7,492
questions
-3
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answers
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Printing more than one string variable with print in python [closed]
I am new to python and I having a hard time with a simple print of two strings. I am following some examples and I don't understand why it is giving me an error
...
1
vote
1
answer
51
views
Simple text file encryption and decryption
Short introduction; recently I've completed a basic course on C but other than that I have no programming experience and I am a total beginner.
As a practice project and to practice reading from and ...
- 13
1
vote
0
answers
56
views
Simple Tic-tac-toe in Python
I am a beginner programmer who coded a simple Tic-tac-toe in Python for practice. Any feedback, especially regarding best practices and tidying up the code, is appreciated.
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4
votes
3
answers
546
views
char* to integer implementation (atoi with saturation to INT_MIN or INT_MAX on overflow)
I am learning C. As a task, I need to write a get_int function that will convert a char* to ...
- 51
2
votes
0
answers
29
views
Assign unique identifiers to binary matrices using a binary tree
Context
I want to build a transposition table where the game states are binary square matrices which size MATRIX_SIZE is known at compile time. Rather than storing ...
- 155
3
votes
0
answers
86
views
Mandelbrot Set image generator in Rust
I'm learning Rust, and as-is tradition, I'm starting out with a Mandelbrot Set explorer as my first project (although, it just produces images so far). When run, it just creates and writes an image to ...
- 16.2k
3
votes
1
answer
54
views
Hashing a fixed size binary stream with a tree structure in Rust
For a research project, I want to assign a unique identifier to a stream of bits. I can assume that all the streams will always have the same size.
Because of this nice property, my idea has been to ...
- 155
1
vote
1
answer
52
views
Extending die roll simulations for complex data science tasks
I've developed a Python script that simulates die rolls and analyses the results. I'm now looking to extend and modify this code for more complex data science tasks and simulations.
Is this code ...
- 101
2
votes
1
answer
90
views
Codeforces: Dasha & Nightmares
so I got started with competitive programming about a day ago and I got stuck on the first random question I tried on codeforces. It's called Dasha and Nightmares.
Problem Description:
The problem ...
- 73
2
votes
1
answer
274
views
Printing the elements of a forward linked list
I'm a sophomore in computer science who's working on a linked list class for his DSA class. I believe this code can be improved, but I'm not sure how because everything got really messy really fast. ...
- 23
0
votes
0
answers
180
views
Value at Risk forecast generator
I am developing a code to compute Value at Risk (VaR) using various models (see below). Currently, I am looking to implement a rolling window approach over a dataset spanning 4,000 days, with each ...
- 1
1
vote
1
answer
180
views
Python3 currency abstract class (without the permission to be instantiated directly)
I'm a newbie python developer who accidentally studied the concept of
Abstract classes
and I found it pretty much helpful to implement due to the SOLID principles.
At the very moment of testing and ...
- 167
4
votes
2
answers
2k
views
Linked list and array list performance comparison in C
After watching Stroustrup's presentation on performance comparison between vectors and linked lists (https://youtu.be/YQs6IC-vgmo?si=9r5wXqnwkmN29xqn), I've decided it would be a good problem to get a ...
- 93
2
votes
1
answer
51
views
"2048" game in JavaFX
I wrote my first code in Java and I need constructive criticism and code review.
This is an implementation of the well-known "2048" sliding-blocks game.
...
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9
votes
3
answers
3k
views
Recreating Minesweeper
First, I have to say that this game lacks 5 features that I don't care:
Flags
Chording
Timer
Actual mouse movement
Good graphics
When starting the program, the player is meeted with a "Choose ...
- 91
6
votes
1
answer
134
views
Exponentiation in Scratch
This was back when I was new to coding on Scratch (as in the case of coding projects entirely from scratch) around 7-8 months ago with my Cookie Clicker in Scratch project that I made pretty much ...
- 183
0
votes
0
answers
43
views
Trying to learn C++20 composable code with CRTP mixins as implementations of interfaces that are checked with concepts
I am trying to teach myself some composability using CRTP and concepts.
I came up with this simple example and wondered, what I could/should do better there
or, if it is a reasonable starting point?
...
- 1
1
vote
0
answers
103
views
Simple Table With Collaborative Editing
The following is my React code to create a simple app containing a table which can be edited by multiple people at the same time. Each client connects to a WebSocket via a custom hook. The WebSocket ...
- 11
2
votes
0
answers
29
views
Efficient code to move a node under another while keeping all HierarchyId's as integers and sequential
I'm playing around with an app that will need to read Hierarchy trees quickly but will seldom modify them once created. I've chosen to use HierarchyIds with Entity Framework to model the hierarchy. I ...
- 21
4
votes
2
answers
238
views
Time Format Conversion Utility
The code defines a Python script for converting time between 12-hour and 24-hour formats.
Review Goals:
Is the code idiomatic? (Am I using any outdated practices or functions?)
Is there a simpler way ...
- 2,302
8
votes
8
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
2
votes
1
answer
203
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.
...
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2
votes
1
answer
88
views
Project Euler Problem 1: Multiples of 3 or 5
The following is my solution to Project Euler Problem 1: Multiples of 3 or 5.
...
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9
votes
2
answers
115
views
Hangman game in C
I am a beginner who wrote this simple Hangman game in C for fun and to practice programming. I am looking for advice on optimizing this code and making it adhere to best practices. Are there too many ...
- 103
2
votes
1
answer
63
views
Reorganice (and style) form's output in HTML using JQuery: how to do it better?
To clarify: The code in "What I achieved" is working. I'm looking for suggestions so I can improve.
I'm quite new with JQuery (and javascript) and I've been learning while styling a forum. ...
- 21
4
votes
1
answer
131
views
Cellular Automata Python Class
I've been working on creating a simple Class for a Cellular Automata. It generates a grid of NxM dimensions populated by Cell objects - Pretty straightforward class to save the state of the cell-. It ...
- 65
2
votes
1
answer
50
views
Finance Manager with Embedded Database
I made an CRUD application in Java with JavaFX, H2 Embedded Database and Maven. Can you review my code quickly? Is it well written? What should I improve on it? I don't know if my code is written ...
- 21
2
votes
0
answers
66
views
Javascript basic search engine recipes
I have made a search engine for recipes. Requirements for this JS Project are as follow:
Create a function called searchRecipes that takes all recipes and an ...
- 21
2
votes
1
answer
60
views
K&R excercise 1-21 Write a program entab that replaces strings of blanks by the minimum number of tabs and blanks to achieve the same spacing
Exercise 1-21. Write a program entab that replaces strings of blanks
by the minimum number of tabs and blanks to achieve the same spacing.
Use the same tab stops as for detab. When either a tab or a ...
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6
votes
2
answers
1k
views
Another pig latinize rust implementation
Yes, I know this exercise has been posted before, but I'm posting it again because I want feedback on why certain parts of my code aren't idiomatic. I'm new to rust, and my code works, but as I said, ...
- 958
2
votes
1
answer
100
views
SystemVerilog implementation of an N-bit prefix adder logic design
I want some feedback about my code (anything is welcome). It is working, but it feels like a clumsy implementation. Because I am self-learning from a book without an answers section, it becomes ...
3
votes
1
answer
84
views
Simulate M random walkers N times and visualize relationship between walker number and grid size
Problem statement: Suppose that n random walkers, starting in the center of an n-by-n grid, move one step at a time, choosing to go left, right, up, or down with equal probability at each step. Write ...
- 307
4
votes
2
answers
609
views
Rust Elo rating
I have just started learning Rust and wanted some feedback on a simple program for calculating Elo ratings.
All of the following code was in a single file, but I imagine that this is the part that ...
- 43
4
votes
1
answer
108
views
Packet generation and consumption
I have the following simplification of a program which consists of 2 threads. One thread pushes packets to the back of a deque while another waits for user input before performing a "heavy" ...
- 379
2
votes
1
answer
85
views
Count the Streaks in a coin flip and display the number of Head vs Tail Streaks
Like title says programs shows you the number of streaks and how many of each. Is there anyway to break this down. Feels like it's too many variables.
...
- 31
1
vote
2
answers
240
views
Multi-Client Socket Communication with Thread Pool in C++
I've been working on implementing a multi-client socket communication system with a thread pool in C++. The system comprises three main components: logger.h, socket.h, and thread.h, which handle ...
user274839
1
vote
1
answer
121
views
C++ arbitrary base convertor
This is my second C++ program. Again, I wrote it all by myself. I only started learning C++ yesterday.
The concept of the program is simple; it should read input from ...
- 3,014
2
votes
1
answer
66
views
It acts as a booking system allowing user to create an account, create bookings and cancel bookings
As the title says, it manages to create accounts, create bookings and cancel them. I am relatively new to coding, so i was wondering how did i do? What are some improvements that i could do? Any ...
- 21
8
votes
3
answers
2k
views
Sieve of Eratosthenes in C++ with wheel factorization
I have written a completely working C++ program for the first time, and I have managed to compile it. I have decided to learn C++ and I have written a C++ program to familiarize myself with C++, this ...
- 3,014
3
votes
2
answers
89
views
Functions to simplify printing strings and numbers in amd64 Assembly
I'm new to Assembly, and this is my very first "project" in Assembly. I wanted to store data (numbers) on the stack, then access and display them. Eventually, this "experiment" of ...
- 31
8
votes
2
answers
1k
views
Number guessing game for x86
I'm new to assembly and I've just finished this guessing game that I wanted to make to improve my skills in this language. It runs in a Unix environment and does the following:
generates a random ...
- 83
3
votes
1
answer
57
views
JavaScript front-end 'Library App' implementation from the Odin project
I am currently working through the Javascript portion of the Odin Project curriculum and have completed the library app project.
As far as I can see everything is working as expected and I have ...
- 33
0
votes
0
answers
48
views
Forecast the turnover with a prophet model in R
I am a student who is interested in data analytics and currently figuring out how to write forecast models for several scenarios in R. I'm working on a fictitious project in which I want to forecast ...
- 11
3
votes
0
answers
170
views
A vehicle database in Excel
I'm looking for some help. I'm new to coding and have started creating this Vehicle database program in Excel for a friend to use.
He is wanting to be able to see all vehicles he owns, when ...
0
votes
1
answer
35
views
Re-write of PDF invoices from user input, decoupling of Invoice from FPDF class
Following on from this post and taking on board some of the suggestions, what follows is a re-write of the original python code. It's also just a rewrite of some of the functionality, this code only ...
- 91
1
vote
2
answers
92
views
This is a product manager that add products, sorts, lists and makes the list searchable
I have finished with my product but I am not that trained in refactoring, cleaning up my code and spot redundancy so I would really appreciate some help.
...
1
vote
1
answer
73
views
CS50 Week 2: Converting vowels to numbers and outputting new string
Problem: User inputs a word or phrase as command-line argument and a new word is printed with some vowels replaced by numbers.
Question: How do I improve my code design and style? Is it possible to ...
1
vote
1
answer
96
views
Print Hadamard matrix of order N
Problem statement: The \$n\$-by-\$n\$ Hadamard matrix \$H(n)\$ is a boolean matrix with the remarkable property that any two rows differ in exactly \$\frac{\text{n}}{\text{2}}\$ bits. \$H(1)\$ is a \$...
- 307
5
votes
4
answers
224
views
Pairs of elements whose sum is even
In an array of integers find all the pairs of elements whose sum is even and form a new array consisting of these sums.
Could you tell me whether my code is ok or not?
...
- 163
2
votes
1
answer
122
views
Simulate number of children until parents have at least one of either sex
Problem statement: A couple beginning a family decides to keep having children until they have at least one of either sex. Estimate the average number of children they will have via simulation. Also ...
- 307