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.
7,493
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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 (Am I using any outdated practices or functions?)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 ...
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0
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React calculator..!
I'm a beginner programmer and I need your help, please.
I built a simple calculator using React and I have doubts about my calculation functionality.
So the idea is to let the user type all the ...
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8
answers
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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).
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2
votes
1
answer
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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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1
answer
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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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votes
2
answers
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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 ...
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1
answer
55
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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. ...
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votes
1
answer
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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 ...
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votes
1
answer
48
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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 ...
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vote
0
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43
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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 ...
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1
answer
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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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2
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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
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1
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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
79
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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 ...
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votes
2
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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 ...
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votes
1
answer
96
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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" ...
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votes
1
answer
65
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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.
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2
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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
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1
answer
79
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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 ...
- 2,954
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1
answer
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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 ...
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3
answers
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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 ...
- 2,954
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votes
2
answers
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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 ...
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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 ...
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votes
1
answer
46
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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 ...
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0
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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 ...
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145
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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
28
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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 ...
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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.
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vote
1
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69
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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
94
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 \$...
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4
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199
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?
...
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votes
1
answer
119
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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
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votes
2
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270
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Disprove Euler's sum-of-powers conjecture
Problem statement: In 1769 Leonhard Euler formulated a generalized version of Fermat's Last Theorem, conjecturing that at least \$n\$ \$\text{n}_{\text{th}}\$ powers are needed to obtain a sum that is ...
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votes
1
answer
92
views
Simulate Monty Hall
Problem statement: A contestant is presented with three doors. Behind one door is a valuable prize, behind the other two are gag gifts. After the contestant chooses a door, the host opens up one of ...
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votes
2
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Convert 9-digit integers to ISBNs
Problem statement: The International Standard Book Number (ISBN) is a 10 digit code that uniquely specifies a book. The rightmost digit is a checksum digit which can be uniquely determined from the ...
- 307
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votes
3
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141
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Find Ramanujan-Hardy numbers smaller than N
Problem statement: Write a program that takes a command-line argument n and prints all integers less than n that can be ...
- 307
2
votes
1
answer
86
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Password recognition with cryptography
Since I only just learnt about this, I wanted some advice on better practices I can use when it comes to cryptography. Still learning python and hoping I can get this 'hashing' and 'salting' thing in ...
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1
answer
117
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Convert decimal to base K
Problem statement: Write a program that takes two command-line arguments number and k. The program should convert ...
- 307
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votes
1
answer
86
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Pomodoro Work Timer with GUI
My first actual code using GUI. Based off a class I took. Code criticism much appreciated. (I was all over the place with this one)
Resources
Picture:
Sound: https://www.freesoundslibrary.com/success-...
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vote
0
answers
46
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Memory game code quality
I am making an incremental-memory-game similar to this https://www.crazygames.com/game/incremental-memory
I am not very satisfied of how spaghetti this code is. I am trying to learn to improve my code ...
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3
votes
1
answer
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Follow-up Q: Protein databank file chain, segment and residue number modifier
I asked a question yesterday (Protein databank file chain, segment and residue number modifier) and received a very informative answer by J_H whose feedback I have taken onboard. Some of the feedback ...
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1
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101
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Protein databank file chain, segment and residue number modifier
My first non-trivial bash script after fully moving to Linux Mint last week is attached (modify_cccp_bundles.in). The script ...
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0
votes
1
answer
87
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MakeFile for C++ small project
I decided to implement a Makefile for a personal project I'm working on (I've never created Makefile before) but I need to learn for an upcoming work assignment. The Makefile it's supposed to build ...
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votes
2
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Write a method which computes the first twenty Fibonacci numbers
It's a task from a C#-course I'm currently taking.
The task is to write a method, which returns the first twenty Fibonacci-numbers.
I have done it the following way.
...
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0
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102
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Gacha Nox Webgame Bot
So there is this gachanox. You can play Gacha Nox in full screen.
I wrote a python script which "plays" the game on the website by clicking the arrow keys.
I would like to know what can be ...
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Is there a more concise way to write this query in SQL Server?
I'm playing with data from a Time Use survey as a beginner SQL user.
Gender is represented as 1's (Male) and 2's (Female), and the age of each participant is listed. I would like to divide them into ...
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3
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431
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Python, loop trought in txt and print future login data
I would like my program to check what account I am currently logged in to (it works, I entered it (login4) in a variable for testing)
and when it reaches the end of txt I want it to go back to the ...
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1
vote
1
answer
138
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Python 3 script that draws animals using basic functions
I'm new to Python and only started learning a couple months ago. I get that this is a really unsophisticated code and I'm a newbie, but are there any blatant issues with it that I can improve upon? I ...
1
vote
1
answer
55
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Revised C Doubly-Linked List
I have revised the implementation I originally posted here. Thank you all who responded; I took your comments to heart. Please let me know if you have any additional feedback.
Here are some notes to ...
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Automate the boring stuff with python - Character picture grid
Character Picture Grid
Say you have a list of lists where each value in the inner lists is a one-character string, like this:
...
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