I have implemented Visitor and Decorator Pattern in python. I am much used to java design pattern style and hence thought would try in python as well. Could anyone tell me if this is the correct way to do in Python.
Is there any better way to do this?
I have made coffee class and decorating it...
The challenge is to find the maximum product of a subset of a given array. Here's the problem:
Write a function solution(xs) that takes a list of integers
representing the power output levels of each panel in an array, and
returns the maximum product of some non-empty subset of those numb...
I have this specific scenario where I'm going to get a JSON that could have multiple Objects. From the Multiple Objects I will create a new Json that can have nested arrays growing by n amount depending on some json object values.
I hoping there is a better way to do this. Maybe my example below...
This is the template for my school newspaper that I maintain. It contains bits and pieces from everywhere (we all need to start start somewhere). I am aware that there are probably a lot that I can improve with this file. Right now, it's not pretty, but it works.
There are always two columns, ...
I have the following function which has the required functionality. Is there any way that I can reduce the code but have the same functionality?
addClickEventListeners = () => {
let multipleChoiceQuestionButtons = document.querySelectorAll('[name="multiple_choice"]');
let trueFalseQuestionBu...
I was assigned an university project where I had to parse directed graph files coming from SNAP and then convert them into CSR (Compressed Sparse Row) format. Then the client must have the ability to perform connection queries between any 2 vertices by using Bidirectional BFS.
Here is my impleme...
I wanted to add auditing fields to a model in Django and they would take care of themselves.
The fields would be:
created_by
created_at
modified_by
modified_at
I want to add new columns to existing table rather than a new table with foreign keys.
I achieved it using a middleware and the pre_...
what is proper way to save all lines from text file to objects. I have .txt file something like this
0001Marcus Aurelius 20021122160 21311
0002William Shakespeare 19940822332 11092
0003Albert Camus 20010715180 01232
From this file I know position of each data th...
My code is trying to connect and use 2 different postgresql dbs (postgres and postgres1) on the same computer (localhost) and same php file.
pg_connect is working for the default postgres db - no problem.
How can I use pg_connect to connect to another instance called postgres1 from the same p...
My goal was to create a portfolio site for my motion design work. The website should be modern and intuitive, yet pose a good gallery. Please also comment on the dark mode functionality and responsiveness.
The full website is hosted under timlwsk.bplaced.net (good domain coming soon). The contac...
I've found this explanation on Wiki on how to validate an IBAN.. Since the number generated from the transformation can cause overflow with all data type available in vba I've worked with string and I'd like to have someone else review.. Thanks in advance!
From Wiki:
Check that the total IBAN ...
So, I'm working on a Chess AI, and I wrote the following code to perform minimax and alpha-beta pruning:
minimax(depth, alpha, beta, maximingPlayer, top = true) {
const startTime = Date.now();
let oldCastle;
if (top) {
oldCastle = canCastle;
}
...
I'm trying to get a computed field at my Project model. It should calculate all foreign key data specific field.
At first, I created a model property with a @property decorator, but I need to filter this calculated field easily so it wasn't much help.
I decided to write a model manager my self,...
Should the category, user model be attached to every single relation?
Does my DB design is ok for having multiple stores and multiple products on top of a single company?
Any performance-related issues :) ?
from django.db import models
# Create your models here.
class Product(models.Model)...
Not sure if this is a code review or more of questions on how Spring Boot operates regarding @Service components with many inbound requests. If it is a question I can certainly re-post in StackOverflow, but part of my question is are we even designing this in the correct way? We basically have ...
Consider the following network, can nodes be bordered with colors based on a column in the MisNodes data frame? The forceNetwork function has option to color edges but not node borders.
I will appreciate any suggestion
library (networkD3)
# Load data
data(MisLinks)
data(MisNodes)
# Plot
forc...
I'm a beginner programmer and I came upon this problem which is to find the n(th) number of the fibonacci series...I used to solve the problem using a for loop but today I learned about recursion but there is a problem...when I type 40 or 41(in recursion method) it takes a bit of time to calculat...
So lets say we have a simple class SourceURL that represents a file and is is defined something like this (lets call is Option1),
class SourceURL:
"""Class for a URL of object"""
scheme: str
bucket: str
key: str
def __init__(self, url: str):
scheme, netloc, path, pa...
I am mapping a complex JSON response to two JPA Entity model classes using Jackson.
The classes are CxExport and Mention, Mention has a Many to one relationship with CxExport I.e. Many mentions belong to one CxExport.
The HTTP Response returns a List of mentions
2. The JPA model is a flattened in...
I have the following relationship in EF Core 3.1.1 (Many-To-Many)
public partial class Movie
{
public Movie()
{
Reviews = new HashSet<MovieReview>();
}
public int Id { get; set; }
public string Title { get; set; }
public virtual ICollection<MovieReview> Reviews ...
