I'm looking for a more efficient way to increment the already saved value in the database by the value returned to the model from a form submit.
def save(self, *args, **kwargs):
l1 = Model.objects.filter(pk=self.pk).values_list('list_1')
l1n = [l1r[0] for l1r in l1]
self....
I have an array of nested objects. How do I get an object with null values using only a particular key in the array of objects?
let headers = [{
title: 'Arun',
id: 'arunId',
onClick: 'onClickArun'
},
{
title: "George",
id: 'georgeId',
onClick: '',
children: [{...
I've been slowly learning Haskell over the past few months. I made a small module to graph functions using Gloss, and I would like feedback on how idiomatic it is (looking for ways to simplify using standard functions and to make it more pointfree).
Graph.hs
module Graph (graph) where
import G...
Writing an EventLoop in C++. Few requirements, from a user perspective:
Must be simple to use (as simple as the Javascript event loop)
No type casting, no complex registering of event handler. Plain and simple API.
Event handlers have the proper event type passed to them as reference.
Should be...
I have implemented the 3Blue1Brown's description of Fourier transform in Python+numpy for irregular and unsorted data, as described here.
import numpy as np
import matplotlib.pyplot as plt
def polarToRectangular(radii, angles):
return radii * np.exp(1j * angles)
def frequencyGenerator(tim...
I’m studying REACT on official documentation and on the course at Udemy. I want to create an online store, first I made a small template for the site menu. Who can check the code and give feedback so that I could make the menu and the online store better? Thanks.
https://github.com/Quintis1212/r...
Maybe stupid question but i have Brackets with Source Scripts i can run python scripts in console normal but now i try this code:
from tkinter import *
t = Tk()
t.title("Wybierz przycisk")
t.geometry("300x350")
print("Done")
In Brackets i see only "Done" without any window, in IDLE everything...
Hi friends i have this code for select input change, i need some good advice if this code is ok like that or is a way to optimize this code? thanks!
javascript:
$("select[name=sectiuni]").on("change", function () {
if ($(this).val() === 'Solo') {
$('#mini,#copii,#juniori').hide();
...
MWE Repository here
I am not a docker guru or expert in flask or redis. However, I need to leverage these technologies. I managed to cobble something together that works and would like to submit it for review.
The linked repository has three main directories
backend: the task-based flask api
...
I need an encryption algorithm that would be secure enough to store credit card data. So it should be reasonably secure.
Here's what I've come up with. I'd appreciate any constructive criticism.
public class Encryption
{
// Algorithm meta sizes (in bits)
private const int SaltSize = 256...
Problem: Given a vector of strings, I want to print out all possible permutations where the strings may contain an OR operator (the | character, as in regular expressions).
Example Input: the strings race and car|horse
Example Output:
race car
race horse
car race
horse race
This code uses -s...
This is a recreational script made to update my home server w/ the latest season of anime from HorribleSubs. I'd like to know if there are any obvious syntactical and performance improvements, details on my usage of Selenium and BS4 and whether or not this usage is proper.
Windows Setup
Instal...
