avalanchy

$ ipython
Python 3.12.2 (main, Mar  5 2024, 10:30:14) [GCC 13.2.0]
Type 'copyright', 'credits' or 'license' for more information
IPython 8.20.0 -- An enhanced Interactive Python. Type '?' for help.

In [1]: from datetime import datetime, date

In [2]: dt = datetime.now()

In [3]: d = dt.date()

avalanchy

aggregator	type	op before	op after	res before	res after	same res
longSum, doubleSum	regular	0 + 0	0 + null	0	0	TRUE
longSum, doubleSum	regular	0 + 0	null + null	0	null	FALSE
longLast, doubleLast and longLastTimestamp	regular	Pick 0	Pick null	0	null	FALSE
longMax	regular	[0, -1]	[0, -1]	0	0	TRUE
longMax	regular	[0, -1]	[null, -1]	0	-1	FALSE
doubleMean	regular	[0, 1]	[0, 1]	0,5	0,5	TRUE
doubleMean	regular	[0, 1]	[null, 1]	0,5	0,5	TRUE

avalanchy

def product_of_pairs(iterable1, iterable2, item_sorting_key=None):
    """Function that returns cartesian product of two lists. Output is filtered to contain only pairs, where pair
    means item cannot be with itself and AB == BA.
    Example:
        >>> product_of_pairs('ab', 'ab')
        {('a', 'b')}
    """
    return {
        tuple(sorted((item1, item2), key=item_sorting_key))
        for item1 in iterable1

avalanchy

import functools


def cast_to(cast_func):
    """Cast function's output to a specified type.

    Example:
        >>> @cast_to(list)
        ... def foo():
        ...     yield 123

avalanchy

import json


def schema(obj, parent="obj"):
    if isinstance(obj, list):
        if obj:
            last = len(obj) - 1
            schema(obj[last], f'{parent}[{last}]')
        else:
            print(f"{parent}[]")

avalanchy

from types import GeneratorType

import six


def chunk_dict(dict_, size):
    chunk = {}
    for i, (key, val) in enumerate(six.iteritems(dict_), start=1):
        chunk[key] = val
        if i % size == 0:

avalanchy

let amount = parseFloat(document.querySelector(".amount").innerText.replace(" ", "").replace(",", "."))
let payments = document.querySelectorAll(".sp-payment-amount");

let paymentSum = 0;
for (let payment of payments) {
  const paymentFloat = parseFloat(payment.innerText);
  if (isNaN(paymentFloat))
    continue;
  paymentSum += paymentFloat;
}

avalanchy

import pathlib
import re


def factories_lookup(base_dir):
    """Yields all model factories in a way expected by shell_plus command.

    Returned generator is evaluated only when running shell_plus. Evaluation
    itself on my machine takes ± 3.63 ms.

avalanchy

from rest_framework import relations
from rest_framework.serializers import ModelSerializer


class ObjectOutPkInField(relations.RelatedField):
    """Field serializer wrapper which as normal returns related object
    but as the input accepts object's PK (primary key).

    Example usage:
    >>> class TypicalModelSerializer(ModelSerializer):

avalanchy

from django.core.management.commands import makemigrations


class Command(makemigrations.Command):

    def handle(self, *args, **options):
        self.stdout.write(self.style.HTTP_NOT_FOUND(
            'This is the overridden command that always creates a migration '
            'with the name "m", by which we can catch conflicts at the level '
            'of the Pull Request.'