How to create lists from pandas columns Question: I have created a pandas dataframe using this code: import numpy as np import pandas as pd ds = {‘col1’: [1,2,3,3,3,6,7,8,9,10]} df = pd.DataFrame(data=ds) The dataframe looks like this: print(df) col1 0 1 1 2 2 3 3 3 4 3 5 6 6 7 7 8 …
Python: initiated Logger with dataclass field param Question: This is my Logger class: import logging import os import datetime class Logger: _logger = None def __new__(cls, user: str, *args, **kwargs): if cls._logger is None: cls._logger = super().__new__(cls, *args, **kwargs) cls._logger = logging.getLogger("crumbs") cls._logger.setLevel(logging.DEBUG) formatter = logging.Formatter(‘[%(asctime)s] [%(levelname)s] [%(filename)s] [%(funcName)s] [%(lineno)d]: %(message)s’) now = datetime.datetime.now() directory_name …
Displaying indicators below the average in the list Question: I am newbie in python My program should output less than average weight, but for some reason nothing happens def minavg(): print("n" * 5) print(" List of passengers with baggage weight below average:") data = [] from tabulate import tabulate with open(‘list.txt’,’r’, encoding="utf-8") as f: total …
How to rename the first level keys of struct with PySpark in Azure Databricks? Question: I would like to rename the keys of the first level objects inside my payload. from pyspark.sql.functions import * ds = {‘Fruits’: {‘apple’: {‘color’: ‘red’},’mango’: {‘color’: ‘green’}}, ‘Vegetables’: None} df = spark.read.json(sc.parallelize([ds])) df.printSchema() """ root |– Fruits: struct (nullable = …
How to not duplicate elements when entering array in csv Question: I have a piece of code used to enter student information. But I want to transform it so that Admission no. cannot be repeated, when entering an existing number, a message will be printed if you want to re-enter an existing number. below is …
React on form changes Question: I have a general question to the django-admin. Is it possible to react on form changes? I have a select field in my django-admin detail site. Whenever I change the data from the select field, I want to change fields which are read-only. Has anybody ever dealt with this issue? …
Pandas: join DataFrames on field with different names? Question: According to this documentation I can only make a join between fields having the same name. Do you know if it’s possible to join two DataFrames on a field having different names? The equivalent in SQL would be: SELECT * FROM df1 LEFT OUTER JOIN df2 …
How to remove a field from the parent Form in a subclass? Question: class LoginForm(forms.Form): nickname = forms.CharField(max_length=100) username = forms.CharField(max_length=100) password = forms.CharField(widget=forms.PasswordInput) class LoginFormWithoutNickname(LoginForm): # i don’t want the field nickname here nickname = None #?? Is there a way to achieve this? Note: i don’t have a ModelForm, so the Meta class …
Django empty field fallback Question: I have a model that holds user address. This model has to have first_name and last_name fields since one would like to set address to a recipient (like his company, etc.). What I’m trying to achieve is: If the first_name/last_name field in the address is filled – return simply that …
How to add custom fields to InlineFormsets? Question: I’m trying to add custom fields to an InlineFormset using the following code, but the fields won’t show up in the Django Admin. Is the InlineFormset too locked down to allow this? My print “ding” test fires as expected, I can print out the form.fields and see …
