Now that Django supports the DateRangeField, is there a ‘Pythonic’ way to prevent records from having overlapping date ranges? Hypothetical use case One hypothetical use case would be a booking system, where you don’t want people to book the same resource at the same time. Hypothetical examp…
How do you read in a dataframe with lists using pd.read_clipboard?
Here’s some data from another question: What I would do first is to add quotes across all words, and then: Is there a smarter way to do this? Answer Lists of strings For basic structures you can use yaml without having to add quotes: Lists of numeric data Under certain conditions, you can read your list…
How to check if a string is a palindrome?
I have a code to check whether a word is palindrome or not: If a word is inputted, for example : rotor , I want the program to check whether this word is palindrome and give output as “The given word is a palindrome”. But I’m facing problem that, the program checks first r and r and prints &…
Argparse in iPython notebook: unrecognized arguments: -f
I am trying to pass a .py file to ipython notebook environment. I have never had to deal directly with argparse before. How do I rewrite the main() function? I tried to delete the line of def main(): and keep the rest of the code. But args = parser.parse_args()” returned an error: ipykernel_launcher.py:…
How to validate structure (or schema) of dictionary in Python?
I have a dictionary with config info: I want to check if the dictionary follows the structure I need. I’m looking for something like this: Is there any solution done to this problem or any library that could make implementing check_structure more easy? Answer Without using libraries, you could also defi…
Python Indentation with For, While and Try
I’ve written a small program to simulate a paper, scissor, rock game. I’m using a for-loop to control the round-of-3 behaviour and am using while and try to control user input. I don’t believe python is running the code within the game evaluation logic, but I’m not too sure why. I thin…
How to repeat each of a Python list’s elements n times with itertools only?
I have a list with numbers: numbers = [1, 2, 3, 4]. I would like to have a list where they repeat n times like so (for n = 3): [1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4]. The problem is that I would like to only use itertools for this, since I am very constrained
Preferred way of resetting a class in Python
Based on this post on CodeReview. I have a class Foo in Python (3), which of course includes a __init__() method. This class fires a couple of prompts and does its thing. Say I want to be able to reset Foo so I can start the procedure all over again. What would be the preferred implementation? Calling the __i…
Calculating monthly mean from daily netcdf file in python
Hello I have a netcdf file with daily data. Shape of the file is (5844, 89, 89) i.e 16 years data. I tried to get monthly average from daily data. I am looking for simillar to resample function in pandas dataframe. Is there anyways to do that in python. As I know it is very easy to calculate by using
Run Multiple Instances of ChromeDriver
Using selenium and python I have several tests that need to run in parallel. To avoid using the same browser I added the parameter of using a specific profile directory and user data (see below). The problem is that I cannot run them simultaneously, one test needs to wait for the other to finish. Otherwise I …