I have these models: I want to add certain restrictions but I have difficulties with those models, since I hardly even see the need to add restrictions to related fields: How to avoid having “ClientInfo” entries if a “Client” has not created a relationship with it? How to prevent a …
Python file data position
The problem I am facing is that I need to find the position of a string Code: file = open(‘data.txt’, ‘r’) print file.read data.txt contains “banana”, “mango”, “apple”, “pear”, “dragon fruit” For example how do I find the posi…
Pandas `hash_pandas_object` not producing duplicate hash values for duplicate entires
I have two dataframes, df1 and df2, and I know that df2 is a subset of df1. What I am trying to do is find the set difference between df1 and df2, such that df1 has only entries that are different from those in df2. To accomplish this, I first used pandas.util.hash_pandas_object on each of the dataframes, and…
How to change color for only one bar using pyplot?
Currently the color of the bar are the same. How can I change the color of the bar with the highest value? Answer Try: Output:
Use List Comprehension to get the top n items
I tried: but that won’t work because sort() doesn’t return the sorted list Answer .sort() sorts the list in-place list.sort() sorts the list in-place, mutating the list indices, and returns None (like all in-place operations) so you’d have to do this: Output: The difference between .sort() a…
I need to add specific rows in pandas DataFrame, at specific position
I’m currently working on a project and I need to add specific rows whenever the tagged sentence ends. Whenever the ‘N’ column equals 1 it means that a new sentence started. I want to add two rows for each sentence: a row with ‘Pos’= START at the beginning of the sentence, and a r…
Explain the logic of ‘Count of N-digit numbers with absolute difference of adjacent digits not exceeding K’ in Detail
Can someone please help me understand the logic of following Dynamic Programmming question Found this one at geeksforgeeks.com. I am unable to understand even after going through the answer provided. Question: Count of N-digit numbers with absolute difference of adjacent digits not exceeding K | Set 2 Given t…
Python 3.8: Escape non-ascii characters as unicode
I have input and output text files which can contain non-ascii characters. Sometimes I need to escape them and sometimes I need to write the non-ascii characters. Basically if I get “Bürgerhaus” I need to output “Bu00FCrgerhaus”. If I get “Bu00FCrgerhaus” I need to output &…
Is there a way to display a seaborn plot without using the python console? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 1 y…
pip has problems with metadata
I’m trying to install the win32core module using pip, but it keeps displaying warnings about the package/wheel metadata not matching with the filename (inconsistent version). Here’s a snippet of the text displayed in the command prompt before it goes to download older versions: As I’ve encou…