I am currently using openpyxl v2.2.2 for Python 2.7 and i wanted to set colors to cells. I have used the following imports and the following is the code I tried using: but I get the following error: Any idea on how to set cell A1 (or any other cells) with colors using openpyxl? Answer I believe the issue is
Tag: python
Print 5 items in a row on separate lines for a list?
I have a list of unknown number of items, let’s say 26. let’s say How to print like this: ? Thank you very much. Attempt: Answer It needs to invoke for-loop and join functions can solve it. Demo:
Python – Brute force generator
I’ve made a brute force password cracker which works, but I also made a string combining generator which would be better as the brute force string generator; however I can’t figure out how to combine the two. Brute force code: Character generator code: I would like to replace the “Generating…
When are create and update called in djangorestframework serializer?
I’m currently implementing djangorestframework for my app RESTful API. After playing around with it, I still do not clearly understand what .create(self, validated_data) and .update(self, validated_data) used for in the serializer. As I understand, CRUD only calls the 4 main methods in viewsets.ModelVie…
Is it possible to index nested lists using tuples in python?
I just started with python and very soon wondered if indexing a nested list with a tuple was possible. Something like: elements[(1,1)] One example where I wanted to do that was something similar to the code below in which I save some positions of the matrix that I will later need to access in a tuple called i…
Pandas read multiindexed csv with blanks
I’m struggling with properly loading a csv that has a multi lines header with blanks. The CSV looks like this: What I would like to get is: When I try to load with pd.read_csv(file, header=[0,1], sep=’,’), I end up with the following: Is there a way to get the desired result? Note: alternati…
List of unicode character names
In Python I can print a unicode character by name (e.g. print(u’N{snowman}’)). Is there a way I get get a list of all valid names? Answer Every codepoint has a name, so you are effectively asking for the Unicode standard list of codepoint names (as well as the *list of name aliases, supported by P…
Change Series inplace in DataFrame after applying function on it
I’m trying to use pandas in order to change one of my columns in-place, using simple function. After reading the whole Dataframe, I tried to apply function on one Series: And it’s working great. The only problem occurs when I try to put it back into my DataFrame: or: Throwing the following warning…
How to display all model fields with ModelSerializer?
models.py: serializers.py: So, here I want to use all fields. But I have an error: Field name producer_id is not valid for model Car. How to fix that? Thanks! Answer According to the Django REST Framework’s Documentation on ModelSerializers: By default, all the model fields on the class will be mapped t…
InvalidBasesError: Cannot resolve bases for []
When I run tests I get this error during database initialization: I created this proxy for contrib.auth Group model to place it in my app in django admin: So what can I do to fix this issue? Answer After a lot of digging on this the only thing that worked for me was comment out the offending apps, run migrati…