I am creating a list of nested dictionaries to have the file addresses for images I will be using for my program. However, in the BU0 dictionary it seems to cause an error that reads: Here is the nested list: Answer Try to escape the backslashes: Or put them as raw strings r”…”:
Tag: python
Best way in Pandas to put two lists into a Dataframe and add each list to a separate Excel column
Presently, I have code that creates a new Pandas Dataframe per list and then prints each list to its own column in Excel. What would be the way to combine the lists into a single Dataframe and then add each list to its own Excel column? Code Answer This should work. Make sure to install required deps (pip ins…
Reorder subset of columns in pandas dataframe with natural sorting
I have the following dataframe: and I would like to sort only the columns with the F in this way: How could I do? (edit) The columns with the “F” can vary both in quantity and in the values that follow the F (in my case I have about 100 columns like those) The columns with F are always grouped
A copy of image array not working in python
So I am working on Image Encryption and using a chaotic map for diffusion. So I have been trying to rearrange pixels of an image and made a rearranging code. It works fine for normal arrays but when I use it on image, without any rearranging, just a simple copy, the new array doesn’t make any image, in …
Chunking – regular expressions and trees
I’m a total noob so sorry if I’m asking something obvious. My question is twofold, or rather it’s two questions in the same topic: I’m studying nltk in Uni, and we’re doing chunks. In the grammar I have on my notes the following code: What is the “$” symbol for in thi…
Issue installing python bcrypt in Cygwin
I’m trying to install paramiko in Cygwin and one of the build dependencies is bcrypt. I have rustc installed and I believe all of the supporting build libraries. Pip is also updated to the latest. I use the following pip command: And I get the following error output: I check my python installation (pyth…
Django – Retrieve a session value to a form
I have a Django aplication and need to get a value from the session and put it in a HiddenInput. I have this code in my view: When I have some value on ‘obra_aberta_id’ I need to put this value on a HiddenInput: But I’m getting an error on ‘request’: name ‘request’ is…
Scroll bars not working correctly with canvas
The scroll bars move the canvas but they always snap back to the top or the left. What am I doing wrong? Answer Scrollbars require two-way communication with the widgets they are controlling. You’ve properly configured the scrollbars but haven’t configured the canvas to update the scrollbars. To d…
How should I validate this correctly?
”’ This is a function which asks the user to input two values and then gives the longer word if the user inputs two words or gives the bigger number when the user enters two numbers. It returns can’t compare if the user enters a word and a number, however the problem I am facing is I am unab…
Mock return value of a function for one case input, otherwise return original value
apps.my_module.py I want to mock my_func in tests.py the mocked function return value for a is name is AA not name is a, but the return value for b and else must stay the same I want to do this using unittest, how to do this? Answer The solution goes as the following: in tests.py