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Django:any way to remove this clear field?

Is there any way I can remove this model form file field’s ‘clear’ checkbox?.I know that I can define the ‘custom’ widget for file field but how to address this checkbox in that? Answer You need to change the widget from the ClearableFileInput to Fileinput https://docs.djangoproj…

pandas: filter rows of DataFrame with operator chaining

Most operations in pandas can be accomplished with operator chaining (groupby, aggregate, apply, etc), but the only way I’ve found to filter rows is via normal bracket indexing This is unappealing as it requires I assign df to a variable before being able to filter on its values. Is there something more…

Handling a timeout error in Python sockets

I am trying to figure out how to use the try and except to handle a socket timeout. The way I added the socket module was to import everything, but how do I handle exceptions? In the documentation it says you can use socket.timeouterror, but that doesn’t work for me. Also, how would I write the try exce…

Removing white space around a saved image

I need to take an image and save it after some process. The figure looks fine when I display it, but after saving the figure, I got some white space around the saved image. I have tried the ‘tight’ option for savefig method, did not work either. The code: I am trying to draw a basic graph by using…

Validate Postal Code?

I’m doing some tutorials online…and I’m stuck at an exercise:Define a function postalValidate(S) which first checks if S represents a postal code which is valid. Note: I’m supposed to solve it with strings, lists, if statements, loops, and other basic constructs like variables and func…