Python - Read For Learn

“getaddrinfo failed”, what does that mean?

It most likely means the hostname can’t be resolved. If it doesn’t work there, it’s not going to work in the Bottle example. You can try ‘127.0.0.1’ instead of ‘localhost’ in case that’s the problem.

TypeError: Invalid dimensions for image data when plotting array with imshow()

There is a (somewhat) related question on StackOverflow: Showing an image with pylab.imshow() Here the problem was that an array of shape (nx,ny,1) is still considered a 3D array, and must be squeezed or sliced into a 2D array. More generally, the reason for the Exception TypeError: Invalid dimensions for image data is shown here: matplotlib.pyplot.imshow() needs a … Read more

ImportError: No module named win32com.client

pip install pywin32 didn’t work for me but pypiwin32 did.

Distributed 1.21.8 requires msgpack, which is not installed

I face same issue while installing dask Later I resolved it using either of these two methods. First Method: Run this command Second Method: Run this command

Pandas OR statement ending in series contains

use Pandas crosstab: the result is same as:

Difference between two dates in Python

Use – to get the difference between two datetime objects and take the days member.

How to stop a function

A simple return statement will ‘stop’ or return the function; in precise terms, it ‘returns’ function execution to the point at which the function was called – the function is terminated without further action. That means you could have a number of places throughout your function where it might return. Like this: