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Author: Andrew Rocky

Python Programming

ImportError: Could not import the Python Imaging Library (PIL) required to load image files on tensorflow

January 14, 2021January 17, 2021 Andrew Rocky

Question or problem about Python programming: I am doing a deep learning course on udacity. For the first assignment whenI tried to run the script which is below the problem 1 , I got this error. So I tried to uninstall PIL and pillow and then installed these individually but I didnot succeeded. I need […]

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Iterate over individual bytes in Python 3

January 14, 2021January 17, 2021 Andrew Rocky

Question or problem about Python programming: When iterating over a bytes object in Python 3, one gets the individual bytes as ints:

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Python is a powerful general-purpose programming language.

Ignore part of a python tuple

January 14, 2021January 17, 2021 Andrew Rocky

Question or problem about Python programming: If I have a tuple such as (1,2,3,4) and I want to assign 1 and 3 to variables a and b I could obviously say

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How to check if DynamoDB table exists?

January 14, 2021January 17, 2021 Andrew Rocky

Question or problem about Python programming: I’m a new user in boto3 and i’m using DynamoDB.

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How to move pandas data from index to column after multiple groupby

January 14, 2021January 14, 2021 Andrew Rocky

Question or problem about Python programming: I have the following pandas dataframe:

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How to get the n next values of a generator in a list (python)

January 14, 2021 Andrew Rocky

Question or problem about Python programming: I have made a generator to read a file word by word and it works nicely.

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How should QuartzCore.framework imported in Swift?

January 14, 2021 Andrew Rocky

Question or problem in the Swift programming language: I need QuartzCore.framework to add borderColor to a textfield, how?

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Stroke Width with a SceneKit line primitive type

January 14, 2021 Andrew Rocky

Question or problem in the Swift programming language: I am trying to replicate this cube image shape (with permission from the original creator) using scene kit.

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12 useful Terminal commands on Mac

Finding Altitude in Swift

January 14, 2021 Andrew Rocky

Question or problem in the Swift programming language: I’ve been having trouble finding a way to get the altitude of the device. Could someone give me a pointer or put together a short script that gets the altitude of the device and prints it? Only in swift. Thanks!

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how to do a left,right and mid of a string in a pandas dataframe

January 14, 2021 Andrew Rocky

Question or problem about Python programming: in a pandas dataframe how can I apply a sort of excel left(‘state’,2) to only take the first two letters. Ideally I want to learn how to use left,right and mid in a dataframe too. So need an equivalent and not a “trick” for this specific example.

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