Loop that also accesses previous and next values
How can I iterate over a list of objects, accessing the previous, current, and next items? Like this C/C++ code, in Python?
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How to reduce a jpeg size to a ‘desired size’?
In Python 3.x, I am using PIL to resize images, I know that we can reduce the height or width by subtraction or division by pixels. But, is it possible to resize an image to a desired size, say 200kb and remain its proportions? Assuming the image(s) is larger but the size is unknown.
How to decrypt OpenSSL AES-encrypted files in Python?
OpenSSL provides a popular (but insecure – see below!) command line interface for AES encryption:
add a string prefix to each value in a string column using Pandas
I would like to append a string to the start of each value in a said column of a pandas dataframe (elegantly).
I already figured out how to kind-of do this and I am currently using:
round() doesn’t seem to be rounding properly
The documentation for the round() function states that you pass it a number, and the positions past the decimal to round. Thus it should do this:
Make 2 functions run at the same time
I am trying to make 2 functions run at the same time.
What is the difference between ‘SAME’ and ‘VALID’ padding in tf.nn.max_pool of tensorflow?
What is the difference between ‘SAME’ and ‘VALID’ padding in tf.nn.max_pool of tensorflow?
reducing number of plot ticks
I have too many ticks on my graph and they are running into each other.
Pandas – Slice large dataframe into chunks
I have a large dataframe (>3MM rows) that I’m trying to pass through a function (the one below is largely simplified), and I keep getting a Memory Error message.
Convert unix time to readable date in pandas dataframe
I have a dataframe with unix times and prices in it. I want to convert the index column so that it shows in human readable dates.