Many questions on Stack Overflow refer to “Pure Python” (some random examples from the “similar questions” list: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11). I also encounter the concept elsewhere on the web, e.g. in the package documentation for imageio and in tutorials such as “An intro…
Wrong labels when plotting a time series pandas dataframe with matplotlib
I am working with a dataframe containing data of 1 week. I create a new index by combining the weekday and time i.e. The plot of this data is the following: The plot is correct as the labels reflect the data in the dataframe. However, when zooming in, the labels do not seem correct as they no longer correspon…
Python pandas cumsum with reset everytime there is a 0
I have a matrix with 0s and 1s, and want to do a cumsum on each column that resets to 0 whenever a zero is observed. For example, if we have the following: The result I desire is: However, when I try df.cumsum() * df, I am able to correctly identify the 0 elements, but the counter does not reset:
How to remove or change the default help command?
How do you remove or at least change the format of the default help command in discord.py? I think changing the format would be nice, I don’t really like the format at all. Answer Try this: Put this at the top of your code, after your imports. Then create your own. Or to format it check this out: Click …
How to compare signs of two numbers without using ?
I need to compare 2 numbers, if they have the same sign (positive or negative), print “same sign”. If they have a different sign, print “different sign” The catch is, I need to do it without the use of < or > (greater than or less than) and only using addition and subtraction of …
Override python open function when used with the ‘as’ keyword to print anything
How can I override the built in open function such that when I call it like so… The contents variable is any string I want? EDIT: To clarify, I want to be able to just provide a string to the open function rather than a file path that will be read. The above should print foobar. I am aware this
What’s preventing python from being compiled?
I understand that Python is an interpreted language, but the performance would be much higher if it was compiled. What exactly is preventing python from being compiled? Why was python designed as an interpreted language and not a compiled one in the first place? Note: I know about .pyc files, but those are by…
SQLAlchemy nested model creation one-liner
I’m looking to create a new object from q2, which fails because the Question class is expecting options to be a dictionary of Options, and it’s receiving a dict of dicts instead. So, unpacking obviously fails with a nested model. What is the best approach to handle this? Is there something that…
How to run Pytorch model in normal non-parallel way?
I am going through this script, and there is a code block which takes 2 options into account, DataParallel and DistributedDataParallel here: What if I don’t want either of these options, and I want to run it without even DataParallel. How do I do it? How do I define my model so that it runs as a plain n…
How can I get the total count of total pages of a PDF file using PDFMiner in Python?
In pypdf, len(reader.pages) gives me the total number of pages of a PDF file. How can I get this using PDFMiner? Answer I hate to just leave a code snippet. For context here is a link to the current pdfminer.six repo where you might be able to learn a little more about the resolve1 method. As you’re wor…