So for the same thing does for a panda dataframe. I want to know how to do this when it is a ndarray? 1 40 0 0 0 0 0 0 2 58 0 0 1 0 0 0 3 41 0 1 1 0 0 1 4 45 0 0 1 1 0 1 5 60 0 1 0
Tag: python
How to impose order on fixtures in pytest?
I am trying to use pytest-dependency to make fixtures happen in order, regardless of how they are named, and regardless of the order in which they appear in a test’s argument list. The reason I need this, is to create fixtures that require initializations, that depend on other fixtures that require init…
Difference between the calculation of the training loss and validation loss using pytorch
I wanna use the following code of this traditional image classification problem for my regression problem. The code can be found here: GeeksforGeeks-Training Neural Networks with Validation using Pytorch I can understand why the training loss is summed up and then divided by the length of the training data in…
Replace consecutive identic elements in the beginning of an array with 0
I want to replace the N first identic consecutive numbers from an array with 0. OUT -> np.array([0, 0, 0, 0 2, 3, 1, 2, 3, 2, 2, 2, 3, 3, 3, 1, 1, 2, 2]) Loop works, but what would be a faster-vectorized implementation? Answer You can use argmax on a boolean array to get the index of the
Sorted X axis ticks in Matplotlib when using multiple datasets
I have several datasets that I want to plot. The x values are “categorical” strings, in the sense that they have no particularly meaning, but they are sortable (alphanumeric). Each dataset has some X values that are unique, and some that are in common. The desired output is a graph where the xXtic…
What is the best way of converting a large folder of bmp files to jpeg?
I have a large folder of BMP files and I want to write a script that will loop through all the files in the folder and convert all BMP files into jpeg. I want it to continuously run as it will be used on a production line where new BMP images will be uploaded regularly. Answer You can simply use
Convert nested list to JSON using Python
I’m using the following SQL query to get data for every month in a given year: When I’m returning this via Python, I’m getting the following result: Also, there are n everywhere in the result. I need the result in JSON format, but I can’t get it right. How can I do it? Answer If l is t…
Syndication Feed View RSS to File
I’m using django as my web frontend for my podcast. I use a CDN for hosting all my media, and lately I have wanted that same CDN to host my RSS Feed, not directly django. The current setup has some basic well known primitives: Some additional context; SubscribeFeed is a Syndication Feed (https://github.…
Pandas combine rows in groups to get rid of Nans
I want to do something similar to what pd.combine_first() does, but as a row-wise operation performed on a shared index. And to also add a new column in place of the old ones – while keeping the original_values of shared column names. In this case the ‘ts’ column is one that I want to replac…
Including External Python Packages with Python Executable
I have made my own Executable from a python script which I want to run on a computer that does not have Python installed on it. My only problem is there are packages I have included which are not default python packages (e.g. pynput). Otherwise, the Executable would run fine without Python installed. Is there…