Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 5 years ago. Improve this question This is my first program in Python and I am having some trouble so forgive me if I have some…
Provide default argument value for py.test fixture function
Is there a better way for me to provide default value for argument pytest.fixture function? I have a couple of testcases that requires to run fixture_func before testcase and I would like to use default value for argument in fixture if none of them is provided. The only code I can come up with is as follows. …
How to cut my addiction to Python dictionaries
So, I have a large 30k line program I’ve been writing for a year. It basically gathers non-normalized and non-standardized data from multiple sources and matches everything up after standardizing the sources. I’ve written most everything with ordered dictionaries. This allowed me to keep the colum…
Building a function to read CSV
I am new to Python and building a function to read CSV. I am trying to use the pandas.read_csv() inside my function,and while the code gets compiled-i dont see the dataset (I know its an overkill, but am trying to learn it using a trial and error method). I expect that when i run CSV(‘abc.csv’), i…
Modifying the weights and biases of a restored CNN model in TensorFlow
I have recently started using TensorFlow (TF), and I have come across a problem that I need some help with. Basically, I’ve restored a pre-trained model, and I need to modify the weights and biases of one of its layers before I retest its accuracy. Now, my problem is the following: how can I change the …
How can I set model defaults based on a SqlAlchemy relationship?
Let’s say I have the following models: I would like to be able to default the Shipment.ship_date to be the day before the Treatment.treatment_date. In other words, I want to do the following: How do I set defaults based on relationships when they’re set dynamically by methods like append? For clar…
how to get covariance matrix in tensorflow?
How could I get covariance matrix in tensorflow? Like numpy.cov() in numpy. For example, I want to get covariance matrix of tensor A, now I have to use numpy instead Is there anyway to get cov by tensorflow instead of numpy? It is differnet from the problem how to compute covariance in tensorflow, where their…
How to reverse a dummy variables from a pandas dataframe
I would like to reverse a dataframe with dummy variables. For example, from df_input: To df_output I have been looking at the solution provided at Reconstruct a categorical variable from dummies in pandas but it did not work. Please, Any help would be much appreciated. Many Thanks, Best Regards, Carlo Answer …
Reducing size of pyinstaller exe
I have a simple pandas pyinstaller exe which is over 40MB. My exe example: 40MB+ for this seems a bit overkill. How can I reduce this as much as possible? One method: This however is not practical considering how big the exclusion list would be. How do I select a folder for pyinstaller to get modules from and…
How to create 2d array with numpy random.choice for every rows?
I’m trying to create a 2d array (which is a six column and lots of rows) with numpy random choice with unique values between 1 and 50 for every row not all of the array But this raises an error. Is it possible to make this with an one liner without a loop Edit Okey i get the answer. These