It’s a bit annoying that tf.keras generator still faces this issue, unlike pytorch. There are many discussions regarding this, however, still stuck with it. Already visit: Meaning of validation_steps in Keras steps_per_epoch does not fit into numbers of samples Problem I have a data set consist of aroun…
Interpolation of points along the spline using scipy.interpolate.splrep
I’m working on the task of interpolating the points along the lanes in the images. A sample image with annotated points(image not from the actual dataset and spacing between the point is also not actual) is included here. I’m trying to use slprep from scipy and below are the steps I’m taking…
How to use a custom validation method taking request parameters
I have a really simple form on which I’m doing some validation: But I need to add another validation (which is based on the user making the request). I tried to add the parameter to the clean method: Unfortunately, I cannot call the is_valid() in the view with a parameter: I get the following error mess…
Concatenating string to list iteratively
So I’m trying to concatenate a string to a list, but for some reason it only works for the very last values: Input: Output: What i need is: Answer For me this looks like task for map, I would do Output: Explanation: for every pair of corresponding elements from labels and sents I pack first one into lis…
How to extract multiple strings using Regex?
I have a column in a df contains the following values: I would like to use regex to extract the KEY into a new column without the actual “KEY_”. For those sentences have more than 1 KEY, they should be joined with a comma. The output should be as below: I tried with this code but it is not working…
TKinter Entry validation not working after setting its StringVar
I have a TKinter entry widget where i want to validate the input, and everything works as expected. But when I set the StringVariable of the Entry widget the validation function is no more called. Can someone explain me this behavior? Here is an example of my problem where i validate whether the input is a di…
Faster matrix calculation in numpy
Is there some faster variant of computing the following matrix (from this paper), given a nxn matrix M and a n-vector X: ? I currently compute it as follows: This is very slow, but I suspect there is a nicer “numpythonic” way of doing this instead of looping… EDIT: While all answers work and…
How do I display my products by certain category
So I am making an ecom site, and I am using Django. I am quite new and I am using a tutorial but have stepped off touch with it as I want to have 2 categories and maybe more on my website in the future. I want to be able to display them by their category, and I asked for
How can I use scrapy middlewares to call a mail function?
I have 15 spiders and every spider has its own content to send mail. My spiders also have their own spider_closed method which starts the mail sender but all of them same. At some point, the spider count will be 100 and I don’t want to use the same functions again and again. Because of that, I try to us…
Other user’s profile is not showing, It is showing only current user name . How to display other user’s profile?
I am creating a web app and I want this to display other user’s profile through the user’s post. I mean when a user click on other user’s profile for see the other user’s information then it will show the other user’s profile. I’ve tried everything but it is showing the nam…