I have an image of dimension 155 x 240. Like the following: I want to extract certain shape of patchs (25 x 25). I don’t want to patch from the whole image. I want to extract N number of patch from non-zero (not background) area of the image. How can I do that? Any idea or suggestion or implementation will
Tag: python
How to append something to the beginning of Regex matches?
This is the regex code: It returns me the output of each URL which doesn’t have the https header in front. For example: For this, I want to append “https://example.com” in the beginning. I don’t want a for loop, is there any efficient way of doing it using re.sub? Answer You may use this regex in re.sub: RegEx Demo Code:
Tensor Flow Conv1D for binary classification CNN
I’m creating a Conv1D layer in a CNN for binary classification, and I’m quite new to Machine Learning and I need some help to figure out the correct values for Conv1D: I would like to know if there is a way to determine the “Right” hyper-parameters that will fit my dataset best. Answer For the completion, here is the documentation
Error for max(nx.connected_component_subgraphs(),) no attribute ‘connected_component_subgraphs’
I am trying to run this code: But I am getting this error message: How do I get around that? Answer connected_component_subgraphs() has been removed from version 2.4. Instead, use this: according to this answer.
Python MemoryError: Unable to allocate 10.8 TiB for an array with shape () and data type int64
I am trying to combine two data sets. Using codes as follows It returns with error: MemoryError: Unable to allocate 10.8 TiB for an array with shape (1483050607760,) and data type int64 How can I solve this if my laptop is a 500GB+8GB one? Thank you in advance. Answer try dask then you can convert it to pandas if you
Why do coefficient of determination, R², implementations produce different results?
When attempting to implement a python function for calculating the coefficient of determination, R², I noticed I got wildly different results depending on whose calculation sequence I used. The wikipedia page on R² gives a seemingly very clear explanation as to how R² should be calculated. My numpy interpretation of what is being said on the wiki page is the
Reverse for ‘wagtailadmin_explore’ with arguments ‘(”,)’ not found
I have been trying to rebuild my Wagtail website as a docker container to be run on Fargate. For reasons, I started from scratch and rebuilt all my dependencies. After pip installing everything, the site works fine locally using venv. However, I get strange errors when launching the in the Docker container. Can anyone help me identify a fix for
Reconstruct input string given ngrams of that string
Given a string, e.g. i am a string. I can generate the n-grams of this string like so, using the nltk package, where n is variable as per a specified range. Gives the output: Is there a way to ‘reconstruct’ the original string using combinations of the generated ngrams? Or, in the words of the below commenter, is there a
tkinter: How to avoid this ValueError: could not convert string to float: ”?
I am trying to make a pound to kilogram converter and basically this gives me the error: Answer The function is being called directly when the code is being executed initially, when the entry box is empty, there is nothing inside of it, so you have to remove that and just call the function from the buttons, and also add
How to access a table in HTML without any name with Beautifulsoup
I am trying to scrape a table from url. The table seems to have no name. I have scraped the links and its text to csv using below code. What I need is to scrape the table as it is. currently I am able to get just links. I need other columns too. I have tried following code but failed.