I have this DataFrame: And I want to fill the NaN values with keyword taken from the description. To that end I created a list with the keywords I want: Finally, I want to loop over each row in the DataFrame. Split the contents from the “description” column in each row and, if that word is also in…
morphological transformation opencv noob questiong
hope you all have good day today. so I’m here learning python,opencv on a raspberry pi and Im hoping that someone can explain what the code below do, I’ve read from https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_imgproc/py_morphological_ops/py_morphological_ops.html and it…
Why do we use pyspark UDF when python functions are faster than them? (Note. Not worrying about spark SQL commands)
I have a dataframe: Output: Now, a simple – Add 1 to ‘v’ can be done via SQL functions and UDF. If we ignore the SQL (best performant) We can create a UDF as: and call it: Time: 16.5sec But here is my question: if I DO NOT use udf and directly write: Time Taken – 352ms In a nutshell,
PyTorch – RuntimeError: [enforce fail at inline_container.cc:209] . file not found: archive/data.pkl
Problem I’m trying to load a file using PyTorch, but the error states archive/data.pkl does not exist. Code Output Hypothesis I’m guessing this has something to do with pickle, from the docs: This save/load process uses the most intuitive syntax and involves the least amount of code. Saving a mode…
Pandas get column values based on duplicate rows
I have a sample DF: OP: I am trying to get the values of columns – “A” and “B” wherever there are duplicate values in column col. For example the column col has value Apple in index – 0,1,3,5 and I am trying to get the respective values in column – A and B, ie I have …
How to quit Qt application before main window is displayed
On launch, my Qt application displays a dialog box with some options, before displaying the main window. The dialog box has a ‘Start’ and ‘Cancel’ button. The same dialog box is used at a later time, after the main window is displayed, when the user clicks on a ‘New Game’ b…
Why can’t I define column names when I create the dataframe with pandas?
There are a few times when I have a dictionary (not very large) and try to convert it into a dataframe, the code above would yield one with each cell being NaN. Yet the code below works fine. I wonder what could be the difference? Answer What are your dictionary keys? I am guessing the keys don’t align …
Model for measuring grammatical text quality [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 2 years ago. Improve this question I generate text via transformer models and I am looking for a way of …
Extract N number of patches from an image
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 w…
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 th…