I want to convert a website table to pandas df, but BeautifulSoup doesn’t recognize the table (snipped image below). Below is the code I tried with no luck. I also tried the code below with no luck Answer Your table is not in the <table> tag but in multiple <span> tags. You can parse these t…
Fastest way to split a list into a list of lists based on another list of lists
Say I have a list that contains 5 unique integers in the range of 0 to 9. I also have a list of lists, which is obtained by splitting integers from 0 to 19 into 6 groups: Now I want to split lst based on the reference partitions. For example, if I have I expect the output to be a
How to call synchronous function(s) from async functions in safe manner
What can occur if one or more workers call ‘Synchronous function’ simultaneously ? Maybe one or more workers become blocked for a while ? Answer Short answer: If you call a synchronous (blocking) function from within an async coroutine, all the tasks that are concurrently running in the loop will …
Remove whitespaces, newlines and tabs in json not in json descriptions
I have a json file: How can I remove whitespaces, newlines and tabs in json, but not in json “message”: descriptions like json formatter – minify/compact: using Powershell or Python? Answer PowerShell’s ConvertTo-Json cmdlet has a -Compress parameter for this: Result: In python you can…
Is there a better way to find specific value in a python dictionary like in list?
I have been practicing on iterating through dictionary and list in Python. The source file is a csv document containing Country and Capital. It seems I had to go through 2 for loops for country_dict in order to produce the same print result for country_list and capital_list. Is there a better way to do this i…
I get error , cannot import from file helper
Please help, I get the error below running jupyter notebook. Error: Answer Since you are not giving the where you get the notebook, I have to guess that you get it from this course Supervised Learning: Regression provided IBM. In the zip folder in week 1, it provides helper.py. What you need to do it is to ch…
cropping an image in a circular way ang paste on another image, using python
I am trying to crop an image in python in circular shape. And I also want to paste that image on the top of another image, and then then then save the image in a desired format. This is the image that I want to crop in circular way This is how the image should be looked like after cropping
Cufflinks shows blank
I tried importing the financial data and use the following code. It runs fine but plotly just show blank canvas. I narrowed down and found out that the problem is cufflink because iplot alone (not using with dataframe still work fine) enter image description here Answer I think the graph did not show up becau…
3D numpy array threshold comparison
I’m trying to solve whether or not each element in a 3d numpy array fits within a certain threshold. Currently I have nested for loops that get the job done, but it’s really slow and I don’t have all day to wait for my code to run LOL. The input spec is a little bit weird so I haven’t …
Optuna lightgbm integration giving categorical features error
Im creating a model using optuna lightgbm integration, My training set has some categorical features and i pass those features to the model using the lgb.Dataset class, here is the code im using ( NOTE: X_train, X_val, y_train, y_val are all pandas dataframes ). Every time the lgb.train function is called, i …