I have a Spark dataframe sdf with GPS points that looks like this: Since the spark dataframe contains different GPS trajectories generated by different users on different days, I want to write a function that loops through this df and feeds the corresponding set of coordinates to the (OSRM) request per date a…
Python: how to delete space in column of lists?
I have a dataframe like this: Some records in the column ‘1_5000_pi025’ has the space between ‘ and number, for example: Space between ‘ and 73221_902642_M-34-57-A-c-3-2.tif. I was trying few solution but didn’t work. How can I delete space from every record in the column ‘…
How to display something else when XPath hasn’t been found and overwriting previous Label
I am trying to create this app so that it finds the streamers views, if it doesn’t find the XPATH I want it to output “Streamer is offline” but it just outputs “Streamer is offline” even for online streamers. Also, when typing a new streamer the label does not overwrite, rather c…
Python how to download a file from s3 and then reuse
how can I download a file from s3 and then reuse instead of keeping downloading it everytime when the endpoint is called? Answer Based on the comments. Since the files are large (16GB) and need to be read and updated often, instead of S3, an EFS filesystem could be used for their storage: Amazon Elastic File …
Factory for contextvar default value
Setting a dictionary as ContextVar default: …kinda works, as the dictionary will be available as default, but it always references the same instance, instead of generating a new one for each context. Do contextvars somehow support factories (for dicts, lists, and alike), as in: Or do I just have to do i…
Run python script from C# via command prompt
I’m developing a Winform application. I want to run python script from c# via command prompt (i’m using System.Diagnostics.Process class) I have a function to run python script that need to pass a python script file name. It works correctly until I print a string that contain unicode character. My…
python assign attribute names and his values with a dictionary passed to the class
The normal way to pass a variable to a class atrubte is as follows: It is a convention to call the variable inside the init the same as the attribute. I could have done: Now imagine I would like to pass to the init method a dictionary with the name of the attributes and the values they should take. I
Extract only cells containing a string from pandas table and copy them into a new table
I have a huge pandas table, with many rows and columns. I want to pull all the cells that contain a specific string and create a new table containing only those. Any ideas on how to approach this? Thank you! Answer Do you mean something like this?
JSON adding unnecessary Curly Braces
I am creating a Discord bot using Discord.py. I have created a command that will update an external JSON file with a user-specified value. While testing the command I noticed that certain words, such as tes, will add an unnecessary curly brace at the end of the JSON file. This problem only occurs with certain…
Jupyter-notebook failed to import python packages
I was trying to use numpy in Jupyter Notebook in a Python3 virtual environment, but the encountered an error. In terminal, I did: And on the Jupyter page, I created a new notebook and executed the followings And the resulting output is this: The package is already installed but still cannot be found…? I…