I have been using PHP for a while now with my Apache2 web server on my raspberry pi. It works great, but I get tired of always having to think “how do I X in PHP” or “what was the function name for this in PHP”. I am under the strong impression that there should be something equivalent…
How to list applied migrations from command line?
I had run makemigrations and after that migrate to apply the migration How to find out models in boards from command line? Answer You’ll need to use some undocumented APIs for this, but here’s one way: After this, loader.disk_migrations will be a dictionary whose keys are (app_name, migration_name…
Python Modules installing properly but dont exist in editors
I want to start with I am new to the python language and am learning on my own. My issue is that I am installing the modules that I’m trying to use. The installs are successful but do not exist when I try to import them. I am using Visual Studio Code, Python 3.6, and Anaconda on Windows 10. I
Multiprocessing causes Python to crash and gives an error may have been in progress in another thread when fork() was called
I am relatively new to Python and trying to implement a Multiprocessing module for my for loop. I have an array of Image url’s stored in img_urls which I need to download and apply some Google vision. This is my runAll() method I am getting this as the warning when I run it and python crashes Answer Thi…
Python Dataframes: Describing a single column
Is there a way I can apply df.describe() to just an isolated column in a DataFrame. For example if I have several columns and I use df.describe() – it returns and describes all the columns. From research, I understand I can add the following: “A list-like of dtypes : Limits the results to the prov…
Python logging into file as a dictionary or JSON
I am trying to set up logging where I can log in both stdout and on to a file. This i have accomplished using the following code: The output of this something like this: What I am trying to accomplish is logging this output to a file not as it is printing to stdout, but as a dictionary or JSON
Python Pandas finding column value based on multiple column values in same data frame
df: Now I want to get city name where “fruit= orange and price =5” is not working and giving error as: Versions used: Python 3.5 Answer You could create masks step-wise and see how they look like:
Python pathlib make directories if they don’t exist
If I wanted to specify a path to save files to and make directories that don’t exist in that path, is it possible to do this using the pathlib library in one line of code? Answer Yes, that is Path.mkdir: From the docs: If parents is true, any missing parents of this path are created as needed; they are create…
Spark Calculate Standard deviation row wise
I need to calculate Standard deviation row wise assuming that I already have a column with calculated mean per row.I tried this but I got the following error Answer Your code is completely mixed up (at its current state it won’t even cause the exception you described in the question). sqrt should be pla…
How to solve StopIteration error in Python?
I have just read a bunch of posts on how to handle the StopIteration error in Python, I had trouble solving my particular example.I just want to print out from 1 to 20 with my code but it prints out error StopIteration. My code is:(I am a completely newbie here so please don’t block me.) Answer Any time…