I am trying to add an MDSpinner widget while waiting for an external function to return results since it takes a couple of seconds to finish executing. My problem is the spinner isn’t loading when the button is pressed. How can I show a spinner while waiting for a function to return results? my current …
Tag: python
Using SQLAlchemy, I need to assign users into pools, and a ranking for each pool they’re in
Here is the relevant code. I’m writing a Flask application where users can join pools and compete against others within those pools (currently, pools and users are in a many to many relationship). Each user will need a rating for each pool that he/she is in (Elo Rating), and I’m not sure how to im…
Row wise operation in Pandas DataFrame
I have a Dataframe as I would like to have a lambda function in apply method to create a list of dictionary (including index item) as below If I use something like .apply(lambda x: <some operation>) here, x does not include the index rather the values. Cheers, DD Answer To expand Hans Bambel’s ans…
How to add data to Many-To-Many field in Django DRF
I’m new to Django DRF, trying to have a sports school project done. I have a model for coaches, classes and students. Here is a stripped version to keep it simple and easy: In order to list/add students to the class, I’m using the following serializer: Getting the data is working ok. Also, adding …
what does cardinality mean in relation to an image dataset?
After successfully creating a tensorflow image Dataset with: dataset = tf.keras.utils.image_dataset_from_directory(…) which returns Found 21397 files belonging to 5 classes. Using 17118 files for training. There is the cardinality method: dataset.cardinality() which returns a tensor containing the singl…
Pandas dataframe manipulation/re-sizing of a single-column count file
I have a file that looks like this: I want to read this into a pandas dataframe and re-shape it so that it looks like this: Is this possible? If so, how? Notes: it will not always be this size, so the solution needs to be size-independent. The input file will be max ~200gRNAs x 20genes. There will be gRNA_som…
How to fix spaCy en_training incompatible with current spaCy version
spaCy version 3.2.1 Python version 3.9.7 OS Window Answer For spacy v2 models, the under-constrained requirement >=2.1.4 means >=2.1.4,<2.2.0 in effect, and as a result this model will only work with spacy v2.1.x. There is no way to convert a v2 model to v3. You can either use the model with v2.1.x o…
Alternative to irregular nested np.where clauses
I’m struggling to simplify my irregular nested np.where clauses. Is there a way to make the code more readable? Answer Using np.select as suggested by @sammywemmy:
Python Scrapy -> Use a scrapy spider as a function
so I have the following Scrapy Spider in spiders.py But the key aspect is that I want to call this spider as a function, in another file, instead of using scrapy crawl quotes in the console. Where can I read more on this, or whether this is possible at all? I checked through the Scrapy documentation, but I di…
Python script wont power off or on due to DB status
I have created an API in AWS Gateway which uses AWS Lambda. The Lambda uses a python script. I can use the API gateway to invoke the Lambda which can power on or off RDS clusters. In my AWS account I have 4 RDS clusters. If all 4 are powered off I can use the API to power them all