Python Developer

I create a class for working with SQLAlchemy : class DbAbsLayer(object): def __init__(self): … Read more Sqlalchemy.exc.unboundexecutionerror: Could Not Locate A Bind Configured On Mapper Mapper|sellstable|sellers Or This Session

How do I test a database connection for Django? For example to make sure that the username and pass… Read more How Do I Test A Database Connection In Django?

In my Django app I have a Publication model and a Tag model which have a many to many relationship.… Read more What Is An Efficient Way To Do An And/or Search Django-postgres App?

I have a legacy database with the following tables: person person_id (PK) | first_name | last_n… Read more How To Implement Multivalued Attribute In Django?

eb_config_object = models.ForeignKey(EbConfig, on_delete=models.CASCADE) I want to serialize an ob… Read more How Can I Perform Manytoone Without Foreignkey In Db?

I'm currently trying to update my documents in a ravendb DB. The issue is that i have a method … Read more Get All Of A Collection's Documents Id's Ravendb For A "per-document" Modification

I am storing a table using python and I need persistence. Essentially I am storing the table as a d… Read more Shelve Is Too Slow For Large Dictionaries, What Can I Do To Improve Performance?

I'm creating a posting blog function for social media website and I'm stuck on a problem: w… Read more Form.validate_on_submit() Doesn't Work(nothing Happen When I Submit A Form)