Django 1.7 – “No migrations to apply” when run migrate after makemigrations
I use Django1.7 with Mezzanine. I create simple profile (according to Mezzanine documentation) stored in separate app “profiles”:
python
SQLAlchemy: cascade delete
I must be missing something trivial with SQLAlchemy’s cascade options because I cannot get a simple cascade delete to operate correctly — if a parent element is a deleted, the children persist, with null foreign keys.
Pygame Tic Tak Toe Logic? How Would I Do It
I am trying to make a tic tak toe game with pygame and I was wondering how would I do the logic here is what I have so far. VIDEO < I only have it when I click on the middle button it will display the player 2 x on the screen and then the image that is hovering over my mouse will turn into O for player 1 turn to go BUT my question is how would I do the logic like if player 1 gets 3 in a row or player 2 gets 3 across in a row I am really confused on this and I need someone to walk me throw it
About the PIL Error — IOError: decoder zip not available
I am getting the:
Django serializer Imagefield to get full URL
I am beginner to Django and currently, I can construct model like this.
python numpy machine epsilon
I am trying to understand what is machine epsilon. According to the Wikipedia, it can be calculated as follows:
Group dataframe and get sum AND count?
I have a dataframe that looks like this:
Run code after flask application has started
My goal is to get arbitrary code to run after my Flask application is started. Here is what I’ve got:
UndefinedMetricWarning: F-score is ill-defined and being set to 0.0 in labels with no predicted samples
I’m getting this weird error: