No module named MySQLdb
I am using Python version 2.5.4 and install MySQL version 5.0 and Django. Django is working fine with Python, but not MySQL. I am using it in Windows Vista.
django
Getting TypeError: __init__() missing 1 required positional argument: ‘on_delete’ when trying to add parent table after child table with entries
You can change the property categorie of the class Article like this: and the error should disappear. Eventually you might need another option for on_delete, check the documentation for more details: EDIT: As you stated in your comment, that you don’t have any special requirements for on_delete, you could use the option DO_NOTHING:
Is #include bad practice?
Msdn documentation explicitly tells you (a) in which header file a function is declared and (b) which header file you are supposed to include. Most functions tell you to include windows.h, for example SendMessage Some function, that were added later or have very specific use cases, are only available through other header files, for example SetupDiEnumDeviceInfo. So no, … Read more
No module named ‘psycopg2’
There is a possibility that you have two versions of python installed and python2-pip is aliased as pip while python3-pip is aliased as pip3. Make sure you are using right version with python and pip. So the command would be:
Can’t fix “zipimport.ZipImportError: can’t decompress data; zlib not available” when I type in “python3.6 get-pip.py”
I also came across this problem (while creating a simple installer for pyenv). Here’s how I solved it for Mac and Linux: Ubuntu 20.04, 18.04 You need the zlib development files, and probably zlib itself too: If you’re missing zlib, it’s likely that the next problem you’ll run into is with openssl, so it’s probably best to get … Read more
Getting TypeError: __init__() missing 1 required positional argument: ‘on_delete’ when trying to add parent table after child table with entries
You can change the property categorie of the class Article like this: and the error should disappear. Eventually you might need another option for on_delete, check the documentation for more details: EDIT: As you stated in your comment, that you don’t have any special requirements for on_delete, you could use the option DO_NOTHING:
django: TypeError: ‘tuple’ object is not callable
You’re missing comma (,) inbetween: Put comma:
Where does pip install its packages?
pip when used with virtualenv will generally install packages in the path <virtualenv_name>/lib/<python_ver>/site-packages. For example, I created a test virtualenv named venv_test with Python 2.7, and the django folder is in venv_test/lib/python2.7/site-packages/django.
Where does pip install its packages?
pip when used with virtualenv will generally install packages in the path <virtualenv_name>/lib/<python_ver>/site-packages. For example, I created a test virtualenv named venv_test with Python 2.7, and the django folder is in venv_test/lib/python2.7/site-packages/django.
How can I upgrade specific packages using pip and a requirements file?
First make sure you have checked the most voted answer. I’m not sure if it’s exactly your problem, but in my case, I wasn’t able to upgrade Django to 1.2.4 – I was always finishing with 1.2.3 version, so I uninstalled Django with: Then I removed <virtualenv>/build/Django directory and finally I installed the proper version with: