[Original] Django issue summary

一：python manage.py makemigrations No changes detected

After modifying models.py, some users will like the code generated by a corresponding py python manage.py makemigrations. 

But sometimes execute python manage.py makemigrations commands (also possible people are more skin, the migrations folder to be deleted), will prompt " Nochangesdetected. " May be useful solution as follows: 

first python manage.py makemigrations - empty YourAppName generate a empty initial.py 

then python manage.py makemigrations generated corresponding to the original model migrationfile

 

Two: django use version migrations and database migration error Solution

https://blog.csdn.net/a599174211/article/details/82795206

 

Three: django- questions about manage.py migrate invalid

https://blog.csdn.net/qq_25730711/article/details/60327344

 

Four: to solve the "xxx" has no 'objects' member error message appears when operating in Class model vscode database with python

https://blog.csdn.net/qq_36272282/article/details/89416663

 

Five: the deployment of admin background on line style is not in force

1 , in the tail settings.py: 

STATIC_ROOT   = the os.path.join (base_dir, ' static ' ) designated style collection catalog # 
# or 
STATIC_ROOT = ' / WWW / the mysite / the mysite / static '   # directory specified style collection
 2 , collected CSS style, enter in a terminal: 

Python manage.py collectstatic 
after running this command, it will automatically collect background CSS style / static / directory. Refresh the page will be able to resume style!