Django 问题收集

need string or buffer, long found

今天给 Django 设计模型时, 把模型的 unicode() 函数设计成返回 id, 结果出现了
coercing to Unicode: need string or buffer, long found

感觉很奇怪. 总是提个醒吧, 不要妄图用 unicode() 得到 id.
不过 unicode(id) 应该是可以的吧.

Site matching query does not exist.

If you don’t have a site defined in your database and django wants to reference it, you will need to create one.

From a python manage.py shell :

from django.contrib.sites.models import Site
new_site = Site.objects.create(domain='foo.com', name='foo.com')
print new_site.id

Now set that site ID in your settings.py to SITE_ID