摘要：
The 'r' in front of each regular expression string is optional but recommended. It tells Python that a string is “raw” – that nothing in the string should be escaped. See Dive Into Python’s explanati... 阅读全文
摘要：
API queries create, retrieve, update and delete 阅读全文
摘要：
Generally, each model maps to a single database table. Each attribute of the model represents a database field. Each attribute of the model represents a database field. manage.py startapp mymo... 阅读全文