Pavel Anossov questions

Pavel Anossov answers

• why is there no reference between the app and the widget?
• Is there a Regular Expression for blank input?
• Combinations or permutations of input, for a given length
• UnicodeEncodeError at /admin/ in Django app
• How to find words in a string with the same prefix through RegEx in Python
• How is Django's classonlymethod useful? [duplicate]
• Changing default template for login form in Django 1.5
• Why is admin.py never loaded?
• How can I compare the column of two 2-dim array without any third-party libraries?
• python initialization of constants in separate file