django add static page code example

Example 1: django cannot update static css

<link rel='stylesheet' type='text/css' href="{% static 'css/yourname.css' %}?20181209">

Example 2: django static files / templates

STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static"),
    '/var/www/static/',
]

Example 3: django static files

STATIC_URL = '/static/'

Example 4: using static files in django

Input: 
         1
       /   \
      2     3
Output: 1
Explanation: 
Tilt of node 2 : 0
Tilt of node 3 : 0
Tilt of node 1 : |2-3| = 1
Tilt of binary tree : 0 + 0 + 1 = 1