underscore, in script names
unencrypted data
unique constraint, 2nd
in testing
simulating
unit test, structure of
unit testing
advantages of
class hierarchy
plugins
REST controllers
untrusted input
untyped variables
update, dbCreate setting
upper bound, of a range
url constraint
URL mappings, 2nd
$ variables
404 errors
500 errors
and automatic request parsing
and REST
concise syntax
constraints
conventions for controllers
creating permalinks
custom error pages
home page redirect
in integration tests
in REST
optional variables
ordering of file important
resource parameter
response codes
RSS feed example
status codes
testing of
to custom error pages
to the view
wildcards
URL rules, 2nd
suggested order
UrlMappings.groovy
URLs
design of
for Tomcat deployment
in functional tests
restricting access to, 2nd
uniqueness of
US-ASCII
User domain class, 2nd
user interfaces
testing of.
See functional testing.
user interfaces, and services
user management
User object, scaffolding
user registration form, 2nd
user registration, with Spring Security
userDomain() method
UserRegistrationCommand
UUIDs