Raised when wsgi file is not a valid python module, or application doesn't exist

Raised when defining duplicate path in configuration file

ListNode has a next pointer and a val field.

Raised when the execution violates sandbox restriction

Solution Error with an string argument to show reason

Raised when the execution time out

A transaction guard. This is, in fact, just syntactic sugar around a memento closure.

Raised when wsgi file is not found in file system

Awefully simple problem, no need to override any method

Each Problem subclass should define these attributes: _id: the identifier title: the title to describe the problem description: m

Raised when static dir is not found or is not a directory

Adds transactional semantics to methods. Methods decorated with @Transactional will rollback to entry-state upon exceptions.