4 ms·
Requests could use the If-Unmodified-Since header to guard against DB changes without the overhead of a separate HEAD request. If the underlying DB has been ch
by M2Ys4U 5y ago
Requests could use the If-Unmodified-Since header to guard against DB changes without the overhead of a separate HEAD request.
If the underlying DB has been changed then the server should respond with 412 Precondition Failed.