“For invalid user name and password combinations, the service should return a 400 HTTP status code, which means that the server received a “bad request.” The service could also use the 401 (“unauthorized”) response code, but that code specifies that authentication credentials need to be in the request header, which is not quite what is required.”

“Virtuoso? Are you serious? What kind of code name is that? Who's assigning code names these days? They should be shot. How can anyone feel threatened by someone named Virtuoso?”

“Mr. Rushworh was very ready to request the favour of Mr. Crawford's assistance; and Mr. Crawford after properly depreciating his own abilities, was quite at his service in any way that could be useful.”

“Some properties should not be changed. The Answer to Life, the Universe, and Everything is 42, and you want it to stay that way. Error and status flags will often be hard-coded into your classes. Although they should be publicly and statically available, client code should not be able to change them.”

“Debugging tip: For server applications, be sure to always specify the -server JVM command line switch when invoking the JVM, even for development and testing. The server JVM performs more optimization than the client JVM, such as hoisting variables out of a loop that are not modified in the loop; code that might appear to work in the development environment (client JVM) can break in the deployment environment (server JVM).”

“There are thousands of codes in the Torah which are decoded by the Talmud.”