- According to the REST principles, what are the meanings of the GET, PUT, POST, and DELETE HTTP methods?
- Which command-line tool can be used to test a web service?
- How can a request handler retrieve the value of URI parameters?
- How can the content type of an HTTP response be specified?
- How can a unique file name be generated?
- Why do services that have a stateless API need to manage a state?
- Why must the state of a service be encapsulated in a Data and a Mutex object?
- Why may asynchronous processing be useful in a web service?
- What is the purpose of the and_then function of futures?
- Which crates are useful to compose an HTTP response in JSON format?
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