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Advanced Mac OS X Programming: The Big Nerd Ranch Guide by Mark Dalrymple

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Exercises

  1. Write an app that saves a username and password to the default keychain.

  2. Write an app that can read and change the saved password.

  3. Extend chatterd to require a password. Add password solicitation to a Chatter client, and store the password into the keychain

  4. Code-Sign your Chatter client so that upgrades do not trigger the keychain dialog.

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