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词汇 callback
释义
callback
noun [ C ] uk/ˈkɔːl.bæk/ us/ˈkɑːl.bæk/
(IN COMPUTING)
computing specialized(计算机程序)回调
a piece of code (= a computer instruction) that tells another piece of code to perform an action at a particular later time
If the callback raises an exception, go to the last step.
a callback function/mechanism/method 回调功能/机制/方法
    更多例句
  • It is possible to directly access and receive a callback from an SMTP server to duplicate and capture e-mail messages.
  • If a file is deleted outside of the FileSystem API, getFile() seems to error, which prevents the callback function from working.
  • To avoid forcing application programmers to continually poll for data, some form of callback mechanism is required.
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