Upon successfully connecting to the database, this function returns a connection object, which is required in the subsequent database read and write operations.

如果成功地连接到数据库，这个函数会返回一个连接对象，后续的数据库读写操作需要使用这个对象。

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From there it's just a matter of connecting the log QPushButton's clicked signal to the new function.

从上述代码我们可以看到，这就是将log QPushButton的clicked信号连接到新函数的事情。

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This script starts by including the helper function and connecting to the database. It then executes two SQL statements.

此脚本首先包含helper函数并连接数据库，然后执行两条sql语句。

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The researchers hardest hit are those who rely on animals for the better part of their experiments, such as Dr. Gordon Fishell, the associate director of the NYU Neuroscience Institute, whose work focuses on connecting brain function to disease.

CNN: Rebuilding NYU's research labs after Superstorm Sandy