For each user, three of the predicted ratings must equal '1', while the other three must be set to '0'.
对于每一个用户，三个预测值需要是' 1 '但是其他三个需要置为' 0 '。
For each directory, check that the directory exists, that it is owned by user informix and the correct group, and that its permissions do not include write permissions for the group or other users.
对于每个目录都要检查该目录是否存在，所有者是否为用户informix和适当的组，以及该目录的权限是否不包括对这个组或者其他用户的写权限。
Specifically, WAI-ARIA provides a framework for adding attributes to identify features for user interaction, how they relate to each other, and their current states.
特别是，WAI-ARIA 提供了一个框架用于添加属性来识别用户交互的特点、它们互相如何关联以及它们的当前状态。
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