A dummy Ping request to make sure that a user is still logged in.
确定用户依然处于已登录状态的伪ping请求。
It should contain one record for each logged in user.
对于用户的每次登录，它都应该包含一条相应的记录。
We assume that the user has already logged in, and therefore REMOTE_USER is set.
我们假设用户已经登录，因此已经设置了REMOTE_USER。
You might also want to include some personal data once a user is logged in.
用户登录之后，可能还要包括一些个人数据。
Is a private method returning true if the current user is logged in.
是一个私有方法，如果当前用户已登录则返回true。
How can I access the other version of webpage that has the user logged-in?
我怎么能访问网页的其他版本，用户登录了吗？
If you are logged in as a typical user, RPC stepping will fail.
如果您作为普通用户登录，则RPC单步执行会失败。
This is my original need: upload a profile picture for a logged in user.
这是我最初的需要：登录用户上传个人照片。
This is my original need: upload a profile picture for a logged in user.
这是我最初的需要：登录用户上传个人照片。
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