守护进程在初始化时设置将这个共享内存并在其后扮演垃圾收集器的角色以确保只有活动进程保持注册。
The daemon sets up this Shared memory upon initialization and ACTS as a garbage collector thereafter, helping to ensure that only active processes remain registered.
第二个问题可通过“保持活动”或按固定间隔“同步”消息来欺瞒浏览器，使浏览器认为数据是以较慢的速率传入的。
The second issue is circumvented by sending a "keep-alive" or "sync" message at constant intervals to fool the browser into thinking that data is coming at a slower rate.
现有会话的秘密所有者—那个黑客—此时能够记录和利用在新用户和服务器之间传输的数据，前提是会话保持活动。
The clandestine owner of the existing session-the hacker-can, at this point, record and exploit data that is transferred between the new user and the server as long as the session remains active.
注意，即使FTP服务器已经在保持60秒不活动之后自动关闭了连接，但是客户要在超时之后尝试执行命令时才会被通知。
Note that even though the FTP server had automatically closed the connection after 60 seconds on inactivity, the client will only be informed when it tries to execute a command after the timeout.
重要提示：确保重新启动WebSphereApplicationServer程序以便在所有相关节点和服务器上保持活动状态。
Big hint: Be sure to restart the WebSphere Application server daemon to make active on all the associated nodes and servers.
例如，一个Web浏览器仅将一个服务器活动的HTTP连接保持预定义的特定时间。
For example, a Web browser will only keep an HTTP connection with a server alive for a certain, pre-defined time.
在这个示例中，我们有一个数据库管理器的类，该类保持了所有到数据库的活动连接，并且提供了一个枚举所有这些连接的方法。
In this example, we have a database manager class that keeps track of all active connections to the database and provides a method for enumerating those connections.
作为临床上使用最长、应用最广的活动与固定保持器，其相关临床研究无疑有着重要意义。
The related clinical study of fixed and removable retainers which were used longest and most widely undoubtedly has most important significance.
如果源对象生存期超出了侦听器的对象生存期，则常规事件模式会导致内存泄漏：侦听器保持活动状态的时间比预期要长。
Whenever the source object lifetime extends beyond the object lifetime of the listener, the normal event pattern leads to a memory leak: the listener is kept alive longer than intended.
它有助于保持日常活动日志或你甚至可以穿心率监测器，计算消耗的热量。
It helps to keep a daily activity journal or you could even wear a heart rate monitor that calculates calories burned.
它有助于保持日常活动日志或你甚至可以穿心率监测器，计算消耗的热量。
It helps to keep a daily activity journal or you could even wear a heart rate monitor that calculates calories burned.
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