For the purposes of this article, the final parameter, userdata, is not necessary.
就本文的目的来说，最后一个参数userdata是不需要的。
The final parameter that needs to be generated dynamically is the value for FlashVars.
最后需要动态生成的参数是FlashVars的值。
The final parameter, when set to true, requests an asynchronous connection (thus making this Ajax).
最后一个参数如果设为true，那么将请求一个异步连接(这就是Ajax的由来)。
This is easily accomplished by using the set connections command with the name of the target connection as the final parameter.
使用setconnections命令，将目标连接名称作为最终参数，可以容易地实现这一点。
The final parameter is used for passing additional tuning parameters through to PDO or the underlying driver--more on that shortly. Here's a short sample script that connects to DB2
最后一个参数用于传递附加的调优参数到PDO或底层驱动程序 —— 后面很快会有更详细的论述。
When a group is specified, the final parameter describes where the slot will be placed within the group ordering.
当指定了编组时，最后的参数描述的是插槽在组内的次序。
Note that where the final parameter to a method is a closure, Groovy permits that you can remove it from the list of actual parameters and place it immediately after the closing parenthesis.
注意方法的最后一个参数是个闭包，在这个地方Groovy允许把它从实际参数列表中删除，并把它直接放在结束括号后面。
Note that where the final parameter to a method is a closure, Groovy permits that you can remove it from the list of actual parameters and place it immediately after the closing parenthesis.
注意方法的最后一个参数是个闭包，在这个地方Groovy允许把它从实际参数列表中删除，并把它直接放在结束括号后面。
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