Directly Remove Sol demonstrates handling a transaction in the Web tier by obtaining a UserTransaction instance and using it within the Struts action.

Directly Remove Sol通过获得一个UserTransaction实例并且在Struts动作中使用它来演示在web层中处理一个事务。

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This is a departure from the usual practice of the Click and Wait paradigm, where the browser contacts the mid-tier server to download presentation content on each and every user action.

这就摈弃了传统的单击并等待范例；在传统范例中，对于每次用户操作，浏览器都会与中间层服务器进行通信来下载表示内容。

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You saw a bit of XML code to automate the deployment of a two-tier J2EE application in the IBM Cloud; the code details action creation, hooking actions to events, and event handling.

您看到了在IBM Cloud中自动部署两层的J2EE应用程序的一些XML代码；这些代码说明了如何创建动作、把动作与事件关联起来和处理事件。

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But the ring has been positioned where the stage would otherwise be, which means that the people who are at the front of the top tier may almost feel as though they are on top of the action.

BBC: man on Froch-watch

Campaign group Suffolk Action For Truth had objected to the plans saying the move to a two-tier system coincided with recent poor performance.

BBC: Suffolk middle school closures continue

One immediate action would be to throw more resources behind the Navy's so-called "third-tier" defense program based around Aegis cruisers.

CENTERFORSECURITYPOLICY: Zero Warning