You can then write advice that updates performance statistics, which can be invoked automatically whenever you enter or exit one of the join points.
然后可以编写建议，更新性能统计，而在进入或退出任何一个连接点时，都会自动调用建议。
Pearl looked as beautiful as the day, but was in one of those moods of perverse merriment which, whenever they occurred, seemed to remove her entirely out of the sphere of sympathy or human contact.
珠儿的模样如白昼一般美丽，但处于那种调皮任性的兴致之中，每当此刻，她便象完全脱离了人性的共鸣与交往的范围。
A project can have more than one of these properties, which can be added whenever the site is moved.
一个项目可以有多个这种属性，当站点移动时可以添加。
Whenever you can do something in two ways, consider the conditions under which you prefer one alternative.
如果两种方式都可行，就要考虑哪一种更好一些。
Whenever I met one of them who seemed to me at all clear-sighted, I tried the experiment of showing him my Drawing Number One, which I have always kept.
每次当我遇见一个看起来头脑比较清晰的人，我就会将自己保留的1号作品拿给他们看，以做测试。
Whenever they met, the two eldest, who were twins, used to quarrel about which one of them should be his father's heir.
两个大的是一对双胞胎，他们每次碰到一起都要争论谁才是父亲的财产继承人。
So, among Whenever, Delayed_job, Sidekiq, Resque Scheduler & co. with which one (or combination of ones) should I go for this kind of task (long-running process with several mailing)?
我应该去哪一个（或多个组合的）这种任务（长时间运行的过程与几个邮件）？
This class describes an exception that is thrown whenever an operation is performed which requires a scheduler to be attached to the current context and one is not.
此类描述每当需要一个计划程序来附加到当前的上下文来执行操作，而实际并未如此时引发的异常。
Whenever I met one of them who seemed to me at all clear-sighted , I tried the experiment of showing him my Drawing Number One, which I have always kept.
无论何时，每当我遇到一个看起来头脑清楚的人，我就拿出一直保存着的一号作品给他看。
The man sat down very pompously. Whenever he asked a question, each one tried to outdo the others in answering him, which prompted him to hold up his hand and say, "One person answering is enough."
那男人大剌剌地坐了，第问句话，大家殷勤抢答，引得他把手一拦道：“一个人讲话够了。”
The man sat down very pompously. Whenever he asked a question, each one tried to outdo the others in answering him, which prompted him to hold up his hand and say, "One person answering is enough."
那男人大剌剌地坐了，第问句话，大家殷勤抢答，引得他把手一拦道：“一个人讲话够了。”
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