它也确保依赖项已经加载一次，且仅加载一次。
It also makes sure dependencies are loaded once and only once.
我有很多音频文件，所以我不希望它们加载一次但必要的。
I have a lot of audio files so I don't want to load them at once but as they are needed.
一个建议：在GAE内建立cron作业以便每2到3分钟加载一次您自己的网站，从而保持JVM活跃。
One tip: Set up a cron job inside GAE to load your own website every 2 to 3 minutes to keep the JVM active.
如果不同的参考列属于同一表，那么参考表仅加载一次，并且会在InfoSphereDataStage任务中进行拷贝。
If the different reference columns belong to the same table, then the reference table is only loaded once and is then copied within the InfoSphere DataStage job.
要想仅当页面最初被请求时填充控件，需要使用页面的 IsPostBack 属性，以确保页面只加载一次，而不是页面刷新或者重载。
You want to populate the control only when the page is initially requested, so you use the page's IsPostBack property to ensure that it's loaded only once, not when the page is refreshed or reloaded.
在证书加载时，这个密码只会请求一次，这样它就可以进行解密并保存到内存中了。
The password is only requested once when the certificate is loaded so that it can be decrypted and stored in memory.
但是要记住，如果要把很大的XML文档一次加载到内存中，则取得灵活性的代价相当高昂。
Remember, however, that flexibility comes at a price if you load a large XML document into memory all at once.
访问这个php页面一次，便会加载用来将此页呈现到缓存内的所有php代码。
Visiting this page once loads all the PHP code used to render the page into the cache.
您可以一次加载多个转储文件，然后进行比较。
如果有几个小程序，可以一次将它们全部加载，然后在开始运行时使用不同的入口点来运行程序，而不用重新执行整个加载过程。
If you have a few small programs, you could load them all at once, then use different entries when starting a run to run different programs without redoing the whole load process.
当然，不同时刻执行应用程序可能加载不同的路径，所以一次执行的列表可能并不完整。
Of course, different executions of your application may take different paths, so the list from one execution may not be complete.
关闭应用程序后重新运行一次。加载应用程序时，您将发现ECO已经自动地存储了对象。
Close the application and then run it again - you'll see that ECO automatically restores the objects when the application loads.
这十分关键，因为SPU一次只能加载16字节，并对齐到16字节的边界。
This is critical, as the SPU can only load exactly 16 bytes at a time, aligned to exactly a 16-byte boundary.
如果你需要一次性加载上百个节点，那么你需要使用EC2。
If you need to launch hundreds of nodes at a time, you pretty much have to use EC2.
这一次，我对用户加载到contentview的web页面使用了两个XPath表达式。
This time I use two XPath expressions on the Web page loaded by the user into the contentview.
如果被关联的类是final的，Hibernate会一次加载所有内容，这对性能会有影响。
If your associated classes are final, Hibernate has to eagerly load all of them, which hurts performance.
如果您实施了本文介绍的便捷方法，就能使您的Web应用程序在应用程序运行时期间仅加载下拉列表项一次。
If you implement the quick and easy approach I've described, you can make your Web application load drop-down list items just once for the duration of the application's runtime.
该目录中的各个.dem文件演示了各个函数，all . dem将它们一次全部加载。
Individual.dem files in this directory demonstrate individual functions, and all.dem loads them all one at a time.
然而，InfoScreen只需要每隔60秒进行一次更新(当它刚启动的时候，会对数据作一次完整的加载)。
However, the InfoScreen only needs an update every 60 seconds (as well as a full load of data when it is started up).
这个窗口(参见图1)出现在您工作台的底部(第一次加载会花一点时间)。
The view (see Figure 1) appears at the bottom of your workspace (it takes a little time to load the first time).
在使用上述任一方法时都要关闭缓存，因为批量加载一般是一次性任务。
Turn off caching using any of the above mentioned methods because bulk loading is usually a one-off task.
SPU实际上会从一个双字对齐的边界开始一次加载两条指令。
The SPU actually loads two instructions at a time from a doubleword-aligned boundary.
更改页面、重新加载并反复按按钮，您将发现文本字段每一次都会相应地进行更新。
If you make the changes to the page, reload, and press the button repeatedly, you'll see that the text field is updated each time.
打开时，它将报告各种JNI事件，比如，本地库何时加载，方法何时弹回；再一次强调，在不同JVM版本中，输出会发生变化。
When turned on, it will report various JNI events, such as when native libraries are loaded and methods are bound; again, the output can vary from one release or JVM to another.
这就是第一次加载应用程序时所显示的窗体。
This is the form that's displayed when the application is first loaded.
比如，第一次加载页面时，按钮都是灰色的。
For example, when the page first loads, they are both grayed out.
页面也没有必要一次将所有的动态展示内容都一次加载，这样会增加页面载入的负载。
This extra content also adds unnecessarily to the page weight of the initial load.
修改后的方法可以加载许多类型不同的对象，因为他们需要在同一个会话中加载，保证了对象的标识加载了不止一次。
The revised method can load as many different types of objects as it needs to in the same session, which guarantees the identity of objects loaded more than once
只加载本地对象一次，重用它来避免额外的昂贵jdni查找，这不失为一个好方法。
It is good practice to load the home object once and reuse it to avoid additional expensive JNDI lookups.
只加载本地对象一次，重用它来避免额外的昂贵jdni查找，这不失为一个好方法。
It is good practice to load the home object once and reuse it to avoid additional expensive JNDI lookups.
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