The module must be loaded before method help is available.
模块必须在使用方法帮助之前加载。
You pass the before method an optional symbol and a code block.
您向before方法传递一个可选的标志和一个代码块。
I will leave the existing before method alone, and just add additional states in the new state.
我没有使用已有的before方法，只是在新状态中添加另外的状态。
My application requires three kinds of notification: set attribute value, before method invocation, and after method invocation.
这个应用程序需要三种通知：设置属性值、方法调用之前以及方法调用之后。
This method tells you all information you need to know: whether one node is descendant of an ancestor of the other, whether it is before or after, and so on.
这个方法告诉您所有想知道的信息：一个节点是否是另一个节点的祖先的后代，它是在前面还是后面呢，等等。
A problem with this dating method is that an object could have been carried around, used for several generations before it was discarded.
这种年代测定法的一个问题是，有可能某一件东西从一个地方被带到了另外的地方，且被好几代人用了之后才被埋入土中。
Before invoking this method, you have to rescale the color values into that range.
在调用此方法之前，您必须重新将颜色值调整到此范围内。
The result of the command should be set in the command before returning from this method.
从此方法返回之前，该命令的结果应该在命令中进行设置。
Before calling this method, you must prepare an input record.
在调用该方法之前，您必须准备一个输入记录。
You must first select a method before clicking the Source button.
在您点击这个按钮前必须首先选择一个方法。
Before adding actions, first add a method that will return the completed SQL to the caller.
在添加动作之前，首先要添加将向调用程序返回完整sql的方法。
With this handy feature, you can easily specify dependent methods, such as the login from above, which will execute before a desired method.
有了这个便利的特性，就可以轻松指定依赖方法。例如，前面所说的登录将在某个方法之前运行。
This method will be executed automatically by the controller before any method called by the user.
在执行用户调用的任何方法之前，控制器将自动执行这个方法。
Q: What was the method of measuring children's growth before?
问：以前儿童生长的衡量方法是什么？
A custom component must override this method to commit properties before validation happens.
定制组件必须在验证发生之前覆盖这个方法以提交属性。
For example, one method call may result in several other method calls before it returns.
例如，一个方法调用可能在它返回之前引起其它方法调用。
When the caller invokes the proxy, you're free to add any custom features you may require before invoking the real method.
当调用者调用代理时，您可以在调用真实方法前，轻松添加您需要的任何定制特性。
You need to check the arguments before proceeding with the logic of each method.
你需要在继续进行每一个程序的逻辑之前检查实参。
An aspect's functionality can be inserted into the overall flow before the object's method is called (Figure 4), or after the method (Figure 5).
在对象方法访问之前(图4)或之后(图5)，方面功能都可以嵌入到所有的流程中去。
Example 2 adds a comment before each method.
范例2在每个方法之前添加了一个注释。
The equals sign before the method body tells the compiler, as well as the human reader, where the method body begins.
方法主体前面的等于号告诉编译器函数的主体从这里开始，就像我们看到的一样。
A class invariant must hold before and after all method calls (once the object is constructed).
类在方法调用之前和之后必须保持不变(一旦对象已经构建)。
For task commands, an empty command result is set before invoking the execute method.
对于任务命令，在调用execute方法之前设置空的命令结果。
OVal also supports a means to prevalidate class members before or after a method call.
OVal也支持在方法调用前或后对类成员进行预先验证。
Finally, Rails rolls those changes back to return the database to the state that existed before the test method ran.
最后，Rails回滚这些变化，将数据库返回到测试方法运行之前的状态。
The JUnit framework runs the setUp method before each test method, so that's the logical place to do any set up that every test needs.
JUnit框架在每个测试方法之前运行setUp方法，因此这就是进行所有测试需要的任何设置的逻辑场所。
JUnit 3 test runners automatically invoke the setUp method before running each test.
JUnit3测试运行程序(test runner)会在运行每个测试之前自动调用setUp方法。
Just before the method exits, it calls Connection.close .
就在该方法退出之前调用Connection . close 。
BeforeUpdate closure gets called before the update method.
beforeUpdate在update方法执行前被调用。
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