注意来自 del_timer的返回检查，它确定计时器是否还在使用。
Note the return check from del_timer, which identifies whether the timer is still in use.
捕获并检查每一个返回状态，而不是忽略它们。
Instead of ignoring status returns, capture and check each and every one.
表达式——仅检查返回表达式结果的树内容(元素值)。
Expression — Only examines tree content (element values) returning the result of the expression.
您自己可以检查返回对象的名称，对这一点进行验证。
You can confirm this yourself by checking the class name of the returned object.
所以在继续执行前，在代码中检查返回值是否为一个空句柄是非常重要的。
It is therefore important that your code checks a return value is not an empty handle before continuing execution.
当紧迫的时间稍微缓和之后，我们应该有很好的目的和计划返回来检查，但是我们却很少这样做。
We have good intentions and plan to come back after the time crunch at hand subsides, but we seldom do that.
在这两个样例中，应用程序并不考虑解析xml或检查HTTP返回代码或类似问题。工具包处理大部分的细节问题。
In both of these examples, the application isn't concerned with parsing XML or checking HTTP return codes or similar issues; the toolkits handle most of the details.
检查从已命名查询返回的结果。
它首先检查看返回给用户的内容代表一个错误对象，也就是说它返回一个错误给用户。
It first checks to see whether the content returned to the user represents a fault object, meaning that it is returning an error to the user.
当这个语句被包含到一个存储过程中后，将对已执行语句的所有返回值进行错误检查。
When this statement is included in a stored procedure, all return values of executed statements are checked for errors.
注意：要检测循环，在检测循环时，系统只会检查迭代select语句返回的结果。
Note: To detect a cycle, only the results returned by the iterative SELECT statement are checked.
检查返回值并处理异常。
PERL是驱动语言，它控制构建或部署流，检查返回的代码，用设计好的构建和部署路径执行逻辑操作。
PERL is the driving language it controls the build or deployment flow, checks return codes and based on the logic executes through a designed build and deployment path.
通过设计，蜘蛛可以周期性地返回到站点，检查新的页面和修改已有页面。
By design, a spider will return to a site periodically to check for new pages and changes to existing pages.
通过执行这种检查，可以确保返回的数据是对请求的响应，而不是对其他插件的响应。
By doing this check, you ensure that the data being returned is a response to your request and not a response to a different plug-in.
然后客户检查该返回值，确定是否与发送的值相匹配。
The client then examines the returned value to ensure that it matches the value it sent.
清单6显示了如何指定返回数据的错误检查和发出事件。
Listing 6 shows how to specify the error check of the returned data and dispatch the event.
火山上的居民再次开始逃亡。许多人返回自己的家园，检查火山爆发后的人们和他们的家畜。
Residents on the volcano started fleeing yet again. Many had returned to their homes to check on them as well as their farm animals after eruptions last week.
如果您返回零数组，该代码的客户端必须编写额外的代码来检查返回值是否为零(如清单13所示)。
If you return a null array, the clients of the code must write extra code to check whether the return value is null (as shown in Listing 13).
许多人返回自己的家园，检查火山爆发后的人们和他们的家畜。
Many had returned to their homes to check on them as well as their farm animals after eruptions last week.
为了安全起见，检查返回的对象的实例类型。
To be on the safe side, check the instance type of the returned object.
值0表示绑定操作将不等待，在检查结果之后将立即返回。
A value of 0 indicates that the bind operation will not wait and will return immediately after checking the result.
这个解析器检查返回的行和列上的元数据类型，以确保它只读取sqlxml类型的xml列。
The resolver looks at the metadata type on the returned row and column, ensuring it only reads XML columns with the SQLXML type.
高度依赖重大版本变化的应用程序，应用程序应该不返回结果或者检查重大版本变化并标记异常。
In applications that are highly dependent on major version changes, design the queries to either silently return no results or detect the major version changes and flag an exception.
这些改进源于返回去检查您的算法正在做什么，以及贯穿代码的操作。
It was all from taking a step back and thinking about exactly what your algorithm was doing, and how your actions would trickle through the code.
然后，您使用条件型if语句，以检查该命令的返回代码。
Then you use the conditional if statement to check the return code of the command.
和编辑模式一样，只需对属性执行put _ simpledb并将它们返回，而不用检查字段是否被正确修改。
Just like the editing mode, you just put_simpledb the attributes and then get them back without checking if the fields were modified correctly.
我们必须记得要检查listFiles是否返回null，然后使其变成空数组。
We must remember to check for listFiles returning null and turn that into an empty array.
身份验证提供者检查缓存服务返回的是用户的详细信息还是null。
The authentication provider checks whether the cache service returned details of the user or null.
如果证书通过了包括信任检查在内的OpenSSL的内部检查，则返回X509_V_OK。
If the certificate passed OpenSSL's internal checks, including checking for trust, then it returns X509_V_OK.
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