输出无效的用户和密码(第21行到第26行)。
为此，可以将配置管理器队列管理器值的SYSTEM. BKR . CONFIG通道的MCA通道用户ID设置为无效的用户id值。
For this, you can set the MCA channel user id of the SYSTEM.BKR.CONFIG channel of configuration manager queue manager value to an invalid user id value.
我们需要忍受SimpleDB的分布式特性，这意味着我们有时会得到无效的用户(例如在没有推出用户但推出了引用该用户的行的时候)。
We need to live with the distributed nature of SimpleDB, which means we will have invalid users sometimes (such as when the user has not been pushed out but the row that refers to that user has).
如果用户选择删除，所选择的这组约会在记录存储中被标记为无效。
If the user chooses to delete, the set of selected appointments is marked as invalid in the record store.
您可能会把这些问题看成是用户错误，因此不予理会；您应该抵制诱惑，并着手处理无效的表单提交。
While you may be tempted to write off these problems as user error, you should resist the temptation and plan on handling invalid form submissions gracefully.
考虑用户对UI可能执行的所有动作，例如单击错误的位置或输入无效的值、重音字符或不常见的字符。
Consider all the other things a user might do with the UI, such as clicking the wrong points or entering invalid values, accented characters, or unusual characters.
最后的结果是程序员不能确定输入何时无效，也不能确定是什么打断了和用户及数据本身的隐式的约定。
The end result is that the programmer cannot determine when the input is invalid, which breaks an implicit contract with users and the data itself.
即使在调用服务器之前检验数据，其他用户所做的修改也可能导致原来正确的数据无效。
Even if data is validated before calling the server, changes brought by other users might invalidate your previously correct data.
这意味着，如果一个用户提交一个含有已用过的密钥的表单，则该表单提交操作将被视为无效。
This means that if a user submits a form with a key that has already been used, the form submission will be considered invalid.
在使用无效url映射的情况下，用户也被定向到缺省虚拟门户。
In the case that an invalid URL mapping is used, the user is also directed to the default virtual portal.
在返回信息时，服务器程序会传递te01w01中的名称或消息(如果用户标识无效)。
On return, the server program passes the name and a message (if the userid is invalid) in TE01W01.
对于使用无效url映射的情况，也会将用户定向到该“缺省”虚拟门户。
In the case that an invalid URL mapping had been used, the user is directed to that "default" virtual portal as well.
用户可能把无效的信息输入到一个设计得很差的表单。
Users could enter invalid information into a poorly designed form. Some design points to ponder.
这将是当用户试图用无效凭证登录时所显示的页面。
This will be the page which is displayed when a user attempts to log in with invalid credentials. It can be as simple as Listing 8
现在，还有一个问题就是不能防止用户输入无效的值，例如 “42”或者 “bleh”。
Now, the problem here is that there's nothing preventing a user from entering a nonsense value, such as "42" or "bleh."
例如，如果用户拥有一些特定种类的收入或费用，那么1040ez纳税单是无效的。
For example, a 1040ez tax form is invalid if a user has certain kinds of income or expenses.
这个测试类包含两个测试：一个是鉴定一个无效用户，另一个是鉴定一个有效的用户。
The test class contains two tests: one to authenticate a valid user and another to authenticate an invalid user.
如果用户输入无效的数据片段，应用程序可立即提示用户，在用户提交页面之前改正问题。
If the user enters an invalid piece of data, the application can immediately prompt the user to correct it before he submits the page.
在用户选择的新闻类型无效的情况下，模型将返回一个错误代码，而不是返回标题。
In case the user's choice of news type was invalid, the model would return an error code, rather than the headlines.
您可能希望将无效文字直接转发给存储库，并假设用户希望使用存储库对无效文字的特殊处理，但是不应该这样做。
It's tempting to simply pass invalid literals forward to the repository, assuming that the user wanted to use the repository's special behavior for that literal, but you should not do this.
如果我们现在认为速度是最主要的问题，那么用户对索引页面上无效说明的忍耐力也将成为影响用户体验的因素。
If speed is now supposedly the issue, then the patience of user's when faced with poor or useless descriptive text for indexable pages will also surely become a factor.
代理的字节代码一变更，旧的用户签名就变成无效的了。
As soon as the byte codes of the agent change, the old user signature becomes invalid.
OP验证用户的身份：如果用户没有登录或者用户会话无效，就要求用户提供登录凭证。
OP authenticates user: If the user is not logged in or has an invalid session, he is asked to provide his login credentials.
令人不快的是，它没有提供任何有用的反馈信息，告诉用户提交的数据无效、哪个字段的数据无效或者如何解决。
Annoyingly, it does not provide any useful feedback to the users telling them that it did not submit the invalid data, what field contained invalid data, or how they can fix it.
在外部安全设施中创建一个新的用户ID，并使这个用户ID无效，使之不能被使用。
Create a new user id in your external security facility and mark this user id as invalid so that it cannot be used.
当涉及XML时，用户经常在字段中填充错误的数据，或试图使用仍然无效的数据跳过验证。
And, when it comes to XML, users are notorious for stuffing the wrong data into a field or managing to fly by your validation with still-invalid data.
这意味着越狱手机的用户可能无法体验软件改进，而且还要承受保修无效的风险。
That means owners of such phones might not be able to take advantage of software improvements, and they still run the risk of voiding their warranty.
如果能在早期就确定参数(或者任意参与进来的工件)的无效性，就能够节省用户的时间并保持工件的完整性。
If the parameters (or any of the participating artifacts) can be determined to be invalid early, this can save user time and preserve artifact integrity.
命令bean被实例化，trycatch块被用于捕捉由于重复的用户、无效的信用卡或未经认证的信用卡而产生的异常。
The command bean is instantiated and a try catch block is used to catch exceptions generated from a duplicate user, an invalid credit card, or an unauthorized credit card.
最后，为每个控制器创建一个称为invalid的操作，并使用这个方法通知用户提交的表单无效。
Finally, create an action for each controller called invalid and use the method to inform the user that their form submission was invalid.
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