eval函数允许字符串代码的运行时计算。
The eval function permits the run-time evaluation of a string of code.
新的最大尺寸功能允许字符串扩展到超过SQLServer 2000的8,000字节限制。
The new Max size functionality allows strings to extend beyond the 8,000 byte limit of SQL Server 2000.
[CDATA[与相应的 ]]>允许我们在其中填写任意字符，包括脚本中的 "" 与 。
[CDATA[ and corresponding ]]> allows us to use any characters, including "" and , in the script.
您可能需要允许用户将可能有害的字符输入到文本框中。
You may need to allow the user to enter potentially injurious characters into a textbox.
更好的方法是识别可允许的字符并仅允许那些字符。
A better approach is to identify the allowable characters and allow only those characters.
CDATA(字符数据)区域被解析器视为数据块，从而允许您在数据流中包含任意字符。
CDATA (character data) sections are treated as a block of data by the parser, allowing you to include any character in the data stream.
有以下两种基本的验证方法：禁止棘手字符或者仅允许少量的必需字符。
There are two basic approaches to validation: disallow troublesome characters or only allow a small number of required characters.
举个补偿SQL限制的例子，考虑联邦服务器可能允许使用大于其他远程数据源所允许的长度的字符串。
As an example of compensating for SQL limits, consider that the federated server might allow the use of larger character strings than other remote data sources allow.
白名单：这种替代方法列出所有允许的字符并从输入中移除所有其它的字符。
Whitelisting: This alternative lists all the allowed characters and removes all other characters from the input.
IRI是一个允许包含非ascii字符的URI。
An IRI is essentially a URI that is allowed to contain non-ASCII characters.
另外，不要允许存在NUL字符；有些shell不会将其作为命令输入进行处理。
In addition, don't allow NUL characters through at all; some shells don't handle it well as command input.
因此，这个过滤器只允许数值char，而会丢弃换行字符。
Thus, the filter only allows in chars that are numeric digits, discarding the newline characters.
此外，每个应用程序要建立不同的用户ID和密码要求(如密码允许的字符数和类型)。
In addition, each application established different user ID and password requirements (such as the number and type of characters for allowed passwords).
J FormattedTextField组件，它让开发人员限制文本组件中允许的字符集。
A JFormattedTextField component that lets developers restrict the set of characters allowed in a text component.
c——允许我们指定字符而不是域。
请注意继续字符(\)；该字符可允许代码运行到下一行。
Notice the continuation character (\); it allows the code to run to the next line.
它允许您将系统错误消息作为字符串进行访问。
It allows you to access the system error message as a string.
我未涉及几个细微差别；例如语法中允许非常严格的字符集，因此您必须小心转义这些范围以外的任何字符。
I did not cover a few nuances; for example, a very strict set of characters is allowed in the syntax, and you must be careful to escape any characters outside these ranges.
不允许使用空格或者其他特殊字符。
这就允许16位编码字符能够被用来书写大多数商业上最重要的语言。
This allows 16-bit coding characters to be used for writing most commercially important languages.
这允许将开头和结尾引号字符用作转义机制。
This allows starting and ending quote characters to be used as an escape mechanism.
由于这种想法，开发人员可能允许输入任何字符作为密码。
With this in mind a developer may want to let any character be fair game for a password.
数据清理的soa上下文允许对各个请求字符串进行标准化和匹配。
The SOA context for data cleansing allows for standardization and matching of individual request strings.
JDBC 4.0允许通过字符串、读取程序和写入程序流或者jaxp源和结果而访问XML数据。
JDBC 4.0 allows the XML data to be accessed through strings, reader and writer streams, or JAXP sources and results.
这将允许使用简单的字符串替换来创建基于用户名的服务url。
This allows us to use simple string substitution to create a service URL based on a username.
动态模型(缺省值)允许编程人员通过名称(字符串)获得和设置数据图中的数据元素。
The dynamic model (the default) lets programmers get and set data elements in the data graph by name (String).
最常见的陷阱是错误地包含了控制字符（XML标准不允许使用控制字符）而不是实体。
The most common pitfall is the erroneous inclusion of control characters (which are not allowed by the XML standard) instead of entities.
最常见的陷阱是错误地包含了控制字符（XML标准不允许使用控制字符）而不是实体。
The most common pitfall is the erroneous inclusion of control characters (which are not allowed by the XML standard) instead of entities.
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