还了解了代码单元和基于字符的函数的概念。
You also learned about the concept of code units and character-based functions.
DB 29中基于字符的字符串函数。
通过基于字符串或动态构建的查询选择实例。
Selecting instances by string-based or dynamically constructed query.
包含数据项的属性基于字符串或整型等数据类型。
Properties that hold data items are based on data types such as a string or integer.
如果参数是基于字符的输入参数，那么在单引号中指定字面值。
If the parameter is a character-based input parameter, then you would specify the literal value surrounded in single quotes.
使用基于字符的函数可以解决将字节位置返回为字符位置的问题。
The problem of byte positions being returned for the character positions can be solved using character-based functions.
本文提供的示例使用CLOB，因为操纵基于字符的变量更容易。
This articles USES CLOB in the supplied samples because it is easier to manipulate variables that are character-based in tools.
本文还详细地介绍了基于字符形态划分的字符识别方法。
This article also detailed introduction based on character shape character recognition method.
正则表达式用来基于字符、频率和字符顺序定义字符串中的模式。
Regular expressions are used to define patterns in strings based on characters, frequency, and character order.
SQL中基于字符的数据在很多上下文中都与数值有关，如下所述
The character-based data in SQL is associated with numeric values in many contexts, as mentioned below
车牌定位部分提出了一种基于字符垂直边缘纹理特征的车牌定位法。
Number Plate location: a location scheme based on the texture features of characters is proposed.
Wikis倾向于使用简单的基于字符的标记表示结构，平衡了灵活性和便捷性。
Wikis tend to use simple character-based markup to denote structure, trading off flexibility against convenience. For example, compare the following HTML hypertext links with Wiki markup.
使用Print Writer，您现在可以输出基于字符串的内容了。
With a PrintWriter, you can now output string-based content.
使用基于字符的函数时不会发生用于构建字符的CODEUNITS分解。
The splitting of CODEUNITS used for making the character does not happen when using character-based functions.
回到命令行和基于字符的菜单时代，那时界面通常间接地为用户提供服务。
Back in the days of command lines and character-based menus, interfaces indirectly offered services to users.
本文向您简要地介绍了DB 2数据服务器中新增的基于字符的字符串函数。
This article provided you with an overview of the new character-based string functions in DB2 Data Server.
为了认定打印文件的来源，提出一种基于字符图像质量评价的打印机取证方法。
A new printer forensics method based on character image quality measures is put forward to identify the source of printed files.
为了快速准确地进行车牌定位，本文提出了一种基于字符连接特征的定位算法。
In order to locate the plate quickly and accurately, a license location method based on characters' connection is presented.
可以使用基于字符的函数来解决在locate函数中指定起始位置的问题，如图7所示。
The problem with specifying the start in the LOCATE function can be solved using the character-based functions, as shown in Figure 7.
如果在基于字符串的查询谓词周围使用双引号，而不是单引号，就会收到语法错误。
If you use double quotes around your string-based query predicate, instead of pairs of single quotes, you'll get a syntax error.
考虑在使用新的基于字符的字符串函数执行字符串操作时可能导致这一状况的常见情形。
Consider some common conditions that can cause such situations while you do string manipulation using the new character-based string functions.
我1983年就进入易用性这个领域了，我的第一个项目是大型机上的基于字符的界面。
I have worked in the usability field since 1983: my first projects were with text-only UIs on mainframe computers.
使用基于字符的字符串函数可以解决获取基于CODEUNITS的字符串长度时的问题。
The character-based string functions can be used to solve the problem of getting the length of string in terms of CODEUNITS.
它会将普通的基于字符的状态表示形式从url转换为层次结构对象表示形式(上面介绍的文档模型)。
It transforms the flat, character-based state representation from the URL into a hierarchical object representation (the document model introduced above).
这使该公司可以快速将现有的基于字符的屏幕界面转换为网页和表单，从而将Web通道用于其遗留应用程序。
This has enabled the company to quickly transform existing character-based screen as Web pages and forms and thereby use the Web channel with its legacy applications.
如果我根据数字运行一个查询，例如，SimpleD b会基于字符执行搜索，而非真正的整数值。
If I run a query based on Numbers, for example, SimpleDB will search based on characters, and not actual integer values.
与LENGTH函数不同，CHARACTER_LENGTH 只接受基于字符串的输入数据。
Unlike the LENGTH function, the CHARACTER_LENGTH does not accept input data that is not string based.
为解决车牌图像倾斜对字符分割与识别带来的不利影响，提出一种基于字符投影的车牌图像错切校正方法。
A method to remedy the negative effect arising from slant vehicle license plate's character segmentation and recognition based on character projection is presented.
第一个参数是客户机id，它是基于字符串的客户机的标识，必须对每一个连接到代理的MQTT客户机唯一。
The first of these parameters is the client id which is a string based identification for the client which must be unique to each MQTT client connecting to the broker.
因此，您可以定义一个函数，使其执行与killall相同的基于字符串的信号发送功能(请参见清单7)。
Therefore, you can define a function that performs the same string-based signaling as killall (see Listing 7).
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