An empty function as a placeholder for the code that will actually perform the desired work.
一个空的函数，它作为实际执行所需工作的代码的占位代码。
Conclusions in normal people, with the increase of age, left atrium size, pressure and reserve function increase, and the passive empty function is reduced in aged people.
结论正常人中老年组较青年组左房扩大，心房内压力和储存功能增加，心房内血流速度及被动排空功能下降。
Calling abort on a successfully completed request won't do anything and onreadystatechange is set to an empty function just in case the browser gets a delayed response for an old request.
在成功完成了的请求上调用abort不起任何作用，并且仅当浏览器收到一个对旧请求的延时响应的情况下，onreadystatechange才被设置为一个空函数。
If he just presses Enter, the read_line function will return an empty string, and such input is taken as an indication that the user wants to go on.
如果他只是按下了回车，read_line函数将返回一个空字符串，这样的输入会被认为是一种用户希望继续进行检索的暗示。
The server's response to this request does not echo any data, so the jQuery response function is empty (and could actually have been removed).
服务器对该请求的响应不会回传任何数据，因此jQuery 响应函数为空（并且实际上可以被移除）。
The call to the preg_replace() function replaces the dollar sign, any whitespace, and every comma with the empty string, yielding what's supposed to be an integer.
调用 preg_replace()函数将用空字符串替换美元符号、所有空格和每个逗号，生成认为是整数的内容。
Each of the inputs to the function should be validated and your requirements should determine the responses to null or empty string inputs.
应验证函数的每个输入并且应由您的要求来确定如何响应null或空的字符串输入。
This function creates an empty document instance and then reads in Listing 1 (labels.xml) using the load function.
该函数创建一个空文档实例，然后使用load函数读入清单1 (labels . xml)。
The second thing to note is that the form_submit function, which takes the same three arguments, has an empty string for the field name.
第二点需要注意的是form_submit函数，该函数也接受同样的三个参数，并具有一个针对字段名的空白字符串。
If the argument is an empty sequence, fn: string (seq) will return a zero-length string, but the other function returns an empty sequence.
如果参数是空序列，fn：string (seq)将返回长度为零的字符串，另一个函数则返回空白序列。
In Listing 2, the function allocates a piece of memory containing a buffer and initializes its entries to indicate an empty abstract buffer.
在清单2中，该函数分配了包含一个Buffer的内存块，并初始化它的条目以指明它是一个空抽象缓冲区。
The DB2 z/OS LOAD utility, when run with the REPLACE function, would empty the entire table space.
在运行REPLACE函数时，DB2z/OSLOAD实用程序会清空整个表空间。
Note that the varlist function can be a little tricky because it must take a regular expression (an empty string will NOT work).
varlist可能有点麻烦，因为它必须采用正则表达式(空字符串是绝对无效的)。
Coding a function to create an empty database is a good example of a small, single-function routine.
编写创建空数据库的函数是演示小型单一功能例程的好例子。
If set to an empty string, the function enumerates one font in each available typeface name.
如果设置一个空字符串，函数在每个可用的字体名称中枚举一种字体。
It USES the FastLoad utility and provides the function of loading bulk data into an empty database table.
它使用FastLoad实用工具并提供了将批量数据加载到空数据库表中的功能。
The XMLEXISTS is a Boolean function that takes an XPath expression as input and returns FALSE if the XPath expression returns an empty sequence and TRUE otherwise.
XMLEXISTS是一个Boolean函数，它接受一个XPath表达式作为输入；如果这个XPath表达式返回空序列，它会返回FALSE，否则返回TRUE。
The empty parentheses after the name indicate that this function doesn't take any arguments.
函数名后面的括号是空的，意思是这个函数不需要参数。
In this case the starting value is returned for an empty sequence, and the function is first applied to the starting value and the first sequence item, then to the result and the next item, and so on.
如果序列是空的，就返回初始值，否则函数会先接收初始值和序列的第一个元素，然后是返回值和下一个元素，依此类推。
Meanwhile, because historiography lose its value and function of practical, literature seems empty and has no thing, the trend of China's traditional academic class appeared to decline.
同时，由于史学丧失了史义与经世的功能，文学又显得空疏无物，中国传统学术门类也出现了衰落的趋势。
The call operator is a pair of parentheses that encloses a (possibly empty) list of arguments that we pass to the function.
调用操作符是一对圆括号，括住传递给函数的实参列表（可能为空）。
The latter one ignores the importance of practice. Paying no attention to the function of practice will only lead to empty words.
后者则忽视了实践的重要，无视实践的作用，这将会导致空洞的言语。
Methods Judge digestive tract function by examining expiratory hydrogen concentration change during empty stomach and after eating different substrate.
方法采用不同底物试餐测定空腹和试餐后呼气氢浓度动态变化，判断消化道功能状态。
It is a very common error to read code with include, or require, functions, or another file access function, and have Spaces or empty lines that are output before header is called.
这是一个非常常见的错误与包括阅读代码，或者要求，功能，或另一个文件访问功能，前有空格或空行输出标题。
A conversion function must be a member function. The function may not specify a return type, and the parameter list must be empty.
转换函数必须是成员函数，不能指定返回类型，并且形参表必须为空。
For them, an empty condo is a store of value, much like gold, another asset that performs no practical function besides retaining its worth.
对他们来说，空置的房子可以存储价值，就像黄金，除了保留了它的价值以外没有实际功能。
A function definition specifies four elements: the return type, the function name, a (possibly empty) parameter list enclosed in parentheses, and the function body.
定义函数必须指定4个元素：返回类型、函数名、圆括号内的形参表(可能为空)和函数体。
Moreover, Backbone leaves the render function of the View class empty, so it's up to you to implement (and even call it) when you need.
此外，骨干叶子的渲染功能视图类空，所以由你来实现(甚至称之为)当你需要。
Spectrum sensing technology is a key component of cognitive radio whose function is to find out the empty frequency bands quickly and reliably.
频谱检测是感知无线电的关键技术之一，要求感知用户可靠、快速地检测频谱空洞。
Spectrum sensing technology is a key component of cognitive radio whose function is to find out the empty frequency bands quickly and reliably.
频谱检测是感知无线电的关键技术之一，要求感知用户可靠、快速地检测频谱空洞。
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