Reading data streams and writing results to streams is convenient, because the application does not have to read a large portion of the file, much less the whole file, into memory.
读取数据流并将结果写入流是很方便的，因为应用程序不一定要将文件的大部分（更不必说整个文件）读取到内存。
A file descriptor is an integer that refers to an open file or device, and it is used for reading and writing.
文件描述符是指向打开的文件或设备的整数，并用于执行读取和写入。
On a standard UNIX filesystem, you can delete a file while it's still open for reading or writing.
在标准的UNIX文件系统中，您可以在文件打开或写入的时候删除它。
The control flow has one data flow for each table, each data flow reading data from a flat file source and writing to the SQL Server database via OLEDB.
通过OLED B控制流为每一个表存在一个数据流，每一个数据流读平面文件数据，并写回sQLServer数据库。
It is needed for the file opening, closing, reading, and writing functions (fopen , fclose , fgets , getc , and so on), for the printf family of functions, and for the setvbuf function.
文件的打开、关闭、读和写函数(fopen 、fclose 、fgets 、getc等等)、printf函数系列和setvbuf函数都需要它。
You do so via the seek method, which takes a single parameter that indicates where in the file you want to start reading or writing (for example, zero indicates the start of the file).
回到开头要通过seek方法进行，它接受一个参数，表示要从文件中的什么位置开始读取或写入(例如，0代表文件开头)。
They do offer fascinating possibilities, for instance writing/reading a file handle could write/read directly to a database, or send an e-mail when you close the file.
但它确实能够让人神往，例如，通过写／读文件句柄，可以直接写／读数据库，或者在关闭文件时发送一封电子邮件。
Coming up we'll look at memory mapping, how file reading and writing ties into all this and what memory usage figures mean.
进而我们会看看内存映射原理、与之相关的文件读写机制以及内存使用情况图表所揭示的含义。
Figure 3 shows a user app reading from the MQ queue and writing to a user file or user table.
图3显示一个用户应用程序读取MQ队列，并写入用户文件或用户表。
The first two involve the use of the supplied DASes, which presuppose you are probably going to be reading from and writing to a relational database or an XML file.
前两种方法使用现成的DAS，以可能要读取或写入数据库或XML文件为前提。
Reading in a file, finding a substring, and writing it out to a catalog.
在一个文件中阅读，找到一个子字符串，并把它写出来一个目录。
Open for reading and writing; place the file pointer at the beginning of the file and truncate the file to zero length.
打开阅读和写作，放置在文件的开头文件指针并截断该文件的长度为零。
Create and open for reading and writing; place the file pointer at the beginning of the file.
创建并打开阅读和写作，放置在文件的开头文件指针。
Open for reading and writing; place the file pointer at the beginning of the file.
打开阅读和写作，在文件的开始位置文件指针。
Open for reading and writing; place the file pointer at the end of the file.
打开阅读和写作，在文件结尾处的文件指针。
This avoids file system operations for reading and writing session data, which improves performance when large amount of data is stored in PHP session.
这就避免了文件的阅读和写作部分数据，从而提高性能时，大量的数据是存储在PHP会议系统操作。
I could have very well assumed subconsciously as a hard fact that I can transition between reading and writing on an existing file opened it update mode, just like that.
我可以很好地作为一个假定事实，我可以阅读和写作打开现有的一个文件的更新模式之间的过渡，就这样。
I graduated from English specialty. Be provided with stronger ability of hearing, speaking, reading and writing. I could speak with purity American English. Smooth read English technique text file.
出身于英语专业，具备较强的英文听说读写能力，美语发音纯正，顺畅阅读英文技术文档。
To be exact, in the second program, in contrast to reading to middle of file as in first program, here I read to the end of file, and then start writing there.
要准确，第二程序，在对比阅读中的第一个程序文件中，在这里我读到文件末尾，然后开始写在这里写的是成功的。
What function can you use to open a file for reading and writing?
下面那个函数你能打开文件以读和写？
Now the program thinks it's reading and writing from the first file, but in fact it's operating on the second file.
现在程序认为读取并写入在第一个的文件中，但实际上它的第二个文件上运行。
If this flag is not specified, any request to open the file for reading or writing (by this process or another process) will fail until the file is closed.
如果未指定这个旗标，任何要开启档案以进行读取或写入的要求(由这个处理序或其他处理序)将会失败，直到关闭档案。
You can fool around with setting the correct headers, and reading/writing the file efficiently to the response stream yourself, but it's usually much better to use this function instead.
你可以通过设置正确的header和有效率地读/写文件来反馈数据流，但是通常最好的做法是用这个函数来代替它。
Firstly, a platform of image procession is created, in which some basic functions are provided, such as reading and writing image file, image format conversion, image data separation and combination.
首先搭建了图像处理平台，编写了一些基础底层函数，如图像文件的读写、图像格式转换、图像数据的分离与合成。
For compatibility reasons, a file opened for both reading and writing will result in a warning but not an error.
出于兼容性的考虑，文件按读写方式打开文件会引发一条警告而非一条错误。
Allows subsequent opening of the file for reading or writing.
允许随后打开文件读取或写入。
When reading from or writing to files, improperly matching file encodings may result in exceptions or incorrect results.
读取或写入文件时，未正确匹配文件编码的情况可能会导致发生异常或产生不正确的结果。
The functions and procedures encapsulated by Tinifile and Tregistry Class of Delphi are used to realize the dynamic reading and writing for ini file and register table.
利用Delphi中的Tinifile类和Tregistry类封装的各种函数和过程实现对ini文件和注册表的动态读写。
The functions and procedures encapsulated by Tinifile and Tregistry Class of Delphi are used to realize the dynamic reading and writing for ini file and register table.
利用Delphi中的Tinifile类和Tregistry类封装的各种函数和过程实现对ini文件和注册表的动态读写。
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