否则，我们打开指定的文件进行读取。
默认情况下，lex会从标准输入进行读取。
解析器在进行读取时将检查文档的模式。
The parser checks the document against the schema as it reads.
这对于不从任何表或视图进行读取的查询是有意义的。
It's useful for queries that don't read from any tables or views.
无法打开文件进行读取。
对fortune进行读取也非常简单，如清单11所示。
Reading a fortune is just as simple, as shown in Listing 11.
下次请求该页上的数据时，就不需要再从磁盘进行读取该页。
The next time the data on that page is requested, it need not be read from disk again.
同时，图片处理应用程序占用队列，在x射线图进入后进行读取。
At the same time, the image-processing application consumes the queue, reading in the X-ray images as they are placed there.
非计算性分页是一些包含正在进行读取和写入的文件的文件数据的分页。
Non-computational pages are pages containing file data for files that are being read and written.
无法打开文件进行读取。关闭其它可能锁定该文件的应用程序。
Could not open file for reading. Close any other application that may be locking the file.
它编写数据块，然后连续地在这3个虚拟磁盘上进行读取和验证。
It writes block of data, then reads and verifies continuously on all three virtual disks.
CMP实体bean更新效率不高，因为它需要在数据库中进行读取和更新。
CMP entity bean update is not efficient because it requires a read from the database and then an update in the database.
您可以非常简单地将它指向另外一个文件；从缓冲区中进行读取稍微有些困难。
You can point it at another file quite easily; it's a bit harder to, for instance, read from a buffer.
在写完所有数据之后，关闭文件并重新打开文件进行读取，还是使用二进制模式标记。
After you've written all the data, you close the file and reopen it for reading, again using the binary mode flag.
当数据可用时，if 语句使您可以从连接进行读取，然后马上处理请求。
The if statement lets you read from the connection when data is available and process the requests immediately.
通常只需要在操作阶段写入后端系统，然后在呈现阶段从后端系统进行读取。
You should normally only write to the backend system in the action phase, and read from the backend system in the render phase.
它的功能是打开文件以便在二进制模式内读取一个文件对象，并在整个文件内进行读取。
Opens for reading a file object in binary mode and reads in the entire file.
该元素可能有单个文本子节点，可以通过将解析器前进到下一个节点来进行读取，如下所示。
This element likely has a single text node child, which you can read by advancing the parser to the next node like so.
使用标准的SQL语句和JDBCAPI来完成对数据库进行读取和写入操作。
The reading and writing on database with standard SQL sentence and JDBC API can be made.
如果您需要更多功能，请将数据作为一个无符号字符对象流进行读取，然后进行匹配。
If you need more, read the data in as a stream of unsigned char objects and do the math.
在此示例中，我们可以将信息以xml格式保存，然后使用SDOAPI进行读取。
In this example, we can save the information in XML format and then read it using SDO APIs.
如果您为产品定义了额外的客制化字段，那么可以利用这个标识符根据名称进行读取。
If your product has additional, custom fields defined, then these can be accessed by name using this tag.
您可强制stdin从文本文件、设备(比如连接到计算机的探头)或网络连接中进行读取。
You can force stdin to read from a text file, a device (say, a probe connected to the computer), or a network connection.
根据UNIX版本的不同，可能将文件的大小报告为应用程序在文件中进行读取的当前位置(偏移量)。
Depending on the flavor of UNIX, the size of the file might also be reported as the current position the application is reading in the file (offset).
如果数据可能需要被其他程序或其他硬件上的程序进行读取，那么您就需要了解有关数据可移植性的问题。
If there is a possibility that it will need to be read, either by other programs, or by your program on different hardware, you need to know about data portability.
每项工作需要大约10分钟来进行读取和实作，整个应用程序则是需要约两个小时才能完成开发。
Each task should take approximately 10 minutes to read and implement, and the entire application should take approximately two hours to develop.
它还在处理期间锁定消息，确保一条消息仅由一个读取器处理，即使多个进程在从单一队列进行读取操作。
It also locks messages during processing, which ensures that a message will only be processed by one reader, even if multiple processes are reading from a single queue.
在1.0版本的时候，PostSharp要求把程序集加载进CLR(比如，在应用程序域中)才能够进行读取。
In version 1.0, PostSharp required assemblies to be loaded in the CLR (i.e. in the application domain) to be able to read them.
这些文件和目录并不存在于磁盘中，因此当您对这些文件进行读取和写入时，实际上是在从操作系统本身获取相关信息。
The files and directories don't exist on disk, so when you're reading and writing to them, you're really getting information from the operating system itself.
这意味着，进程并不知道文件已经被删除，它仍然可以向打开该文件时提供给它的文件描述符进行读取和写入。
This means that the process doesn't know the file has been deleted; it can still read and write to the file descriptor it was granted when the file was opened.
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