how to read rdf files

While_read_line Real 0m11.612s User 0m4.031s SYS 0m4.956s Method 3: function while_read_line_fd Real 0m5.853s User 0m3.536s SYS 0m1.469s Method 4: function For_in_file Real 0m5.153s User 0m3.335s SYS 0m1.593s Here's how to sort each method by speed. Copy Code code as follows: Real 0m5.153s Methods 4 (For loop method) Real 0m5.689s methods 1 (while algorithm) Real 0m5.853s Methods 3 (identifier method) Real 0m11.612s Methods 2 (Piping metho

Description Http://www.codeproject.com/KB/database/ReadTextFile.aspx? Display = print We occasionally try to read and process data from the local file (.txt,.csv,. Tab. The most common method is to use streamreader (. NET) to read files row by row. Suppose we can read files

In I/O processing, file operations are the most common. JScript can read the file content through FSO or through ADODB. Stream to complete the task. Both objects are standard components of the system. Unless the host space is disabled, it can be used smoothly. An example of using ADODB. Stream/FSO to read files is as follows. The former only supports

Reprinted from: Kernel read process for seq_file files Thank you for that. 1 problem Seq_file simply adds kernel buffering to the normal file read, which enables sequential traversal of a simple interface to read large amounts of data. Seq_file generally only provides read-

Label:Very large files We use normal file read way are very slow, and in Java provides me with the Randomaccessfile function, can quickly read large files and do not feel the card oh, below to see a demo instance of me. Server log files tend to reach more than 400 m, simple

Compiled a few ways to read files in PHP, convenient for later review.1.fread　　string fread (int $handle, int $length)Fread () reads up to length bytes from a file pointed to by handle. The function stops reading the file when it has read up to the maximum length of bytes, or when it reaches EOF, or (for a network stream) when a package is available, or when 8,19

Original URL: http://blog.csdn.net/lightlater/article/details/6364931Summary:The use of C + + read and write binary files, in the development of more frequent operation, today was fortunate to find an article, then carried out a number of experiments, and carried out a part of the summary.The use of C + + operation files is more frequent in the development proces

Read and write operation of files under Linux (openreadwrite) turn http://www.2cto.com/os/201403/285837.html open (opens file)Correlation function Read,write,fcntl,close,link,stat,umask,unlink,fopenTable header file #include #include #include Defines the function int open (const char * pathname, int flags);int open (const char * pat

FS. Read(fd, buffer, offset, length, position, callback)The parameters use the following instructions: FD -The file descriptor returned by the Fs.open () method. Buffer-buffers for data writes. Offset-The write offsets of the buffer write. length -the number of bytes to read from the file. position -The starting position of the file read