linux readline

When you build a Postgresql test environment and encounter a problem during installation, execute configure The following error is reported during the process: configure: error: readline library not found. The colleague said that the system has been

 When installing postgreSQL, you may encounter a problem when executing configure The following error is reported: configure: error: readline library not found, but I installed it in the system. Readline package, 1. Environment Information 2.

In the previous article, we implemented a readn function to read fixed bytes of data to avoid the problem of sticking packets. If the length of each field in the application layer protocol is fixed, it is very convenient to use readn for reading.

In the previous article, we implemented a READN function to read fixed byte data in order to avoid the problem of sticky packets. If the length of each field in the application layer protocol is fixed, it is very convenient to read it with READN.

"Go from: Http://www.ibm.com/developerworks/cn/linux/sdk/python/python-5/index.html#N1004E" When we talk about "text processing", we usually refer to what we are dealing with. Python is easy to read the contents of a text file into a string variable

"Turn from: Http://www.ibm.com/developerworks/cn/linux/sdk/python/python-5/index.html#N1004E"When we talk about "text processing," we usually refer to what we are dealing with. Python reads the contents of a text file into a string variable that can

1. Readn and Writen　　1.1 Base Consolidation : Return values for read and write functions1.1.1 Read function prototype is: ssize_t read (int fd, void* buf, size_t count); (void * In standard C means that a pointer of any type can assign a value to it,

Recently, we need to get a CLI command interface program. The initial assumption is that we need to support History commands, and the tab key command should be completed. After reading the relevant information, I went deep into Baidu! (Google is not

1. Problem phenomenon:Download Link: http://www.postgresql.org/ftp/source/Compile and install after decompression (requires root permission)1 [email protected]:/opt/postgresql-9.3.4# tar-zxvf postgresql-9.3.4.tar.gz 2 [email

The Read () method reads the entire file and returns the entire file as a string.The ReadLine () method reads only one line at a time, one line at a time, per run. If you want to read the entire file, you need to combine loops to determine the end