UNIX awk User Manual (version 2)
Chi zhonglong
Author's words:
The UNIX awk User Manual was my work a few months ago. Looking back, this article is really rough, because I was too busy writing and uploading this work, without a good check on the
Before in the http://shukuiyan.iteye.com/blog/507915 article has already described this problem, but in the last written examination actually met this knowledge point, but also did wrong, embarrassed! The Apprentice is not fine. The topic is
This article is to introduce PHP common string regular substitution and split function comparison, in PHP string regular replacement is probably: Str_replace, Str_ireplace, Substr_replace, Preg_replace, Preg_match, Preg_match_all, Preg_quote,
This article has sorted out some of the more useful on the Python split file method, the method is very simple and practical. Share to everyone for your reference. Specifically as follows:
Example 1 specifies the split file size
Configuration file
Let's face the reality: bad habits are hard to change. However, the habits you are already familiar with may be more difficult to overcome. Sometimes, you may have to review some things. I didn't expect it to do this! . In MichaelStutz's "10 habits
The 20 good habits to be used in Unix are:
1) create a directory tree in a single command.
2) change the path. Do not move the archive.
3) combine commands with control operators.
4) exercise caution when referencing variables.
5) Use escape
[UNIX Network Programming] basic TCP socket programming and unix Network Programming
The concurrent server described in this chapter is a single customer Process Model Implemented by fork.
The following is the socket function of the basic TCP client/
Article Title: Unix uses conversion and reference to manage metacharacters. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and
Article Title: Unix uses escape and reference to manage metacharacters. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and
Unix epoch Time, also known as POSIX time/epoch time, is the total number of seconds from 0 seconds from January 1, 1970 0:0 UTC to the present, excluding leap seconds. A positive value represents 1970, and a negative value indicates before
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