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- Detailed explanation of vi command under linux
- Detailed explanation of the vi command. The vi command is a commonly used and important command under Unix. It can edit one or more files in full-screen mode. If no file is specified when vi is executed, the vi command will automatically generate an unnamed, empty working file. If the specified file does not exist, a new file will be created with the specified file name. If the modifications to the file are not saved, the vi command does not change the contents of the original file.
- PHP开发 1295 2016-12-12 16:29:13
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- Compilation of how to use vi command to modify files and save them under Linux
- vi is a screen editor provided by all UNIX systems. It provides a window device through which files can be edited.
- PHP开发 1290 2016-12-12 16:27:51
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- In-depth understanding of the implementation of jQuery.data()
- This article mainly introduces the implementation of jQuery.data(). Now I will share it with you and give you a reference. Let’s follow the editor and take a look.
- PHP开发 1214 2016-12-12 16:27:38
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- A complete list of vi and vim commands in Linux
- vi is a very common text editor under unix/linux. There are various variants of vi, and there are different variant software on different machines. Among them, vim is easier to use and more widely used. vim is the abbreviation of Vi IMproved. Represents better vi. This article will talk about some of the more useful and commonly used commands.
- PHP开发 1400 2016-12-12 16:26:24
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- A complete list of vi commands under linux
- Enter the vi command vi filename: open or create a file, and place the cursor at the beginning of the first line. vi +n filename: open the file, and place the cursor at the beginning of the nth line. vi + filename: open the file, and place the cursor at the beginning of the nth line. vi +/pattern filename at the beginning of the last line: open the file and place the cursor at the first string matching pattern vi -r filename: the system crashed when editing with vi last time, restore filename vi filename... .filename: Open multiple files and edit them in sequence
- PHP开发 1277 2016-12-12 16:24:36
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- Detailed introduction and examples of awk command and awk programming language
- Detailed introduction and examples of awk command and awk programming language
- PHP开发 1657 2016-12-12 16:22:52
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- Detailed explanation of linux awk command
- Awk is a line processor: Compared with the advantages of screen processing, there will be no memory overflow or slow processing problems when processing huge files. It is usually used to format text information. Awk processing process: Process each line in turn and then output
- PHP开发 1385 2016-12-12 16:14:30
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- Detailed explanation of awk command
- Detailed explanation of awk command Simple use: awk: perform operations on each line of the file. awk -F: '{print $1,$4}': Use ':' to split this line and print out the first and fourth fields of this line. Detailed introduction:
- PHP开发 1545 2016-12-12 16:12:16
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- AWK command usage
- The most basic function of awk is to browse and extract information based on specified rules in a file or string. It is used to divide a line into several "fields" for processing. Suitable for processing small data.
- PHP开发 1448 2016-12-12 16:02:01
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- Linux awk command
- AWK is a language for processing text files and a powerful text analysis tool. The reason why it is called AWK is because it takes the first characters of the family names of its three founders, Alfred Aho, Peter Weinberger, and Brian Kernighan.
- PHP开发 1131 2016-12-12 15:55:30
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- A simple way to match URLs with regular expressions in php
- Simple way to match URLs using regular expressions, test code provided
- PHP开发 1860 2016-12-12 15:54:49
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- Commonly used functions for PHP regular expressions
- Friends who learn PHP regular expressions have to know some functions. After reading the following article, you will know how to call regular expressions in PHP.
- PHP开发 1589 2016-12-12 15:51:16
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- Detailed explanation of linux awk command
- Awk is a powerful text analysis tool. Compared with grep search and sed editing, awk is particularly powerful when it analyzes data and generates reports. To put it simply, awk reads the file line by line, slices each line using spaces as the default delimiter, and then performs various analysis and processing on the cut parts. There are 3 different versions of awk: awk, nawk and gawk. Without special explanation, it generally refers to gawk. Gawk is the GNU version of AWK. Awk's name comes from the first letters of the surnames of its founders, Alfred Aho, Peter Weinberger and Brian Kernighan. Actually AWK's
- PHP开发 1217 2016-12-12 15:43:15
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- In-depth understanding of HTTP protocol and principle analysis of HTTPS
- In-depth understanding of HTTP protocol and principle analysis of HTTPS
- PHP开发 1296 2016-12-12 11:30:14
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- In-depth understanding of HTTP protocol and principle analysis of caching
- In-depth understanding of HTTP protocol and principle analysis of cache. The cache will save a copy of the output content according to the request, such as html page, picture, file. When the next request comes: if it is the same URL, the cache will directly use the copy to respond to the access request. Instead of sending the request again to the origin server.
- PHP开发 1095 2016-12-12 11:26:36
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