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1, CENTOS6, CENTOS7 after the installation of the corresponding file comparison Centos6 Centos7 Note Configuration file /etc/httpd/conf/httpd.conf/etc/httpd/conf.d/*.conf

1, VI of the basic conceptBasically, vi can be divided into three states, namely command mode, insert mode (and bottom line mode), and the function of each mode is as follows:1) command-line modeControls the movement of the screen cursor, the

Vim Editor: Full-screen editor: VIM Vi:visual interface Sed: line Editor VI, VI improved Vim: Pattern: Edit mode: Command mode Input mode: Last-line mode: Edit mode--Input mode: I:insert, A:append, O:new Line, I: The beginning of the line A: End of

1, summarize the text editing tool vim use method; Full-screen editor: VIM Vi:visual interface Sed: line Editor VI, VI improved Vim: Pattern: Edit mode: Command mode Input mode: Last-line mode: Edit mode--Input mode: I:insert, A:append, O:new Line,

Friendly reminder: This blog is involved in the content of the system practices involved in the implementation of Centos6.5, Gnu/linux referred to as linux,gnu/grep abbreviation for the grep,gnu/sed abbreviation for the Sed,gnu/gawk abbreviation for

In Java, the string class contains more than 50 methods to implement various operations of a string. A string variable must be initialized before it can be used, and if the declaration is assigned a value of NULL, the value of the declared string is

Linux Fundamentals-Basic concepts and simple commandsBefore learning Linux, in order to better understand Linux and master Linux individuals think should have the condition:1. Computer introduction and hardware related knowledge.2. Establishment of

　　Keyboard blind Practice software which is the best blind to play software list recommended Blind definition: A blind call is when you are typing on a computer without looking at the keyboard. Blind Play is the basic requirements of typists, to

What is regexp in ASP ' Name character test The following are the referenced contents:Public Function CheckName (STR)Checkname=trueDim Rep,passSet Rep=new RegExp ' establishes regular expressions.Rep.global=true ' Sets global

Summary: Basics of the CentOS 6.5 MySQL database and in-depth explanationsOriginal: http://tanxw.blog.51cto.com/4309543/1395539ObjectiveEarly MySQL AB was sold to Sun for $1 billion in 2009, but unfortunately sun was acquired by Oracle in 2010, and

---restore content starts---1. Purpose of the database: Write data and read data2. The life cycle of the query statement:(1) MySQL server listening 3306 port (2) Authenticated access User (3) Create MySQL thread(4) Check memory (Qcache)(5) Parse SQL

Linux relational database interpretation and MySQL basic command detailed1.RDBMS: relational database, such as the following function:Database creation, deletion, modificationCreate a table, delete a table, modify a tableCreation, deletion of

Instructions for using VimVim is a rich and powerful text editor, and Vim is a text editor developed from VI. Its code completion, compilation and error jump and other convenient programming features are particularly rich, in the programmer is

Cat:concatenate text File Viewing toolCat [option] filename ...-N: Add numbers to the displayed lines of text-B: Non-empty line number-V: Show ^-E: Display line terminator $-T: Show tabs-A: Displays all the control characters-a=-vet-S: Compress

1, summarize the text editing tool vim use method; Full-screen editor: VIM Vi:visual interface Sed: line Editor VI, VI improved Vim: Pattern: Edit mode: Command mode Input mode: Last-line mode: Edit mode--Input mode: I:insert, A:append, O:new Line,

Linux OPS Practice-August 30, 2015 Course assignments 1, summarize the text editing tool vim use method; Vim: Full-screen editor; Vim's editing mode: Edit mode: Command mode; The two meanings are probably the same. Input mode, last-line mode. Edit

Vim editor ASCII Vi:vim: fullscreen, patterned vim mode: Edit mode (Command mode) input mode last line mode mode conversion: edit--Inputi,a,o (o: Create a new row below the current cursor line and switch to input mode)I,a,o (line at beginning, end,

Scws is a very good Chinese word thesaurus, its PHP extension can be easily processed word segmentation. Now find one of the functions scws_get_wordsfunction problem, this function is used to get the result of the participle, its second parameter

A successful development team requires each member of the team to adhere to code reuse rules that push the reusability of the code to the extreme without significantly reducing the developer's creativity and development efficiency. If the developer

When Nginx is a reverse proxy, it can cache the response from upstream to local and construct the response message directly from the local client when the same content is requested by subsequent clients.Nginx Cache Data Structure:Shared memory :