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CD catalog, enter directorymkdir catalog, creating catalogsVI , create new file and edit content;I, go to editESC, exiting EditHow git diff exits: qPress the ESC key to jump to command mode, and then:: w save file but do not exit VI: W file saves

What is a runloop?From the literal point of view is the operation of the cycle, in fact, the internal is the Do-while cycle, the loop within the constant processing of various tasks (such as Source,timer,observer)One thread corresponds to a runloop,

I don't want the php file to be browsed separately. php splits the file into several files and uses include () reference during runtime. how to do this ------ solution ------------------ in index. define a constant in php, and then judge whether the

  From: http://ixdba.blog.51cto.com/2895551/583232Author:Technical Achievements I. Implementation Principles of MySQL Replication MySQL supports unidirectional, bidirectional, and asynchronous replication. One server acts as the master server

The volatile reminder compiler can change the variables that are defined later, so the compiled program reads the data directly from the variable address each time it needs to store or read the variable. Without the volatile keyword, the compiler

: w save file but do not exit VI: W file saves the modification to file and does not exit VI: w! Forced to save, do not launch VI: Wq save file and Exit VI: wq! Force the file to be saved and exit VIQ: Do not save file, Exit VI: q! Do not save file,

Cas implements single-point logon and logout (java and php clients) (transfer). in recent projects, single-point logon is required. the client includes java and php, and java has several applications, php is discuz + supesite + ucenter, required? To

Today,Mayuyu to introduce to you a very useful tool called gflags. gflags is a set of Google open-source command-line parameter resolution tool, more powerful than the getopt () function, more convenient to use,gflags It also supports reading

Original net excerpt: Http://www.cnblogs.com/yc_sunniwell/archive/2010/06/24/1764231.htmlThe volatile reminder compiler can change the variables that are defined later, so the compiled program reads the data directly from the variable address each

Before the author discussed the integration Wall and the test of the platform, there is a kind of "helper class" platform, in the author's opinion, some roads will go wider, and this kind of platform seems to walk more and more narrow, walk also

Linux is a multi-user, multi-task system. if you can run multiple programs of multiple users at the same time, many processes will inevitably be generated, and each process will have different states. Linux process status: R (TASK_RUNNING),

Ie9 cannot remember what is cookie? If you use JavaScript or PHP to set a cookie, the browser does not exit. if you exit and open it again, it is blank. there is only one PHPSESSID, but this should be temporarily added to the PHP access. however,

Project in back-end PHP has some string handler functions, or string legality detection class Web front end also need to use, do not want to write JS code alone, maintenance is very troublesome, there will be small differences may lead to new

The R, S, D, T, Z, and XLinux processes with state resolution in Linux are multi-user, multi-task systems, if you can run multiple programs of multiple users at the same time, many processes will inevitably be generated, and each process will have a

[C #] SQL Server Service monitor of WinForm (avoid starting the service at startup ), Since I have just started to write a blog and recently become lazy, I have no time to organize many projects in the past. I will first send a small tool that I

turn from:http://www.wuleba.com/23590.html[wule bar Software Station]Star name language version advantages Disadvantages★★chromium Embedded Framework (CEF) c/C + + 3.1547.14061, open source projects, Community support 1, C + + update maintenance

Public static interfaceabslistview. onscrolllistener   Android. widget. abslistview. onscrolllistener Class Overview The interface defined to implement the callback function during list or grid scrolling. Overview Constant

The configuration file of the Apache server is located in the/etc/httpd/CONF/directory. Traditionally, three configuration files are used: httpd. conf, access. conf and SRM. conf to configure the behavior of the Apache server.   Httpd. conf

Volatile reminds the compiler that the variables defined after it may change at any time. Therefore, the compiled program will directly read data from the variable address every time it needs to store or read the variable. If there is no volatile

1) AutoThis keyword is used to declare that the lifetime of a variable is automatic. Variables not defined in any class, structure, enumeration, union, or function are considered global variables, the variables defined in the function are considered