Include for easy search and include for search
# Include // set the insertion point# Include // Character Processing# Include // defines error codes.# Include // floating point number processing# Include // file input/output# Include //
The include (), require () statement contains and runs the specified file. The two structures are exactly the same on the containing file, and the only difference is the handling of the error. The require () statement stops when it encounters a
Require and include differ only when the file does not exist the way the error is not the same, the former stop the script, the latter continue to execute. is to introduce a file that introduces subsequent execution of the introduced file, and
Include is a summary of many PHP files, usually placed in the outermost part of the folder.
Header ("Content-type:text/html;charset=utf-8"); // Set character date_default_timezone_set ("PRC"); // set the time zone for China Session_Start (); /
Apply the include directive and the include action ID to include a file in a JSP page, respectively.hello.jspImport= "java.util.*" pageencoding= "Utf-8"%>String Path=Request.getcontextpath (); String BasePath= Request.getscheme () + "://"
The include directive is the compile-time directive, where the content of the files included in the include is inserted into the JSP file when compiling, and the JSP engine infers that the JSP page has not been altered, otherwise it is considered
The include directive is the compile-time directive, where the content of the file included in the include is inserted into the JSP file when it is compiled, and the JSP engine determines that the JSP page has not been modified, otherwise it is
The include directive is the compile -time directive, where the content of the file included in the include is inserted into the JSP file when it is compiled, and the JSP engine determines that the JSP page has not been modified, otherwise it is
1. The include () include (pathtofilename) include () statement will include a file at the location where it is called. A file contains the same content as the data copied to the file where the statement is located. Parentheses can be ignored when
The include directive is the compile-time directive, where the content of the file included in the include is inserted into the JSP file when it is compiled, and the JSP engine determines that the JSP page has not been modified, otherwise it is
Include_once & quot;./include/a. php & quot; and include_once & quot; ../include/a. php & quot; what is the difference ??? Include_once & quot;./include/a include_once "./include/a. php" and include_once "../include/a. php" What is the difference ???
The include command is a command in the compilation phase. That is, the content of the file contained in include is inserted into the JSP file during compilation. the JSP Engine judges that the JSP page has not been modified, otherwise, it is deemed
From: http://blog.csdn.net/suwei19870312/article/details/6665305
In some large projects, there may be dozens of basic classes, which are inevitably referenced by each other (not satisfying the inheritance relationship, but composite relationship ).
#include contains all C + + header files, such as the following#include #include #include #include #include #include #include #include #include #include #include #include #include ...Can make the program more brief, but domestic OJ not support,
PS: and
Why use include?#1
The include command is more powerful. The include command allows the contained files to contain JSP code that affects the home page, such as the settings of the response header and the definition of fields and
PHP upgrade-includeInclude and require statements are used to insert useful code into other files in the execution stream. Include is very similar to require, except for the difference in error handling. Require will generate a fatal error
There are many similarities and differences between require () and include (). It's important to understand their differences, otherwise it's easy to make mistakes.
I put these two statements together to introduce, the reader can compare
Dynamic include uses Jsp:include action to implement It always checks for changes in the included files, is suitable for containing dynamic pages, and can take parameters.Static include is implemented with the include pseudo-code and will not check
Http://www.cnblogs.com/gaizai/archive/2010/01/11/1644358.html
Before I start, I want to talk about several concepts.
Overwrite Query]
When an index contains all the columns referenced by a query, it is usually called "Overwrite query ".
[Index
Indicator "include", "-include" and "Sinclude"
If the file specified by the indicator "include" does not start with a slash (absolute path, such as/usr/src/makefile ...). , and the file is not present in the current directory; make will try to find
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