server contains 3 parts: 1, a number and a text-based status code to show the success and failure of the request. 2. A collection of response headers. 3, the response body. 6.get is used for regular requests , and he applies when the URL completely specifies the request resource when the request does not have any side effects on the server and when the server's response is cacheable. The post method is commonly used in HTML forms , which contain additional data in the request body and are often
less than the number of parameters specified when the function is declared, and the remaining parameters are set to the undefined value .15. You can use the annotation/*optional*/in the function definition to emphasize that the formal parameter is optional .16, identifier arguments is a reference to an argument object, an argument object is a class array object , not a real array, it is an object that happens to have a numeric indexed property.17. The argument object also defines the callee and
First chapter CSS and documentation1. Structured HTML: (Personal understanding)1. Separation of content, style and behavior2, label semantics, what kind of label do what kind of thing3. Conform to Web standards4, the structure is clear, header, content, footer. Reduce duplicate code for the public part.2. Unstructured pages make it difficult to build content indexes, reduce accessibility, and discourage maintenance.3, the candidate style sheet, the rel attribute is alternate stylesheet, if suppo
Chapter III Structure and CASCADE1. When determining which values should be applied to an element, the user agent not only takes into account the inheritance, but also considers the specificity of the declaration, and also the origin of the declaration itself, which is called Cascading. 、2, Particularity. If an element has two or more conflicting attribute declarations, the Highest-specificity declaration wins.
For the value of the attribute of each ID given in the selector, add 0,1,0,0;
Problem:A s:property tag was added to the JSP page, but the page was never displayedSolve:Learn by searching and find just adding statementsReason:@taglib indicates the reference label. Import statements similar to JavaPrefix= "s" refers to the name that can be used on the page, just like the name of an object generated in Java, and can be used directly with uri= "/struts-tags"% indicates the path of the tag library. Equivalent to import a specific classSTRUTS2 Authoritative
Maven authoritative guide Study Notes (2) posted by Ryan on 2010/05/02 leave
A comment (0) Go
To comments
POM
Pom is a descriptive statement of a Maven project. It is also a "map" that you need to understand when building a Maven project"
We have determined that POM is descriptive and declarative. It does not provide explicit commands as ant or make does. We also note that the concept of POM is n
${file#*.} : Take out the first one. And the string to the left: file.txt${file##*.} : Take out the last one. And the string to the left: txt${file%/*}: Take off the last bar/its right string:/dir1/dir2/dir3${file%%/*}: Remove the first/its right string: (null value)${FILE%.*}: Take off the last one. And the string to the right:/dir1/dir2/dir3/my.file${FILE%%.*}: Take out the first one. And the string to the right:/dir1/dir2/dir3/myThis article is from the "Linux is belong to You" blog, make sur
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.