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Chapter III1, the value of inheritance is not special, even 0 of the particularity of not. So changing the style of a hyperlink generally requires an independent declaration and cannot be changed by inheritance.2. Cascading-conflicting declarations are sorted by this cascading process and thus determine the final document representation. The core of this process is the particularity of selectors and their related declarations and the inheritance mechanism.Fifth Chapter1, Font-weight:border. Firs

12th chapter list and generated content1, List-style-type:cjk-ideographic generate 1234 of the serial number2, whether it is UL or Ol,list-style-type unrecognized values are applied to decimal.3, the list-style-image will inherit.4, Shorthand: List-style:type | Image | PositionThe 13th Chapter user interface style;1. Outlines are similar to borders, but outlines do not participate in the document Flow .2. Outlines and borders can coexist .3, the contour of the four sides of the style (including

Margin-bottom, to clear the element set Margin-top is not convenient (the reason for clearing the area).7. For a non-root element, if the position value is absolute, the containing block is the nearest position value is not a static ancestor element .8. Top/right/bottom/left applies to elements where the position value is not static. The margin boundary of the element contains the offset of the inner margin boundary (border) of the block relative to it.9. Top:auto;left:auto in Position:absolute

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 data constitutes the actual content of the web site. The data is diverse and can be an independent file, a database file, or a database server. Currently, HTML 5 BOM allows large-scale data storage on the client: web storage and Web SQL database storage. I. Web storage Overview Web storage is a secure way to store and use data using key/value pairs in the form of strings. The difference between Web storage and HTTP Cookie is: 1. Different capacit

ArticleDirectory Authentication Authorization Secure Communication I feel very lacking in website security, so I want to study it well, so I ran to the MS website to find information ~ Http://www.microsoft.com/china/technet/security/guidance/secmod01.mspx I learned to keep some text ~ Article 1 Construct a secure distributed Web ApplicationProgramAnd a group of important security principles to be followed The foundation fo

webmail, you need to use use= "NLS" before emerge mod_php. Note: This guide is for step-by-step, and you may not have to go any further if you think you have completed the setup. In the final step of the course, you only need to give all the work to QMail to complete. Of course, you can use many other packages to build your e-mail server system. Now you have to decide if qmail is right

Server Purchase guide creates a perfect network server-Linux Enterprise Application-Linux server application information. The following is a detailed description. Network servers can be said to be the core of the entire network. It is important for decision makers and technicians to consider how to select servers that

for download. 　　11. Avoid redirection The redirection of a Web page can incur additional overhead, so you want to avoid a redirection of the page to a jump operation. 　　12. Delete duplicate scripts A page containing the same JavaScript file two times can affect the performance of the load, so you need to delete the duplicate script files. 　　13. Configure ETag This is a puzzling question. In theory, the etag deletion of the server will improve t

Article Title: Linux Server Setup Guide-proxy access server (4 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 　　 Section 7 ISDN dialing Amp; 7.1 Introduction Over the past two years, ISDN has been booming in China, and th

MySQL 5.6.15 Download Address: http://www.php.cn/... munity-5.6.15.0.msi Microsoft Visual C + + 2010 Redistributable Package Download Address: http://www.php.cn/... 6e/vcredist_x86.exe Install "Vcredist_x86.exe" 2015-8-12 00:07 Upload Download AttachmentsWindows Server 2012 Configuration Guide for MySQL Environment building Open "Mysql-installer-community-5.6.15.0.msi" for MySQL installation 2015-

[FTP Server Setup Guide]Note: An error occurs when the FTP Server opens a folder on the FTP server. Check whether you have the permission to access this folder.View ie Properties Advanced check select Passive FTP (for firewall and DSL modem compatibility ), in the Serv-U server