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1. SQL Paging Statement: different database has different paging statment MySQL: LIMIT M,N M: the start index, starts from 0 N: the items amout of eac 阅读全文
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JDBC( Java Data Base Connectivity ) is one of the technique of JavaEE. How to use JDBC to query the data in the table and print the data in the consol 阅读全文
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SQL(Structure Query Language): connect the client and the sql server. How to login the server? input the command in cmd: mysql -u root -p ****** The D 阅读全文
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Express Language: replace the function of <%= ..... %> in JSP. The grammar of EL: ${ EL content }: <%= 1+1 %> equals ${ 1+1 } Where to get the data vi 阅读全文
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Cookie > browser Session > server When a client access to a server, there will be some data in this process, the server should save these data. How to 阅读全文
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JSP(Java Server Page) which display the page of server also a servlet in essence. The JSP could write java code in a html page. JSP = Java + HTML In t 阅读全文
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For the request and response: request > HttpServletRequest response > HttpServletResponse Every request send by browser will create a new request obje 阅读全文
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Servlet is a java code run in the server such as Tomcat. How to create a servlet? 1.Create a class extends HttpServlet (or implements the Servlet inte 阅读全文
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HTTP(Hyper Text Transfer Protocol) is managed by W3C institute. There are two versions 1.0 and 1.1. The version 1.1 is used widely. But what's the dif 阅读全文
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Tomcat is a free server. The detail of Tomcat directory structure: bin --> include some batch file and jar file. For example : the start and shutdown 阅读全文