Bulk deletion in the Web site is common, especially for bulk deletions in the GridView. Our general practice is to loop to the tick to delete the call procedure directly. In this way, individuals feel that the efficiency is not very high, if
Here is the code that was originally implemented, where Largerresultprocessor is a base class that traverses the database table pointed to by the generic parameter T, and pagination in 100 items per page and calls the Processitem function on each
Method One: Caching data in the Init () method of the Servlet
After the application server initializes the servlet instance, it invokes the Init () method of the servlet before servicing the client request. In the lifecycle of a servlet, the init ()
One: Description
In this article use proficient, skilled, familiar, understand the symbol of your mastery of a technology.
Proficient: able to master more than 85% technical points of this technology, use this technology for more than two years, and
Is your Java application running very slowly? Can they afford to keep up with the rising traffic? This article describes the development of high-performance, highly resilient JSP pages and the performance optimization of the servlet technology. The
Method One: Caching data in the Init () method of the Servlet
After the application server initializes the servlet instance, it invokes the Init () method of the servlet before servicing the client request. In the lifecycle of a servlet, the init ()
1. Introduction
database applications, especially web-based database applications, often involve the storage and display of picture information.
Usually we use the method is to display the picture in a specific directory, in the database to save the
Our first example is the simplified DAO approach, which mainly introduces OOP concepts in programming.
This time, we'll make the DAO up, but still keep the simplest form for beginners to learn.
The simple DAO pattern consists of:
1 interface
2.
Introduction
Java 2 Enterprise Edition technology has been widely used in Web application development, in which the JavaBean, servlet technology for developers to provide a clearer development environment, using JSP Technology Performance page, Use
js| Data | database
Database version: DB2 UDB v7.2Server operating system: aix4.3.3
1, shut down the Web service on the server;2. Stop the JDBC Listener process DB2JD,DB2JD typically starts with a 6789 port service,First Use Ps-ef | grep DB2JD to
js|odbc| Page One, prepare before running
Recommended a MS SQLServer7 database DNS, named: test_db
There is a table in the Database: Guestbook field: Name (varchar), email (varchar), body (text)
The database user is null for the SA password and
dom|js|xml| Data | database | conversion
First, Jdom introduction
We know that the DOM is the official consortium of standards for representing XML documents in a platform-and language-independent way, using the DOM and Sax APIs to parse and process
js|mysql| Data | Database Novice JSP users will often ask the database how to connect Ah, I concentrated in this write an article for everyone's reference,
Let's start our JSP and database tour now!
JSP connection MySQL Database
Testmysql.jsp is as
excel|js| Data | Before the project time, the customer request our system can realize the data exchange with MS Excel, can import the data of the system into Excel. Our system is a Java b/s structure of the MIS system. To solve this
Problem, I found
web| Dynamic JSP Dynamic Web page technology introduced by many companies such as Sun has been widely popular. It inherits Java's cross-platform, portable, high-performance features, making it superior to Microsoft's ASP in both functionality and
The JS JSP standard Tag library (JSP Standard tag Library,jstl) is a set of custom tag libraries that implement common functions commonly used in WEB applications, including iterative and conditional judgment, data management formatting, XML
js| Program | data | Database I posted the code to the MySQL database to write the image code of the program, but a lot of people are Java beginners, for this code, they can not convert it to JSP, so I am here to write with JSP how to write image
Js|servlet| Performance | optimization
Is your Java application running very slowly? Can they afford to keep up with the rising traffic? This article describes the development of high-performance, highly resilient JSP pages and the
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