1. database access performance optimization Database Connection and Shutdown
To access database resources, you need to create a connection, open a connection, and close the connection. These processes need to exchange information with the database
PageRank again familiar with a word, commonly known as PR value, is Google's web page level division, can say the higher the PR value, then its own value is higher. Over the years has maintained a strict control of the site to carry out
Article from: IBM DeveloperWorks
Introduction: as a Web user, we know that the speed at which a page is loaded or refreshed is critical to its success. This article will help you better understand the factors that affect the performance of your Web
1.1 Basic conceptsConcurrent users: User concurrency generally occurs in modules that use more frequently, and encountering exceptions is usually a problem with the program.Number of concurrent users: the number of online users is one of the main
Overview
Now there are more and more web projects. How to measure the performance of Web applications has become a problem that developers or testers have to consider. Traditionally, project logs or LoadRunner tools may be used to monitor web pages
Original address: http://www.csdn.net/article/2012-06-21/2806814About performance Optimization This is a big topic, in the "12306.cn Talk about website performance Technology" in the business and design I said some of the available technologies and
First, data mining
Data mining is an advanced process of using computer and information technology to obtain useful knowledge implied from a large and incomplete set of data. Web Data mining is the development of data mining and the application of
Introduction: as a web user, we know that the speed of page loading or refreshing is crucial to its success. This article will help you better understand the factors that affect the performance of web applications. Learn to identify these problems
We can regard Web information search as an Information Retrieval problem, that is, a document composed of web pages can retrieve documents related to user queries in a centralized manner. therefore, we can use the recall and precision parameters of
Introduction: as a web user, we know that the speed of page loading or refreshing is crucial to its success. This article will help you better understand the factors that affect the performance of web applications. Learn to identify these problems
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