high performance java persistence

database JDBC-driven configuration in your Java application system, Then your Java EE application system has a database concept color, as a mature need to promote the Java application system, not recommended and specific database coupling, of course, how to ensure that the performance of

For those who like to write technical blog, must be very familiar with the code highlighting components. An excellent JavaScript code highlighting plugin will help you render any programming language, including coloring of some keywords, indentation of each line of code, and so on. Today we are going to share some high-performance JavaScript code highlighting plugins that will be very effective in helping y

Research on the configuration and deployment of high-performance WEB server nginx (1) nginx introduction and getting started example Author: poechant Blog: blog.csdn.net/poechant Email: zhongchao. USTC # gmail.com (#-> @) Date: August 29Th, 2011 Update: February 26Th>, 2012. Overview Starting from this blog, we will show readers the strength of nginx. What is nginx used? I believe many of my friends h

For those who like to write technical blog, must be very familiar with the code highlighting components. An excellent JavaScript code highlighting plugin will help you render any programming language, including coloring of some keywords, indentation of each line of code, and so on. Today we are going to share some high-performance JavaScript code highlighting plugins that will be very effective in helping y

In game development, the most performance-consuming is to display text, because the text must be generated temporarily in the memory bitmap, and then the bitmap is bound to the OpenGL texture and rendered, the author of andengine estimates the importance of caching in Java Development. He carefully planned the text Genie and divided it into immutable text genie) and the variable Text sprite (changeabletext)

V8 is a high-performance JavaScript engine for Google Open source, implemented in C + + and used in Google's open source browser, Chrome. 　　 Why is V8 very fast, and what kind of solution makes V8 reach this speed? It is an interesting thing to find the secret. 　　 Object-oriented, design patterns and performance 　　 Some C + + developers have some strange ideas. T

rejected at least once.2.thread_cahce_size: Observe the threads_connected state variable and find its maximum and minimum values in the general case. Can be set to a fluctuation range of double-size. But it doesn't have to be set very large, because it's not really useful to keep a lot of idle threads waiting to connect.You can also observe changes in the threads_created state over time, and if the value is large or growing, this may tell you that you need to make the thread_cahce_size variable

):SELECT DISTINCT dept_no,dept_name from DEPT D, EMP EWHERE d.dept_no = E.dept_no(efficient):Select Dept_no,dept_name from DEPT D WHERE EXISTS (select ' X 'From EMP E WHERE e.dept_no = d.dept_no);SQL statements are capitalized, because Oracle always parses the SQL statements first, converting lowercase letters to uppercase and then executing(20) Use the connector "+" connection string sparingly in Java code!(21) Avoid using not on indexed columns typi

Performance Comparison of Different Java compression algorithms and java Performance Comparison This article will compare the performance of several common compression algorithms. The results show that some algorithms can still work normally under extremely demanding CPU res

English Links: Writing Fast, Memory-efficient JavaScriptMany JavaScript engines, such as Google's V8Engines (used by chrome and node) are designed for large JavaScript applications that need to be executed quickly. If you are a developer and care about memory usage and page performance, you should understand how the JavaScript engine works in the user's browser. Whether it's V8,spidermonkey (Firefox) Carakan (Opera), Chakra (IE) or other engines, doin

Learn node with me High performance Web server developmentCourse Study Address: http://www.xuetuwuyou.com/course/235The course out of self-study, worry-free network: http://www.xuetuwuyou.comThe course mainly teaches the current popular node development, including but not limited to: node basic Environment Development Configuration, node module modules mechanism, using express to quickly build Node Web serv

Course Catalogue01.Netty implements a high performance distributed RPC Architecture introduction. avi02. The entire architecture diagram of the Distributed RPC architecture. avi03. Write Java server using Netty. avi04.zookeeper installation and operation. avi05. The server is registered on the zookeeper. avi06.netty client writing. avi07.netty Long connection Hea

Liu Bing, nickname, open source technology enthusiasts, high performance Redis middleware Nredis-proxy author, the current research direction for Java Middleware, micro-services and other technologies. first, what is the distributed generator We should be thankful for this time when we are talking about the distributed generator. As the internet becomes more and