high performance java persistence

The test results show that the performance of blocking and concurrent queues is not much different in the case of high concurrency. 1 test. Java code reference http://blog.csdn.net/arkblue/archive/2011/01/14/6138598.aspx View plain Public class concurrentqueuetest { Private Static int COUNT = 100000; Private Static int thread_num = 10; Private Static java

. CSS (' Color ', ' Blue ');}); Recommended $first. On (' click ', Function () { $first. css ({ ' border ': ' 1px solid red ', ' color ': ' Blue ' });5. Using linksBad $second.html (value); $second. On (' click ', Function () { alert (' Hello Everybody ');}); $second. FadeIn (' slow '), $second. Animate ({height: ' 120px '},500);//Recommended $second.html (value); $second. On (' click ', function () { alert (' Hello Everybody ');}). FadeIn (' slow '). Animate ({height:

Mysql High Performance Memcached (2)This article describes the problems that need to be paid attention to when deploying Memcached and the distributed algorithm of Memcached.Whether you are a new system or a system that has been online for a long time. We can easily configure Memcached, but we need to pay attention to the following issues before Configuration:1. memcached is only a caching mechanism. It sho

High-performance SQL statements can improve the efficiency of the page execution, so that your server run more smoothly, so everyone in the future use of the process, as far as possible to consider the efficiency.(1) integration of simple, unrelated database access:If you have a fewSimple database query statements, you can integrate them into a query (even if they are not related)(2) Delete duplicate record

server scripting and management, Http://code.openark.org/forge/common_schema Mysql-sr-li B: Stored procedure code base, Http://nongnu.org/mysql-sr-lib mysql UDF repository: Custom Function collection, http://www.mysqludf.org MySQL Forge: Community contributed programs, Scripts, code snippets, utility sets and tricks and traps http://forge.mysql.comMonitoring tools: Health monitoring tools--detection of abnormal alarms--and tools for recording indicators for trends, diagnostics, troubleshooting

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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

Java program performance optimization skills and java performance optimization skills 1. Optimize the loop bodyIf the number of loops is large, the problems with poor code processing in the loop body will be magnified. For (int I = 0; I 2. Use new to initialize an instance.The time consumed by a new object is often t

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