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spring cource list

http://www.springsource.com/training/class?classID=102697   Early Bird discount : USD 1255.5 if you register before Aug 14 2011   Course Overview Core Spring is the four-day flagship Spring Framework training. In this course, students build a Spring-powered Java application th ...

Hibernate Lazy

From http://www.iteye.com/job/topic/1040197?page=6 http://qvjing520.iteye.com/   hibernate中lazy的使用 lazy,延迟加载 Lazy的有效期:只有在session打开的时候才有效;session关闭后lazy就没效了。 lazy策略可以用在: * <class>标签上:可以取值true/false * <property>标签上,可以取值true/false,这个特性需要类增强 * <set>/<list>等集 ...

MySQL Note

1. Case Sensitivity       在MySQL中,最好case insensitive,省着以后麻烦(跨平台啥的)。     MySQL的Case Sensitivity依赖于操作系统,大部分Unix是区分大小写的,所以只有在Unix上mysql才区分大小写。       Identifier Case Sensitivity   Note: 1. 如何提高查询速度:Index/... - Follow the rules of DB tuning we have to: 1] properly use indexes ( different types ...
Code Analyzer is a java application for C, C++, java, assembly, html, and user-defined software source metrics. It calculates metrics across multiple source trees as one project. It has a nice tree view of the project with flexible report capabilities.   website: http://sourceforge.net/projec ...
1. dynamic-update="true"    dynamic-insert="true"       动态更新/插入, 只是更新修改的列。     优点:对于很多列的数据(大于50列)性能有提升, 减少网络传输量     缺点:牺牲一部分性能,用于查找需要更新的列。  
  Object states         1、Transient状态的特征:        * 在数据库中没有与之匹配的数据        * 没有纳入session的管理   2、Persistent状态的特征:        * persistent状态的对象在数据库中有与之匹配的数据        * 纳入了session的管理        * 在清理缓存(脏数据检查)的时候,会和数据库同步   3、Detached状态的特征:        * 在数据库中有与之匹配的数据        * 没有纳入session的管理 ...
Reading Hibernate Reference Documentation (3.6) http://docs.jboss.org/hibernate/core/3.6/reference/en-US/html/index.html 1. Tutorial 2. Architecture 3. Configuration 4. Persistent Classes 5. Basic O/R Mapping 6. Types 7. Collection ...
From: http://www.mydeveloperconnection.com/html/spring-hibernate-QnA.htm   Q. Explain DI or IOC pattern. A:  Dependency injection (DI) is a programming design pattern and architectural model, sometimes also referred to as inversion of control or IOC, although technically speaking, dependency ...
From: http://www.roseindia.net/hibernate/examples/hibernate-advantages-and-disadvantages.html   Advantages of Hibernate Hibernate is better then plain JDBC: You can use Hibernate which generates the SQL on the fly and then automatically executes the necessary SQL statements. This ...
Software 1. mysql 我用Yum装的mysql, 原来它的安装路径是 /usr/bin Command:  rpm -ql mysql-server     参考:Fedora 14 下安装MySql 5   Useful Command  1. su             Shortcuts  1. Return to wondows                                                     Default shortcut is  ...
1. SELECT  auto_increment   SELECT Auto_increment FROM information_schema.tables WHERE table_name='the_table_you_want' /* Can end here if only 1 DB */   AND table_schema = DATABASE(); /* See comment below if > 1 DB */   From: http://stackoverflow.com/questions/933565/get-auto-incr ...
程序需求:http://joezxy.iteye.com/blog/366794   import java.math.BigDecimal; public class Algorithm { public static void main(String[] args) { powerWrapper(95.123,12); powerWrapper(0.4321,20); powerWrapper(5.1234,15); powerWrapper(6.7592,9); powerWrapper(98.999,10); powerWra ...
Name Licene Demo Comment atleap Apache 2.0 license good dotCMS http://www.dotcms.org/products/dotcms-open-source/demos/ JadaSite GPL v3 good DSPACE Slide Java: Open Source Conte ...
robbin: "Mac的价值观是Think Different,Ruby的价值观是coding for fun,Java的价值观是everthing in one platform,微软的价值观是even idiot can coding。 我喜欢Mac和Ruby的价值观,所以我选择他们。"   Apple: Think Different  
今天看ifeng遇着个错,可以帮助我们多了解它: Java/Spring/Tomcat 6.0/Oracle   http://ifeng.itcpn.net/more/51193/cms_a_flwlist-1/1/   ----------------------------------------------------------------------------------------- HTTP Status 500 - type Exception report message description The server encountered an i ...
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