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1. 空指针异常， 在获得对象使用它的时候，首先要判断一下这个对象是否会为空。或者压根不会为空。否者在调用它的对象或者遍历它的时候就会出现异常。
2. 不区分大小写单词匹配的正则表达式."(?i)\\byourword
\\b" (?i)表示不区分大小写。是通过英文 google出来的。keywork: regular ignore case, 然后google会自动提示一些相似的keyword。
然后一个非常好的测试regular expression的网站： http://gskinner.com/RegExr/
3. 遇到error，首先是看错误信 ...
1. Liferay 连接MySQL数据库, 创建配置文件
1.1 文件名: portal-ext.properties
1.2 文件路径: Liferay bundle 根目录
1.3 内容
jdbc.default.driverClassName=com.mysql.jdbc.Driver
jdbc.default.url=jdbc:mysql://localhost:3306/lportal?useUnicode=true&characterEncoding=UTF-8&useFastDateParsing=false
jdbc.default.us ...
Liferay 之一 环境搭建
- 博客分类：
- Liferay
1. Eclipse version: eclipse-jee-indigo-SR1-win32.zip
2. Liferay Eclipse plugin: liferay-ide-eclipse-updatesite-1.4.0.zip
3. Liferay tomcat bundle: liferay-portal-tomcat-6.0.6-20110225.zip
4. Liferay plugin SDK: liferay-plugins-sdk-6.0.6-20110225.zip
to be continued.
Basic：
1. Customer expectation
2. Deadline is not broken.
3. Customer wins
4. Company makes money
5. People are happy and growing.
Good project management:
1. Plan an executable plan.
2. A tight control to the plan execution
3. A good control to the quality
4. A optimized resources usage ...
Season1 - 01
My name is Nikita.
6 years ago, I was taken out of prison and forced by a covert unit of the government , to be an assassion
3 years ago, I escaped, and have been hunted ever since
I was the first recruit to get out, I'm going to make certain I'm not the last.
Come on, come on, c ...