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bgcolor: 背景颜色
background:背景图片，可以是gif/jpg格式图片，不可以是png格式图片
eg:
<body bgcolor="blue" background="img/xxx.jpg">
<table border="1" bgcolor="blue" background="img/xxx.jpg">
BEGINFOR cur_rec IN(
core class:
package com.itreply.oschina;
import java.lang.reflect.Field;
public class GeneralToString {
public static String toString(Object obj) {
if(obj == null) return "null";
StringBuffer sb = new StringBuffer();
Class clazz = obj.getClass();
Field ...
git tutorial
- 博客分类：
- maven
http://rogerdudler.github.io/git-guide/index.zh.html
http://marklodato.github.io/visual-git-guide/index-en.html
1. DB table create
The parent table
create table stock (
stock_id number(10) not null,
stock_code varchar2(10) not null,
stock_name varchar2(10) not null,
primary key (stock_id)
);
the child table
create table stock_detail(
stock_id number(10) not nu ...
1st. create simple web app
mvn archetype:create -DgroupId=com.iteye.struts1 -DartifactId=struts1 -DarchetypeArtifactId=maven
-archetype-webapp
2nd. update pom.xml
...
<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts-core</artifactI ...
1. maven常用命令
- 博客分类：
- maven
1. create simple web app
mvn archetype:create -DgroupId=com.iteye.struts1 -DartifactId=struts1 -DarchetypeArtifactId=maven
-archetype-webapp
http://www.cnblogs.com/BenWong/archive/2013/03/25/2980820.html
eclipse hotkey
- 博客分类：
- tools
1. view variable value during debug:
ctrl + shift + i
2. modify all same variable's value:
alt + shift + R
3. convert to lowercase:
ctrl + shift +Y
４. convert to uppercase
ctrl + shift + X
5. locate specified method:
ctrl + o
1. Generations for Garbage Collection info:
Java objects are created in Heap and Heap is divided into three parts, these are called as Young generation, Tenured or Old Generation and Perm Area.
1. young Generation is further divided into three parts known as Eden space, Survivor 1 and Sur ...
1. sleep() and yield() don't release the object lock
2. wait will release the object lock when called
Business requirements usually consist of both functional requirements and non-functional requirements. The plan for implementing functional requirements is detailed in the system design. The plan for implementing non-functional requirements is detailed in the system architecture.
Fixed Deposit Account (定期存款账户): customer deposits a big sum of money for a fixed duration of time (Atleast 3 months or higher). bank gives a very good interest as payment for keeping the deposit
savings account(储蓄账户/活期账户)：where you can withdraw money at any time and get very low interest for the ba ...
http://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_10001.htm
4. savepoint
Use the SAVEPOINT statement to identify a point in a transaction to which you can later roll back.
Triggers are procedures that are stored in the database and are implicitly run, or fired, when something happens.
Traditionally, triggers supported the execution of a PL/SQL block when an INSERT, UPDATE, or DELETE occurred on a table or view
Trigger’s type:
DML triggers on tables.
INSTEAD
oracle wrap
- 博客分类：
- oracle
Wrapping is the process of hiding PL/SQL source code. Wrapping helps to protect your source code from business competitors and others who might misuse it.
You can wrap PL/SQL source code with either the wrap utility or DBMS_DDL subprograms. The wrap utility wraps a single source file, such as a SQL ...