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来源：http://chenzhou123520.iteye.com/blog/1313565
我们都知道，在Eclipse或MyEclipse中安装插件有两种方式，一种是在线安装，第二种是先下载插件然后在本地安装。
在这里我们先介绍第一种在线安装。
Eclipse上在线安装findbugs(具体步骤如下，就不再赘述)
In Eclipse, click on Help -> Software Update -> Find and Install...
Choose the Search for new features to install optio ...
http://blog.csdn.net/ch4230052/article/details/7712920
String str = String.format("%tF %<tT", 1229159619623L);
js判断某个元素是否存在某个方法
- 博客分类：
- jquery
if($.isFunction($(“#id”).方法名称)){
return true;
}
declare
v_rowcount integer;
begin
v_rowcount:=0;
select count(*) into v_rowcount from ALL_SEQUENCES
where sequence_name='SEQ_XX';
if v_rowcount=0 then
execute immediate 'create sequence SEQ_XX
minvalue 1
maxvalue 9999999999
start with 1
increment by 1
cache 20
order' ...
select round(a/b,2) from dual;
or
select to_char(a/b,'fm9999999.99') from dual;
declare
n number;
begin
insert into bak_t0_stkcode select * from t0_stkcode;
n:=sql%rowcount;
commit;
dbms_output.put_line(n);
end;
参考：http://blog.sina.com.cn/s/blog_713978a50100xi6z.html
merge into stkcode a
using (select * from stkcode t
where t.change_type='1')b
on (a.id=b.id and a.stock_code=b.stock_code)
update
set a.change_type=b.change_type||',2'
where a.change_type='1';
commit;
select ''''||stock_name||'''' from stkcode;
or
select chr(39)||stock_name||chr(39) from stkcode;
package cn.javass.spring.chapter12;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future ...
for update 可以锁定某张数据表的某条记录，而synchronized锁定的只是代码块
create or replace procedure ptest is
begin
declare cursor cur_s is
select stock_code ,stock_name from stkcode;
v_no varchar2(6);
v_name varchar2(8);
begin
open cur_s;
loop
fetch cur_s into v_no,v_name;
exit when cur_s % notfound;
dbms_output.putl ...
xml里面的配置
<aop:aspectj-autoproxy/>
<context:component-scan base-package="com.xx"/>
java代码
@Aspect
@Component
public class LogAdvice{
@After("@annotation(testLog)")
public void testLog(JoinPoint joinPoint,TestLog testLog)throws Exception{
Syst ...
select decode(nvl(yy,0),'0','',fn_get_name('xx')) from dual;