Xenia the beginner mathematician is a third year student at elementary school. She is now learning the addition operation.
The teacher has written down the sum of multiple numbers. Pupils should ca...
分类:
其他好文 时间:
2014-07-22 23:05:53
阅读次数:
382
public class cal{public static void main(String[]
args){calculator ca=new calculator();byte[] first=new byte[4];byte[] second=new
byte[4];System.out.p...
分类:
其他好文 时间:
2014-05-02 15:23:23
阅读次数:
395
强制关掉yum进程:#rm-f/var/run/yum.pid然后就可以使用yum了。
分类:
移动开发 时间:
2014-05-02 04:18:15
阅读次数:
371
As you must have experienced, instead of
landing immediately, an aircraft sometimes waits in a holding loop close to the
runway. This holding mechanis...
分类:
其他好文 时间:
2014-05-01 03:51:48
阅读次数:
477
select * from sys_role_list where id in (select c
from (with test as (select roleid c from sys_role_info where id=1) select
substr(t.ca,instr(t.ca,...
分类:
数据库 时间:
2014-05-01 02:34:49
阅读次数:
670
本文基于Android 4.2.2+Linux3.6.9+SAMA5D3 SoC从源代码的角度审视Android Camera子系统。
应用层
Androd原生Camera应用
/system/app/LegacyCamera.apk
http://androidxref.com/4.2.2_r1/xref/packages/apps/LegacyCamera/
Ca...
分类:
移动开发 时间:
2014-04-30 22:32:38
阅读次数:
431
--setgithubproxygitconfig--globalhttp.proxyhttp://user_name:user_pwd@user_ip:portgitconfig--systemhttp.sslcainfo/bin/curl-ca-bundle.crt--cancelproxygi...
分类:
其他好文 时间:
2014-04-30 01:13:49
阅读次数:
507
# Holding your objectsJava provides a number of
ways to hold objects :>1. An array associates numberical indexes to objects.
It holds objects of a kno...
分类:
其他好文 时间:
2014-04-28 12:41:47
阅读次数:
445
oracle认为 null 最大。 升序排列,默认情况下,null值排后面。
降序排序,默认情况下,null值排前面。(1)用nvl函数或decode函数将null转换为一特定值 替换null:
nvl(arg,value)(2)用case语法将null转换为一特定值: order by (ca.....
分类:
其他好文 时间:
2014-04-28 01:06:19
阅读次数:
554