QUOTE: |
-s modifier
Show the filter parameters specified by modifier (may be abbrevi-
ated):
-s nat Show the currently loaded NAT rules.
-s queue Show the currently loaded queue rules. When used
together with -v, per-queue statistics are also
shown. When used together with -v -v...
[code] public interface Service {
public void serve(InputStream in, OutputStream out) throws IOException;
}
public static class Timer implements Service {
public void serve(InputStream i, OutputStream o) throws IOException {
PrintWriter out = new PrintWriter(o);
out.print(new Date() + "\n");
out.close();
i.close();
}
}
[/code]
Error:Illegal modifier for the class Timer; only public, abstract & fi...
by
Logos
-
Java
-
2004-09-01 12:45:24 阅读(1333) 回复(2)
//////////////////////////
//subclass method
///////////////////////
//form11.cpp
#include "form11.h"
#include
Form11::Form11():Form11()
{}
Form11::~Form11()
void Form11::newSlot()
{
lineEdit->setText("hellll");
}
////////////////
//form11.h
#include "form1.h"
class Form11:public Form1
{
Q_OBJECT
public:
Form11();
~Form11();
public slots:
void newSlot();
};
////////main.cpp
#include
#include "form...
刚回贴子的时候遇到了个错误,很出乎意料。测试代码如下[code]use strict;
use warnings;
my %h = 1..10;
while (my($k,$v) = each %h) {
print "$k\t$v\n";
}[/code][code]use strict;
use warnings;
my %h = 1..10;
print "$k\t$v\n" while my($k,$v) = each %h;[/code]以前一直以为是一样的,可是第二个却是错误的。报 Global symbol $k $v require explicit package name
显然perl认为我没有声明这两个变量。我知道像 my...
我在ports安装的时候总是出现Unknow modifier '/',貌似不是错误,make可以继续进行,没影响,就是看着不爽。
图如下:
最后,小弟希望看看大家的/etc/make.conf怎么写的,希望大家踊跃贴贴,我好借鉴借鉴,谢谢了。
by
dooros
-
BSD
-
2009-02-07 00:16:25 阅读(1540) 回复(0)
rman target sys/atyu30@primary auxiliary sys/atyu30
RMAN> duplicate target database to ATYU30 nofilenamecheck;
本帖最后由 dxwwp 于 2011-04-28 01:40 编辑
suse 10 sp2
目前系统上没有挂载存储,但是在执行lvscan、vgscan及pvscan时,都有如下信息:
Found duplicate PV 2tciXcTxgrOXDETcirqIvF5TNEICYwAP: using /dev/sde1 not /dev/sdq1
Found duplicate PV Evxn60uCZ8X2ACP89802E68Ji1oxdYlO: using /dev/sdf1 not /dev/sdb1
Found duplicate PV 2vSQSBehYhbsx1J1o9tcTXOwo848q7xV: using /dev/sdg1 not /dev/sdc1
Found dupli...
duplicatefound
INSERT INTO b_ID (ID, Value) select ID, max(Value) from a_ID group by ID
ON duplicate KEY UPDATE Value =VALUES(Value) ;-----------比replace 全面 不丢失任何数据
如果在INSERT语句末尾指定了ON duplicate KEY UPDATE,并且插入行后会导致在一个UNIQUE索引或PRIMARY KEY中出现重复值,则执行旧行UPDATE;如果不会导致唯一值列重复的问题,则插入新行。例如,如果列a被定义为UNIQUE,并且包含值1,则以下两个语句具...