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标题:[python-chinese] Is reverse reading possible?

2004年03月15日 星期一 00:40

Anthony Liu antonyliu2002 at yahoo.com
Mon Mar 15 00:40:55 HKT 2004

In terms of file input, can we read from the end of
the file till the beginning of a file?

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2004年03月15日 星期一 09:00

Who Bruce whoonline at msn.com
Mon Mar 15 09:00:00 HKT 2004

>From: Anthony Liu <antonyliu2002 at yahoo.com>
>Reply-To: python-chinese at lists.python.cn
>To: python-chinese at lists.python.cn
>Subject: RE: [python-chinese] How to check if the 8th bit of a byte is 
set?
>Date: Sat, 13 Mar 2004 01:15:37 -0800 (PST)
>
> > a='a'
> > ord(a) & 0x80
>
>ord(a) & 10000000_binary = 0 if 'a' is an ascii
>character.
>
>else if 'a' is the 1st byte of a Chinese character,
>
>ord(a) & 10000000_binary = 128
>
>Right?

right

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2004年03月15日 星期一 09:07

Who Bruce whoonline at msn.com
Mon Mar 15 09:07:55 HKT 2004



>From: "Who Bruce" <whoonline at msn.com>
>Reply-To: python-chinese at lists.python.cn
>To: python-chinese at lists.python.cn
>Subject: RE: [python-chinese] How to check if the 8th bit of a byte is 
set?
>Date: Mon, 15 Mar 2004 09:00:00 +0800
>
>>From: Anthony Liu <antonyliu2002 at yahoo.com>
>>Reply-To: python-chinese at lists.python.cn
>>To: python-chinese at lists.python.cn
>>Subject: RE: [python-chinese] How to check if the 8th bit of a byte 
>>is
>set?
>>Date: Sat, 13 Mar 2004 01:15:37 -0800 (PST)
>>
>> > a='a'
>> > ord(a) & 0x80
>>
>>ord(a) & 10000000_binary = 0 if 'a' is an ascii
>>character.
>>
>>else if 'a' is the 1st byte of a Chinese character,
>>
>>ord(a) & 10000000_binary = 128
>>
>>Right?
>
>right

en...,but I think you should expalin it like this: 0x80 is 
10000000(binary),so given a is a byte,eg. a char,if a's 8th bit is 
1(assumption is  big-endian),then ord(a)&0x80 ==1,otherwise,ord(a)&0x80==0.

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2004年03月15日 星期一 10:01

Jacob Fan jacob at exoweb.net
Mon Mar 15 10:01:19 HKT 2004

-----Original Message-----
From: =CD=F4=D6=BE=82=A5\(cn\) [mailto:paul_wang at lmcn.com]=20
Sent: 2004=C4=EA3=D4=C214=C8=D5 10:00
To: python-chinese at lists.python.cn
Subject: linux=CF=C2=CA=B9=D3=C3python


=D5=88=86=96=D4=DAEMACS(FC1 =
LINUX)=D6=D0=B5=C4PYTHON=C4=A3=CA=BD=D4=F5=C3=B4=D4O=D6=C3=D5Z=B7=A8=D7=D4=
=84=D3=BFs=DFM=B9=A6=C4=DC=A3=AC=D5Z=B7=A8=B8=DF=C1=C1=EF@=CA=BE=A3=BF


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2004年03月15日 星期一 10:06

fxg ifxg at tom.com
Mon Mar 15 10:06:10 HKT 2004

刘鑫,您好!

	FireBird?数据库还是浏览器?

======= 2004-03-12 10:56:24 您在来信中写道:=======

>CHEN Guang \(Oliver\):
>	您好!
>
>	FireBird呀,绝对极品。
>
>======= 2004-03-12 10:39:54 您在来信中写道:=======
>
>>我想学习 Win98 下 Python
>>数据库开发,哪位能推荐一款免费的、容易上手的,最好能支持中文、脱离DOS
>>操作,并能管理图片和声音等文件。
>>哪位大侠能给个例子程序看看吗?越简单越好。
>>
>>
>>
>>
>> --- Who Bruce <whoonline at msn.com> 的正文:>
>>pysqlite在sourceforge上
>>> 
>>> 
>>> >From: "CHEN Guang (Oliver)"
>>> <oliver_guang_chen at yahoo.com.cn>
>>> >To: Who Bruce <whoonline at msn.com>
>>> >Subject: RE: [python-chinese] 学习 Win98 下 Python
>>> 数据库开发
>>> >Date: Tue, 9 Mar 2004 09:19:22 +0800 (CST)
>>> >
>>> >能推荐一款免费的吗,最好给个网址。
>>> >
>>> >  --- Who Bruce <whoonline at msn.com> 的正文:>
>>> >Python和很多数据库都有接口,如Adoapi,pysqlite...
>>> > >
>>> > >
>>> > > >From: "CHEN Guang (Oliver)"
>>> > > <oliver_guang_chen at yahoo.com.cn>
>>> > > >To: python-chinese at lists.python.cn
>>> > > >Subject: [python-chinese] 学习 Win98 下 Python
>>> > > 数据库开发
>>> > > >Date: Tue, 9 Mar 2004 09:06:12 +0800 (CST)
>>> > > >
>>> > > >我想学习 Win98 下 Python
>>> > >
>>> >数据库开发,哪位能推荐一款容易上手的,最好能脱离
>>> > > DOS 操作,并能管理图片和声
>>> > > 音等文件。
>>> > > >
>>> > > >_______________________________________________
>>> > > >python-chinese mailing list
>>> > > >python-chinese at lists.python.cn
>>> > >
>>> >http://python.cn/mailman/listinfo/python-chinese
>>> > >
>>
>>
>>_________________________________________________________
>>Do You Yahoo!? 
>>完全免费的雅虎电邮,马上注册获赠额外60兆网络存储空间
>>http://cn.rd.yahoo.com/mail_cn/tag/?http://cn.mail.yahoo.com
>>_______________________________________________
>>python-chinese list
>>python-chinese at lists.python.cn
>>http://python.cn/mailman/listinfo/python-chinese
>>
>>.
>
>= = = = = = = = = = = = = = = = = = = =
>			
>
>        致
>礼!
> 
>				 
>        刘鑫
>        liux at gdcn.com
>          2004-03-12
>
>_______________________________________________
>python-chinese list
>python-chinese at lists.python.cn
>http://python.cn/mailman/listinfo/python-chinese

= = = = = = = = = = = = = = = = = = = =
			

        致
礼!
 
				 
        fxg
        ifxg at tom.com
          2004-03-15


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