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开始看 WPF

乘方…乘方…

galeki posted @ 2008年12月14日 05:51 in 其他 , 6254 阅读

昨晚拿 C 写小数转字符串的函数,写完测试发现结果怎么都是不对,总共就那么两行,盯着看了半天也不知道错在哪里。

最后的最后,才发现……

因为函数中要用到 10 的 n 次方,结果我赫然写了个:

( 10 ^ n )

…… 彻底无语。

过了半晌才反应过来,这个 ^ 似乎是异或的意思,C 标准库里好像有个专门算乘方的函数 pow( x, y )。唉,全忘了……

这大概就是脚本语言后遗症吧,不过 Ruby 中的乘方是 x ** y 啊,这个习惯是哪里来的呢? 难道是 Excel……?

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TLHL28 说:
2008年12月14日 06:59

呃.....
好像VB里面成方是这样的......
高中数学里也有....
没记错的话...

test 说:
2008年12月14日 07:15

其实在古老的 COBOL 里面乘方就是这样子的。。。

g.zhen.ning 说:
2008年12月14日 07:36

逛网上太多了,被影响了`以前我刚在网上看这样的符号还不知道是什么意思,后来才知道乘方键盘不好写...所以这样写

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galeki 说:
2008年12月14日 12:25

@TLHL28:   看来我的数学不错……

@test:   看来我是程序员转世……

@g.zhen.ning:  看来我前面在 YY ……

Druggo 说:
2008年12月17日 10:53

是BASIC吧,哈哈

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galeki 说:
2008年12月19日 01:28

汗,果然是 basic ……

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galeki 说:
2008年12月21日 18:29

啊,原来是 TeX 数学公式,我咋把这个忘了……

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Try some other alternative way to deliver string on it

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