Farmer John's cows have discovered that the clover growing along the ridge of the hill (which we can think of as a one-dimensional number line) in his field is particularly good.
Farmer John has N cows (we number the cows from 1 to N). Each of Farmer Joh...
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编程语言 时间:
2015-02-06 09:41:36
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201
如果对前面的内容理解透彻了,看到这个表达式就知道直接将y换成guess即可。博主写的函数如下:(define (improve guess x) (/(+ (* guess guess)) (* 2 guess)) 3))但是如果中写到这里就认为完成了那就错了,如果还是用书中的good-enough...
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其他好文 时间:
2015-02-05 13:22:48
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117
练习1.7这道题回应了第15页所说的good-enough?并不是一个很好的检测方法。我们首先来按照题目要求用4组最大或最小的数来检测原文中的good-enough?(sqrt-iter 1.0 0.00000081) 0.0009;Value: 0.3125863108711088(sqrt-it...
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其他好文 时间:
2015-02-05 12:55:20
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148
http://acm.hdu.edu.cn/showproblem.php?pid=4341
Problem Description
Homelesser likes playing Gold miners in class. He has to pay much attention to the teacher to avoid being noticed. So he...
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其他好文 时间:
2015-02-05 11:22:52
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163
Dear Editor,We the undersigned declare that this manuscript entitled “文章标题” is original, has not been published before and is not currently being cons...
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其他好文 时间:
2015-02-05 10:54:58
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117
IoC就是Inversion of Control,控制反转。在Java开发中,IoC意味着将你设计好的类交给系统去控制,而不是在你的类内部控制。这称为控制反转。下面我们以几个例子来说明什么是IoC 假设我们要设计一个Girl和一个Boy类,其中Girl有kiss方法,即Girl想要Kiss一个Bo...
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移动开发 时间:
2015-02-05 00:35:12
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252
HDU 1847 Good Luck in CET-4 Everybody!(SG的简单运用)...
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其他好文 时间:
2015-02-04 20:27:53
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148
如图:HTML结构中会看到(全部商品页、详情页):收藏JS代码中(ajax.call)(common.js文件中):/* * * 添加商品到收藏夹 */function collect(goodsId){ Ajax.call('user.php?act=collect', 'id=' + good....
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其他好文 时间:
2015-02-04 16:23:01
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129
'Girl','name'=>'Judy'), array(0=>'Boy','name'=>'Jerry') ); echo ''; print_r(array_columns($testArray,'name')); print_r(array_column...
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Web程序 时间:
2015-02-04 14:31:06
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179
Given a constant K and a singly linked list L, you are supposed to reverse the links of every K elements on L. For example, given L being 1→2→3→4→5→6,...
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其他好文 时间:
2015-02-03 22:44:12
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236