参考链接:https://stackoverflow.com/questions/10650233/checked-checked-vs-checked-true 问: 1 What is the difference between the below two usages? 2 3 docume ...
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Web程序 时间:
2018-01-19 11:49:05
阅读次数:
191
python的set和其他语言类似, 是一个无序不重复元素集, 基本功能包括关系测试和消除重复元素. 集合对象还支持union(联合), intersection(交), difference(差)和sysmmetric difference(对称差集)等数学运算. sets 支持 x in set ...
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其他好文 时间:
2018-01-17 13:46:35
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99
Given a collection of number segments, you are supposed to recover the smallest number from them. For example, given {32, 321, 3214, 0229, 87}, we can ...
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其他好文 时间:
2018-01-17 12:36:01
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128
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Input: 1 \ 3 / 2 O ...
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其他好文 时间:
2018-01-13 21:01:44
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203
A sequence of number is called arithmetic if it consists of at least three elements and if the difference between any two consecutive elements is the ...
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其他好文 时间:
2018-01-13 20:53:25
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104
Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Note: There are at ...
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其他好文 时间:
2018-01-13 11:22:06
阅读次数:
148
https://vjudge.net/problem/UVA-12307 求覆盖所有点的最小矩形面积、周长 相当于求凸包的最小面积外接矩形、最小周长外接矩形 结论: 这个矩形一定有一条边和凸包上一条边重合 证明去看https://wenku.baidu.com/view/f11d0836ee06ef ...
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其他好文 时间:
2018-01-09 22:11:15
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248
is和==的区别 / Difference between is and == 对于Python的对象来说,具有id/type/value三种特性,而在判断两个相等的is和==中,分别是对对象的id和value进行判断,以下例子可以看出两者的不同之处, 从查看的结果来看,x和y的值相同,但是id却不 ...
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编程语言 时间:
2018-01-07 14:29:16
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157
【Question】: TensorFlow has two ways to evaluate part of graph: Session.run on a list of variables and Tensor.eval. Is there a difference between these ...
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其他好文 时间:
2018-01-05 01:24:35
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171
https://stackoverflow.com/questions/1920558/what-is-the-difference-between-scope-identity-identity-identity-and-ide The @@identity function returns th ...
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数据库 时间:
2018-01-02 18:43:21
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127