learning by doing, recently i'm learning English, and maybe from now on, i'll post article in English (if possible).in the very beginning, it may diff...
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移动开发 时间:
2015-08-15 13:14:18
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221
Description
A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence Z = is a subsequence of X if there exists ...
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其他好文 时间:
2015-08-14 21:36:30
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210
DescriptionA subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence....
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其他好文 时间:
2015-08-14 21:12:47
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145
今天读了一篇MOS文章,《ORA-01722, ORA-01839, ORA-01841, ORA-01847 or ORA-01858 from Queries with Dependent Predicates (文档 ID 232243.1)》,整篇文章的目的就是为了阐述对于包含相互依赖关系谓词的SQL语句产生错误的可能原因(To explain the possible causes of...
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其他好文 时间:
2015-08-14 15:47:53
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112
Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are+, - and *.
Example 1
I...
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其他好文 时间:
2015-08-14 01:08:45
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151
题目Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If such arrangement is not possible, it must rearrange it as the lowest possible or...
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其他好文 时间:
2015-08-13 18:15:15
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109
1 使用explain语句去查看分析结果,如 explain select * from test1 where id=1;会出现:id selecttypetable type possible_keys keykey_len ref rows extra各列其中,type=const表示通过索引...
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数据库 时间:
2015-08-13 14:01:19
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121
Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, please do not see below and ...
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其他好文 时间:
2015-08-13 11:58:27
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120
ARRAY;
Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.
If such arrangement is not possible, it must rearrange it as the low...
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其他好文 时间:
2015-08-12 11:31:26
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99
Little Bob is playing a game. He wants to win some candies in it - as many as possible.
There are 4 piles, each pile contains N candies. Bob is given a basket which can hold at most 5
candies. Each ...
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其他好文 时间:
2015-08-10 20:02:48
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141