OCP 053:192.What is the purpose of the until
change option of the restore command?A. It allows you to select the SCN that you
want to restore to.B. It...
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其他好文 时间:
2014-06-10 13:10:23
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315
Given an input string, reverse the string word by word.
For example,
Given s = "the sky is blue",
return "blue is sky the".
Clarification:
What constitutes a word?
A sequence of non-space ch...
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其他好文 时间:
2014-06-10 11:12:06
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185
What do data scientist do?1. Define the
question2.Define the ideal data set3.Determine what data you can access4.Obtain
the data5.Clean the data6.Expl...
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其他好文 时间:
2014-06-10 09:57:33
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216
據說小学生几秒就做出;高中生几分钟;大学生半小时以上;博士可能要一辈子......What
takes an elementary school student just seconds to do; takes a high school
student several minutes; take...
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其他好文 时间:
2014-06-08 20:10:07
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222
【题目】
Follow up for problem "Populating Next Right Pointers in Each Node".
What if the given tree could be any binary tree? Would your previous solution still work?
Note:
You may only use constant extra space.
For example,
Given the following binary tre...
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其他好文 时间:
2014-06-08 15:46:22
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303
对于三层架构的理论阐述,我将从三个大的方面去讨论:what、why和how,说白了也就是以三层架构为中心,去了解什么是三层,为什么用三层以及怎么用三层这个三个问题。OK,废话不多说,进入正题。
什么是三层架构?(What)
通常多层结构的划分方式有两种:分别是物理和逻辑。物理上的三层结构是指将整个应用系统分为显示层、业务层和数据层,并且这三个层面上的实体都是...
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其他好文 时间:
2014-06-08 15:33:49
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229
题目如下:
Given an input string, reverse the string word by word.
For example,
Given s = "the sky is blue",
return "blue is sky the".
click to show clarification.
Clarification:
What co...
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其他好文 时间:
2014-06-08 14:58:13
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231
题目
Given an array and a value, remove all instances of that value in place and return the new length.
The order of elements can be changed. It doesn't matter what you leave beyond the new length.
原题链接(点我)
解题思路
给一个数组和一个数字,移除该数字在数组中所有出现的地方。
这是一个非常简单的题目,应...
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其他好文 时间:
2014-06-08 04:05:50
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284
原文链接: What to tune in MySQL 5.6 after installation原文日期: 2013年09月17日翻译日期: 2014年06月01日翻译人员: 铁锚随着 大量默认选项的改进, MySQL 5.6比以前版本需要调优的选项大为减少. 在本文中我将讲述需要优化的配置项.InnoDB设置innodb_buffer_pool_size —— 默认值为 128M. 这是最...
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数据库 时间:
2014-06-08 03:57:40
阅读次数:
365
Problem Description
Ignatius is so lucky that he met a Martian yesterday. But he didn't know the language the Martians use. The Martian gives him a history book of Mars and a dictionary when it leave...
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其他好文 时间:
2014-06-08 03:55:37
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273