Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking num...
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其他好文 时间：
2015-03-05 00:13:48
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196
奥卡姆剃刀原则（Occam's Razor）
有一句话是这样说的，"An explanation of the data should be mad as simple as possible,but no simpler"。
在机器学习中其意义就是，对数据最简单的解释也就是最好的解释（The simplest model that fits the data is also the mo...
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其他好文 时间：
2015-03-04 22:45:56
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177
Given an unsorted integer array, find the first missing positive integer.
For example,
Given [1,2,0] return 3,
and [3,4,-1,1] return 2.
Your algorithm should run in O(n) time and uses constant...
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其他好文 时间：
2015-03-04 21:08:58
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131
大意：给一个矩阵 有一个六秒之内会爆炸的炸弹 爆炸事件在数值为4的位置会重置为60: The area is a wall, Ignatius should not walk on it.1: The area contains nothing, Ignatius can walk on it.2....
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其他好文 时间：
2015-03-04 20:57:53
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138
Problem Description
For the hope of a forever love, Steven is planning to send a ring to Jane with a romantic string engraved on. The string’s length should not exceed N. The careful Steven knows Jane...
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其他好文 时间：
2015-03-04 16:59:08
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194
问题{:timestamp=>"2015-03-04T00:02:47.224000+0800", :message=>"Retrying webhdfs write for multiple times. Maybe you should increase retry_interval or re...
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Web程序 时间：
2015-03-04 01:01:25
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550
Create a Linear Layout（创建一个线性布局）注释：android:orientation="vertical"水平线性布局,"horizontal"垂直水平线性 match_parent：This value declares that the view should expan...
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其他好文 时间：
2015-03-03 20:11:56
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131
Merge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists. 水题，注意 du...
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其他好文 时间：
2015-03-03 18:25:00
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112
Point: not necessarily contigous max sub array, at least one element should be selected:def maxSubarrCont(arr, n): ret = arr[0] curr = arr[0] ...
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其他好文 时间：
2015-03-03 16:34:35
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127
Adding the Action BarGET STARTEDDEPENDENCIES AND PREREQUISITESAndroid 2.1 or higherYOU SHOULD ALSO READAction BarImplementing Effective NavigationDESI...
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移动开发 时间：
2015-03-03 11:12:59
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328
