如今所有移动设备的尺寸各异,对于移动web的响应式也是一个考验 以下是目前一些主流设备的尺寸大小: 上图所有设备中可以总结为: <meta content="width=device-width, initial-scale=0.5, maximum-scale=0.5, user-scalable ...
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移动开发 时间:
2016-05-13 09:43:51
阅读次数:
200
<!DOCTYPEhtml><html><head><metacharset="UTF-8"><title>登录angularJS</title><metacharset="UTF-8"><metaname="viewport"content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no"><linkrel="st..
分类:
数据库 时间:
2016-05-13 04:55:07
阅读次数:
280
极大似然估计法是求点估计的一种方法,最早由高斯提出,后来费歇尔(Fisher)在1912年重新提出。它属于数理统计的范畴。
大学期间我们都学过概率论和数理统计这门课程。
概率论和数理统计是互逆的过程。概率论可以看成是由因推果,数理统计则是由果溯因。
用两个简单的例子来说明它们之间的区别。
由因推果(概率论)
例1:设有一枚骰子,2面标...
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其他好文 时间:
2016-05-13 04:37:36
阅读次数:
287
leetcode343Integer Break
Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximum product you can get.
...
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其他好文 时间:
2016-05-13 02:09:09
阅读次数:
138
D - Maximum Random Walk
Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d
& %I64u
Submit Status Practice HDU
4487
Appoint description:
System Crawler (2016-05-03)
...
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其他好文 时间:
2016-05-13 00:53:26
阅读次数:
293
Given a string S,
find the longest palindromic substring in S.
You may assume that the maximum length of S is
1000, and there exists one unique longest palindromic substring.
题目:查找字符串中最长回文子...
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其他好文 时间:
2016-05-12 22:22:17
阅读次数:
207
题目描述:
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Each element in the array represents your maximum jump length at that position.
Your goal...
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其他好文 时间:
2016-05-12 22:03:45
阅读次数:
141
一天一道LeetCode系列(一)题目
Given an array of non-negative integers, you are initially positioned at the first index of the array.
Each element in the array represents your maximum jump length at that p...
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其他好文 时间:
2016-05-12 21:48:14
阅读次数:
133
ERROR 1074 (42000): Column length too big for column 'Flist' (max = 21845); use BLOB or TEXT instead
ERROR 1118 (42000): Row size too large. The maximum row size for the used table type, not counting BLOBs, is 65535. This includes storage overhead, check ...
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其他好文 时间:
2016-05-12 17:04:22
阅读次数:
882
题目:Given a string array words, find the maximum value of length(word[i]) * length(word[j]) where the two words do not share common letters. You may assume that each word will contain only lower case le...
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其他好文 时间:
2016-05-12 16:35:27
阅读次数:
127