省略了Octave的使用方法结束,以后用得上再看吧week three:LogisticRegression:用于0-1分类Hypothesis Representation::Sigmoid function orLogistic functionDecision boundary:theta ....
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其他好文 时间:
2015-01-10 17:54:56
阅读次数:
307
Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three integers. You m...
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其他好文 时间:
2015-01-10 12:36:11
阅读次数:
131
Police raided his home in August and found more than 100g of marijuana. He faced a maximum sentence of three years.His arrest came amid a drug use cra...
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其他好文 时间:
2015-01-09 17:05:54
阅读次数:
166
Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of the three integers. You may assume that each input would have
exact...
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其他好文 时间:
2015-01-09 09:19:26
阅读次数:
176
var arr = [ "one", "two", "three", "four"]; $.each(arr, function(){ alert(this); }); 上面这个each输出的结果分别为:one,two,three,fourvar arr = ...
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Web程序 时间:
2015-01-07 14:31:24
阅读次数:
162
1. 该函数接受3个可选参数,返回3个数字的和 CREATE OR REPLACE FUNCTION add_three_numbers ( a NUMBER:=0, b NUMBER:=0, c NUMBER:=0 ) RETURN NUMBER IS BEGIN RETURN a+...
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数据库 时间:
2015-01-05 20:20:42
阅读次数:
203
题目:
Given an array of integers, every element appears three times except for one. Find that single one.
Your algorithm should have a linear runtime complexity. Could you implement it without using e...
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其他好文 时间:
2015-01-05 16:41:37
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178
UI design can be divided into three essential elements : functionality, aesthetics, and performance.The following are some design phase tasks that can...
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其他好文 时间:
2015-01-04 14:56:50
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141
请大家欣赏一段幽默的故事请大家欣赏下面一段幽默故事:keep feeding him nickels a mother saw her three-year-old son put a nickel in his mouth and swallowed it. she immediately pic...
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其他好文 时间:
2015-01-03 13:04:25
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147
【问题】
【代码】
文件名:pickle.py
# coding=utf-8
#持久存储
import pickle
#b 以二进制的模式打开文件
with open('mydata.pickle','wb') as mysavedata:
#用dump保存数据
pickle.dump([1,2,'three'],mysavedata)
#b 以二进制的模式打开文件
w...
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编程语言 时间:
2015-01-02 22:26:35
阅读次数:
472