The silver-gold triathlon bike was sitting in Kris's dining room next to the door. It had no kickstand,so he had wedged the front tire in between two ...
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其他好文 时间:
2017-07-06 14:23:55
阅读次数:
216
创建对象、对象里面还有对象 利用函数的方法让对象内部套嵌多个对象,并且每当我们传入新的值进去就会产生一个新的对象。 <script> //<script>标签,我们编写的所有js代码都要放在这个标签内部才能使用。 //这个Room表示在取一个叫做Room变量的空间,但是前面没有声明这个变量,所以系统 ...
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其他好文 时间:
2017-07-05 20:10:36
阅读次数:
176
1.使用前备份 mysqldump -uroot -p fission_statistics room_break_history > room_break_history_20170704.dump 2.pt-osc执行DDL pt-online-schema-change --user='roo ...
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其他好文 时间:
2017-07-04 12:15:18
阅读次数:
233
题意: 给定一个长度为n的,由0和1组成的序列ai,求一个序列bi,使得∑(bi-ai)^2最小。当中0<=bi<=1,bi<=b(i+1),bi为浮点型。输出最小的∑(bi-ai)^2的值。 题解: 对于ai序列中,开头的连续0,和结尾的连续1能够省略,由于bi中必然能够赋值连续0和连续1同样的值 ...
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其他好文 时间:
2017-07-01 15:23:45
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184
原因: 如果a表与b表连接,且a与b中存在两个相同的字段,则必须指明字段是哪个表的 箭头所致位置没有指定ROOM_ID为那个表的,应修改为t1.ROOM_ID ...
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其他好文 时间:
2017-06-16 15:21:04
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124
//: Playground - noun: a place where people can play import Cocoa class Person { var residence: Residence?//供选连接 } class Residence { var rooms = [Room ...
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其他好文 时间:
2017-06-11 16:28:34
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164
Red and Black Description There is a rectangular room, covered with square tiles. Each tile is colored either red or black. A man is standing on a bla ...
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其他好文 时间:
2017-06-10 21:35:27
阅读次数:
245
Description Nadeko's birthday is approaching! As she decorated the room for the party, a long garland of Dianthus-shaped paper pieces was placed on a ...
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其他好文 时间:
2017-06-08 13:05:08
阅读次数:
153
output standard output output standard output output Ohana Matsumae is trying to clean a room, which is divided up into an n by n grid of squares. Eac ...
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其他好文 时间:
2017-06-05 21:05:35
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232
Description There are N guests checking in at the front desk of the hotel. 2K (0 ≤ 2K ≤ N) of them are twins.There are M rooms available. Each room ha ...
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其他好文 时间:
2017-05-28 14:58:56
阅读次数:
208