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搜索关键字:split 分割文件大小    ( 6348个结果
java去除重复的字符串和移除不想要的字符串
在java开发中碰到了有些字符串是重复的,如果在进行业务处理要全部遍历太对的数据就会重复,所以在进行业务处理前进行一个去重操作。 这里由于业务需要所以先将字符串转化为string数组,使用split分割,然后将string数组一个个放到list里(list的remove可以将你不要的字符串删除掉,代参数的哦) 可以看到我使用的是list,在list里包含了一个contains函数,表示...
分类:编程语言   时间:2015-08-21 21:28:11    阅读次数:169
Random Teams
nparticipants of the competition were split intomteams in some manner so that each team has at least one participant. After the competition each pair ...
分类:其他好文   时间:2015-08-21 21:14:01    阅读次数:128
Codeforces 478B.Random Teams
Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uDescriptionn participants of the competition were split into m teams in some mann...
分类:其他好文   时间:2015-08-21 21:13:35    阅读次数:138
Codeforces Round 273 Random Teams 解题心得
原题:Descriptionnparticipants of the competition were split intomteams in some manner so that each team has at least one participant. After the competit...
分类:其他好文   时间:2015-08-21 21:10:32    阅读次数:155
CodeForces 478B 第六周比赛B题
B -BTime Limit:1000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionnparticipants of the competition were split intomteams in some manne...
分类:其他好文   时间:2015-08-21 21:08:14    阅读次数:260
music
nparticipants of the competition were split intomteams in some manner so that each team has at least one participant. After the competition each pair ...
分类:其他好文   时间:2015-08-21 21:03:46    阅读次数:165
ACM 组队交朋友
Descriptionnparticipants of the competition were split intomteams in some manner so that each team has at least one participant. After the competition...
分类:其他好文   时间:2015-08-21 20:52:39    阅读次数:194
python基础三——面向对象
1.用dir命令可以查看一个对象的所有属性:s='How are you' #s 被赋值后就是一个字符串类型的变量l=s.split() #l是一个list类型的变量dir(s)dir(l)2.创建类class Myclass: pass #pass语句表示...
分类:编程语言   时间:2015-08-21 13:15:05    阅读次数:144
Codeforces Round #266 (Div. 2) C. Number of Ways
You've got array a[1],?a[2],?...,?a[n], consisting of n integers. Count the number of ways to split all the elements of the array into three contiguous parts so that the sum of elements in each part ...
分类:其他好文   时间:2015-08-21 11:21:55    阅读次数:194
Hadoop源码---Inputformat
作用: 1、将输入切分成split,确定split大小,map个数。 由getSplits方法实现。  2、为mapper提供输入数据,key/value形式。getRecordReader方法 核心算法: 1、文件切分算 作用:确定split个数。 概念:  globalSize: totalsize/numSplits  ;  minSize: InputSplit 最小值 配...
分类:其他好文   时间:2015-08-19 23:45:56    阅读次数:168
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