上面的问题是什么原因?怎样解决?

我想在原来装有WIN2000SEVER硬盘里装LINUX，但在进行光盘启动安装过程，前面都很顺利，到了分区阶段，不管是手工分区还是自动分区，分区结束后先提示： warning！ The kernel was unable to re-read the partition table on /dev/ide/host0/bus0/target0/lun0/disc (Device or resource busy).This means Linux won't know anything nothing about the modifications you make until you reboot.You should reboot your computer b...

Recently I saw a few guys writing their code with inefficient map. I can't bear that and must point it out: Never map in void context instead of a for loop. When will map? You should only use a map when you expect a list as the result returned from it. Otherwise please use the regular for loop, which is faster and clearer. # time perl -e 'open STDOUT,">/dev/null";map { print $_ } 1 .. 1000000' ...

How map and Reduce operations are actually carried out Introduction This document describes how mapReduce operations are carried out in Hadoop. If you are not familiar with the Google mapReduce programming model you should get acquainted with it first. map As the map operation is parallelized the input file set is first split to several pieces called FileSplits . If an individual file is so ...

rootnoverify (hd1,0) map (hd0) (hd1) map (hd1) (hd0) chainloader +1 map命令一定要记得写两条 本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u1/47765/showart_1271451.html

google map 本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u/27042/showart_730145.html

java.util 接口 map 所有已知子接口： Concurrentmap , Sortedmap 所有已知实现类： Abstractmap , Attributes , AuthProvider , ConcurrentHashmap , Enummap , Hashmap , Hashtable , IdentityHashmap , LinkedHashmap , PrinterStateReasons , Properties , Provider , RenderingHints , TabularDataSupport , Treemap , UIDefaults , WeakHashmap public interface map 将键映射到值的对象。一个映射不能包...

本文重点介绍Hashmap。首先介绍一下什么是map。在数组中我们是通过数组下标来对其内容索引的，而在map中我们通过对象来对对象进行索引，用来索引的对象叫做key，其对应的对象叫做value。在下文中会有例子具体说明。 再来看看Hashmap和Treemap有什么区别。Hashmap通过hashcode对其内容进行快速查找，而 Treemap中所有的元素都保持着某种固定的顺序，如果你需要得到一个有序的结果你就应该使用Treemap（Hashmap中元素的排列顺序是不...

import java.util.map; import java.util.Hashmap; import java.util.Iterator; public class Test{ public static void main(String[] args){ map hashmap=new Hashmap(); hashmap.put("key1",new String("value1")); hashmap.put("key2",new String("value2")); hashmap.put("key3",new String("value3")); hashmap.put("key4",new String("value4")); hashmap.put("key5",new String("value5")); //创建Ha...

template < typename KEY, typename VALUE, typename IMPL > class map { public: typedef mapEntry Entry; typedef typename IMPL::iterator Cursor; typedef typename IMPL::const_iterator ConstCursor; typedef AssociativeIteratorImpl Iterator; typedef ConstIteratorImpl ConstIterator; typedef KeyIteratorImpl KeyIterator; typedef ConstKeyIteratorImp...