1.什么是Servlet A Java servlet is a Java programming language program that extends the capabilities of a server. Although servlets can respond to any typ...
分类：
Web程序 时间：
2015-06-09 23:29:43
阅读次数：
181
在Java中没有信号量机制。主要用的是互斥锁，来进行互斥或同步的对一个变量加上volatile修饰符，就保证了这个变量的些是必须在这个变量的读前面的。This guarantees that any write tomessage(as in "Key statement 1") will have...
分类：
编程语言 时间：
2015-06-09 23:28:04
阅读次数：
145
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr...
分类：
编程语言 时间：
2015-06-09 23:09:15
阅读次数：
141
voidThe (nonexistent) value of a void expression (an expression that has type void) shall not be used in any way, and implicit or explicit conversions...
分类：
编程语言 时间：
2015-06-09 19:03:32
阅读次数：
182
【题目链接】click here~~
【题目大意】：
You are given string s. Your task is to determine if the given string s contains two non-overlapping substrings “AB” and “BA” (the substrings can go in any order).
Input...
分类：
其他好文 时间：
2015-06-09 17:24:38
阅读次数：
105
You are given string s. Your task is to determine if the given string s contains
two non-overlapping substrings "AB" and "BA" (the substrings
can go in any order).
Input
The only line of...
分类：
其他好文 时间：
2015-06-09 17:21:51
阅读次数：
184
【准备】查看你的cpu是否支持 (显示内容，说明支持)grep -E '(vmx|svm)' /proc/cpuinfo确定bios开启了VT，否则你后面会让你很是头疼，例如:virt-install error: Host does not support any virtualization o...
分类：
其他好文 时间：
2015-06-09 17:03:37
阅读次数：
208
Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is...
分类：
其他好文 时间：
2015-06-09 11:54:27
阅读次数：
106
1.2520 is the smallest nuber that can be diveded by each of the number from 1 to 10 without any remainder.what is the smallest positive number that is...
分类：
其他好文 时间：
2015-06-09 11:39:53
阅读次数：
145
Early media refers to any media that is played to the initial caller’s phone before the remote party has picked up the phone. That “brrrrrrrring!” noi...
分类：
其他好文 时间：
2015-06-09 00:52:42
阅读次数：
114
