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Java线程阻塞中断和LockSupport的常见问题
上周五和周末,工作忙里偷闲,在看java cocurrent中也顺便再温故了一下Thread.interrupt和java 5之后的LockSupport的实现。   在介绍之前,先抛几个问题。   Thread.interrupt()方法和InterruptedException异常的关系?是由interrupt触发产生了InterruptedException异常?Th...
分类:编程语言   时间:2014-06-19 13:03:42    阅读次数:733
取文件的大小 (KB,MB,GB...)
取文件的大小 (KB,MB,GB...) 2种方式: VB 和 C# 1,  VB Public Function GetFileSize(ByVal iFileSizeKB As Long) As String Dim iFileSizeMB As Integer Dim iFileSizeGB As Integer If (iFileSizeKB >= 1024) Th...
分类:其他好文   时间:2014-06-19 12:39:06    阅读次数:310
七、Android学习笔记_JNI hello world
1、需要准备的工具,eclipse,cdt(c++)插件,cygwin(unix)和 android ndk. 在cygwin的etc目录下将ndk的路径引入到profile文件中,可以在cygwin的任何目录都可以访问到ndk,不同的ndk路径PATH的写法不同. : ${ORIGINAL_P.....
分类:移动开发   时间:2014-06-16 08:52:50    阅读次数:393
[leetcode]Gray Code @ Python
原题地址:https://oj.leetcode.com/problems/gray-code/题意:The gray code is a binary numeral system where two successive values differ in only one bit.Given a...
分类:编程语言   时间:2014-06-16 07:42:27    阅读次数:242
【Leetcode】Unique Paths
A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below). The robot can only move either down or right at any point in time. The robot is trying to reach the...
分类:其他好文   时间:2014-06-15 19:28:54    阅读次数:246
Combination Sum II
题目 Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T. Each number in C may only be used once in...
分类:其他好文   时间:2014-06-15 19:24:21    阅读次数:229
poj 2247 Humble Numbers
Humble Numbers Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9396   Accepted: 4417 Description A number whose only prime factors are 2,3,5 or 7 is called a...
分类:其他好文   时间:2014-06-15 19:04:15    阅读次数:159
hdu3669之二维斜率DP
Cross the Wall Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 327680/327680 K (Java/Others) Total Submission(s): 4176    Accepted Submission(s): 748 Problem Description “Across th...
分类:其他好文   时间:2014-06-13 20:43:09    阅读次数:280
【Leetcode】Minimum Path Sum
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path. Note: You can only move either down or right at...
分类:其他好文   时间:2014-06-13 20:36:56    阅读次数:280
[LeetCode OJ] Best Time to Buy and Sell Stock I
Say you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to complete at most one transaction (ie...
分类:其他好文   时间:2014-06-13 15:55:47    阅读次数:273
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