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C++11线程指南(七)--死锁
1. 死锁   在多个mutex存在的时候,可能就会产生死锁。   避免死锁的一个最通用的方法是,总是按照相同的顺序来lock the two mutexes, 即总是先于mutex B之前lock mutex A,这样就不会有死锁的可能。有时,这种方法很简单实用,当这些mutexes用于不同的目标。但是,当mutexes用于包含相同类的一个实例时,就不是那么容易了。   例如,如下面程序所...
分类:编程语言   时间:2014-08-09 18:47:19    阅读次数:303
HDU 1002 A + B Problem II(大整数相加)
A + B Problem II Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Description I have a very simple problem for you. Given two integers A and B, your job ...
分类:其他好文   时间:2014-08-09 15:55:08    阅读次数:284
CF# 260 A. Laptops
One day Dima and Alex had an argument about the price and quality of laptops. Dima thinks that the more expensive a laptop is, the better it is. Alex disagrees. Alex thinks that there are two laptops,...
分类:其他好文   时间:2014-08-09 11:47:17    阅读次数:276
poj 1845(等比数列前n项和及快速幂)
Sumdiv Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 13959   Accepted: 3433 Description Consider two natural numbers A and B. Let S be the sum of all natur...
分类:其他好文   时间:2014-08-09 11:43:07    阅读次数:226
Demo of Python "Map Reduce Filter"
Here I share with you a demo for python map, reduce and filter functional programming that owned by me(Xiaoqiang). I assume there are two DB tables, that `file_logs` and `expanded_attrs` which re...
分类:编程语言   时间:2014-08-09 04:57:17    阅读次数:525
JWPlayer支持SD/HD
First, we have to render two versions of our video: an SD (standard definition) and HD (high definition) one. Since the newer iPads, iPhones and And.....
分类:其他好文   时间:2014-08-09 02:24:08    阅读次数:476
Leetcode--Recover Binary Search Tree
Problem Description: Two elements of a binary search tree (BST) are swapped by mistake. Recover the tree without changing its structure. Note: A solution using O(n) space is pretty straigh...
分类:其他好文   时间:2014-08-08 21:22:36    阅读次数:315
[leetcode]Divide Two Integers
Divide Two IntegersDivide two integers without using multiplication, division and mod operator.不用* 、/、%来做除法。只能加减了啊亲!算法思路:一个一个加上去必超时,例如dividend = Integ...
分类:其他好文   时间:2014-08-08 20:59:36    阅读次数:186
Opennebula自定义VM 实现方法-Contextualizing Virtual Machines 2.2
from:http://archives.opennebula.org/documentation:archives:rel2.2:congThere are two contextualization mechanisms available in OpenNebula: the automati...
分类:其他好文   时间:2014-08-08 17:54:46    阅读次数:293
My understanding about smart pointer
Here are two simple questions. Problem A #include include using namespace std; class vehicle { public: vehicle(const string& name); virt...
分类:其他好文   时间:2014-08-08 17:48:16    阅读次数:264
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