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Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space? 1 /** 2 * Definition for singly-linked l....
分类:其他好文   时间:2014-09-13 20:06:35    阅读次数:184
Path Sum
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
分类:其他好文   时间:2014-09-13 20:04:45    阅读次数:278
ZOJ 3780
Paint the Grid AgainTime Limit:2 Seconds Memory Limit:65536 KBLeo has a grid withN×Ncells. He wants to paint each cell with a specific color (either b...
分类:其他好文   时间:2014-09-13 18:44:15    阅读次数:260
The connection to adb is down, and a severe error has occured. 解决方法汇总和自创方法
转载请注明出处:http://write.blog.csdn.net/postedit/39249761昨天更新了sdk的版本后先是出现了sdk要求版本和adt版本不符合的错误,然后解决了之后又出现运行android程序启动模拟器出现以下错误:The connection to adb is dow...
分类:数据库   时间:2014-09-13 13:20:35    阅读次数:220
POJ3007(Organize Your Train part II)
传送门Organize Your Train part IITime Limit:1000MSMemory Limit:65536KDescriptionRJ Freight, a Japanese railroad company for freight operations has recent...
分类:其他好文   时间:2014-09-12 23:18:04    阅读次数:331
POJ2485:Highways(模板题)
http://poj.org/problem?id=2485DescriptionThe island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traff...
分类:其他好文   时间:2014-09-12 21:57:04    阅读次数:298
POJ1258:Agri-Net(最小生成树模板题)
http://poj.org/problem?id=1258DescriptionFarmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivi...
分类:Web程序   时间:2014-09-12 20:27:54    阅读次数:275
在JAVA中实现JDBC数据库连接池
ava程序员都很羡慕Windows ADO ,只需要new Connection 就可以直接从数据库连接池中返回Connection。并且 ADO Connection 是线程安全的,多个线程可以共用一个Connection,所以ASP程序一般都把getConnection 放在 Global.as...
分类:数据库   时间:2014-09-12 19:01:33    阅读次数:222
HDU - 3746 Cyclic Nacklace (KMP求循环节)
Description CC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are only 99.9 yuan left. he is too distressed and thinki...
分类:其他好文   时间:2014-09-12 17:12:53    阅读次数:202
高并发下无法拿到redis connection问题调试与分析
我们组的搜索服务在业务量大时会时不时出现应用拿不到redis 的connection,整个程序的所有线程都卡在如下的位置,导致前端的新请求进不来,搜索服务假死,整个程序无响应。Thread 4 (Thread 0x7ff97222d700 (LWP 222201)):#0 0x000000339f....
分类:其他好文   时间:2014-09-12 16:55:23    阅读次数:276
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