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高性能服务框架revolver:RUDP(可靠UDP)算法详解(2)
除了发送函数以外,发送缓冲区对象还会响应来自网络的on_ack和on_nack消息,这两个消息分别是处理正常的状态报告和丢包情况下的网络报告。如果收到on_ack,缓冲区对象会把已经接收端报告过来的报文ID全部从发送窗口中删除,然后调用attempt_send尝试新的块发送。如果收到的是on_nac...
分类:编程语言   时间:2015-01-28 14:35:28    阅读次数:236
Five Steps to Avoiding Java Heap Space Errors
来自:https://www.mapr.com/blog/how-to-avoid-java-heap-space-errors-understanding-and-managing-task-attempt-memory#.VMWvNDGUfXYKeeping these five steps i...
分类:编程语言   时间:2015-01-26 16:42:41    阅读次数:218
Android - Bug: runOnUiThread
Bug: runOnUiThread本文地址: http://blog.csdn.net/caroline_wendyBug:java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v4.app.FragmentActivity.runOnUiThread(java.lang.Ru...
分类:移动开发   时间:2015-01-13 08:58:41    阅读次数:222
iOS 跳转出现attempt to dismiss modal view controller whose view does not currently ……的解决方案
今天在设置修改密码成功进行跳转到登录页面重新登录的时候,我写的原代码是:  [self dismissViewControllerAnimated:YES completion:nil];           [UIApplication sharedApplication].keyWindow.rootViewController = [[loginViewController alloc...
分类:移动开发   时间:2015-01-09 10:47:16    阅读次数:236
Hadoop集群中使用Hive查询报错
今天在使用Hive查询某分析数据最大值的时候,出现了一定的问题,hive中现象如下: Caused by: java.io.FileNotFoundException://http://slave1:50060/tasklog?attemptid=attempt_201501050454_0006_m_00001_1 然后查看一下jobtracker的日志: 20...
分类:其他好文   时间:2015-01-06 15:41:24    阅读次数:212
c3p0连接池异常
java.sql.SQLException:?An?attempt?by?a?client?to?checkout?a?Connection?has?timed?out. [Cause:?com.mchange.v2.resourcepool.TimeoutException:?A?client?timed?out?while?waiting?to?...
分类:其他好文   时间:2014-12-25 18:51:56    阅读次数:265
Attempt to present on whose view is not in the window hierarchy!
在开发的时候,有时候会遇到 1.ios attempt to present whose view is not in the window hierarchy 2.Warning: Attempt to present on whose view is not in the window hierarchy! 等等这样类似的提示,只要里面提示有 window hierarchy...
分类:Windows程序   时间:2014-12-23 17:28:57    阅读次数:208
ios8.0 ipad UIImagePickerController
Warning: Attempt to present UIImagePickerController: 0x7c0ae400> on CAGUCreateContactViewController: 0x7bf61a00> which is already presenting (null) 解决办法 if([[[UIDevice currentDevice...
分类:移动开发   时间:2014-12-18 18:52:51    阅读次数:209
CocoaPods 错误解决--Attempt to read non existent folder
最近练习AutoLayout的时候用到UIView+AutoLayout 第三方 于是给项目上了CocoaPods 但是报了一下错误"Attempt to read non existent folder";如下图;网上搜索解决办法,在终端输入:sudo -- sh -c "echo '117.18...
分类:其他好文   时间:2014-12-18 13:14:25    阅读次数:181
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