An unbounded blocking queue that uses the same ordering rules as class PriorityQueue and supplies blocking retrieval operations.?While this queue is logically unbounded, attempted additions may fa...
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编程语言 时间:
2015-10-17 17:55:33
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335
浏览器为了重新渲染部分或整个页面,重新计算页面元素位置和几何结构(geometries)的进程叫做 reflow。由于 reflow 是一种浏览器中的用户拦截(user-blocking)操作,所以了解如何减少 reflow 次数,及不同的文档属性(DOM 层级(DOM depth),CSS 效率,...
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Web程序 时间:
2015-10-15 12:56:00
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190
-- 死锁查询语句SELECT bs.username "Blocking User", bs.username "DB User", ws.username "Waiting User", bs.SID "SID", ws.SID "WSID", bs.s...
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数据库 时间:
2015-10-13 00:15:36
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268
Download source - 93.5 KBIntroductionThough performance blocking and sluggishness are the tailbacks for any application, we can easily overcome these ...
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其他好文 时间:
2015-10-02 10:05:56
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362
Asynchronous and non-Blocking I/O Real-time web features require a long-lived mostly-idle connection per user. In a traditional synchronous web server, this implies devoting one thread to each user...
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其他好文 时间:
2015-10-02 01:33:43
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252
select * from sys.sysprocesses where blocked>0; 96被95block住了。 dbcc INPUTBUFFER(95) dbcc INPUTBUFFER(96)
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数据库 时间:
2015-09-24 19:15:20
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147
转载自http://blog.csdn.net/zhoudaxia/article/details/8974779同步(synchronous) IO和异步(asynchronous) IO,阻塞(blocking) IO和非阻塞(non-blocking)IO分别是什么,到底有什么区别?这个问题其...
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其他好文 时间:
2015-09-16 18:02:53
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277
原文链接:http://blog.sqlauthority.com/2010/10/06/sql-server-quickest-way-to-identify-blocking-query-and-resolution-dirty-solution/SELECTdb.name DBName,tl....
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数据库 时间:
2015-09-12 16:08:39
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170
I was recently reading aserieson “Write Sequential Non-Blocking IO Code With Fibers in NodeJS” byVenkatesh.Venki was essentially trying to emphasize t...
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其他好文 时间:
2015-09-10 21:08:31
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202
--完成情况 变量V_BLOCKING_SID 用来动态抓取 产生锁的会话id,输出参数没有任何问题,但是执行报错 标识符无效!CREATE OR REPLACE PROCEDURE SOLVE_LOCK123ASV_SQL VARCHAR2(3000); --定义 v_sql 接受抓取锁的sql语...
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数据库 时间:
2015-09-03 16:32:46
阅读次数:
158