Problem
Link:http://oj.leetcode.com/problems/longest-consecutive-sequence/This problem
is a classical problem where we can reduce the running time by ...
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其他好文 时间:
2014-05-05 22:55:22
阅读次数:
552
用 'top -i' 看看有多少进程处于 Running 状态,可能系统存在内存或 I/O 瓶颈,用 free 看看系统内存使用情况,swap 是否被占用很多,用 iostat 看看 I/O 负载情况...
还有一种办法是 ps -ef | sort -k7 ,将进程按运行时间排序,看哪个进程消耗的cpu时间最多。
top:
主要参数
d:指定更新的间隔,以秒计算。
q:没有任何延迟...
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系统相关 时间:
2014-05-05 13:09:00
阅读次数:
526
中文版显示:Firefox 已经在运行,但是没有响应。如要打开新窗口,您必须先关闭该 Firefox 进程,或者重新启动您的系统。
英文版显示:Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or ...
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系统相关 时间:
2014-05-04 17:44:21
阅读次数:
647
??
SQL Server online consultants came across an interesting scenario where one of our client was unable to restore a native SQL Server backup successfully performed from one instance running on M...
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数据库 时间:
2014-05-04 17:42:50
阅读次数:
394
1.运行Burp site,点击Proxy标签,确认Options选项卡下,Proxy
listeners的running运行正常(勾选状态为运行),如果端口打开失败,可能的原因是有程序占用了该端口,点击edit,在local listener
port:输入框输入一个未占用的端口,点击update...
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其他好文 时间:
2014-05-01 22:23:46
阅读次数:
665
javafx.concurrency并发包是为方便javafx Application Thread也就是javafx的UI线程与后台线程安全交互的工具包。
接口:Worker.
Worker接口封装了Worker.State枚举作为Worker的状态:READY,SCHEDULED,RUNNING,SUCCEDED,FAILED,CANCELLED.
Worker拥有下面这些只读prope...
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编程语言 时间:
2014-05-01 21:51:52
阅读次数:
691
What is Health Monitoring?Health Monitoring is
a framework for monitoring status of running ASP.NET applications and logging
significant ASP.NET appli...
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Web程序 时间:
2014-05-01 12:37:12
阅读次数:
525
限制并发select的patch,代码量很少,主要是为了学习mysql的源码,yy一下。增加两个全局控制变量:
thread_limit_min thread_limit_max增加一个条件变量: COND_thread_running_limit增加一个新的错误码:
concurr...
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数据库 时间:
2014-05-01 07:14:13
阅读次数:
576
问题现象:
Eclipse按装maven插件之后,每次启动Eclipse都会弹出:
Eclipse is running in a JRE, but a JDK is required
Some Maven plugins may not work when importing projects or updating source folders.
问题原因:
从提示信息上看,就是...
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系统相关 时间:
2014-04-30 22:11:38
阅读次数:
382
The blocks in the city of Fishburg are of square form. N avenues running south to north and Mstreets running east to west bound them. A helicopter took off in the most southwestern
crossroads and fl...
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其他好文 时间:
2014-04-27 21:16:59
阅读次数:
255