在负载较重的MySQL服务器上，有时你偶尔会看到一些连接超时的错误，诸如: Can’t connect to MySQL server on ‘mydb’(110)。如果当时你有多个连接请求，你会发现其它连接却没问题。这类问题开始时很不显眼，且长时间来看几乎可以忽略不计（注：次数不 多），类似于百万...
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数据库 时间：
2015-07-16 21:36:51
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179
Asp.Net WebAPI is a framework for building RESTful HTTP services which can be used across a wide range of clients including web, phone and desktop app...
Question 1: without division. We can simply compose left\right accumulated product arrays:typedef long long LL;class Solution {public: vector produ...
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其他好文 时间：
2015-07-16 16:13:00
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327
449.Which of the following objects can be directly referenced by a window object? (Choose all that apply.)
A. Schedule object
B. Program object
C. Job object
D. Resource plan
E. Resource consumer...
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其他好文 时间：
2015-07-16 14:06:25
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179
How Many Equations Can You FindTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 691Accepted Submiss...
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其他好文 时间：
2015-07-16 13:28:38
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112
解决方案，把新建的网站的app.config修改下配置把false改为true之后再启动客户端的话，会提示这个Security Warning: Attaching to a process owned by an untrusted user can be dangerous. If the fo...
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其他好文 时间：
2015-07-16 11:36:58
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256
svn up --set-depth exclude dir2http://stackoverflow.com/questions/1439176/svn-can-you-remove-directories-from-a-local-checkout-only-not-from-the-repos...
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其他好文 时间：
2015-07-16 11:17:09
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146
#?/etc/bash/bashrc
#
#?This?file?is?sourced?by?all?*interactive*?bash?shells?on?startup,
#?including?some?apparently?interactive?shells?such?as?scp?and?rcp
#?that?can‘t?tol...
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其他好文 时间：
2015-07-16 09:58:14
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243
It is possible to disable ARC for individual files by adding the -fno-objc-arc compiler flag for those files.You add compiler flags in Targets -> Buil...
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其他好文 时间：
2015-07-16 09:37:06
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106
I had a couple of interviews long ago which asked me to implemented a?least recently used (LRU)?cache. A cache itself can simply be implemented using a hash table, however adding a size limit giv...
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编程语言 时间：
2015-07-16 07:23:26
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178
