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LR性能测试结果样例分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...队列长度、内存使用率来看，被测服务器的硬件资源需要提升。
网页细分图
网页细分图可以评估页面内容是否影响事务响应时间。使用网页细分图，可以分析网站上有问题的元素（例如下载很慢的图像或打不开的链...
Uber5岁了，一次性告诉你它的商业之道 - 资讯 - 清泛网 - 专注C/C++及内核技术
...人驾驶汽车成为行业主力，驾驶不再是人力所必需的生存技能。
“但变革肯定会带来一部分人失业，会产生社会阵痛，这是在所难免的。”长江商学院战略学副教授滕斌圣对《中国新闻周刊》说，“但社会资源配置总是向更优...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...节点硬盘操作
1. 关闭主节点服务器，临时将辅节点提升为Primary
2. 为主节点替换新硬盘，并开机
3. 主节点正常启动后，关闭drbd进程
/etc/init.d/drbd stop
4. 对硬盘进行格式化，切忌不要为其创建EXT3文件系统
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How does Google Instant work?
...h href\x3d\x22http://stackoverflow.com/\x22\x3e\x3cscript\x3eje.pa(_loc, \x27rso\x27, \x27\\x3c!--m--\\x3e\\x3clink rel\\x3dprefetch href\\x3d\\x22http://stackoverflow.com/\\x22\\x3e\\x3cli class\\x3dg\\x3e\\x3ch3 class\\x3d\\x22r\\x22\\x3e\\x3ca href\\x3d\\x22http://stackoverflow.com/\\x22 class\\x...
What's the simplest way to subtract a month from a date in Python?
...(-12, 12):
print(monthdelta(datetime.now(), m))
2009-08-06 16:12:27.823000
2009-09-06 16:12:27.855000
2009-10-06 16:12:27.870000
2009-11-06 16:12:27.870000
2009-12-06 16:12:27.870000
2010-01-06 16:12:27.870000
2010-02-06 16:12:27.870000
2010-03-06 16:12:27.886000
2010-04-06 16:12:27.886000...
Is the != check thread safe?
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answered Aug 27 '13 at 8:35
Evgeniy DorofeevEvgeniy Dorofeev
120k2626 gold badges179179 silver badges245245 bronze badges
...
SQL query to select dates between two dates
...ere EmployeeId = 1
and Date between '2011/02/25' and '2011/02/27'
or can use
select Date, TotalAllowance from Calculation where EmployeeId = 1
and Date >= '2011/02/25' and Date <= '2011/02/27'
keep in mind that the first date is inclusive, but the second is exclu...
Create unique constraint with null columns
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answered Nov 27 '11 at 21:34
Erwin BrandstetterErwin Brandstetter
439k9696 gold badges809809 silver badges969969 bronze badges
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What's wrong with this 1988 C code?
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edited Dec 27 '11 at 3:33
answered Dec 27 '11 at 3:20
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Inline SVG in CSS
...x and Safari.
– Erik Dahlström
May 27 '12 at 19:46
3
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