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Tricks to manage the available memory in an R session
...low [based on postings by Petr Pikal and David Hinds to the r-help list in 2004] to list (and/or sort) the largest objects and to occassionally rm() some of them. But by far the most effective solution was ... to run under 64-bit Linux with ample memory.
...
9个常用iptables配置实例 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...DoS攻击防范:
iptables -A INPUT -p tcp --dport 80 -m limit --limit 25/minute --limit-burst 100 -j ACCEPT
--litmit 25/minute 指示每分钟限制最大连接数为25
--litmit-burst 100 指示当总连接数超过100时,启动 litmit/minute 限制
8.配置web流量均衡
我们可以...
What's the best way to join on the same table twice?
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
git ahead/behind info between master and branch?
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
Efficiently updating database using SQLAlchemy ORM
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evandrix
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answered Nov 10 '08 at 17:40
Ants AasmaAnts Aasma
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What's the difference between libev and libevent?
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
Do declared properties require a corresponding instance variable?
...5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.951...
When - and why - should you store data in the Windows Registry?
...r sure ;)
– new123456
Aug 26 '13 at 20:01
1
@grep, Re "no idea what most of them do", Why not? Be...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
...iQuassnoi
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How can I programmatically get the MAC address of an iphone
...maSamPyjamaSam
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