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对外网用户的squid代理+认证 - 更多技术 - 清泛网 - 专注C/C++及内核技术
对外网用户的squid代理+认证FreeBSD6 2+Squid2 6架设对外网用户的squid代理+认证服务器架设一台代理，提供对外网用户的代理请求，端口仍然为3128，加入Squid认证功能。 FreeBSD6.2+Squid2.6架设“对外网用户的squid代理+认证”服务器架设...
Symbolic links and synced folders in Vagrant
...der "virtualbox" do |v|
v.customize ["setextradata", :id, "VBoxInternal2/SharedFoldersEnableSymlinksCreate/v-root", "1"]
end
Additionally, on windows vagrant up needs to be executed in a shell with admin rights.
No workarounds necessary.
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...安装成功postfix（地址在这里http://www.extmail.org/forum/archive/2/0510/563.html）。现在把我安装过程中遇到的问题及解决方法提供给大家，以方便新手。高手就不要看了
说明一下：Q代表安装过程中遇到的问题，或者是日志中出现的...
How to check if PHP array is associative or sequential?
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Python strftime - date without leading 0?
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edited Apr 8 '17 at 7:42
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8061212 silver badges1919 bronze badges
answered Jan 15 '10 at 16:38
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Calculating Pearson correlation and significance in Python
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You can have a look at scipy.stats:
from pydoc import help
from scipy.stats.stats import pear...
Where can I get a list of Ansible pre-defined variables?
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Argh! From the FAQ:
How do I see a list of all of the ansible_ variables?
Ansible by default ...
Big-O for Eight Year Olds? [duplicate]
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Split comma-separated strings in a column into separate rows
...ackage (see code below).
The sample data given by the OP consists only of 20 rows. To create larger data frames, these 20 rows are simply repeated 1, 10, 100, 1000, 10000, and 100000 times which give problem sizes of up to 2 million rows.
Benchmark results
The benchmark results show that for s...