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std::vector performance regression when enabling C++11
I have found an interesting performance regression in a small C++ snippet, when I enable C++11:
1 Answer
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List all indexes on ElasticSearch server?
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For a concise list of all indices in your cluster, call
curl http://localhost:9200/_aliases
this will give you a list of indices and their aliases.
If you want it pretty-printed, add pretty=true:
curl http://localhost:9...
What is a clean, pythonic way to have multiple constructors in Python?
I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem?
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What's the UIScrollView contentInset property for?
... to me what the contentInset property in a UIScrollView instance is used for? And maybe provide an example?
5 Answers
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How to apply a function to two columns of Pandas dataframe
... Added an example to my answer, hope this does what you're looking for. If not, please provide a more specific example function since sum is solved successfully by any of the methods suggested so far.
– Aman
Nov 12 '12 at 14:51
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Get the client IP address using PHP [duplicate]
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$ipaddress = getenv('HTTP_CLIENT_IP');
else if(getenv('HTTP_X_FORWARDED_FOR'))
$ipaddress = getenv('HTTP_X_FORWARDED_FOR');
else if(getenv('HTTP_X_FORWARDED'))
$ipaddress = getenv('HTTP_X_FORWARDED');
else if(getenv('HTTP_FORWARDED_FOR'))
$ipaddress = get...
What is __future__ in Python used for and how/when to use it, and how it works
...uently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
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Boost.Asio的简单使用(Timer,Thread,Io_service类) - C/C++ - 清泛网 - 专注C/C++及内核技术
....除了使用boost::array,也可以使用char [] 或std::vector.
for (;;)
{
boost::array<char, 128> buf;
boost::asio::error error;
size_t len = socket.read_some(
boost::asio::buffer(buf), boost::asio::assign_error(error));
当服务器关闭连接时,boost::a...
Rolling median algorithm in C
... ways to do it. The first is to sort the initial window of values, then perform a binary search to insert the new value and remove the existing one at each iteration.
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How to process SIGTERM signal gracefully?
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Thanks for the idea! I used a modified approach in reboot-guard. github.com/ryran/reboot-guard/blob/master/rguard#L284:L304
– rsaw
Sep 6 '15 at 15:28
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