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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]
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answered Feb 18 '10 at 11:31
kimchykimchy
8,39611 gold badge1313 silver badges66 bronze badges
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string.Join on a List or other type
...
The best way is to upgrade to .NET 4.0 where there is an overload that does what you want:
String.Join<T>(String, IEnumerable<T>)
If you can't upgrade, you can achieve the same effect using Select and ToArray.
return string.Join(",", a.Selec...
nvm keeps “forgetting” node in new terminal session
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+50
Try nvm alias default. For example:
$ nvm alias default 0.12.7
This sets the default node version in your shell. Then verify that th...
Implement C# Generic Timeout
... method with a 6 second timeout
CallWithTimeout(FiveSecondMethod, 6000);
//try the five second method with a 4 second timeout
//this will throw a timeout exception
CallWithTimeout(FiveSecondMethod, 4000);
}
static void FiveSecondMethod()
{
Thread...
Cross compile Go on OSX?
...o myself.
– T Blank
Jan 16 '17 at 6:07
1
Great answer, thank you! In order to compile for use on ...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
...possible function.
Here's an easy example:
void foo() {
if (bar() == 0) this->a = 1;
}
How can a compiler determine, just from looking at that code, whether foo will ever change a? Whether it does or doesn't depends on conditions external to the function, namely the implementation of bar....
MySQL ON DUPLICATE KEY - last insert id?
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Check this page out: https://web.archive.org/web/20150329004325/https://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html
At the bottom of the page they explain how you can make LAST_INSERT_ID meaningful for updates by passing an expression to that MySQL function.
Fr...
Twitter bootstrap scrollable table
...ave a table on my website. The problem is that this table will have about 400 lines. How can I limit the table's height, and apply scrollbar to it?
This is my code:
...
Nullable type as a generic parameter possible?
... Neuron
3,54333 gold badges2323 silver badges4040 bronze badges
answered Oct 16 '08 at 16:04
Greg DeanGreg Dean
25.8k1212 go...
C# 能否获取一个对象所占内存的大小？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...r buffer = stream.ToArray();
fileStream.Write(buffer, 0, buffer.Length);
fileStream.Flush();
}
return stream.Length;
}
}
}
var student = new Student();
long size = GetObjectSize(student); //139个字...