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Is gcc std::unordered_map implementation slow? If so - why?
... found the reason: it is a Problem of gcc-4.7!!
With gcc-4.7
inserts: 37728
get : 2985
With gcc-4.6
inserts: 2531
get : 1565
So std::unordered_map in gcc-4.7 is broken (or my installation, which is an installation of gcc-4.7.0 on Ubuntu - and another installation which is gcc 4.7.1 on d...
WITH CHECK ADD CONSTRAINT followed by CHECK CONSTRAINT vs. ADD CONSTRAINT
I'm looking at the AdventureWorks sample database for SQL Server 2008, and I see in their creation scripts that they tend to use the following:
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How do I convert a String object into a Hash object?
...d rm -fr
– Pithikos
Apr 5 '16 at 14:23
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How to know what the 'errno' means?
When calling execl(...) , I get an errno=2 . What does it mean? How can I know the meaning of this errno ?
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An efficient way to transpose a file in Bash
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how to break the _.each function in underscore.js
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You can't break from the each method—it emulates the native forEach method's behavior, and t...
In a Bash script, how can I exit the entire script if a certain condition occurs?
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Michael FoukarakisMichael Foukarakis
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
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How to get first character of a string in SQL?
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edited Dec 30 '12 at 9:40
Mahmoud Gamal
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