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How does BLAS get such extreme performance?
...t makes use of some multiprocessor architecture with shared memory.
Level 3 functions are operations like the matrix-matrix product. Again you could implement them in terms of Level2 functions. But Level3 functions perform O(N^3) operations on O(N^2) data. So if your platform has a cache hierarc...
Is std::vector so much slower than plain arrays?
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Using the following:
g++ -O3 Time.cpp -I <MyBoost>
./a.out
UseArray completed in 2.196 seconds
UseVector completed in 4.412 seconds
UseVectorPushBack completed in 8.017 seconds
The whole thing completed in 14.626 seconds
So array is...
ggplot with 2 y axes on each side and different scales
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M--
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answered Jun 25 '10 at 10:40
AndreasAndreas
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Configure WAMP server to send email
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Wesley MurchWesley Murch
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Check if a String contains numbers Java
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233
try this
str.matches(".*\\d.*");
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Excel RTD(Excel Real-Time Data)实时刷新数据技术 - C/C++ - 清泛网 - 专注C/C++及内核技术
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来源：http://www.cnblogs.com/makemelaugh/archive/2008/11/06/1327960.html
创建一个项目ExcelRTD，添加Microsoft.Office.Interop.Excel引用。创建一个类MarketData.cs，这个类继承IRtdServer接口，以实现一个RTD Server。新建另一个类DataCollector.cs用于从...
How to document class attributes in Python? [closed]
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Checking for NULL pointer in C/C++ [closed]
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edited Sep 30 '10 at 1:10
answered Sep 29 '10 at 20:45
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Hidden Features of C#? [closed]
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Indenting #defines
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Pre-ANSI C preprocessor did not allow for space between the start of a line and the "#" characte...