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What is the correct way to create a single-instance WPF application?
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How to import multiple .csv files at once?
Suppose we have a folder containing multiple data.csv files, each containing the same number of variables but each from different times.
Is there a way in R to import them all simultaneously rather than having to import them all individually?
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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
...AQ上有其性能描述（http://msdn.microsoft.com/en-us/library/aa140060(v=office.10).aspx#odc_xlrtdfaq_whatisrtd），据说在一台配置为 Pentium III 500 MHz 的CPU和 128 MB 内存的电脑上，RTD可以在一秒内对20000个独立的主题（topic）更新三次，对于单独一个主...
How expensive is RTTI?
...erstand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
I am going through some MVVM articles, primarily this and this .
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Get path of executable
I know this question has been asked before but I still haven't seen a satisfactory answer, or a definitive "no, this cannot be done", so I'll ask again!
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Check if a class is derived from a generic class
I have a generic class in my project with derived classes.
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Get operating system info
... http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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What are the differences between NP, NP-Complete and NP-Hard?
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