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Import text file as single character string
How do you import a plain text file as single character string in R? I think that this will probably have a very simple answer but when I tried this today I found that I couldn't find a function to do this.
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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
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How do I sort one vector based on values of another
I have a vector x, that I would like to sort based on the order of values in vector y. The two vectors are not of the same length.
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How do I get the n-th level parent of an element in jQuery?
When I want to get, for example, the 3rd level parent of the element I must write $('#element').parent().parent().parent() Is there a more optimal method for this?
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How to duplicate virtualenv
I have an existing virtualenv with a lot of packages but an old version of Django.
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How to delete a certain row from mysql table with same column values?
I have a problem with my queries in MySQL. My table has 4 columns and it looks something like this:
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How can I determine whether a 2D Point is within a Polygon?
I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated.
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Convert Pixels to Points
I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate this conversion?
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Is there a way to quickly find files in Visual Studio 2010?
Does Visual Studio 2010 have a built-in way to quickly find/open files, similar to the Ctrl + Shift + O function in Eclipse?
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How to check date of last change in stored procedure or function in SQL server
I need to check when function was changed last time. I know how to check creation date (it is in function properties window in SQL Server Management Studio).
I found that in SQL Server 2000 it wasn't possible to check modify date ( look at this post: Is it possible to determine when a stored proc...