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Remove duplicated rows using dplyr
I have a data.frame like this -
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Difference between knockout View Models declared as object literals vs functions
In knockout js I see View Models declared as either:
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Eclipse and Windows newlines
I had to move my Eclipse workspace from Linux to Windows when my desktop crashed. A week later I copy it back to Linux, code happily, commit to CVS. And alas, windows newlines have polluted many files, so CVS diff dumps the entire file, even when I changed a line or two!
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How to forward declare a template class in namespace std?
and used that function in my main. I get errors. Of course, I know that there are more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it?
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convert pfx format to p12
I need to export a .pfx format certificate (from windows mmc) to .p12 to use in another application. I cant find a way to do this. Can anyone suggest a method?
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How to add “on delete cascade” constraints?
In PostgreSQL 8 is it possible to add ON DELETE CASCADES to the both foreign keys in the following table without dropping the latter?
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Center/Set Zoom of Map to cover all visible Markers?
I am setting multiple markers on my map and I can set statically the zoom levels and the center but what I want is, to cover all the markers and zoom as much as possible having all markets visible
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Rails nested form with has_many :through, how to edit attributes of join model?
How do you edit the attributes of a join model when using accepts_nested_attributes_for?
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
Do I need to treat cases when I actully have nothing to move/copy with memmove() / memcpy() as edge cases
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Initializing a member array in constructor initializer
I believe the reason is that arrays can be initialized only with = syntax, that is:
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