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How to return an empty ActiveRecord relation?
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edited Nov 9 '16 at 2:25
Patrick Brinich-Langlois
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How do I find the caller of a method using stacktrace or reflection?
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12 Answers
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Pan & Zoom Image
...(ScaleTransform)image.RenderTransform;
double zoom = e.Delta > 0 ? .2 : -.2;
st.ScaleX += zoom;
st.ScaleY += zoom;
}
To handle the panning the first thing I did was to handle the MouseLeftButtonDown event on the image, to capture the mouse and to record it's location, I also store t...
Convert data.frame column to a vector?
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I'm going to attempt to explain this without making any mistakes, but I'm betting this will at...
USB Debugging option greyed out
I have an LG-E405 phone running Android 2.3.6.
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How to find a hash key containing a matching value
... I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
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How to implement “select all” check box in HTML?
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29 Answers
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How to check if AlarmManager already has an alarm set?
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Following up on the comment ron posted, here is the detailed solution. Let's say you have regi...