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What is the “__v” field in Mongoose
I'm using Mongoose version 3 with MongoDB version 2.2. I've noticed a __v field has started appearing in my MongoDB documents. Is it something to do with versioning? How is it used?
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Is it possible to use getters/setters in interface definition?
At the moment, TypeScript does not allow use get/set methods(accessors) in interfaces.
For example:
4 Answers
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Understanding Canvas and Surface concepts
I'm struggling to understand the process of drawing to SurfaceView and therefore the whole Surface / Canvas / Bitmap system, which is used in Android.
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How to branch with TortoiseHG
I downloaded TortoiseHg 1.0 for evaluation. For the life of me I can't figure out how to make a branch. It seems to understand branches (e.g. in its repository browser) but I just can't seem to find a way to make a branch. This seems like such a fundamental capability since out of the often toute...
CFLAGS vs CPPFLAGS
I understand that CFLAGS (or CXXFLAGS for C++) are for the compiler, whereas CPPFLAGS is used by the preprocessor.
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What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
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If threads share the same PID, how can they be identified?
I have a query related to the implementation of threads in Linux.
3 Answers
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C/C++ NaN constant (literal)?
Is this possible to assign a NaN to a double or float in C/C++? Like in JavaScript you do: a = NaN . So later you can check if the variable is a number or no.
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SVG Positioning
I'm having a play with SVG and am having a few problems with positioning. I have a series of shapes which are contained in the g group tag. I was hoping to use it like a container, so I could set its x position and then all the elements in that group would also move. But that doesn't seem to be po...
Does setWidth(int pixels) use dip or px?
Does setWidth(int pixels) use device independent pixel or physical pixel as unit?
For example, does setWidth(100) set the a view's width to 100 dips or 100 pxs?
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