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What is the difference between const int*, const int * const, and int const *?
I always mess up how to use const int* , const int * const , and int const * correctly. Is there a set of rules defining what you can and cannot do?
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Find an element in a list of tuples
...In the example of the OP, this would return (1,4) as opposed to both (1,2) and (1,4).
– BBischof
Jun 12 '16 at 0:51
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How can I determine whether a 2D Point is within a Polygon?
..., but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slo...
How to add property to a class dynamically?
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I suppose I should expand this answer, now that I'm older and wiser and know what's going on. Better late than never.
You can add a property to a class dynamically. But that's the catch: you have to add it to the class.
>>> class Foo(...
Pandas index column title or name
How do I get the index column name in python pandas? Here's an example dataframe:
9 Answers
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Why does C++ require a user-provided default constructor to default-construct a const object?
The C++ standard (section 8.5) says:
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Fast Bitmap Blur For Android SDK
Currently in an Android application that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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How to show all shared libraries used by executables in Linux?
...t answer (I've up-voted it) but can you explain the "grep -P '\t.*so'" command? According to man, this interprets the pattern as a perl regexp, but my version of grep doesn't support it (man indicates this is a general issue). What bit of the regexp is perl-specific?
– Bobby Ja...
Why are empty strings returned in split() results?
... back the original string.
If the empty strings were not there, the first and last '/' would be missing after the join()
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Drawing a dot on HTML5 canvas [duplicate]
... on the HTML5 canvas is quite straightforward using the context.moveTo() and context.lineTo() functions.
6 Answers
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