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Why do we need a pure virtual destructor in C++?
...:color() if all it knows is that it IS-A pointer to Fruit.
So now to the idea of a "pure virtual function" comes up.
It is a rather unfortunate phrase as purity has nothing to do with it. It means that it is intended that the base class method is never to be called.
Indeed a pure virtual function ...
How to automatically generate N “distinct” colors?
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Here's an idea. Imagine an HSV cylinder
Define the upper and lower limits you want for the Brightness and Saturation. This defines a square cross section ring within the space.
Now, scatter N points randomly within this space.
Th...
Android: AsyncTask vs Service
...y have a AsyncTask object!" Thanks for pointing that out. But is it a good idea - is it something you'd recommend? Or would it be better to use more basic threading techniques in a service?
– RenniePet
Jul 30 '13 at 14:59
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“Diff” an image using ImageMagick
...mpose darken -composite ')' \
-channel RGB -combine diff.png
The idea is follows: convert both file1.png and file2.png to grayscale. Then trat the first as the red channel of the resulting image, the second as the green channel. The blue channel is formed from these two using the darken co...
What does gcc's ffast-math actually do?
... checked to see if GCC actually does this particular optimization. But the idea is the same.
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Master-master vs master-slave database architecture?
...r was developed with high availability and scalability in mind and is the ideal solution to be used for environments that require no downtime, high avalability and horizontal scalability.
See MySQL Cluster 101 for more information
Pros
(High Avalability) No single point of failure
Very high th...
Should I use #define, enum or const?
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−1 The idea of runtime type checking is an abomination.
– Cheers and hth. - Alf
Aug 31 '16 at 0:54
add a co...
Request is not available in this context
...NameKey] = currContext.User.Identity.Name;
}
}
// General idea coming from
// http://piers7.blogspot.fr/2005/12/log4net-context-problems-with-aspnet.html
// We can not use log4net ThreadContext or LogicalThreadContext with asp.net, since
// asp.net may switch thread whi...
How to split text without spaces into list of words?
...o change the line defining wordcost to reflect the intended meaning.)
The idea
The best way to proceed is to model the distribution of the output. A good first approximation is to assume all words are independently distributed. Then you only need to know the relative frequency of all words. It is ...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...a great mechanism thank you @Jesse although I'd like to ask if you have an idea of achieving same effect with this mechanism.. I have things in mind but I want to listen to your opinion.. thank you!
– Mohammed R. El-Khoudary
Sep 27 '14 at 19:36
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