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Function overloading by return type?
...Contrary to what others are saying, overloading by return type is possible and is done by some modern languages. The usual objection is that in code like
int func();
string func();
int main() { func(); }
you can't tell which func() is being called. This can be resolved in a few ways:
Have a p...
Are there disadvantages to using a generic varchar(255) for all text-based fields?
...se Ruby on Rails migrations map String fields to VARCHAR(255) by default and I never bothered to override it).
7 Answer...
What is android:weightSum in android, and how does it work?
I want to know: What is android:weightSum and layout weight, and how do they work?
9 Answers
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Difference between binary semaphore and mutex
Is there any difference between a binary semaphore and mutex or are they essentially the same?
34 Answers
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Is JavaScript a pass-by-reference or pass-by-value language?
...er that a variable holding an object is in fact a reference to the object) and passed-by-reference (when we consider that the variable to the object holds the object itself).
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Why does Python print unicode characters when the default encoding is ASCII?
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Thanks to bits and pieces from various replies, I think we can stitch up an explanation.
By trying to print an unicode string, u'\xe9', Python implicitly try to encode that string using the encoding scheme currently stored in sys.stdout.e...
Hash collision in git
...f? Well the Moon is made up of about 1047 atoms. So if we have 10 Moons... and you randomly pick one atom on one of these moons... and then go ahead and pick a random atom on them again... then the likelihood that you'll pick the same atom twice, is the likelihood that two given git commits will hav...
Difference between Inheritance and Composition
Are Composition and Inheritance the same?
If I want to implement the composition pattern, how can I do that in Java?
17 Ans...
How to place and center text in an SVG rectangle
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An easy solution to center text horizontally and vertically in SVG:
Set the position of the text to the absolute center of the element in which you want to center it:
If it's the parent, you could just do x="50%" y ="50%".
If it's another element, x would be the x o...
Developing cross platform mobile application [closed]
More and more mobile platforms are being launched and sdk's are available to developers. There are various mobile platform are available:
Android, iOS, Moblin, Windows mobile 7, RIM, symbian, bada, maemo etc.
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