...n a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing? ...

I was ramdomming through xkcd and saw this one (if also read some negative texts about them some years ago): What is actually wrong with it? Why are goto's even possible in C++ then? ...

... It is safe to expect that the comparison will return true if and only if the double variable has a value of exactly 0.0 (which in your original code snippet is, of course, the case). This is consistent with the semantics of the == operator. a == b means "a is equal to b". It is not sa...

What is the difference between a heuristic and an algorithm? 12 Answers 12 ...

...rite -- such as i++, which is equivalent to i = i + 1, which does one read and one write -- is not atomic, since another thread may write to i between the read and the write. The Atomic classes, like AtomicInteger and AtomicReference, provide a wider variety of operations atomically, specifically i...

Is there any way I can create a text file on the client side and prompt the user to download it, without any interaction with the server? I know I can't write directly to their machine (security and all), but can I create and prompt them to save it? ...

...pt that it is more concise, provides the serialization machinery for free, and provides an ironclad guarantee against multiple instantiation, even in the face of sophisticated serialization or reflection attacks. While this approach has yet to be widely adopted, a single-element enum type is the bes...

I wondered if anyone had experience in handling JavaScript errors globally and send them from the client browser to a server. ...

...uses reduce() function in python? Is there any code other than the usual + and * that we see in the examples? 24 Answers ...

Java has generics and C++ provides a very strong programming model with template s. So then, what is the difference between C++ and Java generics? ...