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How do exceptions work (behind the scenes) in c++

...ptions work behind the scenes, so I can make decisions of when to use them and whether they are slow. 7 Answers ...
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How do I “commit” changes in a git submodule? [duplicate]

I have, in my naivety, set up a git submodule and treated it like a Subversion external - i.e. it's now full of changes that I've just realized haven't been committed or pushed anywhere. ...
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How to call shell commands from Ruby

How do I call shell commands from inside of a Ruby program? How do I then get output from these commands back into Ruby? 20...
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Downcasting in Java

... @UnKnown: it shouldn't. Double check that you actually compiled and ran that version and if you can still reproduce it, post a separate question (with an SSCCE). – Joachim Sauer Apr 20 '16 at 16:04 ...
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Associating enums with strings in C#

...t would be a tiny bit slower, but this would in most cases be neglectable. And it wouldn't have the exact same behaviour in the editor. E.G.: switching over this one wouldn't automatically fill in a case for each possibility. Other than those minor points, I think this is probably a rather simple so...
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How good is Java's UUID.randomUUID?

I know that randomized UUIDs have a very, very, very low probability for collision in theory, but I am wondering, in practice, how good Java's randomUUID() is in terms of not having collision? Does anybody have any experience to share? ...
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Run ssh and immediately execute command [duplicate]

I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example: 3 Answers ...
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Remote JMX connection

...s. The server was on a VM. The VM was deployed fenced so it has internal and an external IP addresses. We started the server java process with -Djava.rmi.server.hostname=<external-ip-address>. – buzz3791 Oct 28 '13 at 21:39 ...
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difference between #if defined(WIN32) and #ifdef(WIN32)

... yeah, but you could also cascade #ifdef UNIX with #ifndef WIN32, and get the same flexibility (not as readable, I agree) – jpinto3912 Nov 11 '09 at 11:42 2 ...
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Python 3.x rounding behavior

I was just re-reading What’s New In Python 3.0 and it states: 11 Answers 11 ...