Is there any good reason that an empty set of round brackets (parentheses) isn't valid for calling the default constructor in C++? ...

Is there a command in Git to see (either dumped to stdout, or in $PAGER or $EDITOR ) a particular version of a particular file? ...

I was doing some reading on enums and find them very similar to declaring constants. How would I know when to use a constant rather than an enum or vice versa. What are some of the advantages of using enums? ...

I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...

Any reason I should use Dictionary instead of NameValueCollection? 3 Answers 3 ...

Is there a way of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly. ...

I get an error on line 6 (initialize my_foo to foo_init) of the following program and I'm not sure I understand why. 5 Answ...

I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...

We have a class that holds configuration information for the application. It used to be a singleton. After some architectural review, we were told to remove the singleton. We did see some benefits of not using singleton in the unit testing because we can test different configurations all at once. ...

I have strings with extra whitespaces, each time there's more than only one whitespace I'd like it be only one. 11 Answers ...