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How to overload the operator++ in two different ways for postfix a++ and prefix ++a?
... Number& operator++ () // prefix ++
{
// Do work on this. (increment your object here)
return *this;
}
// You want to make the ++ operator work like the standard operators
// The simple way to do this is to implement postfix in ...
How do I check whether a jQuery element is in the DOM?
...
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
...
Any way to declare an array in-line?
... It resembles casting. I think that's how I'll think of it so I don't have to google it the once in a bluemoon I need to do this.
– ArtOfWarfare
Aug 21 '12 at 16:10
1
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Why do we need entity objects? [closed]
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I think it comes down to how complicated the "logic" of the application is, and where you have implemented it. If all your logic is in stored procedures, and all your application does is call those procedures and display the results, then de...
How do I specify the exit code of a console application in .NET?
...cation. I'd like to specify the "exit code" of my console application. How do I do this?
12 Answers
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How do I get a list of all subdomains of a domain? [closed]
I want to find out all the subdomains of a given domain. I found a hint which tells me to dig the authoritative Nameserver with the following option:
...
How do I edit an incorrect commit message in git ( that I've pushed )?
...ng was wrong, and just
edit it before pushing it out.
I could have done the same with git. It would have been easy enough to
make just the commit message not be part of the name, and still guarantee
that the history was untouched, and allow the "fix up comments later"
thing.
Bu...
How do I alias commands in git?
...the alias has a space:
$ git config --global alias.ci 'commit -v'
On windows, use double quotes if the alias has a space or a command line argument:
c:\dev> git config --global alias.ci "commit -v"
The alias command even accepts functions as parameters. Take a look at aliases.
...
How do I test if a variable is a number in Bash?
I just can't figure out how do I make sure an argument passed to my script is a number or not.
38 Answers
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Is it expensive to use try-catch blocks even if an exception is never thrown?
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try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack and seeing if any ...