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Should I return EXIT_SUCCESS or 0 from main()?
...y portable way to indicate failure in a C or C++ program. exit(1) can actually signal successful termination on VMS, for example.
If you're going to be using EXIT_FAILURE when your program fails, then you might as well use EXIT_SUCCESS when it succeeds, just for the sake of symmetry.
On the other...
Rails find record with zero has_many records associated [duplicate]
...92465 - also answers your question about constructing the inverse and does all this with Arel
– novemberkilo
Sep 29 '13 at 16:06
5
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The tilde operator in C
...F hashing algorithm, and I'm curious what it does. (The code is from Eternally Confused .)
6 Answers
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How to list all Git tags?
...<pattern>
List tags with names that match the given pattern (or all if no pattern is given).
Typing "git tag" without arguments, also lists all tags.
More recently ("How to sort git tags?", for Git 2.0+)
git tag --sort=<type>
Sort in a specific order.
Supported type...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...
I had the exact same problem and it was driving me crazy!
Put all your hosts file entries for localhost into one line like so:
127.0.0.1 localhost myproject.dev myotherproject.dev
::1 localhost
fe80::1%lo0 localhost
Worked like a charm for me. Seems like a bug in Lion.
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How to use Fiddler to monitor WCF service
...k Tools | Fiddler Options => Connections => adjust the port as 8888.(allow remote if you need that)
Ok, then from file menu, capture the traffic.
That's all, but don't forget to remove the web.config lines after closing the fiddler, because if you don't it will make an error.
Reference : ht...
JavaScript: Check if mouse button down?
...ax' solution: it doesn't work if user clicks more than one button intentionally or accidentally. Don't ask me how I know :-(.
The correct code should be like that:
var mouseDown = 0;
document.body.onmousedown = function() {
++mouseDown;
}
document.body.onmouseup = function() {
--mouseDown;
}
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Learning Regular Expressions [closed]
I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them?
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How do I get an element to scroll into view, using jQuery?
...e click handler to an image with id="someImage". If you want to do this to all images, replace '#someImage' with 'img'.
Now for the actual scrolling code:
Get the image offsets (relative to the document):
var offset = $(this).offset(); // Contains .top and .left
Subtract 20 from top and left:
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How to add multiple files to Git at the same time
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To add all the changes you've made:
git add .
To commit them:
git commit -m "MY MESSAGE HERE" #-m is the message flag
You can put those steps together like this:
git commit -a -m "MY MESSAGE HERE"
To push your committed change...