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What is the difference between include and extend in Ruby?
...end Mod. In this case the individual object gets Mod's methods even though all other objects with the same class as o do not.
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What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...h> makes things unambiguous. If you leave off the remote or branch git falls back on the branch config settings, which are set for you with git push -u.
– dahlbyk
Apr 18 '11 at 2:12
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How to convert PascalCase to pascal_case?
...esult [$output]\n";
}
}
function from_camel_case($input) {
preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
$ret = $matches[0];
foreach ($ret as &$match) {
$match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
}
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Style child element when hover on parent
...possible. Is there any solution possible through :hover CSS selectors. Actually I need to change color of options bar inside a panel when there is an hover on the panel.
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What are the differences between Clojure, Scheme/Racket and Common Lisp?
I know they are dialects of the same family of language called lisp, but what exactly are the differences? Could you give an overview, if possible, covering topics such as syntax, characteristics, features and resources.
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Serializing an object as UTF-8 XML in .NET
...o a string again, so its no longer in UTF-8, but back in UTF-16 (though ideally its best to consider strings at a higher level than any encoding, except when forced to do so).
To get the actual UTF-8 octets you could use:
var serializer = new XmlSerializer(typeof(SomeSerializableObject));
var mem...
SQL Query Where Field DOES NOT Contain $x
...hing a string, go for the LIKE operator (but this will be slow):
-- Finds all rows where a does not contain "text"
SELECT * FROM x WHERE x.a NOT LIKE '%text%';
If you restrict it so that the string you are searching for has to start with the given string, it can use indices (if there is an index ...
How line ending conversions work with git core.autocrlf between different operating systems
...rojects has been making my life miserable for a long time. The problems usually arise when there are already files with different and mixed EOLs already in the repo. This means that:
The repo may have different files with different EOLs
Some files in the repo may have mixed EOL, e.g. a combination...
Insert/Update Many to Many Entity Framework . How do I do it?
...ject and cannot seem to work out how to insert or update. I have build a small project just to see how it should be coded.
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Get all related Django model objects
How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE).
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