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Why would a JavaScript variable start with a dollar sign? [duplicate]
... object representation of the dom object
var email_field = $("#email").get(0); // refers to the dom object itself
I find this to be very helpful in writing jQuery code and makes it easy to see jQuery objects which have a different set of properties.
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Removing all non-numeric characters from string in Python
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>>> import re
>>> re.sub("[^0-9]", "", "sdkjh987978asd098as0980a98sd")
'987978098098098'
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Forward an invocation of a variadic function in C
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edited Feb 4 '17 at 20:05
Uli Köhler
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Can I use git diff on untracked files?
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Traits in PHP – any real world examples/best practices? [closed]
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NikiCNikiC
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Unique Constraint in Entity Framework Code First
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edited Dec 13 '10 at 2:31
answered Dec 13 '10 at 2:25
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What's wrong with overridable method calls in constructors?
....out.println(x);
}
}
new Child(42); // prints "0"
}
}
Here, when Base constructor calls overrideMe, Child has not finished initializing the final int x, and the method gets the wrong value. This will almost certainly lead to bugs and errors.
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How can I account for period (AM/PM) using strftime?
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MattDMo
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answered Nov 18 '09 at 22:07
Ned BatchelderNed Batchelder
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How to split (chunk) a Ruby array into parts of X elements? [duplicate]
...lice(3).to_a
#=> [["1", "2", "3"], ["4", "5", "6"], ["7", "8", "9"], ["10"]]
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