...s better sometimes. Think @honda.kind_of? Car and @person.is_a? Administrator, Ruby's all about the aesthetics. In fact, notice the grammatical error... with active support you can write @person.is_an? Administrator :)... That might have made it into Ruby core by now, actually. ...

I need Regex which can satisfy all my three condtions for zip-code. E.g- 3 Answers 3...

...).disabled = false; Demo Here Using jQuery All versions of jQuery prior to 1.6 Disabling a html button $('#Button').attr('disabled','disabled'); Enabling a html button $('#Button').removeAttr('disabled'); Demo Here All versions of jQuery after 1.6 Disabling a html button $('#Button'...

...ith the rectangle: Either the circle's centre lies inside the rectangle, or One of the edges of the rectangle has a point in the circle. Note that this does not require the rectangle to be axis-parallel. (One way to see this: if none of the edges has a point in the circle (if all the edges a...

...er the right answer in Python, since it blocks all the flexibility of polymorphism. For instance, if you subclass int, your new class should register as an int, which type will not do: class Spam(int): pass x = Spam(0) type(x) == int # False isinstance(x, int) # True This adheres to Python's strong...

I'm writing a PHP app and I want to make sure it will work with no errors. 5 Answers 5...

In WebForms, I would normally have code like this to let the browser present a "Download File" popup with an arbitrary file type, like a PDF, and a filename: ...

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