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How to get the client IP address in PHP [duplicate]

...se addresses are larger than the older IPv4 addresses. (Note that IPv6 usually uses 39 characters at most but there is also a special IPv6 notation for IPv4 addresses which in its full form can be up to 45 characters. So if you know what you are doing you can use 39 characters, but if you just want...
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Ternary operator in AngularJS templates

...ogic. A ternary operator in a template should be refactored to a function call to the controller, for better testability. – Marcello Nuccio Aug 18 '12 at 7:18 ...
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How can I create a copy of an object in Python?

...would like to create a copy of an object. I want the new object to possess all properties of the old object (values of the fields). But I want to have independent objects. So, if I change values of the fields of the new object, the old object should not be affected by that. ...
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What is an alternative to execfile in Python 3?

It seems they canceled in Python 3 all the easy way to quickly load a script by removing execfile() 12 Answers ...
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Accessing Object Memory Address

When you call the object.__repr__() method in Python you get something like this back: 9 Answers ...
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Disable double-tap “zoom” option in browser on touch devices

... specified elements in the browser (on touch devices), without disabling all the zoom functionality . 14 Answers ...
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Access data in package subdirectory

...robust code that can access the subdirectory regardless of where it is installed on the user's system. 6 Answers ...
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Does Python support short-circuiting?

...circuiting "executed" not printed 1 >>> 1 and fun(1) # fun(1) called and "executed" printed executed 1 >>> 0 and fun(1) # due to short-circuiting "executed" not printed 0 Note: The following values are considered by the interpreter to mean false: False None ...
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Why is there no Tree class in .NET?

...BCL. I suspect this is because the choice of whether to use a tree is typically an implementation detail and is otherwise an unconventional way to access data. That is, you don't say, "binary-search-for element #37"; instead, you say, "get me element #37". But have you taken a look at C5? It's supe...
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Which method performs better: .Any() vs .Count() > 0?

...le<T> sequence. For just IEnumerable<T>, then Any() will generally be quicker, as it only has to look at one iteration. However, note that the LINQ-to-Objects implementation of Count() does check for ICollection<T> (using .Count as an optimisation) - so if your underlying data-sou...