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How to compare arrays in JavaScript?

...rent types => not equal return false; } } //Now a deeper check using other objects property names for(propName in object2) { //We must check instances anyway, there may be a property that only exists in object2 //I wonder, if remembering the che...
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Getting visitors country from their IP

I want to get visitors country via their IP... Right now I'm using this ( http://api.hostip.info/country.php?ip= ...... ) 2...
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C++ sorting and keeping track of indexes

...p;v](size_t i1, size_t i2) {return v[i1] < v[i2];}); return idx; } Now you can use the returned index vector in iterations such as for (auto i: sort_indexes(v)) { cout << v[i] << endl; } You can also choose to supply your original index vector, sort function, comparator, or ...
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Are PHP Variables passed by value or by reference?

... $str would be assigned null, in your case. – The Unknown Dev Jan 22 '15 at 19:31 if you do it this way @ObmerkKronen ...
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Find out how much memory is being used by an object in Python [duplicate]

...ld you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want. ...
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How do I search for an object by its ObjectId in the mongo console?

...ay to change your "scope" or something at the command line and not really know it? – jcollum Nov 22 '11 at 20:36 No wo...
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jQuery Ajax calls and the Html.AntiForgeryToken()

... I know there are a lot of other answers, but this article is nice and concise and forces you to check all of your HttpPosts, not just some of them: http://richiban.wordpress.com/2013/02/06/validating-net-mvc-4-anti-forgery-toke...
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Pandas convert dataframe to array of tuples

I have manipulated some data using pandas and now I want to carry out a batch save back to the database. This requires me to convert the dataframe into an array of tuples, with each tuple corresponding to a "row" of the dataframe. ...
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Determine if variable is defined in Python [duplicate]

How do you know whether a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or...
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How do you test that a Python function throws an exception?

...ust alias that as unittest: import unittest2 as unittest Example tests Now, paste into your Python shell the following test of Python's type-safety: class MyTestCase(unittest.TestCase): def test_1_cannot_add_int_and_str(self): with self.assertRaises(TypeError): 1 + '1' ...