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Principal component analysis in Python

... follow | edited Sep 3 '10 at 11:40 nikow 19.6k66 gold badges4242 silver badges6969 bronze badges ...
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Should a return statement be inside or outside a lock?

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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?

...b = a.copy() c = a[:] d = list(a) e = copy.copy(a) f = copy.deepcopy(a) # edit orignal list and instance a.append('baz') foo.val = 5 print('original: %r\nlist.copy(): %r\nslice: %r\nlist(): %r\ncopy: %r\ndeepcopy: %r' % (a, b, c, d, e, f)) Result: original: ['foo', Foo(5), 'baz'] list.co...
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How to iterate through two lists in parallel?

... follow | edited Jun 9 '19 at 20:46 Tobias Kolb 9461111 silver badges2626 bronze badges ...
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Is there any difference between __DIR__ and dirname(__FILE__) in PHP?

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Mongoose, Select a specific field with find

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jQuery Ajax calls and the Html.AntiForgeryToken()

...= Html.AntiForgeryToken()%></form> Then in your ajax call do (edited to match your second example) $.ajax({ type: "post", dataType: "html", url: $(this).attr("rel"), data: AddAntiForgeryToken({ id: parseInt($(this).attr("title")) }), success: function (response) { ...
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How to get a reference to a module inside the module itself?

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How to check if variable is string with python 2 and 3 compatibility

...nction, so it only appears once, and there's a place in the docstring to credit Fil. – Carl Smith May 21 '18 at 12:27 2 ...
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`staticmethod` and `abc.abstractmethod`: Will it blend?

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