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Multiple aggregations of the same column using pandas GroupBy.agg()

... functions f1, f2 to the same column df["returns"] , without having to call agg() multiple times? 3 Answers ...
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How to update a menu item shown in the ActionBar?

...e-writing the desire text worked without problems: if (mnuTopMenuActionBar_ != null) { MenuItem mnuPageIndex = mnuTopMenuActionBar_ .findItem(R.id.menu_magazin_pageOfPage_text); if (mnuPageIndex != null) { if (getScreenOrientation() == 1) { mnuPageIndex.setTitle...
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Min/Max-value validators in asp.net mvc

...MaxValueAttribute : ValidationAttribute { private readonly int _maxValue; public MaxValueAttribute(int maxValue) { _maxValue = maxValue; } public override bool IsValid(object value) { return (int) value <= _maxValue; ...
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Random “Element is no longer attached to the DOM” StaleElementReferenceException

...r valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in...
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Zip lists in Python

...x. list, string, tuple, dictionary) Output (list) 1st tuple = (element_1 of numbers, element_1 of letters) 2nd tuple = (e_2 numbers, e_2 letters) … n-th tuple = (e_n numbers, e_n letters) List of n tuples: n is the length of the shortest argument (input) len(numbers) =...
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Java 8 forEach with index [duplicate]

... way to build a forEach method in Java 8 that iterates with an index? Ideally I'd like something like this: 3 Answers ...
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Recursive lambda functions in C++11

... in MSVC, where I have experience with them), it's just that they aren't really compatible with type inference. share | improve this answer | follow | ...
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namespaces for enum types - best practices

...would not be guaranteed that two distinct enums don't both think they are called eFeelings For simpler-looking code, I use a struct, as you presumably want the contents to be public. If you're doing any of these practices, you are ahead of the curve and probably don't need to scrutinize this furth...
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Is “inline” without “static” or “extern” ever useful in C99?

... Actually this excellent answer also answers your question, I think: What does extern inline do? The idea is that "inline" can be used in a header file, and then "extern inline" in a .c file. "extern inline" is just how you ins...
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Passing $_POST values with cURL

How do you pass $_POST values to a page using cURL ? 8 Answers 8 ...