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Find element's index in pandas Series

... [122]: myseries = pd.Series([1,7,0,7,5], index=['a','b','c','d','e']) In [123]: list(myseries[myseries==7].index) Out[123]: ['b', 'd'] share | improve this answer | follow ...
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How to print a groupby object

...dited Aug 24 '18 at 13:39 Seanny123 5,70277 gold badges4949 silver badges100100 bronze badges answered Apr 30 '16 at 6:59 ...
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Applying a function to every row of a table using dplyr?

...red May 22 '17 at 21:26 CoderGuy123CoderGuy123 4,7134646 silver badges7373 bronze badges ...
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A python class that acts like dict

...ef add(id, val): self._dict[id] = val md = myDict() md.add('id', 123) ...is that your 'add' method (...and any method you want to be a member of a class) needs to have an explicit 'self' declared as its first argument, like: def add(self, 'id', 23): To implement the operator overloadi...
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Do I need dependency injection in NodeJS, or how to deal with …?

... setter and getter for private variables. myModule.__set__("myPrivateVar", 123); myModule.__get__("myPrivateVar"); // = 123 // This allows you to mock almost everything within the module e.g. the fs-module. // Just pass the variable name as first parameter and your mock as second. myModule.__set__...
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Why does “return list.sort()” return None, not the list?

...be reordered if we call l.sort(): >>> l = [1, 5, 2341, 467, 213, 123] >>> l.sort() >>> l [1, 5, 123, 213, 467, 2341] This method has no return value. But what if we try to assign the result of l.sort()? >>> l = [1, 5, 2341, 467, 213, 123] >>> r = l.so...
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How to get everything after a certain character?

...e, then substr grabs everything from that index plus 1, onwards. $data = "123_String"; $whatIWant = substr($data, strpos($data, "_") + 1); echo $whatIWant; If you also want to check if the underscore character (_) exists in your string before trying to get it, you can use the following:...
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How do I access command line arguments in Python?

... 123 import sys sys.argv[1:] will give you a list of arguments (not including the name of the py...
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How to write URLs in Latex? [closed]

... This does not work correctly for me. For example, \url{https://asdfg.com\#123} produces # in text, however, the actual link it produces is https://asdfg.com%23123. – MaxPowers Aug 2 at 13:23 ...
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What's the difference between an argument and a parameter?

...turn x + y; } At a call-site using add, such as the example shown below, 123 and 456 would be referred to as the arguments of the call. int result = add(123, 456); Also, some language specifications (or formal documentation) choose to use parameter or argument exclusively and use adjectives lik...