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Finding the average of a list

... [15, 18, 2, 36, 12, 78, 5, 6, 9] import statistics statistics.mean(l) # 20.11111111111111 On older versions of Python you can do sum(l) / len(l) On Python 2 you need to convert len to a float to get float division sum(l) / float(len(l)) There is no need to use reduce. It is much slower an...
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How can you determine a point is between two other points on a line segment?

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What's the difference between a mock & stub?

... | edited Apr 3 '19 at 20:08 Harris 6,68722 gold badges4848 silver badges4646 bronze badges answered ...
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How do I view the list of functions a Linux shared library is exporting?

... 320 What you need is nm and its -D option: $ nm -D /usr/lib/libopenal.so.1 . . . 00012ea0 T alcSet...
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Is there any difference between “foo is None” and “foo == None”?

...d class). – martineau Dec 17 '10 at 20:28 @study The method __eq__(self) is a special builtin method that determines h...
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Get the Highlighted/Selected text

... texty <input> elements, you could use the following. Since it's now 2016 I'm omitting the code required for IE <= 8 support but I've posted stuff for that in many places on SO. function getSelectionText() { var text = ""; var activeEl = document.activeElement; var activ...
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Base64 Java encode and decode a string [duplicate]

... Dark KnightDark Knight 7,52044 gold badges3333 silver badges5454 bronze badges ...
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Why are unsigned int's not CLS compliant?

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Is it true that one should not use NSLog() on production code?

...amp; learn! – e.James Mar 26 '09 at 20:55 15 An excellent answer, though I recommend using a pers...
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Regular Expression to find a string included between two characters while EXCLUDING the delimiters

...JavaScript doesn't support the lookbehind operator. Edit: actually, now (ES2018) it's possible to use the lookbehind operator. Just add / to define the regex string, like this: var regex = /(?<=\[)(.*?)(?=\])/; Old answer: Solution: var regex = /\[(.*?)\]/; var strToMatch = "This is a test strin...