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Replace multiple characters in one replace call

... Use the OR operator (|): var str = '#this #is__ __#a test###__'; str.replace(/#|_/g,''); // result: "this is a test" You could also use a character class: str.replace(/[#_]/g,''); Fiddle If you want to replace the hash with one thing and the underscore with anothe...
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Override Python's 'in' operator?

... MyClass.__contains__(self, item) share | improve this answer | follow | ...
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What does enumerate() mean?

What does for row_number, row in enumerate(cursor): do in Python? 5 Answers 5 ...
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AngularJS HTTP post to PHP and undefined

... data value to pass an appropriate query string, so PHP is not populating $_POST as you expect. My suggestion would be to just use the default angularjs setting of application/json as header, read the raw input in PHP, and then deserialize the JSON. That can be achieved in PHP like this: $postdat...
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Macro vs Function in C

... int numButtons; }; struct webpage { int numButtons; }; #define num_button_holes(shirt) ((shirt).numButtons * 4) struct webpage page; page.numButtons = 2; num_button_holes(page) -> 8 Finally, macros can be difficult to debug, producing weird syntax errors or runtime errors that you ha...
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Is it possible to make the -init method private in Objective-C?

... NS_UNAVAILABLE - (instancetype)init NS_UNAVAILABLE; This is a the short version of the unavailable attribute. It first appeared in macOS 10.7 and iOS 5. It is defined in NSObjCRuntime.h as #define NS_UNAVAILABLE UNAVAILABLE_...
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Minimizing NExpectation for a custom distribution in Mathematica

.... Let's extract it from your definition above into simple functions: pdf[a_, b_, m_, s_, x_] := (1/(2*(a + b)))*a*b* (E^(a*(m + (a*s^2)/2 - x))*Erfc[(m + a*s^2 - x)/(Sqrt[2]*s)] + E^(b*(-m + (b*s^2)/2 + x))*Erfc[(-m + b*s^2 + x)/(Sqrt[2]*s)]) pdf2[a_, b_, m_, s_, x_] := pdf[a, b, m, s, Log...
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Label Alignment in iOS 6 - UITextAlignment deprecated

...f UITextAlignmentCenter and a list of other replacements is below: #ifdef __IPHONE_6_0 // iOS6 and later # define UITextAlignmentCenter NSTextAlignmentCenter # define UITextAlignmentLeft NSTextAlignmentLeft # define UITextAlignmentRight NSTextAlignmentRight # define UILineBreakM...
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How to flush output of print function?

.../python3 to #!/usr/bin/python3 -u - now when you run your script (e.g. ./my_script.py) the -u will always be added for you – James Sep 7 at 17:22 add a comment ...
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What is the python keyword “with” used for? [duplicate]

...t in an object that supports the context management protocol (that is, has __enter__() and __exit__() methods). Update fixed VB callout per Scott Wisniewski's comment. I was indeed confusing with with using. share ...