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Is there a “null coalescing” operator in JavaScript?
...d, and otherwise returns its left-hand-side operand.
Please check compatibility before using it.
The JavaScript equivalent of the C# null coalescing operator (??) is using a logical OR (||):
var whatIWant = someString || "Cookies!";
There are cases (clarified below) that the behaviour won't ...
Why is there “data” and “newtype” in Haskell? [duplicate]
It seems that a newtype definition is just a data definition that obeys some restrictions (e.g., only one constructor), and that due to these restrictions the runtime system can handle newtype s more efficiently. And the handling of pattern matching for undefined values is slightly different.
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How to use setArguments() and getArguments() methods in Fragments?
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You have a method called getArguments() that belongs to Fragment class.
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Python matplotlib multiple bars
How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?
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Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...e for iOS ' is an exception. It's hard for me to clearly understand what's been described there.
7 Answers
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Simple argparse example wanted: 1 argument, 3 results
...argparse python module , while excellent I'm sure, is too much for my tiny beginner brain to grasp right now. I don't need to do math on the command line or meddle with formatting lines on the screen or change option characters. All I want to do is "If arg is A, do this, if B do that, if none of th...
What is the difference between self::$bar and static::$bar in PHP?
What is the difference between using self and static in the example below?
5 Answers
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How to merge lists into a list of tuples?
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In Python 2:
>>> list_a = [1, 2, 3, 4]
>>> list_b = [5, 6, 7, 8]
>>> zip(list_a, list_b)
[(1, 5), (2, 6), (3, 7), (4, 8)]
In Python 3:
>>> list_a = [1, 2, 3, 4]
>>> list_b = [5, 6, 7, 8]
>>> list(zip(list_a, list_b))
[(1, 5), (2, 6), ...
var functionName = function() {} vs function functionName() {}
...ve recently started maintaining someone else's JavaScript code. I'm fixing bugs, adding features and also trying to tidy up the code and make it more consistent.
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How to remove specific value from array using jQuery
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Rahul Gupta
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answered Aug 29 '10 at 18:47
SarfrazSarfraz
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