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Array.push() if does not exist?
...two arguments, this would simplify the case when the added value is inline and not in a variable you can access in your function. array.pushIfNotExist({ name: "tom", text: "tasty" }, function(a,b){ return a.name === b.name && a.text === b.text; });
– Vincent Robert
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How can I return two values from a function in Python?
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You cannot return two values, but you can return a tuple or a list and unpack it after the call:
def select_choice():
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return i, card # or [i, card]
my_i, my_card = select_choice()
On line return i, card i, card means creating a tuple. You can also use parenthesis like return...
Javascript - How to extract filename from a file input control
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To split the string ({filepath}/{filename}) and get the file name you could use something like this:
str.split(/(\\|\/)/g).pop()
"The pop method removes the last element from an array and returns that
value to the caller."
Mozilla Developer Network
Example:...
What's the recommended way to extend AngularJS controllers?
...at are quite similar. I want to have a controller which these three extend and share its functions.
12 Answers
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Why is list initialization (using curly braces) better than the alternatives?
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Basically copying and pasting from Bjarne Stroustrup's "The C++ Programming Language 4th Edition":
List initialization does not allow narrowing (§iso.8.5.4). That is:
An integer cannot be converted to another integer that cannot hold its v...
Difference between Covariance & Contra-variance
I am having trouble understanding the difference between covariance and contravariance.
5 Answers
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How to avoid warning when introducing NAs by coercion
... answered Feb 20 '13 at 16:38
AndrieAndrie
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How to git bundle a complete repo
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The synopsis for create command is git bundle create <file> <git-rev-list-args>. Running man git-rev-list (or man git-log) would give you --all. But I agree that it should be more visible in the bundle command documentation.
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Android imageview not respecting maxWidth?
...eView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the full 60dip of width, the ImageView's width should decrease so the view's background fits snugly around the image.
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Mockito test a void method throws an exception
...ct).methodReturningVoid(...);
^
and NOT use:
doThrow(new Exception()).when(mockedObject.methodReturningVoid(...));
^
This is explained in the documentation
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