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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
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It is midway through 2016 now, and for the most part it's been a semicolons are optional but highly encouraged year.
– trex005
Jun 7 '16 at 21:47
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How to get root view controller?
... code in the answer above returns UINavigation controller (if you have it) and if this is what you need, you can use self.navigationController.
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No startswith,endswith functions in Go?
Just curious to findout: why aren't there standard functions like startswith, endswith, etc as part of the standard libraries in the Go programming language?
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Can a decorator of an instance method access the class?
...f hasattr(method, "use_class"):
# do something with the method and class
print name, cls
return cls
def method_decorator(view):
# mark the method as something that requires view's class
view.use_class = True
return view
@class_decorator
class ModelA(object):
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How do browser cookie domains work?
...n/subdomain cookie issues that I'm getting, I'd like to know how browsers handle cookies. If they do it in different ways, it would also be nice to know the differences.
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Select rows of a matrix that meet a condition
...matrix(1:20, ncol = 4)
colnames(m) <- letters[1:4]
The following command will select the first row of the matrix above.
subset(m, m[,4] == 16)
And this will select the last three.
subset(m, m[,4] > 17)
The result will be a matrix in both cases.
If you want to use column names to selec...
Technically what is the main difference between Oracle JDK and OpenJDK? [duplicate]
...ms. But since I started to play with it for big toys, I started to notice random/unknown fatal error and crashes (with H.264 codecs, etc.), and it was a nightmare till then to get ride of system crash+fatal errors caused by OpenJDK.
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How to vertically align text inside a flexbox?
...ed.
Therefore, the ul is not a flex container, the li is not a flex item, and align-self has no effect.
The align-items property is similar to align-self, except it applies to flex containers.
Since the li is a flex container, align-items can be used to vertically center the child elements.
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Is it possible to put CSS @media rules inline?
I need to dynamically load banner images into a HTML5 app and would like a couple of different versions to suit the screen widths. I can't correctly determine the phone's screen width, so the only way I can think of doing this is to add background images of a div and use @media to determine the scre...
How do I run a Python program in the Command Prompt in Windows 7?
I'm trying to figure out how to run Python programs with the Command Prompt on Windows 7. (I should have figured this out by now...)
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