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Intersection and union of ArrayLists in Java

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Proper way to use **kwargs in Python

...a default value to get() for keys that are not in the dictionary: self.val2 = kwargs.get('val2',"default value") However, if you plan on using a particular argument with a particular default value, why not use named arguments in the first place? def __init__(self, val2="default value", **kwargs)...
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Make absolute positioned div expand parent div height

As you can see in the CSS below, I want child2 to position itself before child1 . This is because the site I'm currently developing should also work on mobile devices, on which the child2 should be at the bottom, as it contains the navigation which I want below the content on the mobile devices...
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How to avoid circular imports in Python? [duplicate]

... rumpelrumpel 6,36022 gold badges3030 silver badges3737 bronze badges ...
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Base64 length calculation?

... 217 Each character is used to represent 6 bits (log2(64) = 6). Therefore 4 chars are used to rep...
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Does a `+` in a URL scheme/host/path represent a space?

... Andrew Tobilko 42.5k1111 gold badges6666 silver badges119119 bronze badges answered Jun 17 '09 at 9:43 StoborStobor ...
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Counting DISTINCT over multiple columns

... | edited Jul 27 '16 at 19:18 Devil's Advocate 14.8k2828 gold badges9696 silver badges179179 bronze badges ...
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Difference between == and ===

...ame are equal or not. let person1 = Person(ssn: 5, name: "Bob") let person2 = Person(ssn: 5, name: "Bob") if person1 == person2 { print("the two instances are equal!") } Although person1 and person2 references point two different instances in Heap area, their instances are equal because their...
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How can I use swift in Terminal?

... | edited Oct 21 '14 at 15:25 answered Jun 3 '14 at 9:34 ...
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How do lexical closures work?

... return func flist.append(funcC(i)) for f in flist: print f(2) This is what happens when you mix side effects and functional programming. share | improve this answer | ...