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What does the “Just” syntax mean in Haskell?
...a method called fmap, which maps functions that range over values from the base type (such as Integer) to functions that range over values from the lifted type (such as Maybe Integer). A function transformed with fmap to work on a Maybe value works like this:
case maybeVal of
Nothing -> Nothi...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
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EJB's - when to use Remote and/or local interfaces?
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Suppressing “is never used” and “is never assigned to” warnings in C#
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How is Math.Pow() implemented in .NET Framework?
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MVC Razor view nested foreach's model
...es the name for your expression, it will be shallow. It
will only generate based on the expression it's given (not the entire context).
So lets say you had a partial that just rendered "Baz" (from our example before). Inside that partial you could just say:
@Html.TextBoxFor(model=>model.FooBar)...
What would a “frozen dict” be?
...e stored in special containers where the __hash__ and __eq__ functions are based on the key only. This code has also been formally unit-tested, unlike what I posted here in August 2014.
MIT-style license.
if 3 / 2 == 1:
version = 2
elif 3 / 2 == 1.5:
version = 3
def col(i):
''' For b...
Is there YAML syntax for sharing part of a list or map?
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What is an undefined reference/unresolved external symbol error and how do I fix it?
...){} //uncomment this line for successful definition
This happens because base class destructors are called when the object is destroyed implicitly, so a definition is required.
virtual methods must either be implemented or defined as pure.
This is similar to non-virtual methods with no defin...
Java HashMap performance optimization / alternative
... bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object:
public int hashCode() {
// assume that both a and b are sorted
return a[0] + powerOf52(a[1], 1) + powerOf52(b[0], 2) + powerOf52(b[1],...