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What is “lifting” in Scala?
...gt;
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[Boolean] = Some(false)
Methods
You can "lift" a method invocation into a function. This is called eta-expansion (thanks to Ben James for this). So for example:
scala> def times2(i: Int) = i * 2
times2: (i: In...
What is the mouse down selector in CSS?
...ticed that buttons and other elements have a default styling and behave in 3 steps: normal view, hover/focus view and mousedown/click view, in CSS I can change the styling of normal view and hover view like this:
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Remove multiple attributes with jQuery's removeAttr
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Denys SéguretDenys Séguret
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std::back_inserter for a std::set?
... Johannes Schaub - litbJohannes Schaub - litb
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MySQL IF NOT NULL, then display 1, else display 0
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LEFT JOIN addresses a ON c.customerid = a.customerid
WHERE customerid = 123
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Git: how to reverse-merge a commit?
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Ben JamesBen James
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Java variable number or arguments for a method
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edited Oct 20 '17 at 1:43
ErikE
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Creating Multifield Indexes in Mongoose / MongoDB
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answered Sep 24 '12 at 22:53
JohnnyHKJohnnyHK
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How to find out element position in slice?
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3
I agree with Evan. Additional comment: it's more idiomatic to return just an int where -1 indicates "not found" (like bytes.IndexByte)
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