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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...
Select multiple records based on list of Id's with linq
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answered May 29 '13 at 21:53
YuckYuck
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How to convert an array to object in PHP?
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34 Answers
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When to use enumerateObjectsUsingBlock vs. for
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350
Ultimately, use whichever pattern you want to use and comes more naturally in the context.
Wh...
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
..., B = t1.ColumnB } equals new { A = t2.ColumnA, B = t2.ColumnB }
join t3 in myTABLE1List
on new { A = t2.ColumnA, B = t2.ColumnB } equals new { A = t3.ColumnA, B = t3.ColumnB }
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Good examples of Not a Functor/Functor/Applicative/Monad?
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Dietrich EppDietrich Epp
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How to print struct variables in console?
...ct, as in this example.
type T struct {
A int
B string
}
t := T{23, "skidoo"}
s := reflect.ValueOf(&t).Elem()
typeOfT := s.Type()
for i := 0; i < s.NumField(); i++ {
f := s.Field(i)
fmt.Printf("%d: %s %s = %v\n", i,
typeOfT.Field(i).Name, f.Type(), f.Interface())
}
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How to set a value of a variable inside a template code?
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339
You can use the with template tag.
{% with name="World" %}
<html>
<div>Hello...
What is the formal difference in Scala between braces and parentheses, and when should they be used?
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370
I tried once to write about this, but I gave up in the end, as the rules are somewhat diffuse....
design a stack such that getMinimum( ) should be O(1)
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30 Answers
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