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In Scala, what exactly does 'val a: A = _' (underscore) mean?
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144
val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: ...
How to print a query string with parameter values when using Hibernate
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edited Apr 25 '17 at 13:53
Abdull
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How to return a string value from a Bash function
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18 Answers
18
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Can you add new statements to Python's syntax?
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13 Answers
13
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How to get index using LINQ? [duplicate]
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130
An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Di...
Generate a UUID on iOS from Swift
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edited Feb 23 at 10:34
Tilak Maddy
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answ...
How to debug stream().map(…) with lambda expressions?
... the elements of the stream:
List<Integer> naturals = Arrays.asList(1,2,3,4,5,6,7,8,9,10,11,12,13);
naturals.stream()
.map(n -> n * 2)
.peek(System.out::println)
.collect(Collectors.toList());
UPDATE:
I think you're getting confused because map is an intermediate operation -...
Bash script error [: !=: unary operator expected
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189
Quotes!
if [ "$1" != -v ]; then
Otherwise, when $1 is completely empty, your test becomes:
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[A]System.Web.WebPages.Razor.Configuration.HostSection cannot be cast to… web.config issue
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I am using VS2013, MVC 5.2.2.0, Web Api 2. I have just changed the all versions from 2.0.0.0 to 3.0.0.0 of the following section of Web.config resides inside the View folder of my project.
<configSections>
<sectionGroup name="syst...
Convert System.Drawing.Color to RGB and Hex Value
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edited Feb 8 '14 at 18:29
Julien Roncaglia
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