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What is a sealed trait?
...; x match {
| case No => println("No")
| }
<console>:12: warning: match is not exhaustive!
missing combination Yes
So you should use sealed traits (or sealed abstract class) if the number of possible subtypes is finite and known in advance. For more examples you can...
Nullable type issue with ?: Conditional Operator
Could someone explain why this works in C#.NET 2.0:
5 Answers
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How to select a radio button by default? [duplicate]
...ited Apr 7 '16 at 15:46
cubuspl42
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answered Apr 8 '11 at 8:19
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Converting String to “Character” array in Java
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edited Jan 29 '14 at 22:45
David Newcomb
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How can I check if a directory exists in a Bash shell script?
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Event binding on dynamically created elements?
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Button Click event fires when pressing Enter key in different input (no forms)
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I had t...
How can I pass command-line arguments to a Perl program?
...om GetOpt::Long:
use Getopt::Long;
my $data = "file.dat";
my $length = 24;
my $verbose;
$result = GetOptions ("length=i" => \$length, # numeric
"file=s" => \$data, # string
"verbose" => \$verbose); # flag
Alternatively, @ARGV is a sp...
Accessing @attribute from SimpleXML
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edited Dec 24 '13 at 14:00
hakre
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How do I create a comma-separated list from an array in PHP?
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12 Answers
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