require 'color' p Color::RGB::Red.adjust_hue(10) p Color::RGB::Green.adjust_hue(10) p Color::RGB::Blue.adjust_hue(10) p Color::RGB::Red.adjust_hue(-10) p Color::RGB::Green.adjust_hue(-10) p Color::RGB::Blue.adjust_hue(-10) で、 #<Color::RGB:0x40228aa4 @r=1.0, @b=0.0, @g=0.0> #</color::rgb:0x40228aa4>

Java FAQ：S021 Q-06 public class C2008062300 { C2008062300() { try { wait(); } catch (InterruptedException e) { System.out.println(e); } } public static void main(String[] args) { new C2008062300(); } } で、 Exception in thread "main" java…

#!/usr/bin/env perl use strict; use Parse::RecDescent; use Data::Dumper; my $grammar = q{ inputs : input(s /;/) { print Data::Dumper::Dumper($item[1]); } input : 'a' 'b' { [@item[1,2]]; } }; my $parse = new Parse::RecDescent ($grammar); wh…