require 'color' p Color::RGB::Red.adjust_brightness(10) p Color::RGB::Green.adjust_brightness(10) p Color::RGB::Blue.adjust_brightness(10) p Color::RGB::Red.adjust_brightness(-10) p Color::RGB::Green.adjust_brightness(-10) p Color::RGB::Bl…

Java FAQ：S019 Q-19 import java.lang.Thread; public class C2008062100 { public static void main(String[] args) { ThreadGroup g = new ThreadGroup("foo"); g.destroy(); Thread t = new Thread(g, "bar"); t.start(); } } で、 Exception in thread …

7種類 #!/usr/bin/env perl use strict; use Parse::RecDescent; use Data::Dumper; my $grammar = q{ inputs : input(?) { print Data::Dumper::Dumper($item[1]); } input : 'a' 'b' { [@item[1,2]]; } }; my $parse = new Parse::RecDescent ($grammar); …