require 'pdf/quickref' qr = PDF::QuickRef.new qr.title "My QuickRef" p qr.title_font_encoding で、 nil

Java FAQ：S012 Q-11 public class C2008051300 { int x; void foo(int y) { this.x = x; } public static void main(String[] args) { new C2008051300().foo(2); } } で、エラーも何も出ない javap -c を実行 Compiled from C2008051300.java public class…

#!/usr/bin/env ruby require 'tdp' parser = TDParser.define {|g| g.a = "a" g.b = "b" g.c = "c" g.input = g.a - g.b - g.c def parse(str) tokens = str.split(/\s+/) input.parse(tokens) end } p parser.parse("a b c") p parser.parse("a b c") p pa…