「return NUM2INT(i);」は「return INT2NUM(i);」に修正 #!/usr/bin/env ruby require "hpdf" pdf = HPDFDoc.new page = pdf.add_page font = pdf.get_font("Helvetica", nil) p font.get_x_height pdf.use_jp_fonts pdf.use_jp_encodings font = pdf.get_fo…

import org.apache.commons.lang.Validate; public class C2009051100 { public static void main(String[] args) { Validate.isTrue(true, "foo", "Hoge"); Validate.isTrue(false, "foo", "Hoge"); } } で、 Exception in thread "main" java.lang.Illegal…

四則演算ができるように #!/usr/bin/env python from math import * import fileinput import ply.lex as lex tokens = ( 'NUMBER', 'STRING', 'IDENT', 'EOL', ) literals = "(),=+-*/" def t_NUMBER(t): r'\d+' try: t.value = int(t.value) except ValueE…