require 'sqlite3'でエラー
`require': no such file to load -- sqlite3 (LoadError)
の場合、
require 'rubygems' require 'sqlite3'とrubygemsも一緒にrequireしてやる
http://d.hatena.ne.jp/ke_takahashi/20090805/p2
ID:1261018589
require 'rubygems' require 'sqlite3'とrubygemsも一緒にrequireしてやる
ID:1260867207
#!/usr/bin/ruby begin # # 処理を記述 # rescue Exception => e #例外を取得
print "Content-Type: text/html\n\n"
print "<html><head></head><body>"
print "Error:"
print "<br>"
print e
print "<br>"
print "backtrace:"
print "<br>"
print e.backtrace #Exceptionオブジェクトのbacktraceメソッドでバックトレースを表示
print "</body></html>"
end
ID:1260857150
ID:1257741691
ID:1257491724
CSV.open("/temp/test.csv", 'r') do |row| puts row.join("<>") end
CSV.open("/temp/test.csv", 'w') do |writer| writer << ["ruby", "perl", "python"] writer << ["java", "C", "C++"] end
f = File.open(new_csv, 'a') CSV::Writer.generate(f) do |writer| rows.each {|row| writer << row } end
ID:1257400028
ID:1257382054
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