Eclipse连Jdbc报错：Io Òì³£: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=150999297)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))原来是我的SID_NAME 错误jdbc:oracle:thin:@192.168.1.2:1521:SID_NAME

Facebook 的系统架构 http://www.quora.com/Facebook-Engineering/What-is-Facebooks-architecture

1. Oracle Tutorial Exception Advantage 2. Example http://www.w3resource.com/java-tutorial/custom-exception.php Java Exception处理之最佳实践

The common BOMs are : Encoding Representation (hexadecimal) Representation (decimal) UTF-8 EF BB BF 239 187 191 UTF-16 (BE) FE FF 254 255 UTF-16 (LE) FF FE 255 254 U