Xingning OU

摘要： My ISO image name is openSUSE-11.3-DVD-x86_64.iso, first login Linux as root.Step # 1: Create a directory /mnt/iso# mkdir /mnt/iso# mount -o loop openSUSE-11.3-DVD-x86_64.iso /mnt/isoStep # 3: Extract fileNow I can easily copy file called file.txt from iso disk image to /tmp directory :# cd /mnt/iso 阅读全文

摘要： SLF4J supports an advanced feature called parameterized logging which can significantly boost logging performance for disabled logging statement.For some Logger logger, writing,logger.debug("Entry number: "+ i +" is "+String.valueOf(entry[i]));incurs the cost of constructing the 阅读全文