anchor.diff:      chown ${uid}:${gid} -R /home/developer
   
   # Set up USB device debugging (device is ID in the rules files)
  +RUN echo ""> 51-android.rules
   ADD 51-android.rules /etc/udev/rules.d
   RUN chmod a+r /etc/udev/rules.d/51-android.rules
   
   USER developer
   
   # 处理中文问题
  -ENV LANG=C.UTF-8
  +ENV LANG=zh_CN.UTF-8
   ENV HOME /home/developer
   CMD /opt/android-studio/bin/studio.sh
  
positive.code: RUN apt-get install -y vim gradle
  
  # Clean up
  RUN apt-get clean
  RUN apt-get purge
  
  
negative.code: FROM ubuntu:14.04
  
  RUN apt-get update
  
  