anchor.diff:  RUN R -e 'install.packages(c("pbdZMQ", "devtools"))' \
   	&& R -e 'devtools::install_github(paste0("IRkernel/", c("repr", "IRdisplay", "IRkernel")))'
   
  -RUN cp -r /usr/lib64/R/library/IRkernel/kernelspec /usr/local/share/jupyter/kernels/R
  +RUN cp -r /usr/lib64/R/library/IRkernel/kernelspec /usr/local/conda/anaconda3/share/jupyter/kernels/R
   
   # Optional configuration file for svn
   ADD svn-servers /etc/subversion/servers
  
positive.code: ##### CHECAR DAQUI PRA BAIXO
  
  # https://anaconda.org/conda-forge/jupyterhub -> instala node 6.2 e configurable-http-proxy
  RUN /usr/local/conda/anaconda3/bin/conda install -c conda-forge jupyterhub=0.7.2
  
  RUN ln -s /usr/local/conda/anaconda3/bin/jupyterhub /usr/local/bin/jupyterhub
  
  # for Jupyter
  #RUN npm install -g configurable-http-proxy
  
  # Jupyter
  # Add python2.7 kernel: https://github.com/jupyter/jupyter/issues/71
  RUN pip2 install \
  	IPython \
  	notebook \
  	ipykernel \
  	ipyparallel \
  	enum34 \
  	&& python2 -m ipykernel install
  
  RUN pip3 install \
  	IPython \
  	jupyterhub \
  	notebook \
  	ipykernel \
  	ipyparallel \
  	enum34 \
  	&& python3 -m ipykernel install
  
  # ipywidgets: https://github.com/ipython/ipywidgets
  RUN pip3 install ipywidgets \
  	&& pip2 install ipywidgets \
  	&& jupyter nbextension enable --py --sys-prefix widgetsnbextension
  
  # Support for other languages
  # https://github.com/ipython/ipython/wiki/IPython-kernels-for-other-languages
  
negative.code: 	&& cd .. && rm -rf QuantLib-QuantLib-$QUANTLIB_VER && rm -f QuantLib-$QUANTLIB_VER.tar.gz
  
  # http://ipyparallel.readthedocs.org/en/latest/
  #RUN ipcluster nbextension enable
  
  # fix yum (issue #10)
  #RUN wget https://pypi.python.org/packages/12/3f/557356b60d8e59a1cce62ffc07ecc03e4f8a202c86adae34d895826281fb/pycurl-7.43.0.tar.gz#md5=c94bdba01da6004fa38325e9bd6b9760 \
  