anchor.diff:  
   # Version control
   RUN apt-get update && apt-get install --yes git subversion mercurial && apt-get clean all && rm -rf /var/lib/apt/lists/*
  +RUN chown -R $DATASCI_USER:$DATASCI_USER /opt
   
   USER $DATASCI_USER
   ENV ANACONDA_VERSION=Anaconda3-4.4.0-Linux-x86_64
  
positive.code: 	julia -e 'using RDatasets' && \
  	julia -e 'using IJulia'
  
  ENV $CONDA_SRC/IHaskell=/opt/IHaskell
  
  RUN cd $CONDA_SRC && git clone https://github.com/gibiansky/IHaskell
  
  RUN cd $IHaskell && \
  stack init && \
  stack setup && \
  stack config set system-ghc --global true && \
  stack install gtk2hs-buildtools && \
  stack install --fast && \
  stack exec ihaskell -- install --stack 
  
  # Might be bad to blindly update all packages
  ADD Scripts/Conda/update_conda_pip_pkgs.sh /tmp/update_conda_pip_pkgs.sh
  RUN bash /tmp/update_conda_pip_pkgs.sh
  
  ADD Scripts/Jupyter/install_jupyter_widgets.sh /tmp/install_jupyter_widgets.sh
  RUN bash /tmp/install_jupyter_widgets.sh
  # USER root
  
  # ENV SAGE_ROOT=/usr/lib/sagemath/ JUPYTER_SHARE=/usr/local/share/jupyter USER_JUPYTER_KERNELS=$HOME/.jupyter/kernels
  
negative.code: 
  # ~~~~ CLEAN UP ~~~~
  RUN apt-get update && apt-get --yes upgrade && apt-get --yes autoremove && apt-get clean && \
  	rm -rf /var/lib/apt-get/lists/* && \
  	rm -rf /src/*.deb && \
      rm -rf $CONDA_SRC/* && \
      rm -rf /tmp/*
  
  # RUN chown -R $DATASCI_USER:$DATASCI_USER $HOME
  
  COPY Scripts/Jupyter/jupyter_notebook_config.py /etc/jupyter/
  RUN chown -R $DATASCI_USER:$DATASCI_USER /etc/jupyter/
  