Python with emacs and by itself
Installing packages with Anaconda
https://stackoverflow.com/questions/28741563/pytesseract-no-such-file-or-directory-error/49762616#49762616
Installing dependencies so that opencv works without the following errer
error: /io/opencv/modules/highgui/src/window.cpp:583: error: (-2) The function is not implemented. Rebuild the library with Windows, GTK+ 2.x or Carbon support. If you are on Ubuntu or Debian, install libgtk2.0-dev and pkg-config, then re-run cmake or configure script in function cvShowImage
https://www.pyimagesearch.com/2015/06/22/install-opencv-3-0-and-python-2-7-on-ubuntu/
Working with emacs
https://stackoverflow.com/q/49805906/5986651