Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

"pdf-reader" is a good Ruby libary for reading pdf document. You can install it via RubyGems using the following command.

sudo gem install pdf-reader

You have to …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

1. Drawing tools, under a plot, click more, click drawing tools ...

2. to export results of GraphicsRow, use the Export function mouse click seems not to work well even …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **

brew install groovy

wajig …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **

rJava failed to load …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

There are 3 ways to install R packages behind a proxy on Windows.

1. Download packages and install them locally. This is generally speaking not recommended as it …

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives.

Note: Apache Toree is a better alternative than Jupyter Scala. It is suggested that you use Apache Toree instead of Jupyter Scala.

You can install Jupyter Scala …