Tips on Scala

Posted on Mar 24, 2016 in Computer Science • Tagged with programming, Scala, functional programming, big data, Spark

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

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Use q to Query Text File Using SQL Syntax

Posted on Jun 05, 2016 in Programming • Tagged with programming, SQL, structured text, CSV, TSV

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

It is suggested that you use Python instead of q to manipulate text files!

Installation on Ubuntu

wajig install python3-q-text-as-data

General Tips

  1. The semantics of q is …


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Tips on R

Posted on Oct 29, 2013 in Programming • Tagged with tips, programming, CRAN, R

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

  1. commandArgs extract command line …


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MATLAB Tips

Posted on Aug 24, 2014 in Computer Science • Tagged with programming, tips, MATLAB

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

Things on this page are fragmentary and immature notes/thoughts of the author. It is not meant to readers but rather for convenient reference of the author …


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Regular Expression in R

Posted on Nov 14, 2012 in Programming • Tagged with R, regex, programming, CRAN, regular expression

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

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There are two flavors …


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Apache Toree Tips

Posted on Dec 12, 2016 in Computer Science • Tagged with programming, Apache Toree, Jupyter Notebook, JupyterLab, Jupyter Lab, Spark

Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more.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

https://github.com/apache …


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