Ben Chuanlong Du's Blog

It is never too late to learn.

Speed Up sbt in China

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Currently sbt uses https by default. However, the Great Firewall of China makes https visits to websites out of China slow.

Proxy

If you have access to proxy server, it is …

Scala Dependencies for SBT

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. Joda Time

    "joda-time" % "joda-time" % "2.9.9"
    
  2. Scala XML Support

    "org.scala-lang.modules" %% "scala-xml" % "1.0.6"
    
  3. Scala Parser Combinators

    "org.scala-lang.modules" %% "scala-parser-combinators" % "1.0.4"
    
  4. Scala Swing

    "org.scala-lang …

Install ITypescript/IJavascript for Jupyter Notebook

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

https://github.com/nearbydelta/itypescript

https://github.com/n-riesco/ijavascript/

wajig install nodejs npm
sudo ln -s /usr/bin/nodejs /usr/bin/node

sudo npm install -g itypescript
sudo its --hide …

Building Tool for Scala

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

  1. The recommended building tool for Sclas is Gradle > Maven > sbt. Maven is too verbosal while sbt is too hard to use.

References

http://www.hammerlab.org/2017/04/06/scala-build-tools/

Spcify Java Version to Use in a Scala Project

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

javacOptions ++= Seq("-source", "1.8", "-target", "1.8", "-Xlint")

initialize := {
  val _ = initialize.value
  if (sys.props("java.specification.version") != "1.8")
  sys.error("Java 8 is required for this project …

Collection of Jupyter Notebooks

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

https://github.com/jupyter/jupyter/wiki/A-gallery-of-interesting-Jupyter-Notebooks

https://blog.dominodatalab.com/lesser-known-ways-of-using-notebooks/

https://www.opendatascience.com/blog/jupyter-zeppelin-beaker-the-rise-of-the-notebooks/