Posts Tagged ‘ java ’

Top Five Open Source Projects of 2009

November 5, 2009
By

Every year, I single out what I think are the Top Five open source projects. This year, there's only one hold-over from previous years, and it's likely that I'm just going to give it a Lifetime Achievement Award and pick five others next year. 5. NetBe...

Read more »

new R package : ant

September 8, 2009
By

The ant package has been released to CRAN yesterday. As discussed in previous posts in this blog (here and here), the ant R package provides an R-aware version of the ant build tool from the apache project. The package contains an R script that c...

Read more »

update on the ant package

September 3, 2009
By

I have updated the ant package I described yesterday in this blog to add several things Now the R code related to and tasks can either be given as the code attribute or as the text inside the task The R code has acces...

Read more »

R capable version of ant

September 2, 2009
By

ant is an amazing build tool. I have been using ant for some time to build the java code that lives inside the src directories of my R packages, see this post for example. The drawbacks of this approach are : that it assumes ant is available on...

Read more »

Tip: get java home from R with rJava

September 2, 2009
By

Assuming rJava is installed and works, it is possible to take advantage of its magic to get the path where java is installed: $ Rscript --default-packages="methods,rJava" -e ".jinit(); .jcall( 'java/lang/System', 'S', 'getProperty', 'java.home' )...

Read more »

Combine R CMD build and junit

August 28, 2009
By

This is a post in the series Mixing R CMD build and ant. Previous posts have shown how to compile the java code that lives in the src directory of a package and how to document this code using javadoc. This post tackles the problem of unit testin...

Read more »

Completion for java objects

August 9, 2009
By

As indicated in this thread, completion after the dollar operator can be customized by defining a custom names method. Here I am showing how to take advantage of this to display fields and methods of java references (jobjRef objects from the rJava ...

Read more »

Rails, Scalability and Sexism

April 29, 2009
By

It’s been a long time since I posted here, for a number of reasons: Change of focus from Ruby programming to Linux capacity planning, especially in the realm of I/O subsystems. You’ll find more about that at http://linuxcapacityplanning.com...

Read more »

Search R-bloggers


Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)