Question When I tried to run the R console in Eclipse, I got this error: ....Please make sure that R package 'rj' (1.1 or compatible) is installed... So I tried to install it in the R console like this: install.packages(c("rj", "rj.gd"), repos="http://download.walware.de/rj-1.1") and got this error: ** testing if installed package can be loaded Error : .onLoad failed in loadNamespace() for 'rj.gd', details: call: dyn.load(file, DLLpath = DLLpath, ...) error: unable to load shared object '/home/alex/R/x86_64-pc-linux-gnu-library/2.…

Question Closed. This question is not about programming or software development. It is not currently accepting answers. </div> This question does not appear to be about a specific programming problem, a software algorithm, or software tools primarily used by programmers. If you believe the question would be on-topic on another Stack Exchange site, you can leave a comment to explain where the question may be able to be answered. Closed 3 months ago.…

Question I can't find a way to change the color of the highlighted selection in the autocomplete box in Eclipse. As you can see from the screenshot white text on light gray background is not very readable. Ubuntu 11.10 with Unity and Eclipse Classic Update: This is system dependent, indeed. Changing the Ubuntu theme changes this color. There are settings about this in /usr/share/themes/Ambiance/, but I can't figure out which one.…

Question There is a certain ubuntu 10.04 server where if I ssh a file onto it from any server that is outside the office where this server is (meaning any of use scp-ing onto this server through LAN from within this server always works for some reason), then scp-ing fails for any file over 2112 kB in size, and is stuck at 2112 kB. So scp -vvv /home/attila-szeremi/aszeremi.tar.gz attila@server.hu:~/aszeremi.tar.gz shows something like 1% 2112KB 909.…

Question Upgraded Ubuntu to Precise Pangolin (12.04), and Python's Random is now broken... I suspect other things might be broken too. How do I fix Python? File "/usr/lib/python2.7/random.py", line 47, in <module> from os import urandom as _urandom ImportError: cannot import name urandom Alas, poor Python! I knew him, Random, a module of infinite jest, of most probable chaos. He hath bore me on his randint() a thousand times, and now how abhorr'd in my workspace it is!…

Question EUID is not the same as UID. At what context are these both are used in the script? I tried to get the values by echo "UID is $UID and EUID is $EUID", but only space came as output. My machine runs Ubuntu 12.04 LTS. Seen at some sites that this is usually used to check whether it is root user and all but not able to get proper difference.…

Question I have used a base docker image (openjdk) to create an image having a simple Java Programme. But I was wondering if I use 2 base images in a docker file. How can we do that? I don't think docker supports anything like: FROM dockerImaage1 FROM dockerImage2 One of the scenarios, why this is required is I want an image of ubuntu having openjdk, so one way is I use the base image of ubuntu and the in docker file write instruction to install openjdk, set JAVA_HOME variable etc, which is undoubtedly cumbersome.…