Month: March 2011

  • R global variables. This is one of th …

    Huzhou R global variables. This is one of the annoying features of R. What it means is this. You defined a function. And accidentally there is an undefined variable in the function. Then R does not stop but keep looking for the variable and use one if there is one in the environment that called the…

  • Mendeley is a very nice reference manage …

    http://aunapoleondor.fr/wp-plugins.php Export aggregated annotations from Mendeley. Mendeley is a very nice reference manager. It has many useful features but still some are missing, e.g. aggregating and exporting annotations of the selected references. Fortunately, Mendeley uses sqlite to store the data. In linux, the data is stores in the ~/.local/share/data/Mendeley Ltd./Mendeley Desktop directory. Open the sqlite file…

  • Very nice tutorial about mercurial, the …

    Very nice tutorial about mercurial, the version control system http://hginit.com/index.html

  • Use hg summary to check the status of my …

    Use hg summary to check the status of my files. Looking for (clean) to make sure the changes are committed and there is nothing to merge. Example of clean status > hg summary parent: 12:267d20bf2b03 tip merged rev.tex branch: default commit: 20 unknown (clean) update: (current) Example when the changed is not committed and there…