Roland's homepage

My random knot in the Web

Welcome

This is my home in the virtual world, where I write about things that I want to share. The freely available software that I've written as well as some of the photographs I've taken over the years can also be found here. Please use the navigation links on the right if you are looking for something.

Recent articles

  1. Daal

    This is a recipe that I got from my big sister. She got it from her friend Charlotte. Thanks to both. :-)

    • one onion, finely chopped
    • two big cloves of garlic, finely chopped
    • one green chili, seeds removed, finely chopped (or some dried chili, like piri piri)
    • one carrot peeled and ...
  2. Switching to the vim editor

    date: 2016-11-27
    original date: 2013-08-17
    category: howto
    tags: vim editor

    After having been an Emacs user for a long time, I was starting to grow disenchanted with it around version 24. My main problem is that it was starting to get really slow. Not just in starting up, but also in daily use, specially it you kept an instance open ...

  3. Adding text or graphics to a PDF file

    Using Acrobat Reader’s ability to add text et cetera has proven unreliable for me. On multiple occasions I have lost all the text added to a PDF file. When your filling in 20-plus pages worth of permit forms this is a huge waste of time and extremely annoying.

    So I set out to find another way using the free and open-source tools I have available.

  4. Installing asymptote 2.38 in TeXLive 2016

    Since the previous article [1, 2] I’ve updated TexLive to 2016. This comes with asymptote 2.38, but not with a FreeBSD binary for it.

    My TeXLive is not installed from the FreeBSD ports tree, so I cannot use the asymptote port since it depends on the TeXLive port ...

  5. In programming, small and simple is beautiful

    If you would look over my github repositories, you’ll see that most of my programs are pretty small. And in general they are command-line applications. And that is good, because small is beautiful and simplicity is a virtue.

  6. Parallel execution with Python

    With Python it is relatively easy to make programs go faster by running things in parallel on multiple cores. This article shows you how.

    We sill concentrate on a type of problem that is easy to parallelize.


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