Older blog entries for jao (starting at number 22)

8 Dec 2001 (updated 8 Dec 2001 at 22:45 UTC) »
Galeon. Since a few weeks ago, galeon has become my default browser, substituting konqueror. It's quicker, nicer, and has a few featurettes i like (and konqueror lacks); for instance it opens new documents using the running instance (if any), and has a nice google, google groups and dictionary toolbar. It also supports anti-aliasing, and new windows do not take ages to pop up.

Procmail. I've learnt to use procmail to filter my mail, and use it in conjunction with wmbiff. I've tried also mutt again, but will stick to gnus for reading mail: i'm too used to its philosophy (mail == news), and it offers better integration with emacs.

Vim and Emacs. I've played a little with vim. It's ok, but i find it far inferior to the almighty emacs. These days i've written some emacs skeletons, with a little bit of elisp (dusting my GNU Emacs Lisp Reference Manual copy) and, boy, emacs rocks!.

New journey. Definitely, i'm going to learn Ocaml, and probably mmdk (the MMIX development kit) will be written using this nifty functional, object-oriented language. I already own Cousineau and Mauny's book, and have ordered Objective Caml (in French, i'll have to learn two languages at a time!).

FreeBSD. Still happily working with it at home. The portupgrade utilities are almost making me forget apt-get :-). I'm also using blackbox again (instead of windowmaker): after trying it again, i've found it noticeably faster (and the window decorations are nicer, i think... i always get tired of the windowmaker title bars: they are too big for my taste!).

19 Nov 2001 (updated 19 Nov 2001 at 00:52 UTC) »
Dia. I've been working on a patch for Dia, a really nice diagraming program. It is very well-writen, and it's been easy to code a diagram tree, showing all open diagrams and objects therein. The maintaners/developers are very nice guys, and my first patch quickly got into the cvs tree. I've just submitted a second one. I'm experimenting first hand the power of free software: i needed a feature, and the code was there to add it!.

FreeBSD. I'm using again FreeBSD at home. I already use Debian at work, and i really like it, but, somehow, FreeBSD appeals my hacker side. It's true that Debian is better when it comes to administration via apt/dpkg/dselect, but i thought that fighting against the nitty-gritty details of installing and configuring sofware in a Unix system once in a while gives you the opportunity of learning a lot of things. In addition, FreeBSD has, imho, a better writen kernel than linux (just look at the recent linux vm chores).

Books. Lots of them. I' ve finished:

  • The pragmatic programmer. Good, but not that good. It is a good collection of pointers, but i've found that when you don't already know about what they're talking about, the book does not provide detail enough to learn it: you must go to the urls.
  • Software architecture in practice from the SEI people. Very good. Serious software engineering for practitioners.
  • Rapid development by S. McConnell. Very good and comprenhensive. It's been of great help for guiding the development of our products in scytl.
  • Software project survival guide by S. McConnell. Also good. A complement to Rapid Development. Or maybe a sort of abstract.
  • Pattern-Oriented Software Architecture: Patterns for Concurrent and Networked Objects, also known as POSA2. Simply superb. The patterns in this book are extremely elegant and powerful, and the ACE framework gives you the oportunity of using them out of the box and in a portable manner.
Uf! No wonder i've had not time for writing diary entries! :-)
Monitor. Today i've bought a new 17' monitor, to substitute my old 14' one that died yesterday: now i know why i have to wear glasses!

Prototyping. I'm using (and learning) Gtk-Perl for building a user interface prototype (as part of the requirements analysis phase for Pnyx, our e-voting product at scytl). Gtk-Perl is really an excellent tool for this kind of job. The more i use perl, the more i like it.

Music. I'm going to the opera tomorrow: La Boheme, a wonderful masterpiece. And the theatre is also a very nice one: El gran teatre del Liceu, in Barcelona.

1 Oct 2001 (updated 1 Oct 2001 at 01:23 UTC) »
MDK. The new, Guile-aware version of MDK is finally out. It took ages to finish the new user's manual's chapters, but i think it's been worth the effort. And the next version will be even better: i've just received a mail from fxn with lots of insightful comments on the docs. It is people like him that make writting free software such a pleasure.

Job. The new job at scytl is really rewarding and exciting. Quality is our motto, and i've got here the rare chance of practising software engineering the way i think it must be done. That means lots of work, but pleasant work it is (as we say in Spain, sarna con gusto no pica). We are using LaTeX for writting technical docs, and it's really a joy: i'm having lots of fun re-discovering it in its full power. I've been also reading C++ stuff: Meyer's Effective and More Effective C++ books, and the really superb Exceptional C++ by Herb Sutter. Returning to C++, after all those months in the barren lands of Java, makes me feel like a real programmer again!

16 Sep 2001 (updated 16 Sep 2001 at 12:51 UTC) »
prla: thank you for your recommendation of Cryptonomicon. I've already read it. It's a good novel (although, imho, not a masterpiece). And thank you for the cert :).

Eric S. Raymond does NOT speak for me, either.

MDK. The Guile integration is progressing quite fast. I quickly discarded the C++ wrapper thing: the C interface is clear enough, and i didn't see a way of improving it in C++. By now, i'm able to interact with the MIX virtual machine from within a guile shell and the other way around: interpret scheme commands from the vm command prompt. This opens great possibilities, like implementing new functionality usin scheme... in short, MDK is beginning to be extensible. I plan to write new scheme extensions to access the MIX vm, and a little scheme lib for manipulating the MIX data types in the next few days, and then make a new release.

Tools. I've begun to use on a regular basis a tool to keep todo lists from the command line, devtodo, and found it really useful (thanks to fxn). A second wonderful discovery has been surfraw, a refreshing project consisting of a set of scripts to access common WWW search engines from the command line: don't miss the web page, it's worth reading!

I've released a new version of MDK (0.4.2) with a few bug fixes and new toolbars for gmixvm (i've drawn a couple of icons and got the others from gnome and kde apps). I've restarted reading guile documentation and i'm playing with the idea of a C++ wrapper (have been reading old issues of the C/C++ Users Journal and some chapters of Sutter's Exceptional C++... man, that was real fun), but i'm not still sure if this would be useful (feel free of telling me what do you think :-). In any case, it's my preferred method for learning new things: coding.

By the way, a couple of weeks ago i discovered how to use anti-aliased fonts for Qt apps (even inside WindowMaker; you just need export QT_XFT=true and XFree86 4) and Konqueror looks pretty nice: the quest for a browser is over :-))

13 Aug 2001 (updated 13 Aug 2001 at 23:51 UTC) »
Job. I've quit my old job at iSOCO last week, and will start working in a small, newly-founded crypto company called SCYTL next month. I got tired of e-business, B2B, B2C and all the buzzwords. On the other hand, the people running SCYTL are friends of mine (one of them, aleix is also an advogater), i like cryptography, and i'll have the chance of working on a software product development: the decision was straightforward :-).

MDK. The 0.4 release is almost a month old, but i've made little progress on new features. The next step should be adding guile extensibility, but it's a lot of work... btw, thanks to the great work of Agustin Navarro, we already have Mandrake packages of mdk!

Books. Mostly reading crypto these days: Levy's Crypto is not that bad, Kahn's The Codebreakers is like reading a (very good) novel, Scheneier's Applied cryptography is a must read, and Koblitz's Algebraic aspects of cryptography nicely brings up the beauty of crypto math...

Debian. Returned to using Debian GNU/Linux. Ok, i know i've been writing a lot about how nice FreeBSD is, but tried again Debian and couldn't help using it again and again. I must admit package management using apt and dselect is a pleasure, and the Debian package configuration is usually better and faster than FreeBSD's. Finally, i'm a GPL/GNU guy, and, with Debian, it's easier to keep my workstation non-free software clear.

Browser wars. Although Mozilla 0.9.2 is not that bad, i'm using almost exclusively links and Konqueror (when i want images). They're pretty stable, and Konqueror's font handling is far, far better than Mozilla's. Netscape is not even installed on my workstation!.

Scheme. Almost finished SICP, and am ready to practise scheme programming adding guile extensibility to MDK. OCaml and Perl are next.

Books. I've re-read Philip K. Dick's Ubik (this time, the original English edition) and enjoyed it like the first time. Nabokov tales (a birthday present) are waiting on the shelves, once i finish Orwell's Coming out for air. Man, i really need more free time!.

1 Jul 2001 (updated 2 Jul 2001 at 09:50 UTC) »
FreeBSD. Finally, got portupgrade working, and learned a bit more about the pkg_* utilities, and i can now maintain my 4.2 box up-to-date quite comfortably. Still think that something a la dselect would be useful, though. It seems that the Debian/BSD mailing list has resurrected latety. That's good news.

SICP. I'v learnt about lazy evaluation/streams wonderland, and got impressed by its abstraction power. This technique lets you express some mathematical abstractions on series elegantly and concisely. It's the same elegance that you get in physics when representing three-dimensional time evolving systems as a set of world-lines in four dimensions: mind-boggling at first, but enlightening once you grasp it.

The latest releases of Mozilla seem to be getting usable, and i'm giving it a(nother) try these days. It is a resource hog, though, and i must fight hard against my aversion to bloated software: i still use links for browsing local documentation.

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