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  • SGML / XML / HTML

    An SGML fan, an XML fan, and an HTML fan are watching a movie when they notice smoke coming out of a trashcan.

    The SGML fan says “We must convince the theater management to hire an expert to write a DTD for emergency-announcements, and sell them an expensive application for archiving announcements, and get them to hire a team to convert all their old announcements to SGML!”

    The XML fan says, “There’s no time for that! We must train all the audience members to recognise XML, and then start a committee to investigate the possibility of starting negotiations to form a working group to write a paper on the future evolution of emergency-announcement semantics!”

    Meanwhile, the HTML fan takes out his wireless PDA and types in:

    <h1><span style=“color: red;">FIRE!</span></h1>

    which he quickly hacks the digital projection system to display, saving the lives of everyone in the theater.

    (Found on Molly.com)

    → 10:08 AM, Jul 13
  • First 10-digit prime found in consecutive digits of e

    first 10-digit prime found in consecutive digits of e

    The billboard shown above is part of a recruiting campaing of Google. I am far from smart enough to solve this problem, and it this moment I haven’t got any plans to move to the United States. But I am interested in the solution, so for the moment I wait until somebody has solved this problem, and publishes it on internet. After that, I will be able to find it throught Google.

    [Update 2004.07.14]: Google already gives some answers. The best discussion about the answer, 7427466391.com, is found at the FogCreek forum.

    → 9:12 AM, Jul 13
  • IQ!

    The Classic IQ Test Watch out, they want your data!

    Congratulations, Jeroen! Your IQ score is 136 This number is based on a scientific formula that compares how many questions you answered correctly on the Classic IQ Test relative to others. Your Intellectual Type is Visionary Philosopher. This means you are highly intelligent and have a powerful mix of skills and insight that can be applied in a variety of different ways. Like Plato, your exceptional math and verbal skills make you very adept at explaining things to others — and at anticipating and predicting patterns. And that's just some of what we know about you from your IQ results.

    I wonder how they are able to tell something about my verbal skills based on an on-line test. What’s Your IQ?

    → 7:02 PM, Jul 12
  • Technology Barometer

    DiceLaRed —TheNetSays— has a nice tool: the Technology Barometer. They monitor several sites, mostly weblogs, and automatically create a graph of the subjects these sites talk about. Really neat. This is the current graph:

    → 11:29 AM, Jul 12
  • More bloggers in Lleida

    About a year ago I made a list of webloggers from Lleida. It was time to have a look at it again, so I consulted my friend Google, to find some additional weblogs:

    El Bloc Catxipanda A Catalan site, made with an Italian CMS :-D. I like the use of the word “tristpartit” for the Catalan government.

    Lizzie Another Lleidatan writing in English!!!

    Bitacola d’en Chufo A new blog, counting only three posts at the moment. Let’s wait and see…

    → 11:19 AM, Jul 12
  • Microsoft Outlook

    Outlook

    I have a confession to make: I use Microsoft Outlook.

    Not at home, but in the office. I know many people are stuck with Microsoft Outlook because their company uses an Exchange server, but that is not the case with me; I am free to choose. I use Microsoft Outlook because it allows me to do some things I can't accomplish with other tools, even though there are many things I don't like about Outlook.

    The main feature that has become indispensable for my is the fact that I can adjust any view to my needs. I have a huge list of contacts, which I have grouped in two levels (country and company). That way I can quickly find contact information. Unfortunately, when I select a contact from a new message window, all I have is a huge flat list of contacts. Another feature I use frequently us the ability to add fields to items. All my task fields have an additional field called 'project', where I put the name of the project this task belongs to. If I group my tasks by project I have a good overview off all pending items per project.

    The features mentioned above are essential for my functioning in the office. Some other features are simply handy to have. For example, conditional formatting allows me to change the view of an item, so that I can see quickly which items have to be processed today or in the coming week, and which items are in progress.

    As bloated as Outlook may be (partly fixed by some add-ons), I haven't found a better PIM.

    → 1:32 PM, Jul 9
  • Bloglines

    Bloglines has redesigned!

    The new user interface looks more beautiful, and they also added some new functions. You can now blog about the items you read, directly in Bloglines!

    Bloglines
    → 8:35 AM, Jul 7
  • Six months

    Six months ago I set some targets for myself for this year. Now that I am halfway the year, it is time to evaluate my progress:

    Learn to speak Spanish

    My Spanish is definitely better, simply because I have been using it some months more. I planned to study more structurally, but so far I haven’t spent a single minute doing this. There’s still work to do on this one.

    Say "ja"

    I am on schedule on this one; I expect to finish this task in 36 days.

    Call old friends

    I have more contact with my old friends in Holland than I had last year. However, for my feeling it can be even better.

    Finish work in the house

    The plans have been made, now all we have to do is say to eachother to start. I still have hope.

    Be less afraid of risks

    This is the most vague item on the list, and I don’t know how I can ‘measure’ the result. My feeling tells me that it hasn’t changed much.

    Think about the future

    My plans for the near future, 2–3 years, are ready. But what do I want with the rest of my life?????

    Spend more time in the nature

    For several reasons, we haven’t made as many excursions as we would like. Now that summer has come, the only nature we can visit is the Mediteranian Sea. This item has been postponed to autumn.

    Learn to program in python.

    Not started yet… All in all I have the feeling that at 50% of the year I haven’t reached 50% of my aims.

    → 4:39 PM, Jul 2
  • Mobical

    I have been using the services of Mobical for some time now, mainly to back up my cell phone’s contact list, and have been very satisfied. Once in a while I press the button on my phone, and I know that all my phone numbers are stored safely on a server in Sweden. They also supply a web interface to your data, so you can enter your contacts with more than nine buttons, but I never used that.

    Today I visited them again, and noticed that they have created version two of their service. Version two is not backwards compatible, so I had to create a new account. After setting up my account, I uploaded the data from my phone, and looked around at the site. It all looks very professional, and I can imagine that some people use this as their main agenda contact list. It has a nice overview window with the upcoming meetings and tasks, and you can browse your contacts in an intuitive way. Notes have been implemented as post-it notes glued to each page, with the option to drag them with your mouse. Really neat… if you only have one note. I tend to store many small pieces of useful information as notes on my phone (I definitely have to buy me a Palm) and the pot-its became very annoying. I tried to close the ‘windows’, but a pop-up warned me that I was about to delete the note.

    For the moment I continue to use Mobical as always: to back-up my data.

    → 6:24 PM, Jul 1
  • Finding a country

    This is a message for every person in the world creating a form with a drop-down list to choose the country from: the country where I was born is called The Netherlands, and I expect it to appear in the list right between Nepal and Netherlands Antilles. I am not going to look at the H, since Holland is only a part of The Netherlands, and neither do I expect it at the T, if dictionaries would do the same, most entries would be found under the T!

    Thanks!

    → 4:15 PM, Jul 1
  • Quote

    💬

    Everything should be made as simple as possible, but not simpler. — Albert Einstein

    → 5:01 PM, Jun 29
  • Unproductive weather

    Summer in Lleida has a bad name. Being in the inlands without any lake and usually without even a small breeze makes Lleida a very hot place. The hottest months yet have to come and the temperature is already at 38°C. With this kind of temperatures you have only two options to spend your free time: inside the water (a swimming pool or the sea) or in the mountains. In both cases it is advisable to leave early in the morning, as driving a car can be unbearable during the day.

    This weekend we chose the swimming pool option, since we didn’t feel like driving very far. As a result, our activities were limited to those you can do in a swimming pool, which is basically limited to reading. Fortunately I still had to read the latest Linux Journal, but for next weekend I will have to buy some books.

    → 11:52 AM, Jun 28
  • Sant Joan

    The night of San Joan, two o’clock in the morning. We are sitting side by side on a balcony on the fifth floor of a house in Balafia. The view is stunning; we can oversee the whole city with the Seu Vella high above it. There are fireworks and bonfires everywhere, and I count 5 empty bottles of Cava. The radio plays “The house of the rising sun”, so there is no need to say anything…

    → 11:51 AM, Jun 25
  • Getting things done

    Just like many people, sometimes my head bursts of all things I have to remember and to do. In fact, my short—term memory is terrible; I am able to tell you to do something and completely forget about it within 10 minutes. The reason for this is that I can be completely focussed on the action I am doing at the moment. I am aware of this problem, and have tried out many strategies to overcome this. How can I process the enormous amount of information I receive by e-mail, hear from colleagues and clients and read on the internet without getting drowned in it, so that I can actually get things done?

    The answer for me lies in the last three words: for the last year I have been applying David Allen’s methodology called Getting Things Done. This method looks a lot like the things I have been trying out before; only it is worked out a lot better. The basis is to process your inbox (which can be mail, paper, phone…) and fill your calendar and next action system. Combined with a weekly review, this system ensures that no action will slip out of your system, and you actually get things done.

    GTD

    Of course the whole thing is explained in more detail in the book by David Allen, but this scheme explains a lot.

    → 5:56 PM, Jun 23
  • Evaluating Mambo Open Source

    mos_asterisk

    These days I am trying to see whether the Mambo Open Source CMS system could fit my idea’s for the new Fimcap site. The software is very complete, and I still have to explore all available third-party Components and Modules before I can make my final judgement. I am using this post as my scrapbook, so I can access my notes from any computer.

    • To support the site in three languages, the best solution is to have three separate installation; note: I still have to look at mambelfish
    • The default DTD is XHTML 1.0 Transitional;
    • The default templates do not validate; :-(
    • If I want to see the contents of a section, it gives me a list with the categories within that section. I would like to be able to see the actual items, grouped by category;
    • Is it possible to have a general login without the rights to publish documents or to change account settings?;
    • The default WYSIWYG HTML editor only works on Internet Explorer and produces upper case elements;
    • The user manual is very clear, but unfortunately more technical documentation (template design) is not available yet;
    • There are two separate login systems, one for the site and one for the administrative interface. I would like to login only once;
    • The PartyStaff module lets authors manage their own details (presidium page);
    → 1:20 PM, Jun 21
  • Digital vs. Film cameras

    More and more people are buying digital cameras; I even read that the digital camera sales outnumber the traditional film cameras nowadays. I am very happy with my Canon film camera, but after I have been playing with my parents' new Sony digital camera last week I wondered whether a digital camera would be something for me. Of course as a gadget it would most certainly be welcome, but as a replacement for my current film camera it will need to add much additional benefits. So I made a little comparison:

    Pro digital:

    • Electronic format Logically, digital cameras store photographs in a digital format. This makes it very easy to save them on your PC.
    • Easier handling Related to the digital format, photographs taken with a digital camera are much easier to publish to the internet, to e-mail to your friends and relatives and to catalogue. Besides that you can easily retouch them using graphical editing software.
    • No film rolls Since you don't need to buy film rolls, the costs per photograph will drop significantly.
    • Cheaper workflow With a digital camera you work different. You shoot your pictures, delete the ones you don't like, store them on you PC and maybe you will print your best pictures. This is a very cheap process.
    • Quantity gives quality Because the workflow is so cheap, you generally make many more images. This has two big benefits for the image quality: first you simply have a bigger chance making a photograph at the right place and the right time and secondly the more pictures you make, the more experienced you become. Professional photographers use the same tactic, but using film makes it way too expensive for amateur photographers.

    Pro film:

    • Higher resolution It is difficult to compare two completely different techniques, but in general film cameras have a much higher resolution. In digital cameras the important parameter is the number of Megapixels — even though the sensor size is more important — so experts have been trying to calculate this number for film cameras. Results vary, but most conclude that film cameras have a resolution between 15 and 25 Megapixels.
    • Bigger enlargements The quality of enlargements is another feature in which the traditional camera beats the newcomers. A photograph made with a film camera can easily be enlarged to 40 by 50 centimetres, while a digital photograph will start losing quality at 20 by 25 cm.
    • Cheaper cameras Film cameras cost only a fraction of their digital equivalents; sometimes they are even 90% cheaper.
    • Dynamic range Digital photo chips have limits in dynamic range; at a certain moment a change in subject brightness won't result in a change in image brightness anymore. Films do not have this hard limit, but rather become less and less sensitive. The dynamic range of films is larger than the dynamic range of photo chips.
    • Proven technology Film cameras on the market now do not differ much from those on the market five years ago. In general you buy a camera and use it until it stops working. A digital camera however, is new technology that is still being developed. You new 6 megapixel camera will be considered old within a year. I don't know anybody who is still using his one megapixel camera he bought two years ago, but I know several people still using a film camera they bought over a decade ago.

    In short, digital cameras give you ease of use and electronic access to your photographs, while film cameras give you quality and are cheaper. The choice is up to you. For me it is not so important having a digital photograph — though I would like to publish more photo’s on this site. On a cold Sunday in winter, I like to grab a photo album and browse through the images on my sofa. I don’t think I can have that same feeling sitting behind my computer. For the moment I still prefer film cameras to digital cameras, but maybe I might buy a very cheap digital camera for those moments I want to send a photo by e-mail or publish it on this site.

    → 1:01 PM, Jun 16
  • Firefox 0.9

    Firefox 0.9 has been released today. Of course I immediately downloaded and installed it. As the version number shows, this is still a technology preview, so there still are some things not working quite as they should.

    The most important missing feature is a good installation procedure. To upgrade from version 0.8 to 0.9, I had to remove the old version, install the new one and after that I had to reinstall all my extensions — Bookmarks synchronizer, Bloglines notifier, Links toolbar. All together 10 minutes work to upgrade a simple application.

    But alas, this was the last time I had to go through this, since the next version will hopefully be 1.0 and will include the upgrade functionality.

    → 12:07 PM, Jun 15
  • Nice car

    Buick Electra Convertible 1959

    A red Buick Electra Convertible 1959. Really nice car…

    → 10:45 AM, Jun 14
  • Spanish Road Rules #1: Minimum speed

    When you travel by car through Europe, you’ll find that the traffic rules are more or less the same for all countries. Of course there are some minor differences as the maximum speed on —120 km/h in the Netherlands, 130 km/h in France— but in general the rules are the same. Nobody ever warned for the fact that the Standard European Traffic Rules are not valid in Spain. The confusing part is that the used signs are exactly the same, but the interpretation might surprise visitors from abroad. Therefore I decided to write here about the differences I experienced, starting with the most disturbing rule: the minimum speed.

    50

    Each road has a minimum speed, which is normally shown with a sign equally to the one above. In general the minimum speeds are as follows:

    • inside towns: 50 km/h;
    • open roads: 80 or 100 km/h;
    • motorways: 120 km/h.

    It is very important to obey the minimum speed. Fortunately, the local drivers are very friendly and will warn you if you are driving slower than the minimum. They will signal with their lights and horns, wave with their arms and even shout at you. In case you miss these signals, they will risk their lives and approach you with their own car up to a distance of 30 centimetres. They assume that once you will notice them you accelerate to keep their lives out of danger.

    → 1:32 PM, Jun 7
  • braintags.com

    Already for some months, this site can be reached at another domain name: braintags.com.

    First this domain was hosted at another server, redirecting to jeroensangers.com, and since some weeks it serves as a full domain name for this site. Silently I have tested the new domain name for some time, since I like it better than the original one. This site is called ‘Brain Tags’, so it is only logical that you can reach it through braintags.com.

    As of today I changed the configuration of this site to use braintags.com as its main domain, though you can of course still access the site by its old URL.

    → 8:10 PM, Jun 4
  • Link dump syndication

    Valid Atom

    The new Link dump section of this site is now also available as an Atom 0.3 feed, so you will be able to receive my links in your favourite feed reader — my preferred reader is Bloglines.

    In the footer of each page you will find feeds button, showing you all available feeds.

    → 10:57 AM, Jun 4
  • Link dump

    After restructuring the templates, it was time top add a new feature: the Link dump.

    While surfing the internet, I find so many interesting sites, which I usually bookmark all. Lately I found my bookmarks getting too crowded, making it difficult to find specific links. From now on I won’t put them in my bookmarks anymore, but publish them on this site, for four good reasons:

    • My bookmarks list stays cleaner;
    • I can use the search function to look up links;
    • I can easily add comments;
    • You also benefit from my findings.

    For the moment the link dump is implemented solely as a list on the main page, but I plan to add an archiving function and enable comments on individual links.

    → 12:15 PM, Jun 3
  • Tools

    In an international office like ours, the right tools are very important. My most important tool is the phone; I spend most of the day talking on the phone. All other important tools are electronic ones, as you can see from this screenshot (click for a larger version):

    Desktop

    I e-mail a lot and use instant messaging through Trillian (MSN, AIM, ICQ, Yahoo and IRC in one application). But the handiest tool I have is the big image on the background: xearth for Windows. It shows me in a single screen which of our foreign contacts is awake. ;-)

    → 8:14 PM, Jun 2
  • Horizontal centering images

    I am facing a small CSS problem: I have a page with some blocks of content, of which I don’t know the contents on beforehand. Therefore all blocks — defined by div elements — have the same definition. If the block contains text, it has to be left aligned; if the block contains an image, it has to be horizontally centred.

    In the good ol' HTML era, I would simply add align=“center” to the img element, and I would be done. But with CSS, the only way to centre an image is with text-align: center; to the parent element of the image. But this is impossible, since I don’t know the contents on beforehand.

    What I would want is to apply a certain style depending on the child element; something like: div < img {text-align:center}. Since this kind of instructions do not exist, I will probably have to use some kind of JavaScript hack to accomplish what I want — or does anybody know a better solution?

    → 5:07 PM, Jun 2
  • Templates restructured

    I have restructured my templates for this site. The old ones used way too many <div>’s and <span>’s, which cluttered up the HTML — these elements are today’s equivalent of the tables in the 90’s. I decided to start from zero and only add those elements that I think are necessary. As a result, the new pages are smaller, which should make them faster for you.

    To make things easier for me, I decided to use another Document Type Definition. This site is now XHTML 1.0 Strict, instead of XHTML 1.1. To me it feels a little bit like a loss, since I liked it that my site was on the forefront of web technology, but the hassle is simple too big. The biggest problem is that a lot of JavaScript won’t work, and my knowledge is not enough to fix these things myself.

    I also took the opportunity to activate the TypeKey service for those people who want to use it. It is not required; I only see it as a means for showing to the readers that it was really you who wrote this comment. As an alternative you can still use OpenPGP to certify your comments.

    There are still some things not going quite as I wanted to, and the quickly adjusted stylesheet makes this site look even worse than before in Internet Explorer, but I will be working on those. If you notice any strange behaviour or mistake, please let me know.

    → 1:26 PM, Jun 2
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