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domingo, septiembre 28, 2008

Convertir juego de caracteres de ficheros

Y Para lanzarlos desde el menú contextual de nautilus: nautilus-actions.

Charset linux ubuntu HOWTO

convmv, konwert, iconv

convmv converts filenames (not file content), directories, and even whole filesystems to a different encoding. This comes in very handy if, for example, one switches from an 8-bit locale to an UTF-8 locale or changes charsets on Samba servers. It has some smart features: it automagically recognises if a file is already UTF-8 encoded (thus partly converted filesystems can be fully moved to UTF-8) and it also takes care of symlinks. Additionally, it is able to convert from normalization form C (UTF-8 NFC) to NFD and vice-versa. This is important for interoperability with Mac OS X, for example, which uses NFD, while Linux and most other Unixes use NFC. Though it's primary written to convert from/to UTF-8 it can also be used with almost any other charset encoding. Convmv can also be used for case conversion from upper to lower case and vice versa with virtually any charset. Note that this is a command line tool which requires at least Perl version 5.8.0.

martes, septiembre 23, 2008

Principios del javascript

Consejos de expertos profesionales
10 Essential Principles of the Javascript Masters - NETTUTS
JavaScript is one of the most widely used languages in web development. It's simple, yet very powerful, and the number of ways that it can be used are almost limitless. That's why it's so important to gather advice from those who have gone before you. Here are 10 tips from well-respected web developers within the JavaScript community.

lunes, septiembre 15, 2008

HOWTO: Memoria virtual en la Nokia Internet Tablet

En la N800 y la N810:

The Swaporific N810 | kdedevelopers.org
I only discovered today that the n810 doesn't have any swap file turned on by default. It has only 128Mb of memory, which is quite easy to fill up. And when you fill up the memory you don't get a 'consumer friendly dialog' telling you that your machine is full. No instead of anything helpful, the machine will behave slowly, erratically and then ultimately crash. And after is has crashed you will often find that it won't boot anymore and you need to restore your root partition from a backup.

miércoles, septiembre 10, 2008

HOWTO crear dinero

Como se crea el dinero | Todos los COMO
Esta pelicula es lo mejor que encontre para entender como se produce el dinero.

Ideal para los alumnos de la escuelas primarias, es muy didactico, ya que explica el funcionamiento de los bancos centrales, el interes, la deuda, y demases temas relacionados con las finanzas.

miércoles, septiembre 03, 2008

Presentaciones de PowerPoint excelentes

Vídeos de cómo hacer buenos .ppt

Presentation Zen: PowerPoint: sometimes you have to laugh to keep from crying

PowerPoint as pure comedy gold
Below are a few examples of presenters using PowerPoint to help illustrate their messages. In each case the tool actually enhanced the presenter's ability to make a connection with the audience and drive their messages home. The first two presentations are by Don McMillan. Don is a former engineer with a Masters degree in Electrical Engineering from Stanford. He gives some good advice on using the PowerPoint tool properly.

lunes, septiembre 01, 2008

Libro sobre creatividad

Problem solving
The Universal Traveler: A Soft ... - Google Book Search
This unique book will open your eyes to effective and stimulating formulas for solving problems. Discover how techniques developed in specialized disciplines can be applied to almost any business, social, or personal situation.
Table of Contents

Comentario en la lista HCI:

I'd like to add to the discussion about solo ideation by framing of it as a dialog with ourselves. We want to get dialog of ideas flowing and keep them flowing. Here are some points of practice that I have found very useful:

1. Set up a defined time for the session. We want to challenge ourselves to think by different rules for a while because we're going to set aside our dominant analytical and critical thinking abilities and open up the wild side of imagination. So we give our critical side the assurance that we're going to play by these rules for only 20 or 30 minutes, then the critical function can come back in.

2. Keep the critical thinking function out of the room during the session. This is another way of thinking about Osborn's "defer judgement" principle, and it's fundamental to this kind of ideation. Without this principle, we end up driving with our foot on the brake. What it means in practice is that we want to entertain not only the wild, weird and improbable, but also the dumb, mundane, copycat, and obvious ideas. Let everything and anything come out. We want flow, and sometimes the best way to start the flow is with the most obvious solutions. Get them out and see what's behind them.

3. Get the ideas into the room. It's hard to have a constructive dialog with ourselves if it all takes place inside our head. Thoughts are ephemeral, and to really respond and build on an idea we need to make it persistent. Write things on postits or whiteboard, or slips of paper on the table, or anything that captures the ephemeral thoughts. Get them out of our head and into the room. This makes way for new thoughts and creates artifacts that we can sort, cluster, combine, etc., to see patterns and relationships, as well as reconsider and reflect on.

4. Be visual. It really helps to make some kind of visual sketch or notation for an idea as we create it. The process is more natural when we're brainstorming about physical objects, but don't be blocked by the notion that "there's no way to represent this idea...." Find a way to put some kind of glyph, scribble or symbol with even the most abstract concepts. The idea here is not to make a graphical explanation of the idea on the spot, because that may really break the flow. We just want to tie something visual to it. When we scan the wall or board or table full of ideas, these little graphical snips give the imagination something else to work with. A sketch or scribble that's tied to a verbal idea also makes individual ideas easier to identify and remember, when faced with a wall of 50-100 postits.

5. Be visual again later. I have found it useful to take a second visualizing pass on the ideas even after the brainstorm session is over. Take some set of the most promising ideas and make a sketch that represents each one. The process of thinking over the idea and trying to come up with a way to diagram or represent it often gives new insight into that idea and spawns other new ideas. Try this as a simple exercise or practice for time or two and see how it affects your overall attitude and results.