Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/jetpack/_inc/lib/class.media-summary.php on line 77

Warning: "continue" targeting switch is equivalent to "break". Did you mean to use "continue 2"? in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/jetpack/_inc/lib/class.media-summary.php on line 87
Serabe | Conecto ergo sum. - Part 2
Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Aprendiendo jQuery con la web del Senado, I


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Notas previas. En primer lugar, agradecer a los desarrolladores que han trabajado duramente en funciones.js y en aquellos que no se han molestado en pasarlo por un minimizador de código. Se recomienda leer antes el artículo de Javier Ramírez Los problemas del desarrollo web en España resumidos en senado.es. El código está disponible en este …

Read moreAprendiendo jQuery con la web del Senado, I

Adding organization repos to Travis-CI: Part I


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

It was a nice Friday, Porras and I were at the BeBanjOffice and  we were working on adding organization support to Travis-CI. First, we needed to find where the user repos were being fetch. Said and done, we found that travis is using the ServiceHookController to ask the server for repos (and to update them too, but …

Read moreAdding organization repos to Travis-CI: Part I

Transforming CSS selector to an XPath query


Warning: Illegal string offset 'language' in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/igsyntax-hiliter/classes/frontend.php on line 510

Warning: ksort() expects parameter 1 to be array, string given in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/igsyntax-hiliter/classes/frontend.php on line 513

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

So. Easy. < View plain text > code require ‘nokogiri’; Nokogiri::CSS.xpath_for(css_selector)

Tries: la pronunciación se deja como ejercicio para el lector.


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

El repositorio de github de trie. Tomad y usad todos de él. Para ver el artículo de succint trie, añadid en Google Reader el feed http://stevehanov.ca/blog/index.php?atom El artículo se llama “Succint Data Structures: Cramming 80,000 words into a Javascript file“. Próximamente la presentación en slideshare. Próximamente el vídeo. Cuando vea en qué formato sale lo de …

Read moreTries: la pronunciación se deja como ejercicio para el lector.

The Essential Guide to HTML5: a review


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

After reading this book I have some encountered feelings about it: on the one hand the content is correct, everything I tested worked fine, etc but on the other hand I really find annoying the form it is presented. When I started reading, I expected to find more about CSS3 (a topic almost not covered …

Read moreThe Essential Guide to HTML5: a review

Creating a blur effect with rinzelight.


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

After releasing rinzelight 0.0.3, I wondered how hard addinga blur effect would be. So I started implementing it. We are going to do two 1D blur. In first place, open a repl and start emacs (or vim). Use rinzelight.image for reading northern-lights.jpg First, let’s start creating a blur-kernel function with two parameters, width and sigma. …

Read moreCreating a blur effect with rinzelight.

Introducing rinzelight 0.0.2


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

I started writing rinzelight long time ago. Exactly, I started on February. Sadly, since I wasn’t getting a few points about Clojure, I stopped working on it twenty days after for half a year. But do not let me digress. Rinzelight is finally released! Actually, rinzelight 0.0.2 is released! But let me introduce you to …

Read moreIntroducing rinzelight 0.0.2

The One where I spent a morning because -0.5 turned to be parsed as 1/2


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

This summer, I have been doing some amazing stuff for GeoGebra. First of all, I would like to thank two people: Miguel, my mentor, who guided me through all that really advanced mathematical stuff; and Heinz Kredel, JAS creator and developer, who answered all my questions and implemented my suggestions as quickly as I could …

Read moreThe One where I spent a morning because -0.5 turned to be parsed as 1/2

Status update for GeoGebra.


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

My contributions for the first part of the first part of GSoC 2010 can be divided in two: general improvements and coding. General improvements I made a few general improvements on GeoGebra: Refactored build.dir in ant build file. Previously, build.dir wasn’t in the root directory. A few ant tasks were added, such compile-grammar, compile-oe (outside …

Read moreStatus update for GeoGebra.

About WordPress automatic upgrade.


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

I’m stupid, and here is why: Long, long time ago,  when WordPress 2.7 was released I got excited about  the automatic upgrade feature. I never got to get it working, but I didn’t care at all. I don’t have that many plug-ins, and sometimes in a while, I just uploaded all the files via FTP. …

Read moreAbout WordPress automatic upgrade.


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /homepages/11/d274290037/htdocs/serabe/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524