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Ruby | Conecto ergo sum. - Part 2
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RMagick4J: status update


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In first place, my apologies if the lack of a new release or new feature is disturbing someone. Currently, I’m working on new effects and I need a good convolve method for them to work. In the begining, I tried to replicate the convolve method, but finally I prefer to use the ConvolveOp class, expanding …

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If you are (un)happy with Ruby 1.8.7


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There are two interesting topics in the Ruby Forum being discussed right now. Both opened by George Brown (the guy behind Prawn). They are: If you are happy with the direction of Ruby 1.8.7+, respond If you are unhappy with the direction of Ruby 1.8.7+, respond I’ve read every single message because backwards compatibility in …

Read moreIf you are (un)happy with Ruby 1.8.7

Why I like JRuby


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Some days ago Tom forwarded me an email from Mikael Lammentausta. Mikael found an issue with rmagick4j. Using this Mikael’s script < View plain text > code require ‘rubygems’ require ‘gruff’     def basic_graph()     g = Gruff::Line.new     g.theme = {       :colors => [‘#7F0099’, ‘#2F85ED’, ‘#2FED09′,’#EC962F’],     …

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Problem 3


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Wording: (Original) The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number 600851475143 ? Solution: First the code: include Math def prime_factors(num, factor=2) return [] if num

RMagick4J 0.3.6


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I am glad to announce a new version of rmagick4j. RMagick4J aims to implement the ImageMagick funcionality and the C portions of RMagick for make it works in JRuby. Current stable version: 0.3.6 Project URL: http://code.google.com/p/rmagick4j/ Installation: gem install rmagick4j Google Summer of Code project should be thanked for making this new release possible. In …

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Sustituyendo a las animadoras con Ruby en Mac.


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El título del post puede sonar raro, pero lo que voy a mostrar hoy es cómo conseguir tu propia animadora en Mac con Ruby. Lo que haremos será hacer que nuestro ordenador, con una orden como: ruby cheerleader.rb Serabe Nos muestre por pantalla: Dame una S Dame una E Dame una R Dame una A …

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RMagick: Dibujar con patrones


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Una interesante cualidad de la clase Draw de RMagick es la posibilidad de definir patrones a través del método pattern. En primer lugar, lo básico: < View plain text > code require ‘rubygems’ require ‘RMagick’   include Magick Ahora definamos el patrón. Para ello, necesitamos cinco parámetros, el nombre, dos números que recomiendo ponerlos a …

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New RMagick4J release.


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RMagick aims to implement the ImageMagick funcionality and the C portions of RMagick for make it works in JRuby. Current stable version: 0.3.5 Project URL: http://code.google.com/p/rmagick4j/ Installation: gem install rmagick4j Google Summer of Code project should be thanked for making this new release possible. In release 0.3.5 the following improvements have been made: Implemented Draw …

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Ay, Serabe, que no haces nada ni tan siquiera regular.


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Hoy me he tirado unas cuatro horas para encontrar un bug, uno de estos puñeteros bichos que te atrapan y te dejan cosas como estas: Para que os hagáis una idea, tenía que ser esto: Como se puede apreciar, son sensiblemente diferentes. Así que cuatro horas de mi vida han transformado lo primero, en lo …

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Sweating blood


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Si alguno está investigando sobre las Stories de RSpec, y no consigue hacerlas funcionar, un < View plain text > code require ‘spec/story’ debería solucionarlo todo… Joder lo que hace mi inutilidad y mi falta de documentación.


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