Beschreibung:
The Ruby dynamic OO programming language.
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newbie question
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Hello I noticed the following example somewhere def mymethod(opts) p opts end mymethod(:aaa => "something") I'm wondering what this :aaa stands for. If I omit the colon before the dummy aaa, it doesn't works. Thanks for any hint/light.
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Pseudo array for Rails migration
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Consider N_X = 20 # size of pseudo array class CreatePeople < ActiveRecord::Migration create_table :people do |t| t.string :first_name , :null => false . . . t.integer :x00 t.integer :x01 t.integer :x02 . . . t.integer :x18... Mehr »
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OCR of PDF-documents using GData
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Hi, Has anybody been able to perform OCR on a pdf document using GData? [link] Png and jpgs work fine after setting @client.version = '3' in GData::Client::DocList but when I try pdf-files I get: ...xmlns='[link]>... Mehr »
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where to find the help document?
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Hello, How to find ruby's help document? for example, I want to know what's the difference between two functions of "p" and "print", but don't know where to search. Thanks.
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Killing a thread
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This code starts my application in a windows thread fine but the last line does not kill the application that got fired up initially. How come? x = Thread.new do system('app.exe') end sleep 10 Thread.kill(x) David
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Same name for class and instance method
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Newbie here. Consider the following two "say" methods. irb(main):020:0> class Test2 irb(main):021:1> def self.say(block) irb(main):022:2> block.call(self.class) irb(main):023:2> end irb(main):024:1> def say(block) irb(main):025:2> block.call(self.class) irb(main):026:2> end irb(main):027:1> end... Mehr »
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How to alias_method_chain initialize from a mixin.
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Hi, I've been having a little trouble the past couple days getting an alias_method_chain working on the initialize method via a module getting mixed into a class. For example: - - - - - module Dsl def self.included(base) base.instance_eval do include InstanceMethods alias_method :initialize_without_block_supp ort, :initialize... Mehr »
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