bbxx789_05ss's articles:

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where is instance_eval() defined? 4 28 (5/18/2011 9:10:53 PM) comp.lang.ruby Where in the hell is instance_eval() defined? In "The Ruby Programming Language", it says it's defined in Object, but the 1.9.2 docs don't list it in Object: http://www.ruby-doc.org/core/classes/Object.html ... 7stud

instance_eval trickiness 0 39 (4/15/2011 6:53:15 PM) comp.lang.ruby Hi, I think instance_eval() is the trickiest of the eval's to understand. "Metaprogramming Ruby" says there are two concepts that you have to be aware of: 1) which object is self 2) which object is the curren... 7stud

functional languages -- any recommendations? 15 29 (4/5/2011 1:17:39 AM) comp.lang.ruby Haskell, Scala, or Erlang? Which one is the best? -- Posted via http://www.ruby-forum.com/. ... 7stud

send() with a block? 22 24 (3/12/2011 8:45:39 PM) comp.lang.ruby Why don't the ruby docs say that send() can take a block? Kernel.send(:define_method, :my_meth) do |x| puts x end my_meth(10) --output:-- 10 At the following link there is nothing saying that send() will ... 7stud

class_eval() problem 2 26 (3/11/2011 1:42:52 AM) comp.lang.ruby Here is some code that works as expected: def create_class Class.new end MyClass = create_class MyClass.class_eval do def greet puts 'hi' end end obj = MyClass.new obj.greet --output:-- hi Now ... 7stud

parsing rule for this code? 10 89 (2/25/2011 3:41:08 AM) comp.lang.ruby 1) class ABC def do_something number = 10 puts number end end ABC.new.do_something --output:-- 10 2) class ABC def do_something 3.times do |x| ... 7stud

why is $1 in a grep() equal to nil? 15 77 (2/24/2011 8:59:55 PM) comp.lang.ruby class DataSource def get_cpu_info "cpu8001" end def get_cpu_price 101 end def get_mouse_info "mouse241" end def get_mouse_price 40 e... 7stud

installing lxml ? 14 17 (11/11/2009 12:49:48 PM) comp.lang.python I'm trying to install lxml, but I can't figure out the installation instructions. Here: http://codespeak.net/lxml/installation.html it says: 1) Get the easy_install tool. Ok, I went to the easy_install web... 7stud

print() and unicode strings (python 3.1) 11 16 (8/24/2009 3:29:39 PM) comp.lang.python =3D=3D=3D=3D=3D=3Dpython 2.6 =3D=3D=3D=3D=3D=3D import sys print sys.getdefaultencoding() s =3D u"\u20ac" print s.encode("utf-8") $ python2.6 1test.py ascii =80 =3D=3D=3D=3D=3Dpython 3.1 =3D=3D=3D=3D=3D=3... 7stud

start_with? Does someone need a grammar lesson? 14 27 (8/17/2009 3:49:19 AM) comp.lang.ruby String#start_with?------------------------------- str.start_with?([prefix]+) => true or false From Ruby 1.9.1 ------------------------------------------------ Returns true if _str_ starts wit... 7stud

bbxx789_05ss's replies:

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Ruby Clasess 4 25 (5/21/2011 7:23:16 AM) comp.lang.ruby How do I get all the classes that descend from a parent class ? I found solution on http://stackoverflow.com/questions/2393697/look-up-all-descendants-of-a-class-in-ruby. But I want to know, is there a standar... unc88 (5)

Array.index with utf-8 4 51 (5/21/2011 7:44:54 PM) comp.lang.ruby Hi. I have a problem. Windows7 I have an array with russian symbols. Then I want to find something element in it by Array.index(elem). In NetBeans 6.9.1 (it settings with utf-8) it works(write index in FixNu... b1368810 (5)

String Element Reference 4 43 (5/25/2011 5:23:38 PM) comp.lang.ruby I am new to Ruby so I apologize if this seems dumb. I am currently running ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0]. When working in an irb session I'm having trouble with String element ... solomon.jas (12)

Method that mutates object 22 41 (5/25/2011 7:22:46 PM) comp.lang.ruby Say we want to write a String method called clear that takes a given string and modifies that string to be equal to "". Ex. str = "string" we call str.clear and we get back "", not just "" printed to the scr... solomon.jas (12)

Need help bringing select array lines together 11 27 (5/26/2011 4:26:17 PM) comp.lang.ruby Hi there, I am looking at some old, confusing ruby code that works but is really ugly. I'm hoping someone here can help me find a more ruby way of rewriting it. Rather than post the ugly code, I'll describe wha... tester.paul (45)

Read symbols from external file 2 40 (5/27/2011 12:24:22 PM) comp.lang.ruby =begin Hello, I parse an array of symbols to output some program code. In reality I map ALT, CTRL and SHIFT declarations to VK_KEYS in Java. But the principle is the same. It is not a hash, a :symbol_* can app... mbmulder (2)

What is the meaning of #<Net::HTTPFound:0x29b78f8> 3 25 (5/27/2011 12:36:56 PM) comp.lang.ruby Dear All: I am trying to deal with the http response. I am using following code to do so. require 'net/http' require 'uri' def fetch(uri_str, limit = 10) # You should choose better exceptio... amit.srpce (3)

How to retrieve the HTTP response contents like header, posts, HTML, etc.? 1 48 (5/27/2011 12:49:05 PM) comp.lang.ruby Dear All: I am trying to deal with the HTTP response. I want to retrieve the contents such as header, post, response, HTML, JSON, etc. of the HTTP response. (Please refer screen shot for the same.) Please tel... amit.srpce (3)

Hash .each and different action for each key 7 53 (5/27/2011 7:44:20 PM) comp.lang.ruby Hello - I have a hash table of several items. What I would like to do is loop through the hash and do a different action based on each unique key. my_hash_table.each_pair do |k, v| # Call a method if a hash... storm8000 (6)

Variable scopes with code blocks. 1 25 (5/27/2011 8:55:16 PM) comp.lang.ruby Hello! Novice here. I'm reading Beginning Ruby and Beginning Rails by Apres and building both applications they walk you through. Additionally, I'm taking courses at lynda dot com and attempting to build a sim... aaronsallright (1)