dblack6674's articles:

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[ANN] Proposals now being accepted for RubyConf 2007 presentations 1 76 (7/26/2007 8:46:21 PM) comp.lang.ruby Hi everyone -- Presentation proposals for RubyConf 2007 are now being accepted. The form is at: http://proposals.rubycentral.org. You need to sign up for a password, even if you had one last year. (It just ... dblack

[RE-ANN/ADV] Rails Routing 'short cut' (Addison-Wesley) 0 41 (6/20/2007 11:14:26 AM) comp.lang.ruby Hi -- The link I gave in my announcement of my Rails Routing 'short cut' from Addison-Wesley was to the Safari subscription page. If you want to buy it as a PDF, you can do so at: http://www.awprofessional.... dblack

[ANN] RubyConf 2007 14 44 (5/1/2007 12:25:22 PM) comp.lang.ruby Hi everyone -- On behalf of Ruby Central, Inc., I'm very happy to announce the seventh International Ruby Conference: RubyConf 2007 November 2-4, 2007 Omni Charlot... David

[ANN] Extended deadline for RailsConf Europe proposals! 2 44 (4/1/2007 4:22:40 PM) comp.lang.ruby Hello all -- The deadline for proposing talks for RailsConf Europe has been extended to APRIL 19. There was some confusion about what the deadline was originally... but this is an extension of at least a week... David

[ADV] Ruby on Rails course by Ruby Power and Light 0 41 (3/27/2007 2:20:49 PM) comp.lang.ruby Hi everyone -- I'm happy to announce that Ruby Power and Light, LLC is offering a four-day course: Ruby on Rails: Intro to Intermediate May 8-11, 2007 Edison, New Jersey, USA The course wil... David

[ADV] Rails Training in Alexandria, VA, by Accelebrate 0 43 (1/4/2007 4:48:35 PM) comp.lang.ruby Hi -- Accelebrate[1] is presenting a four-day Ruby for Rails training course, February 6-9, 2007, in Alexandria, Virginia. I will be the instructor. The course covers beginning through intermediate Ruby and ... dblack

Old RCRs now available for reading 2 50 (11/25/2006 12:51:30 PM) comp.lang.ruby Hi -- I've made the old RCRs available for browsing at: http://oldrcrs.rubypal.com. David -- David A. Black | dblack@wobblini.net Author of "Ruby for Rails" [1] | Ruby/Rails training &... dblack

[ANN] New RCRchive, including new process 21 47 (11/22/2006 12:13:53 PM) comp.lang.ruby Hi everyone -- The new RCRchive has gone live, at http://www.rcrchive.net. Please note the following important points: * We're starting again, and it's for Ruby 1.9/2.0 requests only. * Yes, I know it'... dblack

[ADV] Ruby on Rails Introductory Workshop, Toronto, December 15 0 45 (11/18/2006 5:23:55 PM) comp.lang.ruby What? Ruby on Rails Introduction - Toronto: It's a one-day introduction to techniques and resources by David A. Black. Who? David A. Black is a well-known and highly-regarded[1] Ruby and Rails programmer, ... dblack

Cool API reference thingy 3 51 (11/3/2006 1:33:02 AM) comp.lang.ruby Hi -- Have a look at http://gotapi.com. It's very cool. David -- David A. Black | dblack@wobblini.net Author of "Ruby for Rails" [1] | Ruby/Rails training & consultancy [3] DABlog (DA... dblack

dblack6674's replies:

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wierd floating point output 13 40 (9/3/2007 5:44:42 PM) comp.lang.ruby Folks, While we had a discussion around the magic number 0.06, I tried to output arbitrary floating point numbers and was puzzled about the imprecision of my ruby executable (or a library it uses for this task... matthias8993 (38)

array of hashes: finding hash with min value for key 3 43 (9/3/2007 8:27:15 PM) comp.lang.ruby I'm trying to write a proggy to help me figure out how long it will take to pay off a credit card based on a payment value. The card can have multiple sections with different owed amounts and aprs. Since the cr... patrick3534 (3)

Programming Ruby For Newbies 24 39 (9/4/2007 1:18:56 AM) comp.lang.ruby Howdy there, I have always been interested in programming. I looked for books, but it treated me like a pro. Please let me state now: I have not done any programming before. I looked around, and Ruby seems mos... jin.the.miner (2)

[ANN] RubyConf 2007 registration is now open 5 61 (9/6/2007 5:39:14 PM) comp.lang.ruby Hi -- Registration is now open for RubyConf 2007, at: http://www.regonline.com/rubyconf2007 Enjoy! David Black for Ruby Central, Inc. and RubyConf 2007 -- * Books: RAILS ROUTING (new! http://www.awpro... dblack (1323)

Is this a bug or a feature? 11 47 (9/6/2007 7:00:28 PM) comp.lang.ruby irb(main):002:0> i=1 => 1 irb(main):003:0> until (i+=1)>5 irb(main):004:1> p i irb(main):005:1> end 2 3 4 5 => nil irb(main):006:0> RUBY_VERSION => "1.8.3" The condition is evaluated before the first iteration... martialis (8)

Bug in lambda? 33 37 (9/9/2007 3:13:25 AM) comp.lang.ruby This looks like a pretty serious bug. It seems that lambda- expressions are not properly localizing their formal arguments: bash-3.2$ ruby --version ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-mswin32] bash-3... kevin.cline (181)

Newbie help #2 17 44 (9/16/2007 12:16:03 AM) comp.lang.ruby Hey, I've started with Ruby two days ago, and I have some questions. 1- What's the use of Symbols? I've read that symbols are (Symbols are lightweight strings. Usually, symbols are used in situations where you... ali.koubeissi (1)

NoMethodError: undefined method `scanf' for main:Object 4 51 (9/16/2007 8:21:44 AM) comp.lang.ruby Hi, I'm trying to use scanf(), but no luck: $ ruby --version ruby 1.8.6 (2007-06-07 patchlevel 36) [i486-linux] $ uname -a Linux zrbite 2.6.21-2-686 #1 SMP Wed Jul 11 03:53:02 UTC 2007 i686 GNU/ Linux $ irb i... alex.shulgin (58)

code quiz #1 4 46 (9/16/2007 11:45:38 AM) comp.lang.ruby a = Array(11..20) class Foo attr_reader :a a = 123 def initialize(i) @a = Array(1..10) end def change() puts puts "Inside of change!!!!!!!!!!!!!!!!" a[2] = 111111 # int... kenneth.kin.lum (9)

Conflicts between using respond_to? and extending Ruby 24 37 (10/22/2007 11:10:10 AM) comp.lang.ruby Hi-- I recently cam across an interesting conflict between open-uri.rb and Facets rendition of kernel/metaid.rb. Facets defines a general extension Kernel#meta, and open-uri defines OpenURI::Meta#meta. open- u... transfire (2969)