dolgun's articles:

Items(17) /2 Next >> Last >|

where's rake? 5 30 (10/7/2007 8:45:40 PM) comp.lang.ruby I installed rubygems, and I got help output when I issued the command: $ gem help so I think ruby gems installed correctly. But when I tried to install the Rake gem, this was the output: $ gem install -r ra... 7stud

unit testing: example p. 156 pickaxe2 2 36 (9/29/2007 1:02:17 PM) comp.lang.ruby How do you make this example fail: require "test/unit" class TestsWhichFail < Test::Unit::TestCase def test_reading assert_not_nil(ARGF.read, "Read next line of input") end end I tried specifying an... 7stud

thread switching? (p. 144 pickaxe2) 1 23 (9/20/2007 4:19:30 AM) comp.lang.ruby Hi, On p. 144 in pickaxe2, there are two examples using threads(see below). Each thread updates a counter, and the function call that updates the counter is synchronized to prevent simultaneous axis to the cou... 7stud

retrieving yahoo! mail ? 1 40 (9/17/2007 11:30:17 PM) comp.lang.ruby Hi, As an exercise, I'm trying to use Net::HTTP to retrieve my yahoo mail. I looked at the source html for the yahoo mail login page at: https://login.yahoo.com/config/mail?.intl=us On that page is a form wi... 7stud

posting form data in ruby 1.8.2? 2 27 (9/16/2007 10:40:52 AM) comp.lang.ruby Hi, I'm trying to figure out how to post form data to a url, but the methods used in the examples in the Net::HTTP docs use methods that aren't available in my ruby install: Posting Form Data: require '... 7stud

rand() v. rand(0.1) ? 5 22 (9/15/2007 10:37:58 AM) comp.lang.ruby Is there any difference between calling rand() and rand(0.1)? -- Posted via http://www.ruby-forum.com/. ... 7stud

screen scraping programaticprogrammer.com ? 3 41 (9/13/2007 12:39:52 PM) comp.lang.ruby The following is from "Programming Ruby 2nd" p.133: ---- require "net/http" h = Net::HTTP.new("www.programaticprogrammer.com", 80) response = h.get("/index.html") if response.message == "OK" puts response... 7stud

what is this syntax: \001\002 ? 13 38 (9/12/2007 11:10:51 AM) comp.lang.ruby Hi, On p. 131-132 in "Programming Ruby 2d.", it talks about writing binary data to files, but there's no explanation of the syntax: str1 = "\001\002\003" I looked in the index of the book, I poured over "The... 7stud

module_function :func vs. MyModule.func? 13 26 (9/9/2007 5:54:54 AM) comp.lang.ruby The following produce the same output: module MyModule def greet puts "hello" end module_function :greet end MyModule.greet #-----vs.----------- module MyModule def MyModule.greet ... 7stud

Hash.new with a block? 5 18 (9/3/2007 4:50:13 AM) comp.lang.ruby Hi, In the code: h = Hash.new {|hash, key| hash[key] = []} what method is yielding the values hash, key to the code block? It doesn't seem like it could be new() since new() isn't called when you lookup a k... 7stud

dolgun's replies:

Items(81) /9 Next >> Last >|

Multitasking and collecting results 3 19 (10/7/2007 5:57:44 AM) comp.lang.ruby (new to ruby) I have a routine that makes a web call then does some work. I need to do many of these, and because of latency and all that, I want to go ahead and spawn several of these in async "tasks" (trying... lists5799 (97)

newbie... be gentle 2 26 (10/7/2007 3:56:57 PM) comp.lang.ruby I am trying to access the US Postal Service web tool for tracking. I am new to Ruby and web programming in general so if this is a really stupid question I apologize in advance. According to their site the if ... beatrice_martin2001 (1)

where's rake? 5 30 (10/7/2007 8:45:40 PM) comp.lang.ruby I installed rubygems, and I got help output when I issued the command: $ gem help so I think ruby gems installed correctly. But when I tried to install the Rake gem, this was the output: $ gem install -r ra... dolgun (237)

list links in a DIV using watir module 2 27 (10/8/2007 8:13:23 AM) comp.lang.ruby Using the watir module, is there a way to show all the hyperlinks in a DIV? Can you please provide some code snippets? ... seannakasone (87)

memory leakage #2 2 40 (10/8/2007 9:24:39 AM) comp.lang.ruby Hi, Is there a problem of memory leakage in Rails application? How can i get the information about if it is happening in my application? Can i control it? Thanks, Pragati ... pragati.agarwal (2)

optparse and required switches 5 16 (10/8/2007 2:17:47 PM) comp.lang.ruby Hi ... Im lost with optparse. Got a couple of questions if its OK. 1. I've been reading the documentation but I cant get it into my thick head how I tell an option that it is required or optional? I guess al... g00nz (3)

parts of speech in Ruby 12 31 (10/8/2007 9:44:18 PM) comp.lang.ruby I'm curious -- exactly what class of syntactic element is `=` in Ruby, where "class of syntactic element" is roughly analogous to "part of speech". If objects are nouns and methods are verbs, that means `=` is... perrin (1253)

thread problem..... 4 27 (10/9/2007 3:04:30 AM) comp.lang.ruby i want to make a program code ,but it ll take long time to execute so i am spiliting my program into thread .... but the general concept about thread is ,it will reduce the execution time of our program under ... bad_good_lion (72)

what does print call internally? 13 26 (10/10/2007 10:31:18 PM) comp.lang.ruby irb(main):001:0> puts nil nil => nil irb(main):002:0> print nil nil=> nil irb(main):003:0> class NilClass irb(main):004:1> def inspect irb(main):005:2> "foo" irb(main):006:2> end irb(main):007:1> end => foo irb... martindemello (818)

|how do you know when to put a variable between pipes?| 3 27 (10/11/2007 1:26:46 AM) comp.lang.ruby Hi i am at about page fifty in the pickaxe book, and i have a question. I see a lot of examples of a block that starts with | SomeVar| and I dont really understand how you know when you can do this or what the... wetlife (2)