Ruby

Use of STDOUT.flush after puts
I've seen several examples on this forum where folks have used STDOUT.flush after printing a query to a terminal. For example: puts "Delete indicated item [yes, no]" STDOUT.flush response = gets.chomp What is the purpose of the 'STDOUT.flush', and is it always necessary to use it? What are the possible prob... 30 Apr 2010 12:49

cannot freeze my gems
i cannot freeze my rails. i am running rails E:\TradingTools\torontotrader>rails --version Rails 1.2.5 E:\TradingTools\torontotrader>gem --version 1.3.6 E:\TradingTools\torontotrader>ruby --version ruby 1.8.6 (2008-08-11 patchlevel 287) [i386-mswin32] E:\TradingTools\torontotrader>rake rails:freeze:g... 28 Apr 2010 11:42

navigate through folders
Hello everyone, ok... I have file (file.txt) which is written by a script. In this given file there's a path (c:/path/path1/path2) and I have the following code in another script: File.open('file.txt').each_line do |p| Dir::chdir("#{p}") { bunch of code } What I want to do after this is to go up ... 29 Apr 2010 13:31

Mutex
Hi all, I've been reading the RailsDispatch blog, and have been looking at this code. class BlacklistConstraint def initialize @ips = Blacklist.retrieve_ips @mutex = Mutex.new @last_update = Time.now end def matches?(request) @mutex.synchronize do if (Time.now - @last_update) ... 28 Apr 2010 10:34

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Adding days to date
Hello, Does anyone know what the problem with the following code ??? Date.today.to_s => "2010-04-28" (Date.today + 1.day).to_s => "2246-11-17" (Date.today + 2.days).to_s => "2483-06-07" Thanks in advance -- Posted via http://www.ruby-forum.com/. ... 28 Apr 2010 06:08

uninitialized constant ActiveRecord (NameError)
Hi All, I am running a script from console line with command as ruby script/abc.rb. But i am getting error "uninitialized constant ActiveRecord (NameError)". Why so .. ? My first line of the script is class- CronJobs < ActiveRecord::Base ... ... end -- Posted via http://www.ruby-forum.com/. ... 28 Apr 2010 06:08

Date.parse(nil) raises TypeError
Hello, in Ruby 1.9 (ruby 1.9.1p378 (2010-01-10 revision 26273) [i386- mingw32]) the following code require 'date' Date.parse(nil) raises TypeError: can't dup NilClass. I think it should be "ArgumentError: invalid date", same as what Date.parse reports for strings with invalid date formats. Should I file... 28 Apr 2010 03:56

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[ANN] json 1.4.2 - Fixes a memory leak in versions 1.4.0 and 1.41,please upgrade
There was a memory leak in the two previous versions that is triggered by calling the JSON#generate method and friends. If you use the affected versions, please upgrade to the newest version, 1.4.2. The new version can be downloaded from these URLs: http://rubygems.org/gems/json/versions/1.4.2 http://github.co... 27 Apr 2010 20:11