ANSI 1.4.0 has been released. The ANSI project is a collection of ANSI escape code related libraries enabling ANSI code based colorization and stylization of output. It is very nice for beautifying shell output. hom…
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## [How to get Mycompute.sum(\[1,2,3,4\]).mean=2.5?](https://www.ruby-forum.com/t/how-to-get-mycompute-sum-1-2-3-4-mean-2-5/195223)
class Mycompute def self.sum(a) a.inject(0){|s,i|s+i} end def self.mean(a) a.inject(0){|s,i|s+i}/(a.size.to\_f) end end Mycompute.sum(\[1,2,3,4\]) =\> 10 Mycompute.mean(\[1,2,3,4\]) =\> 2.5 how can i get Mycom…
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## [Upload file with url parameter](https://www.ruby-forum.com/t/upload-file-with-url-parameter/167668)
I want to upload file using get method. for example, “http://www.mydomain.com/upload?file=c:\\test.exe” upload my local file to the remote server. I found one useful link about file uploading here(http:// Ruby on Rail…
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## [Best way to modify spec (the command-line tool)?](https://www.ruby-forum.com/t/best-way-to-modify-spec-the-command-line-tool/125019)
Hi all, where I work we’ve cooked up a kind of ghetto profiler for our specs. It basically just does this: time = Time.now run the spec puts “woah! dude. long spec.” if time \> 1.second I’m simplifying here. I think …
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## [\[newbie\] Passare un array fra 2 controller](https://www.ruby-forum.com/t/newbie-passare-un-array-fra-2-controller/119024)
Ho qualche difficoltà nel capire come passare da un controller ad un altro un array di elementi, ad esempoio degli ID. Ho una situazione di questo tipo: controllerA def method1 idList = \[‘1’,‘2’,‘3’\] redirect\_to …
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## [Segmentation Fault](https://www.ruby-forum.com/t/segmentation-fault/193732)
Once more, with feeling. I’m trying to implement using xrc\_replace so as to use a RichTextCtrl in a form created by FormBuilder. The problem is that I can’t even create a RichTextCtrl. When I try to, I get a segmentat…
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## [Nginx 0.7.64 ignoring Cache-Control headers](https://www.ruby-forum.com/t/nginx-0-7-64-ignoring-cache-control-headers/183050)
Hey guys, I apologise if this is covered in another topic, I have searched many pages on the forum and not come across this issue. I’m using nginx v. 0.7.64 with the following: --with-debug –with-http\_stub\_status\_modu…
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## [Linux and file permissions - newb linux user](https://www.ruby-forum.com/t/linux-and-file-permissions-newb-linux-user/167952)
Hi Ive been googling around but cant get anything concrete on this. Whenever I create a rails project or use a generate command I have to use use the sudo command otherwise ubuntu complains about permissions. However …
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## [How to use Gdk::Property.change?](https://www.ruby-forum.com/t/how-to-use-gdk-property-change/162454)
Hi, I want to do something like Gdk::Property.change(self, Gdk::Atom.intern('\_NET\_WM\_STRUT', false), Gdk::Atom.intern('CARDINAL', false), Gdk::Property::MODE\_REPLACE, \[0, 162, 0, 1024\]). It failed with “no supported ty…
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## [Problem with generic method resolution](https://www.ruby-forum.com/t/problem-with-generic-method-resolution/162440)
Hi, I have found out the following problem: require ‘System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089’ =\> true include System =\> Object include System::Linq::Expressions E…
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## [URI::InvalidURIError when using curly brackets](https://www.ruby-forum.com/t/uri-invalidurierror-when-using-curly-brackets/96283)
I’ve been experimenting using open-uri to retrieve HTML from various sites and have spent the past couple of days searching for an answer to my problem. One page I’ve been trying to access contains a GUID in the query…
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## [Bluetooth on OSX](https://www.ruby-forum.com/t/bluetooth-on-osx/49046)
I’m looking to automate transferring pics from a cellphone via bluetooth on OS X. Any suggestions on where to start with this project? Ruby is the natural language for this, not just because I love it so dearly, but …
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## [Loading csv giving error](https://www.ruby-forum.com/t/loading-csv-giving-error/235634)
hi guys I am trying to compare some data so I create one file name called “Price\_lookup” in notepad then saved in plugin folder “Price\_lookup.csv”. Price\_lookup.csv contain like below “PARTNO”, “PRICE” 600157,402.20 …
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## [Is nginx vulnerable to the Hash Table Vulnerability (n.runs AG)?](https://www.ruby-forum.com/t/is-nginx-vulnerable-to-the-hash-table-vulnerability-n-runs-ag/215347)
Without going through the way nginx parses an incoming request, I’m unsure if nginx isn’t vulnerable to this, because of the availability to grab the value of a GET parameter via http://wiki.nginx.org/HttpCoreModu…
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## [Is this deterministic or not?](https://www.ruby-forum.com/t/is-this-deterministic-or-not/139201)
puts “Enter a sentence: " puts gets.split.sort\_by { rand }.join(” ") takes a sentence and scrambles the words. how is this implemented? i tried myself first with a for or while loop and tried if word is not in new\_se…
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## [Radiant web site down?](https://www.ruby-forum.com/t/radiant-web-site-down/109377)
When I try to get to the Radiant web site (www.radiantcms.org) I get a request with a content type: application/x-httpd-fastphp and it asks if I want to download the binary. A little tweaking going on? erb
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## [\[ANN\] CAS Authentication filter](https://www.ruby-forum.com/t/ann-cas-authentication-filter/98393)
Hi CAS is a centralized authentication service, and the cas\_auth filter can be installed to automatically make your web application authenticate against a CAS server. The SVN path to the plugin is http://svn.ki.se/ra…
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## [Working with file types and directories](https://www.ruby-forum.com/t/working-with-file-types-and-directories/98180)
This line shows all the files in the current dir. This one -should- show all of thier filetypes… Dir.foreach(".") {|x| File.ftype x } =\> nil what gives? irb(main):023:0\> Dir.foreach(".") {|x| File.ftype(x) } =\> nil …
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## [Best practise for setting default URL parameters in the controller](https://www.ruby-forum.com/t/best-practise-for-setting-default-url-parameters-in-the-controller/238876)
I’ve been trying to set default URL parameters in the controller, which will also be used within the view. This is what I’ve got: @params = params defaults = { :date\_from =\> ‘21/1/21014’, :date\_to =\> ‘21/2/21014’, :d…
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## [How to uninstall particular ruby version](https://www.ruby-forum.com/t/how-to-uninstall-particular-ruby-version/229245)
Hello guys, I am using Ubuntu 11 and i have two versions of ruby 1.8.7 & 1.9.1 and i want to uninstall ruby 1.9.1 version.I need Your help thank you!
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## [Unable to use gems in simple scripts](https://www.ruby-forum.com/t/unable-to-use-gems-in-simple-scripts/221338)
Hello, i’m just getting started with ruby and have hit a wall attempting to use some simple gems. Source: #! /usr/bin/ruby require ‘flt’ puts DecNum(22.1138) thats it! right now it spits out this error: ruby -T t…
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## [3.1 development and the asset pipeline](https://www.ruby-forum.com/t/3-1-development-and-the-asset-pipeline/211290)
With the release of 3.1, it seems that things have drastically changed in the development workflow. With the asset pipeline enabled, and the likes of this in my layouts: = stylesheet\_link\_tag ‘application’, :debug =\> …
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## [Pas de redirection (rjs)](https://www.ruby-forum.com/t/pas-de-redirection-rjs/171249)
Hi, I am new to radiant and try to install it and learn something from it. So I followed the introductions from wiki and blog: http://dev.radiantcms.org/radiant/wiki/Installation http://radiantcms.org/blog/ Both 0.6…
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## [Slowness of WIN32OLE.rb in 1.8.2 - faster in 1.8.4?](https://www.ruby-forum.com/t/slowness-of-win32ole-rb-in-1-8-2-faster-in-1-8-4/53072)
Hi, I’ve extensively used WIN32OLE.rb to program against excel data and Access databases via ADO. Even after generating the wrappers using the generator tool COM object calls are excrutiatingly slow (indeed I noticed…
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## [Making an RDoc Template Gem](https://www.ruby-forum.com/t/making-an-rdoc-template-gem/176482)
I want to create a new RDoc template and I want to ship it as a gem. But I cannot figure out how to set it up so RDoc will find it. For that matter I’m not exactly sure what kind of file it’s wants either. Is there an…
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## [\[Annonce\] Offre de stage Ruby/Rails](https://www.ruby-forum.com/t/annonce-offre-de-stage-ruby-rails/173128)
Bonjour, Pour aller directement au but : nous cherchons un stagiaire pour du développement ruby (ruby on rails principalement) entre septembre 2009 et juillet / août 2010. Sociabliz est une jeune société de marketing…
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## [Issues with Location: header in perl module](https://www.ruby-forum.com/t/issues-with-location-header-in-perl-module/167722)
trying to use nginx’s built-in perl stuff… here’s an example. any clue why this doesn’t work? in /etc/nginx/nginx.conf: http { perl\_modules /etc/nginx/perl/lib; perl\_require Foo.pm; server { listen 80; server\_n…
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## [How to do the equivalent of PHP's "$\_GET" in Ruby?](https://www.ruby-forum.com/t/how-to-do-the-equivalent-of-phps-get-in-ruby/137596)
Hello, all … I’m new to Ruby, but so far, I like it quite a lot. I’ve a question, though … I need to do the Ruby equivalent of PHPs “$\_GET” … how do I do this? Regards, John Falling You - exploring the beauty of v…
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## [Best way to create table-like lists?](https://www.ruby-forum.com/t/best-way-to-create-table-like-lists/107577)
Hi, I tried different approaches to create table-like lists. What I need a head (1-3 rows), non-scrollable a scrollable body head and body cells must align My first draft was: VBox -\> Table (for head), childs are l…
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## [Removing a block of text within a string](https://www.ruby-forum.com/t/removing-a-block-of-text-within-a-string/78605)
When you first visit my site, you see a snippet (the first 75 words) of the most recent post. If it exceeds 75 words, a link will be appended to extend the post and read it in full. Now, my problem is when I post a c…
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## [Alias\_method on a model](https://www.ruby-forum.com/t/alias-method-on-a-model/72908)
Is there a way to alias an automaically created model attribute? I have a column named start\_time, and when I use alias\_method :default\_start\_time, :start\_time In the model’s class definition, I get an “undefined me…
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## [Win32OLE output parameter access?](https://www.ruby-forum.com/t/win32ole-output-parameter-access/89717)
I am trying to use Ruby’s WIN32OLE support to drive Mindjet’s Mindmanager. Their Object Model reference shows the following method: \*\*\* GetOffset Method \*\*\* Returns the topic’s position-offset relative to its parent. …
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## [RSpec Requestable Examples](https://www.ruby-forum.com/t/rspec-requestable-examples/216182)
I would be interested to hear any thoughts from the community about the ability to request specific examples from a shared example group as expressed in the rspec-requestable-examples gem. Here’s the post that introdu…
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## [C module calling ruby code cause cfp consistency error](https://www.ruby-forum.com/t/c-module-calling-ruby-code-cause-cfp-consistency-error/214542)
Hi everyone, I need some help with joining C code with Ruby. My target is to use some system libraries to get active window title and write rest in ruby. I’ve written some module in C that uses wnck(on linux) to get …
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## [Gdk::Color to HTML Format Hex](https://www.ruby-forum.com/t/gdk-color-to-html-format-hex/173595)
I’m trying to convert the hex code that Gdk::Color.to\_s() returns into HTML Format Hex. I think what needs to be done is some math on the string, but I’m fairly new to ruby and not sure how to do this. For instance,…
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## [Chmod -R u+X in ruby](https://www.ruby-forum.com/t/chmod-r-u-x-in-ruby/144190)
I want to do a recursive changemod. But the chmod in File and FileUtils allows only, at least as far as I have seen, to set absolute file permission. But I want not to make all Files executable and also do not want th…
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## [Expires header for .css](https://www.ruby-forum.com/t/expires-header-for-css/136864)
I’m using mongrel as my http server. I was using yslow to evaluate the performance of my web site and noticed I was downloading the .css file on every request??? I use one .css file for the whole site and I though I …
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## [Using HTML frames with rails](https://www.ruby-forum.com/t/using-html-frames-with-rails/94358)
Hi: I’m trying to get a page setup with the left side having a collapsable javascript menu (built from the database) and the right side having more data about each node in the tree… very standard actually. I figured …
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## [Alias regex use causing core dump as of nginx 1.7.1](https://www.ruby-forum.com/t/alias-regex-use-causing-core-dump-as-of-nginx-1-7-1/242786)
Hi, after upgrading from the v1.6.3 to v1.8.0 stable branch an alias I used for Roundcubemail no longer works. I traced the issue back to a probable change made in nginx v1.7.1: “Bugfix: the “alias” directive used in…
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## [Getting dates from weeknumber](https://www.ruby-forum.com/t/getting-dates-from-weeknumber/90218)
If I have a weeknumber and a year, is there an easy way to get the dates that fall in this weeknumber or the first day of that week (the other I can calculate). regards
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## [Windows Advanced Permissions on Folders](https://www.ruby-forum.com/t/windows-advanced-permissions-on-folders/55552)
In a MS-Windows environment I know how to recurse all the folders using a Dir.glob statement that starts a certain level of the directory tree. I am struggling with a way in Ruby to set the advanced permissions for ce…
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## [Button\_to with image](https://www.ruby-forum.com/t/button-to-with-image/222082)
I’m calling button\_to in my page, and it renders a form with a submit button just fine. But what I’d really like is \ instead of \
**Author:** [@hadley\_wickham](https://www.ruby-forum.com/u/hadley_wickham)\
**Replies:** 1\
**Last updated:** [November 24, 2007, 7:56pm UTC](https://www.ruby-forum.com/t/openuri-404-not-found-reading-http-gems-rubyforge-org/121161 "2007-11-24T19:56:26Z")
Hi all, I just upgraded to gems 0.9.5, and now I’m getting: mathpeople: sudo gem install rails ERROR: While executing gem … (Gem::RemoteFetcher::FetchError) OpenURI::HTTPError: 404 Not Found reading http://gems.rub…
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## [Magick::ImageMagickError (Postscript delegate failed):](https://www.ruby-forum.com/t/magick-imagemagickerror-postscript-delegate-failed/75763)
I there, trying to install rForum for a few hours now. keep getting this error. I have rmagick installed and have tried on edge and also the tar from the rforum site. Any one know where this is comming from ? Thank…
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## [Limit\_req\_zone](https://www.ruby-forum.com/t/limit-req-zone/244606)
Greetings fellow nginx users, Is the limit\_req\_zone module included in the core version ? I’t doesn’t show up when I list the modules via nginx -V although when I add the directive into my nginx configuration it ap…
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## [Will\_Paginate Doesnt Show First Page](https://www.ruby-forum.com/t/will-paginate-doesnt-show-first-page/227779)
Hello everyone, I am having an issue with the will\_paginate gem, i have recently added AJAX and JS to refresh the div with paginate without refreshing the page. I followed online examples and successfully got it worki…
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## [Habtm](https://www.ruby-forum.com/t/habtm/195867)
Hi all, Using Ruby (and REXML) to parse a directory full of HTML files mixed with Spanish but mostly English. For the most part, Ruby can correctly parse the HTML. That’s all fine and dandy, BUT, when there’s a unic…
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