# Top **URL:** https://www.ruby-forum.com/top.md?page=854 [Latest](https://www.ruby-forum.com/latest.md) · [Categories](https://www.ruby-forum.com/categories.md) · [Tags](https://www.ruby-forum.com/tags.md) **Page:** 855 --- ## [About popup window](https://www.ruby-forum.com/t/about-popup-window/137128)
**Author:** [@daociyiyou](https://www.ruby-forum.com/u/daociyiyou)\ **Replies:** 4\ **Last updated:** [May 9, 2008, 6:53pm UTC](https://www.ruby-forum.com/t/about-popup-window/137128 "2008-05-09T18:53:16Z")
hello: I want something behavioring like ajax:when click a link,invoke a method in some class,then the response content will be displayed in a mini popup window below the link,what’s more,user can close this mini win… --- ## [Win32 service question](https://www.ruby-forum.com/t/win32-service-question/120766)
**Author:** [@Csaba\_O](https://www.ruby-forum.com/u/Csaba_O)\ **Replies:** 4\ **Last updated:** [November 21, 2007, 8:50am UTC](https://www.ruby-forum.com/t/win32-service-question/120766 "2007-11-21T08:50:41Z")
Hi All, First, I’m new to the list, so I’d like to say hello to all fellow mongrelists :slight\_smile: Second, I’d like to ask you if there’s any way to make a simple mongrel script run multithreaded? No rails, just … --- ## [How to update a list of Models 'automatically' in 1 action](https://www.ruby-forum.com/t/how-to-update-a-list-of-models-automatically-in-1-action/110899)
**Author:** [@jeannibee](https://www.ruby-forum.com/u/jeannibee)\ **Replies:** 4\ **Last updated:** [August 2, 2007, 4:04am UTC](https://www.ruby-forum.com/t/how-to-update-a-list-of-models-automatically-in-1-action/110899 "2007-08-02T04:04:52Z")
If I have a User table and a form that displays all my users with a Rank. I want to be able to rank my users and then hit ‘update’ and all users will be parsed by my action into User model obects and then persisted wi… --- ## [How to define a multi line comment](https://www.ruby-forum.com/t/how-to-define-a-multi-line-comment/85538)
**Author:** [@Kushan\_J](https://www.ruby-forum.com/u/Kushan_J)\ **Replies:** 4\ **Last updated:** [February 26, 2007, 10:13am UTC](https://www.ruby-forum.com/t/how-to-define-a-multi-line-comment/85538 "2007-02-26T10:13:15Z")
Hi All Is there who knows to define multi line comment? ( in Java we can define by /\* and \*/ ) Best Regards Kushan J. --- ## [Review of Rails web hosting services](https://www.ruby-forum.com/t/review-of-rails-web-hosting-services/85003)
**Author:** [@Hendy\_I](https://www.ruby-forum.com/u/Hendy_I)\ **Replies:** 4\ **Last updated:** [February 9, 2007, 6:07am UTC](https://www.ruby-forum.com/t/review-of-rails-web-hosting-services/85003 "2007-02-09T06:07:53Z")
Hi guys, If you’re in need of or considering a web hosting service for Rails, check this out: http://web2withrubyonrails.gauldong.net/rails-hosting/ Should you want to add your own experience and/or favorites, feel f… --- ## [Ruby on rails sobre Apache](https://www.ruby-forum.com/t/ruby-on-rails-sobre-apache/83965)
**Author:** [@mreitz](https://www.ruby-forum.com/u/mreitz)\ **Replies:** 4\ **Last updated:** [February 1, 2007, 1:26pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-sobre-apache/83965 "2007-02-01T13:26:15Z")
Hola a todos. Alguien tiene info de como configurar Apache 2 para poder correr una app ruby? Gracias de antemano. Saludos desde Argentina. Maxi --- ## [Ruby on rails ecommerce tests are failing, but why?](https://www.ruby-forum.com/t/ruby-on-rails-ecommerce-tests-are-failing-but-why/78262)
**Author:** [@jjkiesch](https://www.ruby-forum.com/u/jjkiesch)\ **Replies:** 4\ **Last updated:** [December 4, 2006, 5:31pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-ecommerce-tests-are-failing-but-why/78262 "2006-12-04T17:31:44Z")
i am working through the Beginning Ruby on Rails Ecommerce book and on page 101 where it is talking about integration tests, i run test/integration/book\_test.rb and it fails giving me the following error message: Fa… --- ## [Ruby and TAPI](https://www.ruby-forum.com/t/ruby-and-tapi/77761)
**Author:** [@ther](https://www.ruby-forum.com/u/ther)\ **Replies:** 4\ **Last updated:** [December 1, 2006, 3:46pm UTC](https://www.ruby-forum.com/t/ruby-and-tapi/77761 "2006-12-01T15:46:11Z")
Has anybody been succesfull combining Windows Telephone API (TAPI) with ruby. What I need is start a ruby program on call and receive a caller number. I need to know if this has been done with ruby so I can further de… --- ## [Need Sujjestions On Opensource Reporting Tool To Use In A ROR Project](https://www.ruby-forum.com/t/need-sujjestions-on-opensource-reporting-tool-to-use-in-a-ror-project/224812)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [November 27, 2012, 11:54am UTC](https://www.ruby-forum.com/t/need-sujjestions-on-opensource-reporting-tool-to-use-in-a-ror-project/224812 "2012-11-27T11:54:13Z")
Hi All, I have developed an application using ROR and MySql as the database and now i need an open source reporting tool to generate reports from my database. Any suggestions would be highly appreciated. Thank you. --- ## [Calling Ruby from C (reverse SWIG)](https://www.ruby-forum.com/t/calling-ruby-from-c-reverse-swig/224466)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [November 19, 2012, 8:03am UTC](https://www.ruby-forum.com/t/calling-ruby-from-c-reverse-swig/224466 "2012-11-19T08:03:31Z")
My C program calls a third-party Windows DLL to provide access to some specialised hardware. I don’t have source code for this DLL. We’re losing access to the hardware soon but we want to be able to test our software … --- ## [How to keep "hot" files in memory?](https://www.ruby-forum.com/t/how-to-keep-hot-files-in-memory/222466)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 6\ **Last updated:** [August 31, 2012, 8:20pm UTC](https://www.ruby-forum.com/t/how-to-keep-hot-files-in-memory/222466 "2012-08-31T20:20:00Z")
Dear all. We use nginx to server lots of static content with high traffic loads. And the server is getting slower, because slower SATA drive. So I think how to keep “hot” files in memory without other software,just … --- ## [How to run a program (Newbie)](https://www.ruby-forum.com/t/how-to-run-a-program-newbie/214053)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [November 20, 2011, 11:20am UTC](https://www.ruby-forum.com/t/how-to-run-a-program-newbie/214053 "2011-11-20T11:20:09Z")
Another newbie question here: So: I’ve installed ruby. I’ve got the command prompt set up. If I run “puts 1” it returns “1” and “puts 1+2” returns 3. All seems good. Then I use SciTE to write a program called “calc.rb… --- ## [Basic Auth - MySQL/PgSQL Backend](https://www.ruby-forum.com/t/basic-auth-mysql-pgsql-backend/207315)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [May 23, 2011, 7:22pm UTC](https://www.ruby-forum.com/t/basic-auth-mysql-pgsql-backend/207315 "2011-05-23T19:22:38Z")
I was wondering what options are available for using BasicAuth using Either MySQL or PostGres backend to store users. --- ## [Flowplayer + pseudostreaming + h264/h643 + nginx](https://www.ruby-forum.com/t/flowplayer-pseudostreaming-h264-h643-nginx/201469)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 6\ **Last updated:** [January 8, 2011, 10:07pm UTC](https://www.ruby-forum.com/t/flowplayer-pseudostreaming-h264-h643-nginx/201469 "2011-01-08T22:07:09Z")
Any suggestions ? → http://flowplayer.org/forum/2/56928 Posted at Nginx Forum: --- ## [Should web tests have fixtures?](https://www.ruby-forum.com/t/should-web-tests-have-fixtures/195020)
**Author:** [@josh](https://www.ruby-forum.com/u/josh)\ **Replies:** 6\ **Last updated:** [September 16, 2010, 5:16pm UTC](https://www.ruby-forum.com/t/should-web-tests-have-fixtures/195020 "2010-09-16T17:16:02Z")
Hello everybody A few years ago I worked with RoR and I really loved it. Since aber 2 years or so I didn’t do any webmaster work anymore, though. Now I have a new job where CakePHP is used, some sort of RoR for PHP. C… --- ## [Passing a hash to a view](https://www.ruby-forum.com/t/passing-a-hash-to-a-view/193696)
**Author:** [@pezdude](https://www.ruby-forum.com/u/pezdude)\ **Replies:** 6\ **Last updated:** [August 25, 2010, 6:29pm UTC](https://www.ruby-forum.com/t/passing-a-hash-to-a-view/193696 "2010-08-25T18:29:35Z")
Hello everyone, New to programming and hoping someone can help with this. I’m trying to format a hash in a model so I can access the individual values in a view as follows. (I pulled most of the code out but this is … --- ## [Array $B$N(B product $B$NLa$jCM(B](https://www.ruby-forum.com/t/array-b-n-b-product-b-nla-jcm-b/128862)
**Author:** [@Hideo\_Konami](https://www.ruby-forum.com/u/Hideo_Konami)\ **Replies:** 6\ **Last updated:** [February 15, 2008, 2:19am UTC](https://www.ruby-forum.com/t/array-b-n-b-product-b-nla-jcm-b/128862 "2008-02-15T02:19:48Z")
e$B\>.GH$G$9!#e(B Ruby 1.9 e$B$Ne(B Array e$B%/%i%9$Ne(B product e$B%a%=%C%I$O;H$($=$&$@$H;W$C$F$$$ke(B e$B$N$G$9$,!$JV$5$l$k$N$,G\[Ns$NG\[Ns$K$J$k$o$1$G$9$M!#e(B e$B3N$+$K!V=89g$ND\>@Q!W$H9M$($k$H!$=89g$C$\]$$%%V%8%’%/%H… --- ## [Sorting Titles in Ruby](https://www.ruby-forum.com/t/sorting-titles-in-ruby/124096)
**Author:** [@rykkers](https://www.ruby-forum.com/u/rykkers)\ **Replies:** 6\ **Last updated:** [December 26, 2007, 11:10am UTC](https://www.ruby-forum.com/t/sorting-titles-in-ruby/124096 "2007-12-26T11:10:58Z")
Before I start writing this, I thought I’d see if something already exists, but I’m having trouble formulating a good google search this morning. Let’s say I have a list of, say movies. 20,000 Leagues Under the Sea … --- ## [Regexp Question - Merb::Router](https://www.ruby-forum.com/t/regexp-question-merb-router/109302)
**Author:** [@liquid](https://www.ruby-forum.com/u/liquid)\ **Replies:** 6\ **Last updated:** [July 13, 2007, 10:34am UTC](https://www.ruby-forum.com/t/regexp-question-merb-router/109302 "2007-07-13T10:34:38Z")
Hi, I’m looking through the Merb::Routing code and I’ve found a regexp that I can’t figure out how it works. Merb::Router::SECTION\_REGEXP #=\> /(?::(\[a-z\*\_\]+))/ It takes a route definition string, like “/products/:m… --- ## [MySQL lost connection errors - related to DB session store?](https://www.ruby-forum.com/t/mysql-lost-connection-errors-related-to-db-session-store/81648)
**Author:** [@weyus](https://www.ruby-forum.com/u/weyus)\ **Replies:** 6\ **Last updated:** [January 11, 2007, 6:00am UTC](https://www.ruby-forum.com/t/mysql-lost-connection-errors-related-to-db-session-store/81648 "2007-01-11T06:00:50Z")
All, Win XP MySQL 5.1.x Rails 1.1 I recently changed the session store in my app from file to DB (MySQL) and now I seem to be getting “Lost connection to MySQL server during query:” errors from MySQL. I looked at … --- ## [Test case names on run time](https://www.ruby-forum.com/t/test-case-names-on-run-time/240190)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 7\ **Last updated:** [April 7, 2014, 3:02pm UTC](https://www.ruby-forum.com/t/test-case-names-on-run-time/240190 "2014-04-07T15:02:03Z")
Hi, How can I know using test-unit the tetcases names on runtime I’m gonna run before I run them? --- ## [Simple lambda question](https://www.ruby-forum.com/t/simple-lambda-question/228234)
**Author:** [@Hyun\_Oh\_K](https://www.ruby-forum.com/u/Hyun_Oh_K)\ **Replies:** 7\ **Last updated:** [April 15, 2013, 3:40pm UTC](https://www.ruby-forum.com/t/simple-lambda-question/228234 "2013-04-15T15:40:13Z")
hello, I am newbie for ruby. these days i am forcusing learning about ruby languages. and I wonder and hope ruby will be simply answer below quiz just one line. below is python code. Python 2.3.4 (#1, Nov 10 2004, 1… --- ## [Setting arguments to embedded jruby script](https://www.ruby-forum.com/t/setting-arguments-to-embedded-jruby-script/226972)
**Author:** [@r144](https://www.ruby-forum.com/u/r144)\ **Replies:** 1\ **Last updated:** [March 5, 2013, 10:28am UTC](https://www.ruby-forum.com/t/setting-arguments-to-embedded-jruby-script/226972 "2013-03-05T10:28:05Z")
hi forum members, I try to call a ruby script twice from a java program, with different arguments. It seems I cannot set the argv twice; only the first call to setArgv actually has effect. There must be someting I ha… --- ## [How to remove the "IF" in this fcgi config](https://www.ruby-forum.com/t/how-to-remove-the-if-in-this-fcgi-config/226809)
**Author:** [@ewildgoose](https://www.ruby-forum.com/u/ewildgoose)\ **Replies:** 7\ **Last updated:** [February 25, 2013, 10:20pm UTC](https://www.ruby-forum.com/t/how-to-remove-the-if-in-this-fcgi-config/226809 "2013-02-25T22:20:20Z")
Hi, I’m trying to setup a php app using fpm (owncloud). I am trying to match urls which can all over the filesystem and of the form: something.php/some/path?params So far I have something like this: loca… --- ## [c:\\Ruby187\\bin\\ruby.exe: No such file or directory](https://www.ruby-forum.com/t/c-ruby187-bin-ruby-exe-no-such-file-or-directory/210664)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 1\ **Last updated:** [August 13, 2011, 3:42pm UTC](https://www.ruby-forum.com/t/c-ruby187-bin-ruby-exe-no-such-file-or-directory/210664 "2011-08-13T15:42:00Z")
I have been running my Ruby program using the Git Bash console for a while now. Lately, when I wanted to run a simple ruby program, i go the following on the console: c:\\Ruby187\\bin\\ruby.exe: No such file or director… --- ## [How to iterate through a C# IEnumerable from IronRuby?](https://www.ruby-forum.com/t/how-to-iterate-through-a-c-ienumerable-from-ironruby/207348)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 1\ **Last updated:** [May 24, 2011, 6:28pm UTC](https://www.ruby-forum.com/t/how-to-iterate-through-a-c-ienumerable-from-ironruby/207348 "2011-05-24T18:28:39Z")
Apologies if this is a basic Ruby question. I have a C# method: public class Myro { … public static IEnumerator getPixels(Picture picture) { for (int x=0; x \< picture.width; x++) { for (int y=0; y \< picture.height; … --- ## [Lettura lettere accentate](https://www.ruby-forum.com/t/lettura-lettere-accentate/165979)
**Author:** [@Davide\_Monfrecola](https://www.ruby-forum.com/u/Davide_Monfrecola)\ **Replies:** 7\ **Last updated:** [April 21, 2009, 11:53pm UTC](https://www.ruby-forum.com/t/lettura-lettere-accentate/165979 "2009-04-21T23:53:14Z")
Ciao a tutti. Ho un piccolo problema con la lettura da file. Nel file è memorizzato un testo in italiano con, ovviamente, le lettere accentate. Per la lettura uso: @content = IO.read(file).downcase!.split(/\\W+/) I… --- ## [Problema con conversione](https://www.ruby-forum.com/t/problema-con-conversione/158745)
**Author:** [@stewie](https://www.ruby-forum.com/u/stewie)\ **Replies:** 7\ **Last updated:** [January 28, 2009, 4:31pm UTC](https://www.ruby-forum.com/t/problema-con-conversione/158745 "2009-01-28T16:31:32Z")
Ragazzi ho un problema che è la prima volta che incontro e non riesco a capire come poterlo risolverlo.Ho creto il seguente codice: d=primariga\[1\] uguale=d.index “=” puts “#{d\[uguale\]}” if d\[uguale…(d.size)\]=="=rec… --- ## [Rails -v](https://www.ruby-forum.com/t/rails-v/128705)
**Author:** [@sij](https://www.ruby-forum.com/u/sij)\ **Replies:** 7\ **Last updated:** [February 10, 2008, 11:17pm UTC](https://www.ruby-forum.com/t/rails-v/128705 "2008-02-10T23:17:17Z")
Sono un principiante per sistemi Linux. Su ubuntu rails -v o qualsiasi altra opzione mi da errore. Con solo rails mi apre la pagina man. La versione rails è la 2.0.2 Saluti --- ## [Ruby's a = b vs PHP5's $obj1 =& $obj2](https://www.ruby-forum.com/t/rubys-a-b-vs-php5s-obj1-obj2/115676)
**Author:** [@winterheat](https://www.ruby-forum.com/u/winterheat)\ **Replies:** 7\ **Last updated:** [September 27, 2007, 9:27pm UTC](https://www.ruby-forum.com/t/rubys-a-b-vs-php5s-obj1-obj2/115676 "2007-09-27T21:27:35Z")
Just want to confirm Ruby’s a = b is the same as PHP5’s $obj1 = $obj2 in other words, the reference is copied. While $obj1 =& $obj2 or $obj1 = &$obj2 in both PHP4 and PHP5 isn’t the same as Ruby’s a = b $obj1… --- ## [What is the .rb.swap file for?](https://www.ruby-forum.com/t/what-is-the-rb-swap-file-for/115389)
**Author:** [@rubynut](https://www.ruby-forum.com/u/rubynut)\ **Replies:** 1\ **Last updated:** [September 24, 2007, 8:58pm UTC](https://www.ruby-forum.com/t/what-is-the-rb-swap-file-for/115389 "2007-09-24T20:58:16Z")
I generated a model “user” @ first. then i added some code into the model. after this, i generated a scaffold for model “user” and controller “admin”. but i dont need the scaffold again so i “ruby script/destroy scaf… --- ## [Find( \[1,2,3\] ) find from array without raising error](https://www.ruby-forum.com/t/find-1-2-3-find-from-array-without-raising-error/113324)
**Author:** [@dougal](https://www.ruby-forum.com/u/dougal)\ **Replies:** 7\ **Last updated:** [August 29, 2007, 10:00pm UTC](https://www.ruby-forum.com/t/find-1-2-3-find-from-array-without-raising-error/113324 "2007-08-29T22:00:57Z")
Hello! Best way to explain this is with some code… id\_arr = \[1,2,3,4,5\] # There is no record with id 5. =\> results = find(id\_arr) ActiveRecord::RecordNotFound: Couldn’t find all Posts with IDs (1,2,3,4,5). From re… --- ## [Raise problem in Thread](https://www.ruby-forum.com/t/raise-problem-in-thread/106240)
**Author:** [@oliver](https://www.ruby-forum.com/u/oliver)\ **Replies:** 7\ **Last updated:** [June 7, 2007, 10:35pm UTC](https://www.ruby-forum.com/t/raise-problem-in-thread/106240 "2007-06-07T22:35:37Z")
Define following class: class MyThread \< Thread def initialize() super{ puts “started” sleep 1000 } end def test\_raise() raise StandardError.new() puts “hello” end end Open irb and run: irb(main):082:0\> thr… --- ## [Odd Regexp Issue](https://www.ruby-forum.com/t/odd-regexp-issue/104927)
**Author:** [@kyleh](https://www.ruby-forum.com/u/kyleh)\ **Replies:** 7\ **Last updated:** [May 25, 2007, 3:35pm UTC](https://www.ruby-forum.com/t/odd-regexp-issue/104927 "2007-05-25T15:35:19Z")
I’m writing a web crawler, and in that crawler I want to remove all scripts in the pages I crawl. I should be able to do a simple gsub!(//,"") right? Well, I do that and unfortunately it doesn’t remove some scripts. … --- ## [Safety of Raising Exception](https://www.ruby-forum.com/t/safety-of-raising-exception/103448)
**Author:** [@yottameter](https://www.ruby-forum.com/u/yottameter)\ **Replies:** 7\ **Last updated:** [May 7, 2007, 6:07am UTC](https://www.ruby-forum.com/t/safety-of-raising-exception/103448 "2007-05-07T06:07:42Z")
Let’s say I have a url like /controller/method/id?some\_param=whatever if I put some\_param into an exception, such as raise MyException, “I don’t like the value #{some\_param}” or log(“I don’t like the value #{some\_pa… --- ## [Update attributes](https://www.ruby-forum.com/t/update-attributes/85849)
**Author:** [@namwob](https://www.ruby-forum.com/u/namwob)\ **Replies:** 7\ **Last updated:** [February 16, 2007, 11:17pm UTC](https://www.ruby-forum.com/t/update-attributes/85849 "2007-02-16T23:17:20Z")
I am a bit confused as to why I am getting an error updating an object. This is the ERROR: Couldn’t find User without an ID In my development.log file I noticed the following when trying to initiate the update: Pro… --- ## [How to Create a New File](https://www.ruby-forum.com/t/how-to-create-a-new-file/100564)
**Author:** [@Skeets](https://www.ruby-forum.com/u/Skeets)\ **Replies:** 7\ **Last updated:** [July 30, 2006, 9:12am UTC](https://www.ruby-forum.com/t/how-to-create-a-new-file/100564 "2006-07-30T09:12:00Z")
let’s say I want to create a new file named new\_file.txt. how do i do this in ruby? it would seem to be trivial, however, i’m going through the pickaxe book and i can’t find anything that relates to this. tia… --- ## [Where is the Content Assist of RDT?](https://www.ruby-forum.com/t/where-is-the-content-assist-of-rdt/49667)
**Author:** [@could.net](https://www.ruby-forum.com/u/could.net)\ **Replies:** 7\ **Last updated:** [December 8, 2005, 4:25am UTC](https://www.ruby-forum.com/t/where-is-the-content-assist-of-rdt/49667 "2005-12-08T04:25:36Z")
this url() said RDT HAS Content Assist. I use RDT 0.6.0, but I never found the code completion thing in it. please tell me, how to find out the Content Assist stuff in RDT? thanks. --- ## [Can't figure out why my instances aren't saving](https://www.ruby-forum.com/t/cant-figure-out-why-my-instances-arent-saving/260944)
**Author:** [@pokedexrockett](https://www.ruby-forum.com/u/pokedexrockett)\ **Replies:** 3\ **Last updated:** [February 8, 2021, 10:09pm UTC](https://www.ruby-forum.com/t/cant-figure-out-why-my-instances-arent-saving/260944 "2021-02-08T22:09:38Z")
Hello. New to the forums. TLDR I have a ryby gem that uses an API that I’ve been working on and I want to save instances of my class so I can see all created instances. IDK why it won’t work and am really confused. any h… --- ## [Ruby - click “unclickable” e.g. local link with mechanize](https://www.ruby-forum.com/t/ruby-click-unclickable-e-g-local-link-with-mechanize/245038)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [August 27, 2016, 11:16pm UTC](https://www.ruby-forum.com/t/ruby-click-unclickable-e-g-local-link-with-mechanize/245038 "2016-08-27T23:16:11Z")
Please, bear in mind this is my first time writing anything to actually achieve something more complex, also Im beginner in programming. So first of all, this is part of my “webpage” printed with pp: #\ **Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 3\ **Last updated:** [July 15, 2016, 4:18pm UTC](https://www.ruby-forum.com/t/how-to-add-add-sorting-to-html-table-fields/244945 "2016-07-15T16:18:21Z") Hi Please help to find how to add sorting to all fields in html table , backend is mongodb with mongoid and also iam using kaminari gem for pagination. --- ## [Delete\_head\_blocking()](https://www.ruby-forum.com/t/delete-head-blocking/245640)
**Author:** [@Rafa\_F](https://www.ruby-forum.com/u/Rafa_F)\ **Replies:** 8\ **Last updated:** [June 29, 2013, 7:53am UTC](https://www.ruby-forum.com/t/delete-head-blocking/245640 "2013-06-29T07:53:50Z")
Hi All, I have been trying to understand delete\_head\_blocking() function from gr\_basic\_block, but couldn’t understand much clearly. Can anybody shed some light on this. Also I want to understand pair(car-cdr as well)… --- ## [Grasping methods and monkey-patching?](https://www.ruby-forum.com/t/grasping-methods-and-monkey-patching/227854)
**Author:** [@rafal\_c](https://www.ruby-forum.com/u/rafal_c)\ **Replies:** 8\ **Last updated:** [April 3, 2013, 6:10pm UTC](https://www.ruby-forum.com/t/grasping-methods-and-monkey-patching/227854 "2013-04-03T18:10:17Z")
Hi, I’m posting here to quickly ask you: how is one able to do something like: "string".is\_i? …where “is\_i?” is a method I created, on any object? This kind of goes into monkey-patching I guess. Would I have to do: c… --- ## [Round off method in 1.8.7](https://www.ruby-forum.com/t/round-off-method-in-1-8-7/222830)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 8\ **Last updated:** [September 12, 2012, 11:50am UTC](https://www.ruby-forum.com/t/round-off-method-in-1-8-7/222830 "2012-09-12T11:50:10Z")
Hi all i am trying to use round method if have a value 2.08 i want it as 2.1 and it worked in 1.9.2 but not in 1.8.7 is there any other way of doing it. USING 1.9.2 1.9.2p320 :001 \> 2.08.round(1) =\> 2.1 1.9.2p320 … --- ## [Fastest way to get first line and ith line in a file?](https://www.ruby-forum.com/t/fastest-way-to-get-first-line-and-ith-line-in-a-file/222112)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [August 13, 2012, 1:30pm UTC](https://www.ruby-forum.com/t/fastest-way-to-get-first-line-and-ith-line-in-a-file/222112 "2012-08-13T13:30:01Z")
What is the Fastest way to get first line and ith line in a file? --- ## [Deleting multiple contacts using check\_box\_tag](https://www.ruby-forum.com/t/deleting-multiple-contacts-using-check-box-tag/221554)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 8\ **Last updated:** [July 23, 2012, 11:50am UTC](https://www.ruby-forum.com/t/deleting-multiple-contacts-using-check-box-tag/221554 "2012-07-23T11:50:10Z")
I have build a contacts page which displays a number of contacts. I have attached a check\_box\_tag with each row of these. And then a button to delete those selected. But it is not working. Following is the code snipet… --- ## [Nginx proxy overhead with / out keep alive requests](https://www.ruby-forum.com/t/nginx-proxy-overhead-with-out-keep-alive-requests/220542)
**Author:** [@aris](https://www.ruby-forum.com/u/aris)\ **Replies:** 3\ **Last updated:** [June 13, 2012, 10:50pm UTC](https://www.ruby-forum.com/t/nginx-proxy-overhead-with-out-keep-alive-requests/220542 "2012-06-13T22:50:44Z")
I have a test setup to measure the nginx overhead when plugged in front of a Jboss tomcat server. In tomcat I have deployed a test.jsp and use ab to measure the performance with the following scenarios With out keep … --- ## [Call a task when server starts](https://www.ruby-forum.com/t/call-a-task-when-server-starts/206841)
**Author:** [@dubstep](https://www.ruby-forum.com/u/dubstep)\ **Replies:** 8\ **Last updated:** [May 12, 2011, 7:49am UTC](https://www.ruby-forum.com/t/call-a-task-when-server-starts/206841 "2011-05-12T07:49:23Z")
hi, I am trying to invoke a task when server start but fails to do that. Can any body help me that how to do it? My code is: path : app\_root/lib/tasks/mytask.rake task :start =\> :environment do #do some magic and st… --- ## [What is the difference between a Ruby array and a list in Haskell or Lisps?](https://www.ruby-forum.com/t/what-is-the-difference-between-a-ruby-array-and-a-list-in-haskell-or-lisps/202595)
**Author:** [@luislavena](https://www.ruby-forum.com/u/luislavena)\ **Replies:** 3\ **Last updated:** [February 2, 2011, 9:18am UTC](https://www.ruby-forum.com/t/what-is-the-difference-between-a-ruby-array-and-a-list-in-haskell-or-lisps/202595 "2011-02-02T09:18:11Z")
As the title asks what is the difference between a Ruby array and a list in Haskell or the various Lisp dialects? I’ve started playing around with Haskell and other functional languages like Emacs-lisp and Clojure. … --- ## [Uninitialized constant ActionController::Session::JavaServletStore](https://www.ruby-forum.com/t/uninitialized-constant-actioncontroller-javaservletstore/159744)
**Author:** [@Ryan\_LSBell](https://www.ruby-forum.com/u/Ryan_LSBell)\ **Replies:** 3\ **Last updated:** [July 28, 2009, 5:09am UTC](https://www.ruby-forum.com/t/uninitialized-constant-actioncontroller-javaservletstore/159744 "2009-07-28T05:09:55Z")
I’ve just upgraded to edge rails. I’ve tried warbler 9.11 and 9.12, but I keep getting the same exception when I try to deploy my app. Any idea how I can fix this? org.jruby.rack.RackInitializationException: uninitial… [Previous page](https://www.ruby-forum.com/top.md?page=853&per_page=50) [Next page](https://www.ruby-forum.com/top.md?page=855&per_page=50)