# Latest **URL:** https://www.ruby-forum.com/latest.md?page=482 [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:** 483 --- ## [ScrolledWindow - how to enable scrolling with page up and page down keys?](https://www.ruby-forum.com/t/scrolledwindow-how-to-enable-scrolling-with-page-up-and-page-down-keys/237993)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 11, 2013, 8:30am UTC](https://www.ruby-forum.com/t/scrolledwindow-how-to-enable-scrolling-with-page-up-and-page-down-keys/237993 "2013-12-11T08:30:48Z")
Hi, I have a Scrolled Window. The mouse keys work fine, I can scroll up and down, but not with page up and page down. Does someone understand why page up and page down does not work or more importantly how to enable … --- ## [JOBS: Ruby on Rails Developer & Security Engineer](https://www.ruby-forum.com/t/jobs-ruby-on-rails-developer-security-engineer/237998)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 11, 2013, 12:02am UTC](https://www.ruby-forum.com/t/jobs-ruby-on-rails-developer-security-engineer/237998 "2013-12-11T00:02:42Z")
AppFolio, Inc. is focused on building state of the art, web-based business applications. We are a fast growing and funded start-up based in Santa Barbara, CA with additional offices in Dallas, TX and San Diego, CA. … --- ## [Re: alias](https://www.ruby-forum.com/t/re-alias/237997)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 11:41pm UTC](https://www.ruby-forum.com/t/re-alias/237997 "2013-12-10T23:41:40Z")
On Mon, Dec 09, 2013 at 05:03:55PM +0000, Matthew Ngaha wrote: Where does the example come from? It may be worth asking the author to fix it. Hi Francis It was from nginx http server If you ask for http://localh… --- ## [Class initialization with assignment-like method](https://www.ruby-forum.com/t/class-initialization-with-assignment-like-method/237991)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [December 10, 2013, 10:51pm UTC](https://www.ruby-forum.com/t/class-initialization-with-assignment-like-method/237991 "2013-12-10T22:51:25Z")
I’m trying to understand this: module A def a=(num) @a = num % 2 end def b(num) @b = num % 2 end end class B include A def initialize(num) a = num b(num) end end class C include A def initialize(num) s… --- ## [OpenSSL PKCS8 Support](https://www.ruby-forum.com/t/openssl-pkcs8-support/237995)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 10, 2013, 7:54pm UTC](https://www.ruby-forum.com/t/openssl-pkcs8-support/237995 "2013-12-10T19:54:15Z")
I need to be able to export PKCS8 formatted public keys from Ruby through the OpenSSL library but so far the only way I’ve found to do this is to either spin up the openssl command to do the heavy lifting, or to make … --- ## [Ruby On Rails so serve para CRUD's](https://www.ruby-forum.com/t/ruby-on-rails-so-serve-para-cruds/237979)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [December 10, 2013, 6:34pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-so-serve-para-cruds/237979 "2013-12-10T18:34:21Z")
Bom dia galera, Estou a j a aluns anos mexendo com ruby on rails e tenho achado um framework bastante robusto. Mas que acontece o seguinte, alem de trabalhar com ruby tambem programo muito com Java e tenho tido dif… --- ## [Ruby under a microscope](https://www.ruby-forum.com/t/ruby-under-a-microscope/237931)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [December 10, 2013, 5:30pm UTC](https://www.ruby-forum.com/t/ruby-under-a-microscope/237931 "2013-12-10T17:30:39Z")
Ho visto che stato pubblicato questo che mi sembra un simpatico libro da leggere nelle vacanze: http://www.amazon.it/Ruby-Under-Microscope-Illustrated-Internals/dp/1593275277/ref=sr\_1\_8?s=english-books&ie=UTF8&qid=138… --- ## [HTTP Headers](https://www.ruby-forum.com/t/http-headers/237990)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [December 10, 2013, 5:10pm UTC](https://www.ruby-forum.com/t/http-headers/237990 "2013-12-10T17:10:45Z")
Hey guys, I need to make a HTTP GET in a page, but I need to use the header X-Requested-With : XMLHttpRequest, but I have no idea how to do this. by the way I’m new in ruby. --- ## [Nginx "Segementation Fault" - dont know where to start](https://www.ruby-forum.com/t/nginx-segementation-fault-dont-know-where-to-start/237988)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 4:15pm UTC](https://www.ruby-forum.com/t/nginx-segementation-fault-dont-know-where-to-start/237988 "2013-12-10T16:15:46Z")
Hi all, I am trying to compile version 1.4.4 with a couple of modules, and I have a clean compile that runs on the test system just fine. However when I run it on the production server it crashes with “Segmentation F… --- ## [RubyObject.toJava](https://www.ruby-forum.com/t/rubyobject-tojava/237893)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 8\ **Last updated:** [December 10, 2013, 3:19pm UTC](https://www.ruby-forum.com/t/rubyobject-tojava/237893 "2013-12-10T15:19:05Z")
I am trying to pass a JRuby Object to Java. I need to make sure the class name that Java sees is recognizable and not just RubyObject. The point is to be able to call methods. Without a recognizable class, how can … --- ## [Rjb+passenger problemi](https://www.ruby-forum.com/t/rjb-passenger-problemi/237871)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 22\ **Last updated:** [December 10, 2013, 2:30pm UTC](https://www.ruby-forum.com/t/rjb-passenger-problemi/237871 "2013-12-10T14:30:33Z")
Salve a tutti, premetto che sono alle prime armi con passenger e apache, giusto le basi per mettere rails in produzione. La app che ho messo in produzione è in un server interno. Premetto che funziona tutto bene, ho r… --- ## [Nuby: using net/http\*s\* from behind a proxy server](https://www.ruby-forum.com/t/nuby-using-net-http-s-from-behind-a-proxy-server/109384)
**Author:** [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 2:22pm UTC](https://www.ruby-forum.com/t/nuby-using-net-http-s-from-behind-a-proxy-server/109384 "2013-12-10T14:22:52Z")
Hey All, I’ve had reasonable luck using net/http from behind a proxy server here at work, but now I need to draw down SSL-encrypted pages via https. Here’s my latest, unsuccessful attempt: -------------------------… --- ## [Fedex plugin Rails Issue](https://www.ruby-forum.com/t/fedex-plugin-rails-issue/237985)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [December 10, 2013, 2:07pm UTC](https://www.ruby-forum.com/t/fedex-plugin-rails-issue/237985 "2013-12-10T14:07:47Z")
I working on an existing code base for a client. The app is built in rails 2.3 and uses the fedex plugin. Now i have develop a functionality for shipping the goods using international priority service type, the probl… --- ## [\[ANN\] TeamCity Ruby Client 1.2.0](https://www.ruby-forum.com/t/ann-teamcity-ruby-client-1-2-0/237972)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 1:27pm UTC](https://www.ruby-forum.com/t/ann-teamcity-ruby-client-1-2-0/237972 "2013-12-10T13:27:29Z")
teamcity-ruby-client version 1.2.0 has been released! home: GitHub - jperry/teamcity-ruby-client: Ruby wrapper for the TeamCity Rest API rubydoc: http://rubydoc.info/gems/teamcity-ruby-client/frames rubygems: teamcit… --- ## [Stalled cache updating - what does it mean?](https://www.ruby-forum.com/t/stalled-cache-updating-what-does-it-mean/237986)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 11:58am UTC](https://www.ruby-forum.com/t/stalled-cache-updating-what-does-it-mean/237986 "2013-12-10T11:58:42Z")
Hello, I have a pretty basic PHP / fastcgi setup with a fastcgi cache as follows: fastcgi\_cache\_key “$scheme$request\_method$host$request\_uri”; fastcgi\_cache\_lock on; fastcgi\_cache\_bypass $skip\_cache; fastcgi\_no\_cac… --- ## [Can I use openssl asynchronously?](https://www.ruby-forum.com/t/can-i-use-openssl-asynchronously/237983)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [December 10, 2013, 9:08am UTC](https://www.ruby-forum.com/t/can-i-use-openssl-asynchronously/237983 "2013-12-10T09:08:53Z")
Hi there. I’m working on a feature, which needs to receive a bunch of parts of a file (from resumableJS), and then encrypt them, upload them to S3, and stich them together. Firstly: The files are extremely large - th… --- ## [How do we store hash things in DB?](https://www.ruby-forum.com/t/how-do-we-store-hash-things-in-db/237982)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 1\ **Last updated:** [December 10, 2013, 8:13am UTC](https://www.ruby-forum.com/t/how-do-we-store-hash-things-in-db/237982 "2013-12-10T08:13:48Z")
\#!/usr/bin/ruby #hash\_of\_hash.rb list={“app1”=\>101,“app2”=\>104,“app3”=\>109,“app4”=\>123} h=Hash.new{ |h,id| h\[id\]=Hash.new{ |h,dt| h\[dt\]={} }} h\[“company”\]\[“products”\]=list puts h we know this is hash of hash. I wan… --- ## [Installing using pybombs](https://www.ruby-forum.com/t/installing-using-pybombs/237980)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [December 10, 2013, 5:53am UTC](https://www.ruby-forum.com/t/installing-using-pybombs/237980 "2013-12-10T05:53:02Z")
Hi I started installing GNU Radio in ubuntu 12.01(64bit) in amd processor using pybombs. But unable to proceed from here because i’am unable to understand what it meant . Any suggestions regarding how to proceed wou… --- ## [About importerror in gnuradio 3.7.0](https://www.ruby-forum.com/t/about-importerror-in-gnuradio-3-7-0/237970)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 2\ **Last updated:** [December 10, 2013, 3:17am UTC](https://www.ruby-forum.com/t/about-importerror-in-gnuradio-3-7-0/237970 "2013-12-10T03:17:40Z")
Dear list, I want to move my out of tree model from gnuradio 3.6.5 to 3.7.0. I follow the introduction about how to move from 3.6 to 3.7. The code is able to build. However when I running the python script, still meet… --- ## [Link libraries to a OOT block](https://www.ruby-forum.com/t/link-libraries-to-a-oot-block/237953)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 4\ **Last updated:** [December 10, 2013, 3:16am UTC](https://www.ruby-forum.com/t/link-libraries-to-a-oot-block/237953 "2013-12-10T03:16:29Z")
Hello, I’m a long time Windows programmer trying to write a gnuradio module to improve my Linux development skills. I created a gnuradio module following the tutorial that just sends dummy data back to gnuradio. That… --- ## [Add variable argument length second argument to ActiveSupport pluralize(?)](https://www.ruby-forum.com/t/add-variable-argument-length-second-argument-to-activesupport-pluralize/237978)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 0\ **Last updated:** [December 9, 2013, 10:18pm UTC](https://www.ruby-forum.com/t/add-variable-argument-length-second-argument-to-activesupport-pluralize/237978 "2013-12-09T22:18:01Z")
In most languages that I know (English, Dutch), the plural case can be derived from the singular – modulo a few irregularities e.g. boy/boys, sheep/sheep, straat/straten, auto/auto’s, etc. In a great many other langua… --- ## [Need help identifying jammer signal](https://www.ruby-forum.com/t/need-help-identifying-jammer-signal/237976)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 0\ **Last updated:** [December 9, 2013, 9:07pm UTC](https://www.ruby-forum.com/t/need-help-identifying-jammer-signal/237976 "2013-12-09T21:07:18Z")
It might be an IF local oscillator whose signal is leaking outside. Hence, the small bandwidth and the drifts on that small band. --- ## [Why I can not call super in define\_method with overloading method?](https://www.ruby-forum.com/t/why-i-can-not-call-super-in-define-method-with-overloading-method/237743)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 2\ **Last updated:** [December 9, 2013, 8:15pm UTC](https://www.ruby-forum.com/t/why-i-can-not-call-super-in-define-method-with-overloading-method/237743 "2013-12-09T20:15:54Z")
When I run code below it raise error: implicit argument passing of super from method defined by define\_method() is not supported. Specify all arguments explicitly. (RuntimeError). I am not sure what is the problem… P… --- ## [Uhd\_find\_devices not detecting USRP2](https://www.ruby-forum.com/t/uhd-find-devices-not-detecting-usrp2/237974)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 5\ **Last updated:** [December 9, 2013, 7:56pm UTC](https://www.ruby-forum.com/t/uhd-find-devices-not-detecting-usrp2/237974 "2013-12-09T19:56:37Z")
Hi Everyone, I recently found a couple USRP2’s that have not been used for some time in my lab, and decided to use them for some testing. One of the USRP2’s worked perfectly when I connected it up to the host comp… --- ## [Alias](https://www.ruby-forum.com/t/alias/237977)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 1\ **Last updated:** [December 9, 2013, 7:33pm UTC](https://www.ruby-forum.com/t/alias/237977 "2013-12-09T19:33:50Z")
hi all, i just had a quick question about this example. http { server { server\_name localhost; root /var/www/website.com/html; location /admin/ { alias /var/www/locked/; } } } When a request for http://localho… --- ## [Trying to make MIN MAX sorting array; I want to print the min and max #s of the array](https://www.ruby-forum.com/t/trying-to-make-min-max-sorting-array-i-want-to-print-the-min-and-max-s-of-the-array/237795)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 16\ **Last updated:** [December 9, 2013, 6:43pm UTC](https://www.ruby-forum.com/t/trying-to-make-min-max-sorting-array-i-want-to-print-the-min-and-max-s-of-the-array/237795 "2013-12-09T18:43:35Z")
I’m not looking for anyone to GIVE ME the answer/ do homework for me. I’m just looking for a turn in the right direction. Here is my code: array = \[1, 2, 3, 4, 5, 6, 7, 8, 9, 10\] min = 0 max = 0 x = 0 i = array.le… --- ## [Tutorial - Creating a simple ToDo application](https://www.ruby-forum.com/t/tutorial-creating-a-simple-todo-application/237942)
**Author:** [@musicdenotation](https://www.ruby-forum.com/u/musicdenotation)\ **Replies:** 3\ **Last updated:** [December 9, 2013, 6:40pm UTC](https://www.ruby-forum.com/t/tutorial-creating-a-simple-todo-application/237942 "2013-12-09T18:40:17Z")
Hi all, I just finished the first part of a tutorial about creating a simple ToDo applicationhttp://arubystory.blogspot.com/2013/12/tutorial-creating-simple-todo.html . --- ## [Ricerca collaboratore (con riflessione)](https://www.ruby-forum.com/t/ricerca-collaboratore-con-riflessione/237403)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 86\ **Last updated:** [December 9, 2013, 6:10pm UTC](https://www.ruby-forum.com/t/ricerca-collaboratore-con-riflessione/237403 "2013-12-09T18:10:51Z")
Ciao a tutti, la prima volta che scrivo in lista ma da tempo che vi leggo. La mia azienda ha sviluppato alcuni progetti con Ruby in quanto abbiamo un collaboratore molto capace ed esperto con questo linguaggio. Ora … --- ## [Adding instant messaging to a rails application](https://www.ruby-forum.com/t/adding-instant-messaging-to-a-rails-application/237899)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 4\ **Last updated:** [December 9, 2013, 5:56pm UTC](https://www.ruby-forum.com/t/adding-instant-messaging-to-a-rails-application/237899 "2013-12-09T17:56:48Z")
Hi guys, I have a membership based application and would like to add a chat/instant messaging feature for members to chat amongst each other. I’m thinking facebook chat where the chats are either chat(when both are o… --- ## [Get first entries of case / when menus](https://www.ruby-forum.com/t/get-first-entries-of-case-when-menus/237960)
**Author:** [@Detlef\_R](https://www.ruby-forum.com/u/Detlef_R)\ **Replies:** 3\ **Last updated:** [December 9, 2013, 5:27pm UTC](https://www.ruby-forum.com/t/get-first-entries-of-case-when-menus/237960 "2013-12-09T17:27:35Z")
Hi. Is there a simple way to get all first entries of a case/when menu? like when you have: case x when ‘abc’,‘def’ do\_this when ‘ghi’,‘h’ do\_that end I’d need an array of ‘abc’ and ‘ghi’ The reason I need this… [Previous page](https://www.ruby-forum.com/latest.md?page=481) [Next page](https://www.ruby-forum.com/latest.md?page=483)