Ruby is a dynamic, open source programming language with a focus on simplicity and productivity.

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-2
votes
1answer
37 views

Typical cases where I might use exceptions in programming [closed]

Can someone please help me with something that seems simple but I've never really got my head round. Exceptions! I know how to write an exception but countless code samples with variables foo and bar ...
2
votes
1answer
5k views

Upgraded to Mavericks, C compiler cannot create executables

Upgrading to Mavericks, I appear to have broken my Ruby on Rails development environment, which requires ruby 1.9.3 because of various gem dependencies. Within that app directory, I'm trying to ...
1
vote
1answer
2k views

OS X `gollum` install not working

I've tried many things to fix this, but i can't get get gollum as a cli utility. gem install gollum completes with ... Building native extensions. This could take a while... ERROR: Error ...
0
votes
1answer
1k views

How to stop ruby on Mac OS X

When I run a faulty ruby loop programme, my CPU start running fast as you can see in the following image. I stop abort it by ctrl C but it keep running. Only I can stop it to restart the computer. Is ...
-6
votes
2answers
375 views

Remove last word from whole string [closed]

I have following string 2014-04-29T06-19-20_17368f93ce02e18f278ae22d248e7d0692db3f54d2409_1088x288.mp4.uploaded I want to remove the last .uploaded word from this whole string . How can I do ...
-1
votes
2answers
50 views

Find particular file in particular directory

I want to find the particular file name in particular directory in ruby. I tried the following Dir.glob() file = Dir.glob("/home/prakash/Desktop/*.uploaded") output: ...
0
votes
1answer
78 views

zsh and Ruby print issue

Has anyone come across an issue where Ruby's print method leaves behind a % at the end of the line using zsh? I'm using oh-my-zsh (https://github.com/robbyrussell/oh-my-zsh) with iTerm2. Here is an ...
0
votes
1answer
163 views

How to run a launchd task every weekend once?

I am trying to run a ruby program as a cron. I have figured out how to run the ruby program from a launchd The problem is that I don't know how to say "Run the job once every Sunday". Below is my ...
2
votes
4answers
1k views

Bootstrap - Jekyll: Forbidden - no access permission to `/'

I'm doing a tutorial on Twitter Bootstrap and apparently I need to install Jekyll for this. I've followed the installation procedure, but now I'm stuck getting Jekyll to work. In the terminal (Ubuntu ...
1
vote
0answers
239 views

How can I get Homebrew and MAMP (Pro) to play nicely together?

I am using MAMP Pro for most of my local application development and am trying to install ruby , etc via homebrew however homebrew will give me the following warning: Warning: "config" scripts exist ...
3
votes
1answer
1k views

Issues compiling passenger for apache2 on CentOS

I am trying to install openproject on a CentOS 6.5 (Release 3 from OVH) following this tutorial but with mysql in place of postgresql. I'm nearly done but I can't seem to compile passenger for apache ...
0
votes
1answer
800 views

What should I make out of this message?

I am trying to set up the Ruby on Rails on my Mac OS X Maverick just to check whether I have Rails installed I typed rails --version and I got this as response ...
0
votes
1answer
47 views

how to jump to table in rubymine 6/intellji rails model dependency diagram

I remember there was a keyboard shortcut we used back in the day.. any ideas? or at least what's the name of the action so that i can assign a custom keyboard shortcut in the rubymine key map ...
3
votes
1answer
1k views

All rails application logs being written to apache error log

I've deployed a ruby on rails 4.0.3 application to a server that I've configured with the following likely relevant software: Ubuntu 12.04.4 x64 server Phusion Passenger 4.0.37 Apache 2.2.22 Ruby ...
0
votes
1answer
203 views

ruby1.9.3 links to ruby1.9.1 in Debian Wheezy after install with aptitude

I have just attempted to install ruby1.9.3 with aptitude but for some odd reason it keeps symlinking /usr/bin/ruby1.9.3 to /usr/bin/ruby1.9.1. Here are the ruby version in /usr/bin: lrwxrwxrwx 1 ...
1
vote
1answer
366 views

OS X Automator Shell Script for custom search with special character not encoded with utf-8

I find a script here Mac OS X (Lion) Chrome: shortcut for "Search With Google" which shows how to do google search using shell script in OS X Automator. The original script is: open ...
4
votes
2answers
331 views

Ruby commands are turning off tty echo

After running Ruby scripts, almost 100% of the time, the bash command line will appear to be inactive, while in fact it's silently accepting my keystrokes without showing them to me. This has ...
0
votes
0answers
214 views

Correct way of setting Ruby2.1 as the go-to application when it referenced to/called via shell?

I have installed Ruby 2.1 on my headless Debian server (7.4) by downloading the source from https://www.ruby-lang.org/en/downloads/ and then running the routine of ./configure make make install ...
1
vote
1answer
163 views

how to run ruby app on startup

I'm trying to run a sinatra app on startup in linux mint. I'm using the startup applications preferences to add the path to the ruby file that I'm trying to execute: shotgun /path/to/file/file.rb ...
0
votes
0answers
169 views

Pow server - my site need port number for .dev

there, I am new to Ruby and trying to use Pow in my Mac. When I type MYSITE.dev/ in my browser, it always says "The connection was reset". But it works fine for MYSITE.dev:20559. It seems that I ...
2
votes
1answer
317 views

Redmine install on Apache2/Ubuntu 12.04 EC2 instance

Can someone point me to a guide or guides that explain how to get Redmine running on Ubuntu 12.04? From installing Ruby to setting up Passenger? I've tried a handful of times and have never been ...
5
votes
1answer
2k views

bash vi mode: What does # -*- mode: ruby -*- # vi: set ft=ruby : mean?

I'm looking through some random code, and at the top of it, it says this: # -*- mode: ruby -*- # vi: set ft=ruby : What does this mean? I know it's a simple question, but I couldn't find it out ...
1
vote
1answer
110 views

Automating Craiglist

I would like to be able to quickly respond to craigslist ads even when I am asleep or away from my computer. Basically what a site like www.classifiedadresponder.com does, but my own way of doing it ...
1
vote
1answer
199 views

Issue installing gem

So I'm trying to install this gem but hitting an error. https://github.com/cgore/ruby-btce The actual README says to do a gem install, so I guess I didn't need to clone the git repo? Anyway, I had to ...
2
votes
2answers
5k views

RVM is not a function, selecting rubies with 'rvm use …' will not work

I am trying to install Discourse as explained here but the command # Use installed ruby as default rvm use 2.0.0 --default results in this: discourse@ubuntu:~$ rvm use 2.0.0 --default RVM is ...
2
votes
1answer
1k views

install gem for older ruby 1.8 on Mac OS X 10.9 Maverics

I installed osx-trash using the answer here but got the error: /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:45:in `require': cannot ...
2
votes
1answer
1k views

yaml.h not found after installing libyaml

I have installed libyaml yet Ruby install can not find yaml.h. I do not have sudo permissions so everything must be done as a normal user. wget http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz ...
1
vote
2answers
613 views

What does the linux “mkdir bin lib lib/NAME test” command translate into in Windows?

I am working on a Ruby tutorial and it is having set up projects using the listed command. It is not quite clear to me what they are exactly doing with that command. Are they making a path ...
0
votes
1answer
64 views

Multiple web apps on a laptop friendly way

I have a large collection of mini web apps written in Rails and Sinatra which I constantly use. My objective is to host them in a laptop friendly way. Most of deployment articles I have seen are ...
2
votes
3answers
831 views

How to install rvm as user jenkins?

I am following these steps to setup a Jenkins server on an Ubuntu EC2 instance. Everything is fine until I get to this step: As you can see (at the end of the output) I am being asked for the ...
2
votes
1answer
487 views

“which rails” works.. but “rails --version” doesn't.. how come?

This may be related to what i did here.. but when I type the command which rails I get /usr/bin/rails but when i type rails --version I get: ...
1
vote
0answers
117 views

How to Properly Use a Cloned Rails Project

Recently, I set up a new dev machine. To get it to seamlessly work with my other machine, I used Git to put my project on BitBucket. Then, I cloned it to my new machine. However, running rails s on ...
3
votes
1answer
160 views

How to execute Ruby scripts on Windows 7 with minimal technical effort?

I've written some Ruby scrappers which will be used by some non-technical guys. I want to make these Ruby scripts executable on Windows with minimal effort. What are my options beside installing Ruby? ...
2
votes
1answer
303 views

Syntax Highlighting in Adobe InDesign

Is there a way to get syntax highlighting for Ruby into InDesign? I found a few examples for how this might work with GREP and HTML, but for any other language you had to define every element yourself ...
0
votes
1answer
159 views

How do I avoid continual issues with multiple programs (git, ruby, python) and default network drive path problems?

I am not an advanced user. Windows 7 PC. Our network admin has a network drive (H: drive)that installs on restart.....which I do not have access to when not in the office (or is not available via ...
0
votes
1answer
187 views

Using ruby application in launchctl scripts

In OS X, I am trying to create a script invoked automatically by launchctl. This script will invoke ruby application (jabber-tee and terminal-notifier) installed with gem. Her is my python script. ...
0
votes
0answers
200 views

Cursor keys leave insert mode in irb in vi mode

I am using vi-mode in a ruby IRB by having a ~/.inputrc containing only the following line: set editing-mode vi Since I changed from ruby 1.8.7-p371 to ruby 1.9.3 and 2.0.0, IRB (and the rails ...
1
vote
0answers
321 views

I am having trouble using SASS/Compass on localhost in Fedora 18

I am attempting to use SASS/Compass in Fedora 18 on my localhost test server, located at: /var/www/html Ruby/gems and compass have already been installed. Now, I'm trying to create a test file and ...
0
votes
0answers
2k views

Launchd Exited with code: 1

I have been spending way too much time trying to figure this one out. My launchd job keeps giving me the error "Exited with code: 1". Here is the plist: <?xml version="1.0" encoding="UTF-8" ...
-1
votes
1answer
353 views

How to use each in rails to display values of an array [closed]

I have a @keyword variable which holds the string "cat dog mouse bird" I want to display the values of each word under a span element. My algorithm looks like <%= @keyword.split.each {|key| ...
0
votes
2answers
72 views

How can 2 or more instances of the same program to communicate in local network? [closed]

I want to create program which will be in use for few computers connected in local network. Basically the program aim is to keep track of all tables in a bar ( lets say ), which are reserved. When ...
1
vote
4answers
14k views

Can't run compass after install

This is a beginner mistake I am sure as I am new to terminal etc. I am trying to get compass working on my mac, I have already installed sass and got it working but when I try to install compass even ...
3
votes
3answers
2k views

Change Command Prompt width from the Command Line [duplicate]

Don't really know what more I can say really. That window captured below will simply not get any larger. Are there some settings somewhere that will allow me to resize it? See, this limited window ...
1
vote
2answers
1k views

Can't install gems with Ruby: “invalid byte sequence in UTF-8”

I'm using Mountain Lion. I've installed Ruby first with RVM, then with rbenv. I can assure it's running the latest one with which ruby, it correctly points to the one installed with rbenv. gem won't ...
1
vote
0answers
21 views

Storing web-development libraries locally and update them whenever you are connected to internet

I'm learning things on the web and pretty much have developed several websites. Internet in our country is a bit poor and slow so developing using ruby or node js is pretty much a pain in the ass ...
0
votes
2answers
608 views

How can I format Ruby arguments/hashes in Vim?

I'd like to be able to easily formatting Ruby code from within Vim. If I have a method with a hash argument foobar(foo: "FOO", bar: "BAR") How can I turn it into foobar( foo: "FOO", bar: ...
2
votes
1answer
906 views

Created box with vagrant as root, want to run as normal user

I ran vagrant init/up as root initially with one of my boxes, however, all of my other boxes are owned by a normal user, so every time I want to use the box as a regular user, I have to sudo and then ...
2
votes
0answers
373 views

`brew doctor` shows warning: “config” scripts exist outside your system or Homebrew directories

When I use brew doctor, I get following error. Warning: "config" scripts exist outside your system or Homebrew directories. `./configure` scripts often look for *-config scripts to determine if ...
1
vote
1answer
727 views

Unable to install ruby on ubuntu 12.04

Hi i want to install ruby on my Ubuntu 12.04. I tried it with following command sudo apt-get install curl but it gives me following error. The hostname -f command returned: $1 Your system needs to ...
0
votes
1answer
540 views

How can I programmatically register a file with Redmine?

I'd like to add a file to a Redmine server without going through the graphical interface. I'm making the files available to the Redmine server by a separate svn checkout process, so I just need to be ...