How to Programming with Rubygems

ruby-on-rails,ruby,ruby-on-rails-4,rubygems

Your gem should have a lib directory. During development, you will need to get that lib directory added to Ruby's load path one way or another. You can add it in Ruby code. I wouldn't recommend doing that in your situation, but it is helpful to put something like this...

Ruby roo gem: comparison of Fixnum with nil failed (ArgumentError)

From looking at the code if seems that first_row will return nil if the default sheet (or the first sheet, if you did not assign a default sheet) does not have any non-empty lines. Check your file to see if maybe it is empty, or if the first sheet is...

Bundle update installs gems into ~/.rvm/gems/[email protected]_rails_4_0

ruby-on-rails,ruby,ruby-on-rails-4,rubygems,cancancan

The path ~/.rvm/gems/ indicates that you are using RVM. The name railstutorial_rails_4_0 after the @ is an RVM gemset. You likely have a .ruby-gemset file inside your project, containing the name of the gemset. RVM automatically switches to it when found....

Cancancan in a engine

I could solve my problem by updating Cancancan from 1.9.2 to actual 1.10.1 and compare my engine with the one from this post: https://github.com/CanCanCommunity/cancancan/issues/151#issuecomment-69487040

Twitter Boostrap in Rails

ruby-on-rails,ruby-on-rails-3,ruby-on-rails-4,twitter-bootstrap-3,rubygems

I was able to work it out by moving my project into another directory, preferably into a different folder.

How to install a rubygem from inside a ruby script and require this gem afterwards?

I found this discussion: https://www.ruby-forum.com/topic/131346 Obviously calling Gem.clear_paths solves the issue. In total: begin require 'progressbar' rescue LoadError => e puts "exception .. installing with gem" h = system 'gem install progressbar' puts "gem installed #{h}" Gem.clear_paths require 'progressbar' end pbar = ProgressBar.new("test", 100) 100.times {sleep(0.1); pbar.inc}; pbar.finish ...

How to list gem dependencies for some non-intalled gem?

ruby,nginx,rubygems,ubuntu-14.04,apt-get

Found the real answer to the question: RubyGems.org gem dependency rails Gem rails-4.1.6 actionmailer (= 4.1.6) actionpack (= 4.1.6) actionview (= 4.1.6) activemodel (= 4.1.6) activerecord (= 4.1.6) activesupport (= 4.1.6) bundler (< 2.0, >= 1.3.0) railties (= 4.1.6) sprockets-rails (~> 2.0) or Gemfile.lock rails (4.1.6) actionmailer (= 4.1.6) actionpack...

Can't install jekyll gem at linux (classifier-reborn ruby version error)

ruby,linux,rubygems,rvm,jekyll

I've found solution here I've reinstalled rvm and rubygems without sudo and then installed jekyll gem without sudo....

Installing nginx as a ruby gem vs using apt-get

Is there any difference in the functionality/limitations to installing it as a gem than by using apt-get? - I'm worried that it won't work for non-ruby applications if it is gem installed? There aren't any limitations on the version of Nginx that Passenger installs for you. You should be...

mysql ruby gem not installing on Windows 7

mysql,ruby,windows-7,gem,rubygems

The 'mysql' and 'mysql2' packages/extensions/gems don't work with the x64 bit version of Ruby on Windows 7 (or any 64 bit version of Windows). You need to install the x86 (32) bit version of Ruby for them to work. So I repeated step 3 in my question, and installed...

Rubygems: specify dependency on the latest version of a gem

ruby,gem,rubygems,bundler

How about something like this: require 'json' require 'uri' require 'open-uri' nokogiri_uri = URI('https://rubygems.org/api/v1/gems/nokogiri.json') version = nil open(nokogiri_uri) do |f| json_str = f.read puts json_str hash = JSON.parse json_str version = hash['version'] puts version end if version spec.add_dependency "nokogiri", version else puts "My gem won't work because its dependencies are...

Install ruby gem feedjira on codingground online coding platform

database,sqlite3,rubygems,sinatra,sequel

It showed that a dependency to libcurl was missing, wich is used by curb, which is a dependency of feedjira. Finally I switched to Cloud9 https://c9.io/ for simple online ruby programming, because it gives you more freedom. Unfortunately you have to sign up for this....

Calling another Gem as a program from my Gem

ruby,shell,command-line,gem,rubygems

You can add jekyll to your gems list of dependencies, by adding the following to your gem's .gemspec file. That means whenever someone installs your gem, jekyll would also be installed. spec.add_dependency 'jekyll' ...

How to use the “select * FROM” method for Sequel databases?

If you were doing this professionally, you'd split the app into layers. Inside the routes you'd be in the business or logic layer, and then you'd hand off data requests to the database layer. The database layer would likely be handled by and ORM (like Sequel, Datamapper, or ActiveRecord etc)...

how can I install gem from source on local machine? [duplicate]

ruby-on-rails,rubygems,rvm,nokogiri

if you have the full source code no need to use :git notation, just go to to folder and do gem build GEMNAME.gemspec gem install gemname-version.gem ...

Can't install Nokogiri 1.4.3 gem

I managed to get 1.4.7 to install by doing (close to) the following: git clone [email protected]:sparklemotion/nokogiri.git cd nokogiri gem install rake-compiler hoe racc rexical git checkout v1.4.7 # 1.4.3 in your case # edit ./ext/nokogiri/extconf.rb and replace `Config` with `RbConfig` rake install_deps rake install_gem Hopefully I didn't forget a step....

rake aborted! Ruby on rails

ruby-on-rails,ruby,ruby-on-rails-3,gem,rubygems

minitest-reporters is a separate gem from Minitest. You should add the following to your Gemfile: group :test do gem 'minitest-reporters' end Re-run bundle, and it should solve your problem....

OpenBSD unable to install therubyracer gem ERROR: Failed to build gem native extension

ruby-on-rails,ruby,rubygems,bundler,openbsd

I was unable to install therubyracer gem in OpenBSD. As a workaround, i have installed nodejs as javascript runtime using OpenBSD package manager. pkg install node and removed therubyracer gem from Gemfile. Then bundle install works fine without any issue....

Curb v 0.8.5 won't install on Ubuntu 14.04

ruby,gem,rubygems,ubuntu-14.04

The problem is likely with checking for Ruby 1.9 Hash... no (look for this string in your output.) It results in implicit declaration of function ‘RHASH’ and everything failed. I personally have no problem installing this gem on ruby2. I would suggest you to re-install ruby2 and that probably should...

Corrupted ruby gem system

ruby-on-rails,ruby,rubygems,bundler,travis-ci

First I suggest you save your gem list, just in case: $ gem list > gems.txt To verify that you're using the SPEC CACHE that you think you are: $ gem env | grep "SPEC CACHE" - SPEC CACHE DIRECTORY: /home/sawa/.gem/specs To see if you have any outdated sources: $...

Why is bundler insisting on an exact gem version number when the gemspec states an open constraint?

I must admit that is not Travis-specific problem. ⌚ 17:10:45 ▷ /tmp/koudoku ▷ ⭠ master ▷ bundle Fetching gem metadata from http://rubygems.org/....... Resolving dependencies........ Bundler could not find compatible versions for gem "rack": In Gemfile: rspec-rails (~> 2.14.0) ruby depends on actionpack (>= 3.0) ruby depends on rack (~> 1.2.1) ruby...

Getting a list of required gems

ruby-on-rails,rubygems,bundler,capistrano3

You can use Gem.loaded_specs It returns a Hash of gem names (as Strings) to Gem::Specification objects. See the Ruby documentation or the RubyGems documentation....

Ruby Gem or Rails App

ruby,cron,rubygems,whenever

My first question is, is this even gem-worthy? Yes. I would like to be able to make the gem usable on installation without having a user do anything. Use a ./bin directory that contains an executable script, that uses a sleep method. My advice is don't alter the user's...

How to change bundle environment when running the other ruby app

ruby,rubygems,bundler

I suspect you are looking for Bundler.with_clean_env: #/home/user/a/test.rb Bundler.with_clean_env do # this assumes b/test.rb sets up Bundler itself `/home/user/b/test.rb` end There is also clean_exec and clean_system which wrap system and exec, which might be simpler in this case (since you don’t use the result of the backticks): Bundler.clean_system '/home/user/b/test.rb' ...

capistrano regenerating wrappers error

Upgraded rake to v 10.4, added line set :bundle_flags, '--no-binstubs' to deploy.rb This fixed the problem!

accepts_nested_attributes_for creating duplicates

ruby-on-rails,ruby,ruby-on-rails-4,rubygems,strong-parameters

Your params: params = {"utf8"=>"✓" "article"=> { "data_id"=>"dfe9e32c-3e7c-4b33-96b6-53b123d70e7a", "name"=>"Mass", "description"=>"mass", "status"=>"active", "volume"=>"dfg", "issue"=>"srf", "iscode"=>"sdg", "image"=>{"title"=>"", "caption"=>"", "root_image_id"=>""}, "article_collections_attributes"=> [ {"name"=>"abcd", "type"=>"Special", "description"=>"content ","ordering_type"=>""} ] }, "commit"=>"Save", "id"=>"b8c8ad67-9b98-4705-8b01-8c3f00e55919"} You...

how to specify namespace in SOAP request with 'savon' gem?

ruby,soap,rubygems,savon

I noticed that on line 5820 of the WSDL file the location looks like this: <soap:address location="{endpoint address}"/> Could it be the problem? Edited 1. Open up in your browser: https://partnertest.payback.in/PBExternalServices/v1/soap?wsdl Search for {endpoint address} string on the page. I'm far from understand this particular WSDL document, but I wonder...

Rails Gem for twitter follow like functions between users

ruby-on-rails-4,gem,rubygems,twitter-follow

There are a couple gem solutions out there you might want to take a look at: Acts as Follower https://github.com/tcocca/acts_as_follower Amistad https://github.com/raw1z/amistad Whether or not you write from scratch is really a question of how much control you want over the final product. If you or someone you're working with/for...

Rails doesn't load actionform gem from Gemfile

ruby-on-rails,gem,rubygems,bundler

The problem is a mismatch between the gem name and the file inside the gem. Because the gem is named 'actionform', Bundler will try to require 'actionform', however the file is actually called action_form. You can tell Bundler the right file name with this syntax: gem 'actionform', :github => 'rails/actionform',...

Adding Ruby Gems to my PuPHPet provisioner

rubygems,vagrant,puppet,puphpet

You want the Ruby tab, in the Languages section. ...

Can't convert html.erb's to haml with the “erb2haml” gem on Windows

ruby-on-rails,ruby,ruby-on-rails-4,rubygems,haml

I found a really easy and good way. First install the "haml-rails" gem if you haven't already, then just insert rake haml:erb2haml in the Console. It converts all .erb views into .haml . Works very fast and flawless. ~ Cheers...

Figaro “undefined method `require_keys' for Figaro:Module (NoMethodError)”

ruby-on-rails,ruby,ruby-on-rails-4,rubygems,environment-variables

Figaro.require_keys was added in version 1.0. It was previously called Figaro.require. Either upgrade figaro to 1.x or use the require method. https://github.com/laserlemon/figaro/blame/master/CHANGELOG.md#L6...

How does an executable within a gem reference the greater gem?

ruby,rubygems,watir-webdriver,page-object-gem

I usually add the lib dir to the library load path ($:). You can add this to the top of your bin file. lib = File.expand_path('../../lib', __FILE__) $:.unshift(lib) unless $:.include?(lib) Then you can do a normal require: require 'videoplayer' Hope this helps....

Create PageObject elements inside a function

Your method should looks like this: def create_element(x) div_element(:id => "something-#{x}") end Method #div is Accessor. It only defines methods for you. It's been desigened to be used in the field of a class....

Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension Linux Mint

ruby,ruby-on-rails-4,heroku,rubygems,bundler

Try using an older version of ffi. For example, in your Gemfile, put: gem 'ffi', '1.9.3' ...

Executable gem - Windows

ruby,windows,rubygems

A gem is not executable itself, it is a bundled collection of Ruby scripts and other files which can be executable. You can compare it with a Zip file. The purpose is to easily distribute your projects tot other computers. When you gem install the gem and require the gem...

How do you protect your API key in your tests when you publish a gem with tests?

ruby,ruby-on-rails-4,rubygems,bundler

Broadly speaking, here are three approaches I have used in the past in similar situations. Which you choose will depend on the details your particular situation. Test user supplies API key If your test suite requires, or at least prefers, actual API calls with an actual API key, you can...

Rails rdoc Gem error/corruption issue

FYI - Seemed to be an issues with Bundler. Removed bundler and reinstalled and all seemingly ok.

Trouble running RubyGems on Redhat 5.5

ruby,rubygems,redhat

RedHat 5 ships with Ruby 1.8.5 and an equally old rubygems. Both, the rubygems and the ruby version is WAY too old to be supported by anything outside the base packages of the OS anymore. Even in the OS packages, they probably won't change anything on their own due to...

Unable to Setup Ruby Gems on Windows

ruby,windows,rubygems

I believe James is trying to install the rubygems following the instructions provided in RubyGems.org RubyInstaller had already installed rubygems for you so you don't need to to anything, you are ready to use Ruby! If you are trying to create a gem, then you just have to follow the...

Gems groups in the Gemfile for rails

ruby-on-rails,gem,rubygems

If you are using the exact gems for all of the environments, you don't need to specify it in group. You can find more about bundler groups here : http://yehudakatz.com/2010/05/09/the-how-and-why-of-bundler-groups/ http://bundler.io/v1.3/groups.html...

Where to get versions suitability sheet of neat and bourbon?

sass,rubygems,bourbon

The compatibility issues that Bourbon had with Libsass got sorted out quite some time ago, and that thread is from last year. Do you mind posting your compiling error? If you try to install a gem without a version, it will grab the newest one, so you would want to...

gem install fails with “Could not find a valid gem 'yaml'”

ruby-on-rails,windows,rubygems,bundler,hiredis

There is no yaml gem (https://rubygems.org/search?query=yaml). yaml is part of Ruby. Therefore just remove s.add_runtime_dependency 'yaml' from your gemspec and just add require 'yaml' to the file in which you want to use YAML.

Run “Bundle Install” w/o Installing a Specific Dependency Gem - Rails

You can find the gem which uses the hiredis, from the Gemfile.lock. Search for hiredis, and check to see under which Gem is that hiredis appearing.

How to access the class name inside the gem code

ruby-on-rails-4,nginx,rubygems

Ok I figured this out, @ChrisHeald's answer was close to correct, but a small detail was messing this up, here's what worked for me module LocalInstanceMethods def self.included(klass) define_method "other_#{klass.name.underscore.pluralize}" do end end end The part class < klass was messing up the self and klass variables together, without it...

How do I compile a C program to use with my ruby gem via the C program's command line interface?

ruby-on-rails,c,ruby,gem,rubygems

This ended up being how I 'solved' the problem. A bit of a hack, but functional. https://github.com/NullVoxPopuli/kdiff3-rb/blob/master/ext/kdiff3/extconf.rb # Unconventional way of extconf-ing # http://yorickpeterse.com/articles/hacking-extconf-rb/ require 'mkmf' # Stops the installation process if one of these commands is not found in # $PATH. find_executable('make') find_executable('qmake') # create fake Makefile, courtesy of...

How to connect development mode rails app with nginx server?

Install nginx Install Passenger Set nginx.conf file according to you Start nginx Go through localhost your nginx page will start gem install passenger in your project passenger-install-nginx-module passenger start For more details got through this link: https://www.phusionpassenger.com/documentation/Users%20guide%20Nginx.html#install_on_debian_ubuntu...

Error installing Ruby in Rails in Maverick

ruby-on-rails,rubygems,extconf.rb

Run this command: xcode-select --install ...

Connecting to a SQL server using watir web driver

ruby,sql-server,automation,rubygems,watir-webdriver

As Aetherus has said in the comments, watir-webdriver is only an automation tool for web browsers. It runs in ruby, which means that to get the values from the SQL database you can use any ruby gem you like. A good suggestion would be TinyTDS - https://github.com/rails-sqlserver/tiny_tds.

Installing optipng with homebrew: command not found (rbenv?)

osx,terminal,rubygems,homebrew,rbenv

Ok i found out that I had the image_optim_bin gem in one of my projects installed, after uninstalling this gem for all ruby versions, the command finally works! $ gem uninstall image_optim_bin Remove executables: advdef, advmng, advpng, advzip, jpegoptim, jpegtran, optipng, pngcrush, pngout in addition to the gem? [Yn] Removing...

How to add require 'zip/zip' and 'zip' in Gem file

ruby-on-rails,rubygems,rubyzip

The zip-zip is gem so you can write it in Gemfile. The zip however is an Array method, so you can use it without having to require.

Ruby byebug never stops

ruby-on-rails,ruby,gem,rubygems,byebug

I had downgrade to a lower version of byebug and it works. Not sure what incompatibilities there may have been with the latest version. Using 3.5.1 worked for me. gem 'byebug', '~> 3.5.1' ...

Syntax error with rubygem elasticsearch

ruby,elasticsearch,rubygems

You seem to use Ruby prior to 1.9 version. If so, either update Ruby (which is recommended), or use old rocket-hash syntax: client = Elasticsearch.new :log => true ...

Ruby gem install

ruby-on-rails,error-handling,rubygems

When i use gem install ocra the latest version is being installed, version 1.3.4 If you want another version you do it like this C:\devkit>gem install ocra -v 1.3.1 Successfully installed ocra-1.3.1 1 gem installed Installing ri documentation for ocra-1.3.1... Installing RDoc documentation for ocra-1.3.1... ...

Gem::RemoteFetcher::FetcherError::SSL_connect returned=1 erno=0 state=SSLw3

Found a solution. gem source -r https://rubygems.org/ gem source -a http://rubygems.org/ Remove the secure URL, add an unsecure one. My gems are now updating without issues....

Ruby on Rails 4.2.2 ArgumentError (wrong number of arguments (2 for 1)) [duplicate]

ruby-on-rails,ruby,rubygems

The log mentions version 1.6.3 of rack. Try adding gem 'rack', '1.6.2' to your Gemfile and running bundle update rack from the command line. Restart your server. That seems to work, for now.

webdriver-user-agent gem classes not included in Rails model

ruby-on-rails,ruby,rubygems,watir-webdriver

You are trying to look for the module: WebDriver However, the webdriver-user-agent gem uses the module: Webdriver Notice the difference in the lowercase 'd'. Class and module names are case-sensitive, which is why the constant is not being found. The function should work by correcting the module name: class SomeModel...

qpid_messaging ruby gem compilation fails (Apache Qpid messaging api)

ubuntu,compilation,rubygems,qpid

Meanwhile I solved the issue. I fetched the last stable cpp from https://qpid.apache.org/components/cpp-broker/index.html and compiled and installed it with cmake, then gem installs succesfully

gem: command not found

ruby,rubygems,docker

I have found the answer - use -c -l: ~ » docker run -it -v /mnt/lacie/online/btsync/development:/src stack_rvm /bin/bash -c -l /src/build.sh ...

Using command-line gem 'github-pages-health-check' fails on Mac OS X with rvm

ruby-on-rails,ruby,ruby-on-rails-4,ruby-on-rails-3.2,rubygems

Perhaps you're simply misunderstanding how to use this gem – where are you getting the impression it comes with a check binary? I found the gem source on GitHub. The README doesn't mention such a binary. It does mention a local variable by that name, in Ruby code. Nor is...

How do I upload a gem to geminabox?

rubygems,geminabox

You have to upload a .gem file.

Parsing a JSON string with multiple keys

ruby,json,rubygems

You've almost got it. "value" contains an array which is what you want to loop through. Each element of that array contains a name which is what you want to access. parsed["value"].each do |record| p record["name"] end ...

How to use pry-byebug in an example script for a gem?

ruby,debugging,gem,rubygems,pry

Ok, looking into this more I realized (I think...still kind of new to the game) a couple things -- 1.) If you want to if have require 'pry' at the top of your ruby file and have it work in general, it would help to install it in your development...

To generate one for the first time: rails generate symmetric_encryption:config, getting warning, how to fix?

It is mean that your application using symmetric-encryption gem. Here is detail information about configuration of this gem.

How can I run a custom version of dpl on Travis CI?

rubygems,travis-ci

The use of edge: local is currently broken in the Travis build environment, caused by ruby gems version 2.4.5. Ruby gems v1.x the --local flag would scan the current working directory for gems of any version. However ruby gems v2.x no longer does this and requires you to use the...

Cannot require ruby files from a directory other then the one with main files (LoadError)

ruby,gem,rubygems,require

require searches in your $LOAD_PATH. require should generally be used if you want to use a gem that is installed on your system. For your purposes you want to use require_relative: require_relative 'riverbattle/version' Note that at first glance require './riverbattle/version' might also seem to work. However, . here points to...

How can i parse a user object to return a screen name and move on to my next step?

javascript,json,api,twitter,rubygems

You need to [ require 'json' ] at the beginning of your code. Your username will be encoded in response.body, but you need to call JSON.parse on it to decode it properly. So you have to answer after # ADD CODE TO PARSE THE RESPONSE BODY HERE : user =...

Bundler: using shared gem when it exists, rather than downloading from gem server

ruby,gem,rubygems,bundler,gemfile

This is the current behavior. When running gem install, directly or via bundle install, gem will first build a dependency graph with all the needed gems. If the gem is found locally it will use it, otherwise it will try to download it from the specified source. If you want,...

How to install a ruby gem

ruby,gem,rubygems,colorize

You can install the gem using your CLI simply by typing: gem install colorize. Then you can use them gem by requiring it, so at the top of your .rb file add require 'colorize'. Then just test it out by trying puts "This is blue".colorize(:blue). Your .rb could look like...

Cannot load gem during gem pristine

ruby-on-rails,ruby,rubygems,ubuntu-14.04

Hi all I ended up finding a post that recommended I just reinstall ruby again. Seeing no other choice I did a rvm uninstall ruby then a rvm install ruby and set everything else back up and it went well. Unsatisfying but true :-P

Make responders gem a dependency in gemspec?

ruby-on-rails,heroku,rubygems,bundler

I was being too strict with the gem dependency. It needed to be: s.add_dependency 'responders', '~> 2.0' ...

Rails Heroku error of bundle?

You didn't run migration on production server. Run: heroku run bundle exec rake db:migrate ...

Failed to build native extension while installing oily_png

ruby,rubygems,devkit

After a while of googling, I found this issue on the rubygems Github One of the suggested solutions is to downgrade rubygems to 2.3 (I had 2.4 installed) gem update --system 2.3.0 This fixed the problem for me and my bundle completed successfully....

How do I send simple mails from a gem, without requiring ActionMailer, but using its configuration if present?

ruby,email,configuration,rubygems,actionmailer

I figured it out. Basically, wrap_delivery_behavior is what copies the ActionMailer configuration into Mail, so calling wrap_delivery_behavior if ActionMailer is defined solves the problem: mail = Mail.new do from recipient to recipient subject subject body body end if defined?(ActionMailer) ActionMailer::Base.wrap_delivery_behavior(mail) end mail.deliver! That works exactly as I needed it to...

how to customize the gem: pace-rails default option startOnPageLoad in rails 4

ruby-on-rails-4,rubygems

finally, I choose gem nprogress to show the progress bar, thank you

Destroying UpVotes on acts_as_votable

ruby-on-rails,ruby,rubygems,public-activity

For anyone that stumbles across this in future, thanks to Element119 I was eventually able to pinpoint the current users likes on a particular post with a few variables and arel searches. I then destroyed the pinpointed likes. def like @post.create_activity :like, owner: current_user, recipient: @post.user @post.upvote_by current_user redirect_to :back...

using devise WITHOUT the gem, can I simply copy the files?

ruby-on-rails,ruby,devise,gem,rubygems

See http://bundler.io/v1.5/git.html Bundler also allows you to work against a git repository locally instead of using the remote version. This can be achieved by setting up a local override: bundle config local.GEM_NAME /path/to/local/git/repository Also http://ryanbigg.com/2013/08/bundler-local-paths/ "There's a little known feature of Bundler that allows you to use a local Git...

rubygems error installing rails

You are trying to install the wrong package. In modern Ruby, rubygems come as part of it. The message you got also says so. Even if there were a problem on the server side, not being able to download something through apt-get has nothing to do with whether rubygems site...

Install a gem locally for development