ruby build gem

Ruby-V # view Ruby version Ruby-e ''require "watir"; puts watir: IE: version'' # view watir versionGem-V # gem versionGem update # update all packagesGem update -- System # update rubygems SoftwareGem install rake # Install rake from a local or remote serverGem install rake -- remote # Install rake from a remote serve

Why is there this?Due to domestic network reasons (you know), the intermittent connection to the resource file that rubygems.org stored on Amazon S3 failed. So you will encounter gem install rack or bundle install when the time is not responding, specifically can be used gem install rails -V to view the execution process.This is a full rubygems.org image, you can use this instead of the official version, th

In my previous blog post, I documented how Ruby operates the environment configuration of the MongoDB database in a Windows environment. The last step describes the driver package for installing MongoDB. Using the Gem Online installation method. The purpose of this article is to use GEMS for offline installation of GEM kits when the target machine or environment

Ruby language upgrades are still more diligent. But a large number of versions make library compatibility a big problem. Some gems indicate that Ruby is explicitly unsupported by a particular version, while some gems are incompatible with a higher version. In addition, the gem itself has a version, it is simply chaos into a porridge. Even with

May be the cause of the national firewall package, the installation of Railsinstaller after the execution always error, Bundle InstallDL is deprecated, fiddleFetching gem metadata from https://rubygems.org/.....Resolving dependencies ... Gem::remotefetcher::fetcherror:ssl_connect returned=1 errno=0 State=sslv3 ReadServer certificate b:certificate verify failed (https://rubygems.org/gems/rake-1

Install and use bundler in Ruby to manage multiple versions of gem and rubybundler With rbenv to manage a multi-version ruby environment, we also need a tool that can manage multiple versions of gem (such as rails), that is, bundler. The project background is not detailed, for more information, visit http://bundler.io/

Rescue star for spelling mistakes in Ruby programming: did_you_mean gem I often encounter spelling errors in Ruby development when class names or method names are misspelled. But I don't know it's just a spelling mistake. I will repeat it: "It's so strange. It looks okay ..." I often waste a lot of time on this kind of thing, but the reason m

GEM::INSTALLERROR:NET-SSH requires Ruby version >= 2.0Modify Gemfile, change versionGem'Unicorn'group:test,:d evelopment do gem"rspec-rails",">= 2.5.0"Gem'Factory_girl','2.6.4'Gem'factory_girl_rails','1.7.0'Gem'Faker','1.1.2'Gem'Forgery','0.5.0'Gem'magic_encoding','0.0.2'Gem'Email_spec','1.4.0'Gem'Net-ssh','~> 2.0'Gem'Capistrano','~> 2.15.7'Gem'capistrano-rbenv',

, let's create the controller first. The command line is as follows: Ruby script/generate Controller Hello This produces a controller that corresponds to the c:/rubydev/first/app/controllers hello_controller.rb Create an action, which is to modify the contents of the C:/rubydev/first/app/controllers hello_controller.rb file as follows: Class Hellocontroller def thereEndEnd Step Seventh: Write the there.rhtml below the/app/views/hello directory, which

Recently participated in the seven-cow demo contest, decided to use Ruby development. So I ran into some questions and then solved them, and here's a record. In Ruby, Gem is a very common thing, it is the equivalent of Plug-ins, Ruby has a lot of great gems, to avoid the repetition of our wheels, my demo need to insta

Release date:Updated on: 2013-05-19 Affected Systems:Rubygems cremefraiche 0.6Description:--------------------------------------------------------------------------------CVE (CAN) ID: CVE-2013-2090Creme Fraiche gem for Ruby convertible email to PDF.Creme Fraiche gem for Ruby 0.6.0 function "set_meta_data ()" function

Document reprinted by Fire Site Building InstituteTo install the oracle driver using gem in ruby on rails, see the original article: Reference content is as follows:[1] viewing locally installed plug-insGem list orGem list -- local[2] viewing remote available plug-insGem list -- romote[3] viewing oracle driversGem list -- remote | grep oracleThe result is as follows:Activerecord-oracle_enhanced

Label: I/O, AR, SP on C file BSThis problem found during development todayThe per function of kaminari cannot be used in any configuration, and the page size is fixed at 30.At first, I thought it was the gem of ransack. I searched the internet for a long time and found that noFinally, check carefully. It turns out that the gemfile contains will_pagination. After you delete it, everything will return to normal.After you use kaminari in

Tags: mysql gem ruby xampp windowsYou may need to generate LIBMYSQLCLIENT.A from Libmysql.dll before: sourceCD C:\xampp-1.8.3\mysql\libC:\DevKit-tdm-32-4.5.2-20111229-1559-sfx\devkitvars.batPexports.exe Libmysql.dll > Libmysql.defSource: C:\strawberry\c\bin\pexports. EXE Fortunately installed Perl, or do not know where to find this pexports tool under theDlltool--input-def libmysql.def--dllname libmysql.dll

Multiple Ruby dragonfly Gem Remote Command Execution Vulnerabilities Release date:Updated on: Affected Systems:Dragonfly 1.0.5Description:--------------------------------------------------------------------------------Bugtraq id: 69395Dragonfly is an Rack framework for dynamic image processing.Dragonfly 1.0.5 and other versions have multiple Remote Command Execution Vulnerabilities. Attackers can exploit

The Ruby on Rails Web site says that running gem install rails after installing Ruby is good. But the whole process took me a couple of hours. First of all, OpenSUSE 13.1 comes with Ruby 2.0.0p-247, and I offload Ruby because I intend to use rbenv to manage

Ruby on Rails Session 1: How to Build a Ruby on Rails on the Ubuntu., railsubuntuAbout Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of web applications. ruby