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Ruby Gem command and rubygem command I. Introduction Gem is a standard package for managing Ruby libraries and programs. It is very convenient to find, install, upgrade, and uninstall software packages through Ruby Gem (such as http://rubygems.org/) sources. Ruby Gem is installed in Ruby 1.9.2 by default. If you are u
GEM-related commands use 1. Show help and version of Gem Copy Code code as follows: Gem–h/--help #显示gem的帮助 Gem–v/--version#显示gem的版本号 2. List all available software for the remote library Copy Co
Transferred from: http://www.jianshu.com/p/728184da1699Gem Introduction:Gem is a standard package for managing Ruby libraries and programs, and it is easy to find, install, upgrade, and uninstall packages through Ruby Gems such as http://rubygems.org/.Ruby 1.9. Version 2 has the Ruby Gem installed by default, and if you are using a different distribution, see "How to Install Ruby Gem".How to install the Rub
Ruby-v # view the ruby VERSION ruby-e '''require "watir"; puts Watir: IE: version'' # view the watir VERSION Rvm list known # list known ruby versions Rvm install 1.9.3 Rvm use 1.9.3 | rvm use system Rvm use 1.9.3 -- default Rvm list # list local ruby versions Rvm remove 1.9.2 For details, see RVM practical guide https://ruby-china.org/wiki/rvm-guide. Gem-v # gem version
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
Soul gem (1s 128MB) soulgem"Problem description""As the soul of your body, in order to be able to better use the magic, has been given a small and safe form ..."We know that the life of a magical maiden is stored in a device called Soul Gem (Soul Gem). And sometimes, when the soul Jewel is farther away from the body, the magical girl is unable to control her body
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
Ruby + gem common commands: ruby-e amp; #39; amp; #39; require quot; watir quot; putsWatir: IE: VERSION amp; #39; amp; #39; # View watir version gem-v # gem version gemupdate # Update all packages gemupdate -- s ruby + gem common commands ruby-e '''require "watir"; puts Watir: IE :: VERSION ''# View watir VERSION
it should always be the first gem you install on the system. Rake is a build tool that is similar to make, but it allows Ruby to write Rakefile (how to build a definition file) that uses a particular DSL (Domain-specific language, domain-specific language), Provides high readability while maintaining the power of Ruby. Rails uses rake extensions to accomplish a variety of tasks, such as database initializa
Ruby-v #查看ruby version ruby-e ' require ' watir; Puts Watir::ie::version ' #查看watir版本 RVM list Known #列出已知的ruby版本 RVM Install 1.9.3 RVM Use 1.9.3 | RVM Use System RVM Use 1.9.3--default RVM List #列出本地ruby版本 RVM Remove 1.9.2 See RVM Practical Guide for specific details https://ruby-china.org/wiki/rvm-guide Gem-v #gem版本 Gem Source #
Ruby + gem Common commands: ruby-e ''require "watir"; puts Watir: IE :: VERSION ''# view watir VERSION gem-v # gem VERSION gem update # update all packages gem update -- system # update RubyGems software gem install rake # install
As shown in the following figure. 1. Document creation First, create a new file in Photoshop. I use a small size for 300x300 pixels, the default resolution (72), which may be a good idea if you want to make a larger icon after resizing. You may want to add a nice, simple background. Now, just use the light gradient background. 2. Enable grid/Create graphics Now, let's start the gem
Very beautiful transparent texture gem text effect, only need to use the layer style, just set the parameter changes, can make a lot of effect. Effect Chart: 1. Create a new document, width 600, height 340. 2. Create an adjustment layer, select the gradient, and make the following changes, and create the way your background is displayed:
want to view the help of the install command separately, you can use the NPM helper install--------------------------------------------------------------------------------------------------------Gem-v #gem版本Gem Update #更新所有包Gem Update--system #更新RubyGems软件Gem install Rake #
this article at the end of the process. Copy and paste (CTRL-C>CTRL-F) the upper-right portion of the gem, and then shrink it a little bit and fill it with a linear gradient: Dark Yellow ((r=209,g=181,b=96) to black. The blending mode is changed to filter color, so we make a high light on the system. We then use the mirroring tool to vertically mirror the left side of the high light, as shown in t
Tutorial on creating a custom Ruby gem package, rubygem Write a simple example 1. Create the following folder Note: The lib directory must have a rb file with the same name as your gem. Copy codeThe Code is as follows:$ Cd hola$ Tree.├ ── Hola. gemspec── Lib└ ── Hola. rb 2. write code . Hola. rb % cat lib/hola.rb class Hola def self.hi puts "Hello world!" end end . Hola. gemspec % cat ho
Ruby on rails gem install pg cannot be installed, rubyrails gem install pg -v '0.18.2'Building native extensions. This could take a while...ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext/Users/bevan/.rvm/rubies/ruby-2.3.0/bin/ruby -r ./siteconf20160226-49308-
[Android Development] example 4-guess the box in which the gem is stored, android4-A mini game that implements "Guess which box the gem is placed in": There are three boxes in the main interface. clicking any box will open the box and show whether there are any gems in it, in addition, the box that has not been clicked is set to semi-transparent. The box that has been clicked is displayed normally, and the
Label:"' Block in Replace_gem ' when executing rails s: Install the MYSQL2 adapter: ' Gem install Activerecord-mysql2-adapter '" Error: [Email protected]:/var/www/ashelf$ Rails S=booting Webrick= Rails3.2.22.1Application startinginchDevelopment on http://0.0.0.0:3000= = Call with-D to detach= CtrlC to shutdown server Exiting/home/diudiugirl/.rvm/gems/ruby-2.3.0/gems/bundler-1.11.2/LIB/BUNDLER/RUBYGEMS_INTEGRATION.RB:314:inch' BlockinchReplace_gem': Pl
. At this point, use the "ctrl+[" to place the rectangle at the bottom of the diamond and at the top of the circular background. Then select both the rounded background and the rectangle, using the Shape Builder tool, while holding down the ALT key, click the part of the unwanted rectangle outside the circular background. After processing the effect is as follows: Add a gradient to the rectangle, and the gradient mode is 45 degrees, and the gradient color is over
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