make gem

discovery must verify first_name, last_name, automatically call name= method?) )3. You can then use different combinations of first and last names by @user. Name.xxx .Analysis: First look at three pictures:Figure 2Figure 3:@user. Name's internal operating mechanism:The first is a judgment:if @user. first_name Nameofperson::P ersonname.new (@user. first_name, @user. last_name) EndIf first_name exists, a new PersonName object is added, calling the Initialize method def Initialize (first, l

Write one of the simplest examples 1. Build the following folder Note: The Lib directory must have a RB file that is the same as your gem name. Copy Code code 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 Hola.gemspec

To give you illustrator software users to detailed analysis to share the design long drag shadow gem icon effect of the production tutorial. Tutorial Sharing: I. Drawing of Diamonds In my eyes, painting is a very interesting thing, it is to restore our lives on the basis of the addition of our imagination of the world (if you have enough imagination). So imagine the diamond you've seen before. What shape is it? Is it shine

Common Ruby Package Manager gem commands and common rubygem commands Gem-related commands 1. display the help and version of gemCopy codeThe Code is as follows:Gem-h/-- help# Display the help of gem Gem-v/-- version# Display the gem version number2. List all available softwa

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 ruby versioning tools such as RVM and rbenv, you can't avoid fal

Create your own gem and upload it to githubCreate your own gem and upload it to the github environment: centos7, git version 1.8.3.11. Create gem1 to install bundler# Gem install bundler2. Use bundler to create the framework required for gem# Bundler gem file_manipulate3. Mo

Environment: OSX EI 10.11.1After switching to the gem source yesterday, there was no problem with the pod installation, or it could be used$ gem Sources--add https://ruby.taobao.org/--remove https://rubygems.org/$ sudo gem install CocoapodsToday when the use of the time, under a project to execute pod install half a day or so no response, but the CTRL + C forced

After installing Ror, you plan to run a demo. Question 1, $ Ruby script/Server Rails requires rubygems> = 1.3.1 (You have 1.2.0). Please 'gem update -- system' and try again. Question 2, Execute as prompted:$ Sudo gem update -- SystemBut it prompts that the usage of -- system has been disabled:Error: While executing gem... (runtimeerror)

The following error is always reported when you install the gem. WARNING: RubyGems 1.2 + index not found: RubyGems will revert to legacy indexes degrading performance. Or the gem install is too slow or cannot be connected to timeout. You can install gem locally. First go to the gem official website http://rubygems.org/

Tags: str updating tran conf download gem COM online classRun ' bundle install ' or ' gem install mysql2′ ' encountered the following error > Gem install mysql2 Error: Error installing MYSQL2: The ' mysql2 ' native gem requires installed build tools . Please update your PATH to include build tools or download

Tag:bloghttpiofor Issues ctinewsql rails new demo--database=mysql last error Gem files would remain installed in d:/billfiles/rails_dev/ruby193/lib/ruby/gems/1.9.1/gems/mysql2-0.3.15 for Inspection. Results logged to D:/BILLFILES/RAILS_DEV/RUBY193/LIB/RUBY/GEMS/1.9.1/EXTENSIONS/X86-MINGW32/1.9.1/ Mysql2-0.3.15/gem_make.out An error occurred while installing MYSQL2 (0.3.15), and bundler cannot continue. Ma