Category : ruby

Searching for binary rubies, this might take some time.No binary rubies available for: ubuntu/14.04/i386/ruby-2.1.1.Continuing with compilation. Please read ‘rvm help mount’ to get more information on binary rubies.Checking requirements for ubuntu.Requirements installation successful.Installing Ruby from source to: /home/frozen/.rvm/rubies/ruby-2.1.1, this may take a while depending on your cpu(s) …ruby-2.1.1 – #downloading ruby-2.1.1, this may take a ..

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Looking at the online saying that ruby is not suitable for development under windows, there will be many problems. Indeed, I have encountered several problems with unknown reasons. I installed ubuntu16.04 to try ruby, but there are still various problems whether I install ruby gem install rails from source code self-compilation or sudo apt-get. I ..

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Ruby novice, ask Great Xia for advice. First question:To_s should be a widely available method, to_str should be a String or a method that is unique to a few classes. Ruby does have many ways,https://ruby-china.org/topics/25311. Second question:The inspect return type is string, which returns a string that shows the current object for easy reading. Nil.inpsect ..

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URL´╝Ühttp://www.baidu.com/s? wd=site:www.cnblogs.comCode: def get_html(url) uri = URI(url) p resp = Net::HTTP.get(uri) end The result obtained is the source code of Baidu’s homepage, not a search.site:www.cnblogs.comResults of I don’t know, are there any good books on network programming in Ruby?I have just come into contact with ruby, and I don’t know where to find many things ..

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class Books < ActiveRecord::Migration def self.up create_table :books do |t| t.column :title, :string, :limit => 32, :null => false t.column :price, :float t.column :subject_id, :integer t.column :description, :text t.column :created_at, :timestamp end end def self.down drop_table :books end end In the rails migration code above: Are books symbols used to represent parameters? What are these ..

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I am a newcomer and do not know how to solve this problem. Please give me some advice. Thank you. Computer system: macOS Mojave 10.14.3 Last login: Fri Mar 1 08:51:08 on consolebogon:~ jinzesu$ /usr/bin/ruby -e “$(curl -fsSLhttps://raw.githubusercontent …)”==> This script will install:/usr/local/bin/brew/usr/local/share/doc/homebrew/usr/local/share/man/man1/brew.1/usr/local/share/zsh/site-functions/_brew/usr/local/etc/bash_completion.d/brew/usr/local/Homebrew==> The Xcode Command Line Tools will be installed. Press RETURN to continue ..

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Problem description Ruby gem cannot delete gem source The environmental background of the problem and what methods have you tried? Computer environment win10 x64The latest Ruby 2.6.1-1 (x64) installed successfully. Attempts to install a lower version of Ruby 2.3.3 (x64) have yet to resolve the issue. Related codes ruby 2.6.1p33 (2019-01-30 revision 66950) [x64-mingw32] C:Ruby26-x64bin>ruby ..

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This is my ruby and rails versions require ‘test_helper’ class SayControllerTest < ActionDispatch::IntegrationTest test “should get hello” do get say_hello_url assert_response :success end test “should say hello in json” do get say_hello_url assert_equal “{\”hello\”:\”Rails! \”}”, @response.body end test “should say hello in json” do get say_hello_url,{‘user’=>”Join”} assert_equal “{\”hello\”:\”Join! \”}”, @response.body end end The third paragraph ..

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When using ruby on rails, you often see Rails.env.development? Rails.env.production? Such an expression. I printed Rails.env directly and got the answer from development. After searching through the configuration files, I don’t know where it was configured. Is this the RAILS_ENV parameter specified at startup? Also, if this RAILS_ENV parameter is not passed, the default is ..

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I looked up the relevant topics about rails online on the website and they were all vague. Can a great god tell me the relevant settings of nginx?Are there any modules in nginx that need to be compiledI know apache has mod_ruby and eruby, but I can’t connect them even if I die. Rails app ..

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Ruby on railid is not displayed correctly. I tried to recreate the table in the terminal, but the ID was shown as 4. others suggested that I use each_with_index, but I don’t know where to put it. Related codes <div class=”container”><div class=”row”> <div class=”col-xs-3″> <ul class=”list-group”> <li class=”list-group-item”> Category <ul class=”list-group”> < li class=”list-group-item “> ..

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