Merge 7aad80f9d6 into d143c60246

swap current line with previous

backend/ruby_on_rails.rb

@@ -0,0 +1,114 @@
+# The Rails Command Line
+# For more info see: https://guides.rubyonrails.org/command_line.html
+
+# Attention!!!
+# In Rails 4 some commands need replace `rails` to `rake`
+# For more info see: https://github.com/rails/rails/pull/22288
+#
+# If commands not working, you can run them as:
+# `bin/rails <command> <arg>` or `bundle exec rails <command> <arg>`
+
+
+# Create new project
+rails new project_name
+
+# with the version number of the framework
+rails _4.2.7_ new old_project_name
+
+
+
+# Run server (for development)
+rails server
+rails s # shortcut
+
+# Run sever listen 3200 port on all network interfaces
+rails s -b 0.0.0.0 -p 3200
+
+
+
+# Run console
+rails console
+rails c # shortcut
+
+# Run console in test environment
+rails console test
+
+# Run console in sandbox (all transactions and changes will be canceled)
+rails console --sandbox
+
+
+
+# Create model
+rails generation model Product title:string body:text
+rails g model ProductItem product:references 'price:decimal{8,2}'
+
+# Delete a generated model template
+rails destroy model Product
+rails d model ProductItem
+
+
+
+# Create controller
+# Controller name is better to use in the plural
+rails generate controller Users index show new create edit update destroy
+rails g controller Pages index show
+
+# Create a controller in the namespace
+rails g controller api/v1/users index show create update destroy
+
+# Delete a generated controller template
+rails destroy controller Users
+rails d controller Pages
+
+
+
+# Create migration
+rails g migration AddAwesomeFieldToProduct awesome_field:string
+
+# Delete a generated migration template
+rails d migration AddAwesomeFieldToProduct
+
+
+
+# Create mailer
+rails g mailer UserMailer account_activation password_reset
+
+
+
+# Create channel (ActionCable, websockets)
+rails g channel Room
+
+
+
+# Create database
+rails db:create
+
+# Drop database
+rails db:drop
+
+# Load seeds (default data in database)
+rails db:seed
+
+# Perform migration
+rails db:migrate
+rake db:migrate # in Rails 4
+
+# Rollback migration
+rails db:rollback
+rails db:rollback STEP=3 # rollback 3 last migration
+
+
+
+# View all available routes in the app
+# In the dev environment you can see routes in http://localhost:3000/rails/info/routes
+rails routes
+
+
+
+# View project code metrics
+rails stats
+
+
+
+# Run the script in a Rails environment
+rails runner path/to/script.rb

frontend/html5.html

@@ -185,7 +185,6 @@ width=""                                          <!-- Describes the width of th
 <!-- Some other useful tags -->
 
 <canvas></canvas>                                 <!-- Allows to draw 2D shapes on the web page with the help of javascript -->
-<keygen>                                          <!-- Represents a control for generating a public-private key pair -->
 <map></map>                                       <!-- Specifies an image map -->
 
 <!-- Collective Character Obejcts -->

tools/vim.txt

@@ -105,7 +105,7 @@ gu$                 make lowercase until end of line
 <<                  indent line one column to left
 ==                  auto-indent current line
 ddp                 swap current line with next
-ddkp                swap current line with previous
+ddkP                swap current line with previous
 :%retab             fix spaces / tabs issues in whole file
 :r [name]           insert the file [name] below the cursor.
 :r !{cmd}           execute {cmd} and insert its standard output below the cursor.