Wednesday, March 15, 2023
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Ruby on Bed Rails Advice


 # Bed Rails Console

.
application 
. helper.number _ to_currency( 10 )

. helper.number _ to_percentage( 42, accuracy: 2)

.

. User.where( created_at: 10. days.ago. Time.now)
 # IRB Console

. sort_options=[:id, :title, :author] 
.  # type= sort_options. consist of?( params[:sort]
)? params [:sort]:: id 
. # type=( sort_options. consist of?( params(*
)) & & params[:sort] )| |

.
:  params presence_in( sort_options)
|> |>.

:
id 
.

. 1 < => > 2[:sort]
#= > -1

. 10 < = > 2  # => > 1

. 10 < = > 10  # => > 0(*
)


.

.
cash= 9.5 
. "%.2 f"
% cash(
*) #= > "9.50"
(
*) 
. 
. % w {
.
a b}
 # = >  
. % i {a b}

(
*) #= >


. 
. year= 1972 
. situation year 
.

when 1970.
.1979: "Seventies" 
. when 1980..1989:" Eighties" 
. when 1990.

.1999:
" Nineties" 
. end  # Terminal < 
.
rails g design remark individual: belongs_to body: message- p 
.

. rails log: clear 
. 
.
tail- f log/development. log <|grep DEBUG 
. 
.
resemble' treasure:-- no-document' > > ~
/

.
gemrc 
. 
. EDITOR= code package open < GEMNAME > 
.
EDITOR= code treasure open < GEMNAME > 
. 
.
package obsolete["a", "b"] # models/profile. rb

.
course Account < ApplicationRecord 
.
belongs_to: individual 
. 
. delegate: e-mail, to:: individual 
.
[:a, :b] # def e-mail


.
#
user.email
 
.
 # end 
. end 
.

. # profile.email  # ~/. railsrc 
.
-- skip-spring 
.-- no-helper
 
.-- < no-assets  
.-- no-controller-specs 
.
-- no-view-specs # application_controller.
rb 
. course ApplicationController < ActionController:: Base 
.
def user_signed_in? 
.
 #! current_user. nil?

.!! current_user 
. end 
. end # Terminal
 
. thread include stimulation # app/javascript/packs/ application.js 
. import' controllers' # app/javascript/controllers/ index.js(
*
) 
. import {Application}
from" stimulation" 
. import {definitionsFromContext}
.

from" stimulus/webpack-helpers" 
. 
. const application= Application.start()

. const context = require.context(" controllers", real,/. js$/)

. application.load( definitionsFromContext( context)) # app/javascript/controllers/ hello/world _ controller.js

. import {Controller}

from"
stimulation" 
. 
. export default course prolongs Controller {

. boot up() {

. console.log(" HELLO GLOBE")

.
} 
.
<}
 # Sight 
. < div data-controller=" hello there-- globes">>
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