Ynote

# SEE CONFIGURATION ON: https://github.com/rails/rails/blob/main/guides/source/configuring.md#configuring-active-storage

# Delete variations when config.active_storage.track_variants = true
my_model_instance.image.service.delete_prefixed(my_model_instance.image.key)

# List all variations on a model
# Here, `my_model_attachment_name` refers to the name I give to the attachment with the `:has_one_attached` macro.
# cf. https://edgeguides.rubyonrails.org/active_storage_overview.html
my_model_attachment_name = "image"
my_model_variations_transformations = MyModel.attachment_reflections[my_model_attachment_name].variants.keys.map do |variant_name|

Ynote

# spec/fixtures/usernames.rb
USERNAMES = ['hermione.granger',
             'ron.weasley',
             'harry.potter',
             'fred.weasley',
             'georges.weasley',
             'luna.lovegood',
             'ginny.weasley',
             'draco.malfoy',
             'albus.dumbledore',

Ynote

Keybase proof

I hereby claim:

• I am ynote on github.
• I am ynote_hk (https://keybase.io/ynote_hk) on keybase.
• I have a public key ASBUyKlcxMZ0n0D1EUCtrQuQwe43DWkoWoovrueauglu4go

To claim this, I am signing this object:

Ynote

class Snail
  def initialize(data)
    @data = data
    @direction = :right
  end

  def call
    values = []
    values << get(x, y) while move
    values

Ynote

// ========== Stubs and mocks ==========

// Using sinon-test and sinon-chai

import chai, { expect } from 'chai'
import sinon from 'sinon'
import sinonChai from 'sinon-chai'

global.chai = chai
global.expect = expect

Ynote

import isPlainNumber from 'is-plain-number'
import isStringANumber from 'is-string-a-number'

isPlainNumber('42')     // true
isStringANumber('42')   // true

isPlainNumber('42e4')   // false
isStringANumber('42e4') // false

isPlainNumber(42e4)     // true

Ynote

import isPlainNumber from 'is-plain-number'

isPlainNumber('42')   // => true
isPlainNumber('42.2') // => true
isPlainNumber('42e4') // => false
isPlainNumber('0x2a') // => false

Ynote

var value = 42e4 // => 420000
var float = parseFloat(value) // => 420000

return String(float) === String(value)
// => true 
// => String(float) => String(420000) => '420000'
// => String(value) => String(420000) => '420000'

Ynote

var value = '42e4' // => '42e4'
var float = parseFloat(value) // => 420000

return String(float) === String(value)
// => false 
// => String(float) => String(420000) => '420000'
// => String(value) => String('42e4') => '42e4'

Ynote

var value = '4200000000000000000000' // => '4200000000000000000000'
var float = parseFloat(value) // => 4.2e+21

return String(float) === String(value)
// => false
// => String(float) => String(4.2e+21) => '4.2e+21'
// => String(value) => String('4200000000000000000000') => '4200000000000000000000'