質問編集履歴
1
コードの追加
test
CHANGED
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@@ -1 +1 @@
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1
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-
エラー文を解決した（ruby on rails）
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1
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+
エラー文を解決したい（ruby on rails）
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test
CHANGED
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@@ -5,3 +5,77 @@
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5
5
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エラー文の詳細
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6
6
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7
7
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undefined method `arity' for :deadlines:Symbol (NoMethodError)
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8
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+
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9
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10
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11
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#コード
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12
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13
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+
**deadline_controller.rb**
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14
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15
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```ruby
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16
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+
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17
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+
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18
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+
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19
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+
class DeadlineController < ApplicationController
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20
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+
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21
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def new
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22
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+
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23
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@deadline = Deadline.new
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24
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+
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25
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+
end
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26
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+
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27
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+
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28
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+
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29
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+
def create
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30
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+
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31
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binding.pry
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32
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+
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33
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+
end
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34
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+
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35
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+
end
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36
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+
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37
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+
```
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38
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+
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39
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+
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40
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+
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41
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+
**deadline.rb**
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42
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+
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43
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+
```ruby
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44
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+
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45
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+
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46
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+
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47
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class Deadline < ApplicationRecord
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48
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+
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49
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has_many :deadline_tasks
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50
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+
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51
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belongs_to :user
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52
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+
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53
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validates :name, presence: true, uniqueness: true
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54
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+
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55
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+
end
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56
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+
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57
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+
```
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58
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+
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59
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+
**20200924021651_create_deadlines.rb**
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60
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+
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61
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+
```ruby
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|
62
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+
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63
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+
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64
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+
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65
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+
class CreateDeadlines < ActiveRecord::Migration[6.0]
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66
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+
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67
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+
def change
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68
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+
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69
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create_table :deadlines do |t|
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70
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+
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71
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+
t.string :name, null: false
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72
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+
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73
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+
t.timestamps
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74
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+
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75
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+
end
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76
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+
|
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77
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+
end
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78
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+
|
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79
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+
end
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80
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+
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81
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+
```
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