質問編集履歴
2
文法の修正
test
CHANGED
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File without changes
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test
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@@ -111,3 +111,87 @@
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111
111
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undefined local variable or method `artist_id' for #<TrucksController:0x00000001cf1cb8> Did you mean? artist_index_url artist_index_path artist_url
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112
112
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113
113
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```
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114
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+
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115
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+
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116
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+
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117
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+
再追記
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118
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+
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119
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+
new.html.erb
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120
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+
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121
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```
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122
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+
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123
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+
<h1>Add Truck</h1>
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124
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+
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125
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+
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126
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+
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127
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+
<%= form_for (@artist, @truck]) do |f| %>
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128
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+
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129
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<%= hidden_field_tag "artist_id", @truck.truck_id %>
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130
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+
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131
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<%= f.text_field :title %><br>
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132
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+
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133
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<%= f.submit %>
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134
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+
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135
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<% end %>
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136
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+
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137
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```
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138
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+
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139
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+
trucks_controller.rb
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140
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+
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141
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```ここに言語を入力
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142
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+
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143
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class TrucksController < ApplicationController
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144
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+
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145
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def show
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146
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+
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147
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+
@truck = Truck.find params[:id]
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148
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+
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149
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+
end
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150
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+
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151
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+
def new
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152
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+
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153
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end
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154
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+
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155
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def create
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156
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+
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157
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@truck = Truck.new(truck_params)
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158
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+
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159
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@truck.save
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160
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+
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161
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+
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162
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+
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163
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+
redirect_to artist_truck_path(artist_id, @truck)
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164
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+
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165
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end
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166
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+
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167
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+
def truck_params
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168
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+
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169
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params.require(:truck).permit(:title)
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170
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+
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171
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end
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172
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+
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173
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end
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174
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+
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175
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```
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176
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+
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177
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+
routes.rb
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178
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+
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179
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+
```ここに言語を入力
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180
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+
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181
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get 'artist/index'
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182
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+
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183
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+
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184
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+
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185
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+
resources :artists do
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186
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+
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187
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+
resources :comments
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188
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+
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189
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+
resources :trucks
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190
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+
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191
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+
end
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192
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+
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193
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+
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194
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+
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195
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root 'artist#index'
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196
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+
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197
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+
```
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1
文法の修正
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -85,3 +85,29 @@
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|
85
85
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DELETE /artists/:artist_id/trucks/:id(.:format) trucks#destroy
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86
86
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87
87
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```
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88
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+
|
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89
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+
|
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90
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+
|
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91
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+
追記
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92
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+
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93
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+
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94
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+
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95
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+
redirect_to artist_truck_path(@artist, @truck)
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96
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+
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97
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+
```ここに言語を入力
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|
98
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+
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99
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+
ActionController::UrlGenerationError in TrucksController#create
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100
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+
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101
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+
No route matches {:action=>"show", :artist_id=>nil, :controller=>"trucks", :id=>"24"} missing required keys: [:artist_id]
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|
102
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+
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103
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+
```
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104
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+
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105
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+
redirect_to artist_truck_path(artist_id, @truck)
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106
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+
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|
107
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+
```ここに言語を入力
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108
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+
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|
109
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+
NameError in TrucksController#create
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|
110
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+
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|
111
|
+
undefined local variable or method `artist_id' for #<TrucksController:0x00000001cf1cb8> Did you mean? artist_index_url artist_index_path artist_url
|
|
112
|
+
|
|
113
|
+
```
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