NoMethodError: undefined method ` validate' (custom validate) RAILS 3 -


मेरी item.rb 

  # एन्कोडिंग: utf-8 class मद & lt; ActiveRecord :: बेस attr_accessible: asin,: डोमेन,: formatted_price,: user_id मान्य: डबल_डेट्स निजी डीएफ़ डबल_डेट्स यदि आइटम। जहां (: user_id = & gt; self.user_id,: asin = & gt; स्व .asin,: domain = & gt; self.domain) .where ("DATE ​​(created_at) =?", Date.today) .length == 1 त्रुटियाँ.एड (: created_at, "कोई डबल तिथियां नहीं ") अंत की समाप्ति   
 त्रुटि संदेश:  
  स्क्रिप्ट / रेल से: 6:` & lt; main & gt; 'irb (मुख्य): 028: 0 & gt; मद.नईम विधि विधि: # & lt; वर्ग: 0x007fb054ce7690 & gt; के लिए अनिवार्य विधि 'मान्य' से .rvm / gems / ruby-1.9.3-p327 / रत्न / activerecord-3.2.13 / lib / active_record / dynamic_matchers.rb: 55: `method_missing 'में ...    
 
 
 इसका जवाब देने के बाद, एक वास्तविक उत्तर पोस्ट करें:  
 `मान्य 'अजीब लग रहा था, इससे पहले एक विशेष चरित्र v हटाया जाना चाहिए।

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