[Rails] Re: Using standard validation methods in custom validation metho

> Well, if the column will hold numbers sure there is an advantage. You > can perform arithmetic and numeric comparisons. You can sort based on > the natural order of numbers, not based on lexicographical order. Yeah, that's true enough. I'll get it changed as I want to do everything properly.

[Rails] Re: Using standard validation methods in custom validation metho

Jim Burgess wrote: > Thanks for your reply > >> Looks like a case for allow_nil: >> >> validates_numericality_of :children, :allow_nil => true > > I created the field 'children' as a string (can't remember why, perhaps > because someone might enter 'none'??), so that doesn't work. > > Is ther

[Rails] Re: Using standard validation methods in custom validation metho

Thanks for your reply > Looks like a case for allow_nil: > > validates_numericality_of :children, :allow_nil => true I created the field 'children' as a string (can't remember why, perhaps because someone might enter 'none'??), so that doesn't work. Is there any big advantage to changing the

[Rails] Re: Using standard validation methods in custom validation metho

Jim Burgess wrote: > >> you can even shorten that to >> >> validates_numericality_of :children, :if => Proc.new { |applicant| >> applicant.children !="" } >> > Looks like a case for allow_nil: validates_numericality_of :children, :allow_nil => true The documentation at http://ar.rubyonrails

[Rails] Re: Using standard validation methods in custom validation metho

> you can even shorten that to > > validates_numericality_of :children, :if => Proc.new { |applicant| > applicant.children !="" } > Cool! Thanks a lot. -- Posted via http://www.ruby-forum.com/. --~--~-~--~~~---~--~~ You received this message because you are su

[Rails] Re: Using standard validation methods in custom validation metho

On 15 May 2009, at 10:24, Jim Burgess wrote: > > Wow, that's very cool. > I changed the line to: > > validates_numericality_of :children, :if => Proc.new { |applicant| > true > if applicant.children !="" } you can even shorten that to validates_numericality_of :children, :if => Proc.new { |a

[Rails] Re: Using standard validation methods in custom validation metho

Wow, that's very cool. I changed the line to: validates_numericality_of :children, :if => Proc.new { |applicant| true if applicant.children !="" } and that does exactly what I want. Thanks for your time and help, Fred. -- Posted via http://www.ruby-forum.com/. --~--~-~--~~---

[Rails] Re: Using standard validation methods in custom validation metho

On May 15, 9:15 am, Jim Burgess wrote: > Hi, > > Is it possible to use standard validation methods in custom validation > methods? > eg: > > def check_children >   if children != "" >     validates_numericality_of :children >   end > end > > When I run this code I get a no method error: > > und