search for: rationaly

Are there any rationalies to make queries obtained by joining scope to be readonly? I read some old posts (pre-rails3) that joins adds additional columns to record so that ActiveRecord doesn''t know how to update that fields, but actually I don''t see that fields. For example I write model class Order < ActiveRecord::Base has_and_belongs_to_many :executors, class_name:

Hello, Is there any security reason why the last component of a chroot path is required to be owned by root and not by the user that is chroot-ed into that path? I have tried to think of a reason, but cannot find any except for when several accounts are chrooted into the same directory. But if that is not the case, then, is there any security consideration? If not, then it seems to me that

Random question: I''ve written a method for the String class that turns an arbitrary line of text in to an identifier, e.g.: "My, what a beautiful day!" => "my_what_a_beautiful_day" "(anb*#NF(AMNV" => "anb_NF_AMNV" We''ve got all these great names already like underscore, classify, titleize and things like that. I''d

I did not find any clues when 'googling' and could not find any search options on the archives. So, your answer does really not help. If you can help me with some reference, then it is highly appreciated. I would like to understand the rationaly. Not why 'it is just like it is'. No, why. What is the reasoning behind it. I speak Dutch, English, some Japanese and C. So, I can write something to patch it up in C. But if I do not understand the rationale behind it, what is the value of the writing in any language? If I do not unde...