Sorry for off topic reply, but how do you quote code using gmail? or I should use web interface for posting in group.
On Mon, Feb 3, 2014 at 3:23 PM, Frederick Cheung <[email protected] > wrote: > > > On Monday, February 3, 2014 9:36:25 AM UTC, Роман Ярыгин wrote: >> >> Now, when I refresh the page every time, the array pops one by one item >> and finally get empty! But, why? Why the constant changes, not variable? >> What I'm doing wrong? >> > > What is constant is that ItServiceJob::TYPES always gives you the same > object (in terms of it object_id), but there is nothing to stop you > modifying the object. > > Furthermore, job_types = ITServiceJob::TYPES isn't copying > ItServiceJob::TYPES, it is just creating a local variable that references > the exact same ruby object. You can copy the array with .dup (this is a > shallow copy). If you want to prevent modifications to an object you need > to freeze it (by calling .freeze on it). After this any attempts to modify > the object will raise an exception > > Fred > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/a88c6898-929c-4cf2-b281-3b98217e5bd6%40googlegroups.com > . > > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAGHQMcibCKKG_nC%3Dwhc%2BY8WT%3DFbz6cxydm%3D3721Fc5oodc0U3A%40mail.gmail.com. For more options, visit https://groups.google.com/groups/opt_out.
