Answer Posted / arpita patel

form_for and form_tag both are used to submit the form in
ruby on rails.
but the way of handling objects related to model is
different.

form_for:

you should use form_for for a specific model i.e while
crating an new row in database. form_for will perform the
standard http post which is having fields related to active
record objects.

here is the example for using form_for in ruby on rails:

<% form_for :user, @user, :url => { :action => "update" }
do |f| %>

then in here you can use the f object to create input
field.

First name: <%= f.text_field :firstname %>
Last name : <%= f.text_field :lastname %>
Biography : <%= f.text_area :biography %>

<% end %>

form_tag:

form_tag just creates an form as an normal form. form_for
will perform the standard http post without any model
backed and has normal fields. this is used mainly when
specific things need to be submitted via form


here is the example for using form_tag in ruby on rails:

<% form_tag '/posts' do -%>
<%= text_field_tag "post", "firstname" %>
<% end -%>

What is agile development? What are the strengths?

471

---

Tell me what is polymorphic association in ruby on rails?

443

---

what is the difference between redirect and render in Ruby on Rails?

545

---

Where does the start_tabnav gets informations for tabs rendering in ruby rail?

477

---

Mention all the naming conventions in ruby on rails.

471

---

---

What is ruby on rails & why it is used for?

424

---

what is the difference between destroy and delete?

511

---

What is the main function of helpers used in ruby on rails?

463

---

hi am b,tech 2011 passedout now am learnig ROR technology may i knw what is the feature of this one and what is the salary ranges to this i heard there is a less salaries to this technology give me valuable suggestions

1892

---

What is the current version of ruby on rails?

456

---

What is the purpose of require_relative in ruby?

502

---

Explain the advantages of ruby on rails?

486

---

Explain me the log that has to be seen to report errors in ruby rails?

404

---

What is ORM in Rails?

513

---

Do you know the role of garbage collection in ruby on rails?

460

---