ruby - How to get each element of a Rails list into select

i have rails list :

["ananda college", "nalanda college"]

it taken database. have selected 1 column , taken entries. need put list select tag! select each 1 select box. how can this?

i tried add each block inside select_tag , didn't work.

ps : list dynamically generated

you need use form helper options_for_select takes array.

a common way of doing setting array in controller:

@colleges = college.uniq.pluck(:name)

then in view:

<%= f.select :college, options_for_select(@college) %>

take @ docs options_for_select more implementation details.

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