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If I write something like:
<% if signed_in?.blank? %> or <%= link_to "Sign Up", sign_up_path %>
What is the difference between the two signs of <% and <%=?
Why make it this way instead of using just one for simplicity?
When do I know I need to use <% over <%=?
<%=puts the return value of the code inside to the page.<%just execute code.Here is the good guide about ERB http://api.rubyonrails.org/classes/ActionView/Base.html