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I'm trying to figure out how to align my rails output into 3 columns of equal length using bootstrap. Basically i need three columns, the issue is that if I have 12 "skills" i would like them to be divided up into 4 skills in each section, etc...

But I can't figure out how to output the data in anything but a one column list. I'm thinking I need something like this?

<div class="col-md-4"> < ... output of skills > </div> <div class="col-md-4"> < ... output of skills > </div> <div class="col-md-4"> < ... output of skills > </div> 

This is my current output that makes a list, I would like to somehow make 3 columns out of the output.

<div class="col-md-12"> <table> <!-- one-to-many association to loop through a users skills --> <% @user.skills.each do |skill| %> <tr> <td> <br /> <h4><b><%= link_to skill.name, edit_user_skill_path(user_id: @user.id, id: skill.id) %></b></h4> </td> </tr> <% end %> </table> </div> 

update here's the solution I implemented based off of martin's suggestion.

<% @user.skills.in_groups_of(3, false).each do |group| %> <div class='row'> <% group.each do |skill| %> <div class='col-md-4'> <div><%= skill.name %></div><br /> </div> <% end %> </div> <% end %> 

also because the text was being displayed within a panel i found that it was running off the edge so had to use this for the CSS

.panel-body{ word-wrap: break-word; } 

    1 Answer 1

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    You can try using in_groups_of method: https://apidock.com/rails/v4.2.7/Array/in_groups_of

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