In Rails 4: You will be able to pass :include_hidden option. https://github.com/rails/rails/pull/5414/files As a quick fix for now: you can use right now in your model: before_validation do |model| model.subset_array.reject!(&:blank?) if model.subset_array end This will just delete all blank values at model level.
Multi cursor edit is natively supported in Visual Studio starting from version 2017 Update 8. The following is an extract of the documentation: Ctrl + Alt + click : Add a secondary caret Ctrl + Alt + double-click : Add a secondary word selection Ctrl + Alt + click + drag : Add a secondary … Read more
Using the .val() function on a multi-select list will return an array of the selected values: var selectedValues = $(‘#multipleSelect’).val(); and in your html: <select id=”multipleSelect” multiple=”multiple”> <option value=”1″>Text 1</option> <option value=”2″>Text 2</option> <option value=”3″>Text 3</option> </select>