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POIs it possible to add leading zeros to the day and month in rails' date_select and datetime_select?
 

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  1. POIs it possible to add leading zeros to the day and month in rails' date_select and datetime_select?
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    <p>I'm trying to add leading zeros to the days and months in a date_select, and for all I can see in the docs you can only specify <code>:use_month_numbers</code> and <code>:use_short_month</code> but not <code>:leading_zeros =&gt; true</code>.</p> <p>Looking at the rails code, I found that the following code in date_helper.rb: </p> <p>File: <a href="https://github.com/rails/rails/blob/master/actionpack/lib/action_view/helpers/date_helper.rb" rel="nofollow">actionpack/lib/action_view/helpers/date_helper.rb</a></p> <pre><code>def select_day if @options[:use_hidden] || @options[:discard_day] build_hidden(:day, day) else build_options_and_select(:day, day, :start =&gt; 1, :end =&gt; 31, :leading_zeros =&gt; false) end end </code></pre> <p>And in line 856 under DateTimeSelector, there's a line that goes:</p> <pre><code>leading_zeros = options.delete(:leading_zeros) </code></pre> <p>So I get the impression that even if you managed to override the first method, and called <code>DateTimeSelector</code> with <code>leading_zeros =&gt; true</code>, that it would just end your party there, so it's not possible to do this this way.</p> <p>Now, my ruby-fu / rails-fu is not that legendary so I was wondering – could I override the class in my rails app reimplementing only the method(s) I want in order to support leading_zeros, or what would be the best way way to get this to work?</p> <p>EDIT: In case someone's asking <em>why does he even need leading zeroes?</em>, well, it's not a deal breaker, and it's not <em>necessary</em>, but I would like to be able to do this… just for consistency across the app. The dates are displayed with a dd/mm/yy format across app and in reports, but when creating the records the user finds a different format. It's not so important, just a design choice.</p>
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    1. COSince this is only for presentation purposes, I'm currently using Javascript to zero-pad the `<option>` text content, as it makes no difference that the value has a leading zero or not.
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