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• Parsing of XML data has high CPU usage
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Pastable version of Show a default value if object or field is empty?

<pre class='prettyprint' language='ruby'># this method returns a default when the object does not exist or the value given in the block does not exist. # # Example: # user = User.find(:first) # user2 = nil # # show_value_or_default(user) {|user| user.phone} -&gt; 'phonenumber of user' or '-' of phone is nil or ''. # show_value_or_default(user2,&quot;leeg&quot;) {|user| user.phone} -&gt; 'leeg' # # show_value_or_default(user) {|user| i18n(user.gender)} -&gt; i18n version of the gender. # def show_value_or_default(object, default = &quot;-&quot;) (object.nil? or yield(object).blank?) ? default : yield(object) end</pre> <a href="http://www.refactormycode.com/codes/50-show-a-default-value-if-object-or-field-is-empty" style="color:#fff" title="As seen on RefactorMyCode.com"><img alt="Small_logo" src="http://www.refactormycode.com/images/small_logo.gif" style="border:0" /></a>