While writing software it's common to leave comments for your future self. For instance, if you have written some code but realize that it should be refactored to be more efficient, you may place something along the lines of "TODO: change active record fi...

If you've named a branch beginning with two dashes "--", you're sort of in trouble because git interprets your branch name as a switch/flag. You can skip switches all together by supplying two dashes before your branch name git branch -d -- --index_for_...

<%= hidden_field_tag :authenticity_token, form_authenticity_token %>

If you use the link_to_function to replace content in a div with content from a partial, any javascript that you include in the partial will not be executed. It is instead included, but will do nothing. Obviously, this isn't the desired behavior. Why woul...

Ferret is a full text search engine based on the popular Lucene Engine, which is originally written for Java. There is a great tutorial available here: http://www.railsenvy.com/2007/2/19/acts-as-ferret-tutorial Assuming you have the plugin installed, act...