Just wanted to share an interesting aspect I discovered in UICollectionViewCell that makes it very easy to build a game like matching pairs or similar in iOS while writing very minimal code to handle selection and changing the UICollectionView cell on selection and deselection.
Have you tried to construct a complex query in Rails to do joins and order by different columns and have fallen into writing SQL because you could not construct a query using ActiveRecord’s querying DSL, then this blog post might help.
Recently I came across a problem of how to add Promocodes to an ecommerce site built using Rails. Thinking about the problem I thought of good programming practices that I can apply so that the code is clean and maintainable in the future as more different types of promocodes are...
Recently came across a command in Unix like systems called at This command executes any command given at the specified date time. Here is an example