Rails on Docker: Quickly Create or Update Your Gemfile.lock
As I migrate all of my Rails apps to Docker, I've learned to avoid making changes to the Gemfile whenever possible. Whilst there are workarounds that »
Rails: Generating Polymorphic URLs when Model name does not match Route
Given a slugged generic model for which you want to generate a URL at runtime, you can usually just call: @b = BlogPost.find(params[:id]) # ==> »
Android: Toggling Your App's Theme
I was recently asked how an app's theme can be toggled by the user in Android. This is a nice feature that is often seen in »
Using TinyMCE Content CSS with Rails Asset Pipeline
Recently, whilst building a small CMS system using TinyMCE and the tinymce-rails gem, I needed to inject some custom CSS so that the editor's styles matched »
Rails: Rendering Dynamic SVG Images in respond_to
SVG is a vector image described in XML. This post shows how to to render SVG images inline with Rails. This can be used, for example, »