Routing and Handlers Route Syntax Pieces Types of Pieces Resource name Handler specification Dispatch Return Type Arguments The Handler Monad Application Information Req...

Widgets Synopsis What’s in a Widget? Constructing Widgets Combining Widgets Generate IDs whamlet Types Using Widgets Using handler functions Summary Widgets One of the...

Haskell Terminology Tools Language Pragmas Overloaded Strings Type Families Template Haskell QuasiQuotes API Documentation Summary Haskell Haskell is a powerful, fast, ...

Haskell Terminology Tools Language Pragmas Overloaded Strings Type Families Template Haskell QuasiQuotes Summary Haskell In order to use Yesod, you’re going to have to k...

Blog: i18n, authentication, authorization, and database Blog: i18n, authentication, authorization, and database This is a simple blog app. It allows an admin to add blog posts v...

Route attributes Route attributes Route attributes allow you to set some metadata on each of your routes, in the routes description itself. The syntax is trivial: just an exclam...

Wiki: markdown, chat subsite, event source Subsite: data Subsite: handlers Subsite: widget Master site: data Master site: instances Master site: wiki handlers Master site: r...

Deploying your Webapp Compiling Files to deploy Warp Configuration Server Process FastCGI Desktop CGI on Apache FastCGI on lighttpd CGI on lighttpd Deploying your Weba...

Route attributes Alternative approach: hierarchical routes Hierarchical routes with attributes Route attributes Route attributes allow you to set some metadata on each of your...

Visitor counter Visitor counter Remember back in the good ol’ days of the internet, where no website was complete without a little “you are visitor number 32” thingy? Ahh, those...