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Fix regression in http.c for long-polling connections; add lazy initialization of database connections, to avoid the overhead in handlers that don't use SQL
author Adam Chlipala <adam@chlipala.net>
date Wed, 11 Dec 2013 14:57:54 -0500
parents 166ea3944b91
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<p>These are some extra demo applications written in <a href="http://www.impredicative.com/ur/">Ur/Web</a>.  See <a href="http://www.impredicative.com/ur/demo/">the main demo</a> for a more tutorial-like progression through language and library features.</p>

dragList.urp

<p>This is an Ur/Web version of the "draggable lists" <a href="http://groups.inf.ed.ac.uk/links/examples/">demo program from Links</a>.</p>

grid1.urp

orm1.urp

<p>Many varieties of "object-relational mapping" (ORM) can be implemented as libraries in Ur/Web, as this demo shows.</p>

versioned1.urp

<p>We can also build a data store abstraction that makes it possible to view old versions of records.</p>