http://simonwillison.net/2009-02-18T23:00:16+00:00Simon Willison2009-02-18T23:00:16+00:002009-02-18T23:00:16+00:00https://simonwillison.net/2009/Feb/18/history/#atom-tag

<p><strong><a href="http://python-history.blogspot.com/2009/02/adding-support-for-user-defined-classes.html">The History of Python: Adding Support for User-defined Classes</a></strong></p> Guido designed the run-time representation first, and tried to design the syntax to include as few new parsing concepts as possible. The origins of explicit self are also explained. <p>Tags: <a href="https://simonwillison.net/tags/css-classes">css-classes</a>, <a href="https://simonwillison.net/tags/guido-van-rossum">guido-van-rossum</a>, <a href="https://simonwillison.net/tags/object-oriented-programming">object-oriented-programming</a>, <a href="https://simonwillison.net/tags/python">python</a></p>

2008-10-17T13:32:41+00:002008-10-17T13:32:41+00:00https://simonwillison.net/2008/Oct/17/conditional/#atom-tag

<p><strong><a href="http://www.paulhammond.org/2008/10/conditional/">Conditional classnames</a></strong></p> Yahoo!’s internal coding standards still recommend CSS hacks over conditional comments because a separate stylesheet for IE imposes an additional HTTP request. Paul Hammond points out that you can use conditional comments to write out an extra class=“ie” attribute on the body element and use that to target the IE specific fixes in your stylesheets. <p>Tags: <a href="https://simonwillison.net/tags/css-classes">css-classes</a>, <a href="https://simonwillison.net/tags/conditionalcomments">conditionalcomments</a>, <a href="https://simonwillison.net/tags/css">css</a>, <a href="https://simonwillison.net/tags/html">html</a>, <a href="https://simonwillison.net/tags/paul-hammond">paul-hammond</a>, <a href="https://simonwillison.net/tags/yahoo">yahoo</a></p>

2007-11-11T23:07:28+00:002007-11-11T23:07:28+00:00https://simonwillison.net/2007/Nov/11/max/#atom-tag

<p><strong><a href="http://www.maxdesign.com.au/presentation/multiple-classes/">Using multiple classes within selectors</a></strong></p> Pretty much definitive guide to using multiple classes in a CSS selector, including problems with IE 5 and 6 and one way of addressing them using conditional comments. <p>Tags: <a href="https://simonwillison.net/tags/css-classes">css-classes</a>, <a href="https://simonwillison.net/tags/conditionalcomments">conditionalcomments</a>, <a href="https://simonwillison.net/tags/css">css</a>, <a href="https://simonwillison.net/tags/ie5">ie5</a>, <a href="https://simonwillison.net/tags/ie6">ie6</a>, <a href="https://simonwillison.net/tags/internet-explorer">internet-explorer</a>, <a href="https://simonwillison.net/tags/russweakley">russweakley</a></p>