====== Google App Engine HTTP Header ======
===== Content-Length =====

Google App Engine(GAE)会将Content-Length自动重置为0。

可以用下面的代码把Content-Length删掉：
<code python>
del self.response.headers['Content-Length'] 
</code>
==== 参考 ====
  * [[http://groups.google.com/group/google-appengine/browse_thread/thread/9a188d326fd41572|Google Fronted, Content-Length and HEAD requests]]