dev_server.py : first request when change code alway has a status of 200 and an empty body

dev_server.py : first request when change code alway has a status of 200
and an empty body

References

Reference NO 1

http://stackoverflow.com/questions/15193674/dev-server-py-first-request-when-change-code-alway-has-a-status-of-200-and-an

Reference NO 2

http://stackoverflow.com/questions/tagged/tornado?page=5&sort=newest

Reference NO 3

https://code.djangoproject.com/query?component=HTTP+handling&page=2&desc=1&order=summary&row=description

Reference NO 4

http://code.google.com/p/googleappengine/wiki/SdkReleaseNotes

Reference NO 5

https://github.com/dataarts/tailbone

Reference NO 6

http://pythonhosted.org/agar/agar.html

Reference NO 7

http://ikaisays.com/category/software-development/app-engine/

Reference NO 8

http://grokbase.com/t/gg/google-appengine/133mtrv0v6/very-large-entity-ids-on-1-7-6-dev-server