Sorted:

Why Is PHP-FPM Only Using One Process?-Collection of common programming errors

problem about uwsgi-Collection of common programming errors

problem about mod-fcgid-Collection of common programming errors

Java bridge'ed error-Collection of common programming errors

FreeBSD Listen Queue Overflows – can't increase max queue size-Collection of common programming errors

PHP memcache is installed and working, but sporadic Class 'Memcache' not found error occurs-Collection of common programming errors

Nginx PHP (5.5.1) FPM strange errors-Collection of common programming errors

nginx+ uwsgi gives 502 Bad Gateway-Collection of common programming errors

Unhandled Exception in Django-Collection of common programming errors

class 'psycopg2.InterfaceError': connection already closed-Collection of common programming errors