While designing custom web service, which are the errors we should consider while developing.
exp :Too many soql, Heap size limit, connection time out ect.
Please copy paste sample or important links.

Thanks in advance.
 

In Salesforce org there are more than 900+ classes. As a part of clean up project we need to remove unused classes.
1. what is the way to find out unused classes in the system ?
2. Is there any tool exist ?

Please mention your email id for future communication / Questions.

-- Thanks --

While designing custom web service, which are the errors we should consider while developing.
exp :Too many soql, Heap size limit, connection time out ect.
Please copy paste sample or important links.

Thanks in advance.