I\'m writing a j2me(mobile) which uses a db a lot. But now I don\'t know how to do the following. Should I throw Exceptions in the database class itself, and use a try Catch in the controller class.
I do not und开发者_运维知识库erstand the advantages of having a chained exception in the code.
I have a custom exception class with a show() method that shows exceptions in a pretty way. In some fatal errors I left the exceptions uncaught so the programs exists intermediately, but I would like
I have a model called Subscription th开发者_高级运维at has a unique index on the fields [:email, :location]. This means one email address can subscribe per location.
I want to centralize error handling by avoiding the messy t开发者_JS百科ry-catch blocks, I explored the global.asax and I notice
Is it a good idea to catch an exception and then throw another exception? Like so: Try \' Do operation xxx
Assuming that there is a cost associated with setting recovery point, one could optimize a loop like this:
I want to connect to mysql database from my asp page.So for that as per what my hosting providers told i used the connection string where server is given as \"localhost:3309\"
I need to handle 404 exceptions differently than all other types of them. What is the best way to identify those 404 exceptions (dis开发者_运维技巧tinguish them from other exceptions)?
I have a program in which the user must make a selection by entering a number 1-5. How would I handle any errors that might arise from them entering in a digit outside of those bounds or even a charac