Difference between catch (Exception), catch () and just catch I recommend using catch(Exception ex) when you plan to reuse the exception variable only, and catch (alone) in other cases Just a matter of style for the second use case, but if personally find it more simple
sql server - @@ERROR and or TRY - CATCH - Stack Overflow Will Try-Catch capture all errors that @@ERROR can? In the following code fragment, is it worthwhile to check for @@ERROR? Will RETURN 1111 ever occur? SET XACT_ABORT ON BEGIN TRANSACTION BEGIN
Difference between try-finally and try-catch - Stack Overflow Finally and catch blocks are quite different: Within the catch block you can respond to the thrown exception This block is executed only if there is an unhandled exception and the type matches the one or is subclass of the one specified in the catch block's parameter Finally will be always executed after try and catch blocks whether there is an exception raised or not
Placement of catch BEFORE and AFTER then - Stack Overflow In the second scheme, if the promise p rejects, then the catch() handler is called If you return a normal value or a promise that eventually resolves from the catch() handler (thus "handling" the error), then the promise chain switches to the resolved state and the then() handler after the catch() will be called So that's difference #2