Trail Assembly

Custom exceptions and an error taxonomy that helps

Apex September 11, 2026 4 min

@TestSetup: what it saves and what it breaks

Apex September 11, 2026 4 min

Mocking HTTP callouts with HttpCalloutMock

Apex September 11, 2026 3 min

Recursion guards, and when a static flag is the wrong fix

Apex September 11, 2026 4 min

`System.FinalException`Record is read-only

Apex September 11, 2026 4 min

`INSUFFICIENT_ACCESS_OR_READONLY`six causes, one message

Admin September 11, 2026 4 min

`System.CalloutException`Read timed out

Data September 11, 2026 3 min

Too many future calls: 51

Apex September 11, 2026 3 min

JSON deserialization errors in Apex

Apex September 11, 2026 4 min

`MALFORMED_QUERY`unexpected token

Apex September 11, 2026 4 min