Designing Sync and Async Apex: When Operations Must Run in Sequence
Understanding the distinction between synchronous and asynchronous Apex execution contexts, and how to decide what runs inline vs. in a Queueable or future method.
Understanding the distinction between synchronous and asynchronous Apex execution contexts, and how to decide what runs inline vs. in a Queueable or future method.
Why using a single record variable inside a Flow loop overwrites data on each iteration, and how to correctly build collections using the Add operator.
Understanding why performing DML before an HTTP callout throws an uncommitted work error, and how to structure your Apex transactions to avoid it.
Design patterns for auto-populating fields on record creation while preserving user modifications on subsequent updates.
How to replace per-record SOQL queries with a single bulk query and Map-based lookups to stay within governor limits.