Apex Articles - Page 9

Farewell David Liu SFDC99 - 10 Years of Teaching Apex

David Liu is officially stepping back from SFDC99 after ten years of teaching the community how to code. It is a...

Mastering Queueable Apex in Salesforce

Apex Managed Sharing - When to Use It and How It Works

Standard sharing rules are great, but sometimes your business logic is just too complex for declarative tools....

Apex Best Practices - Salesforce Developer Interview Guide

Ever hit a SOQL 101 error on a Friday afternoon? This guide covers the Apex best practices you need to build...

How to Pick the Right Salesforce Trigger Framework

If you've ever struggled with messy code or triggers running in the wrong order, this post is for you. We break...

Fix the Overwrite Apex Code Popup in Developer Console

Ever get blocked by that annoying Overwrite Apex Code popup while saving? It usually means your browser is out of...

Top Mistakes Developers Make in Salesforce Apex Triggers

Common Apex trigger mistakes (non-bulkified code, multiple triggers, hardcoded IDs, poor error handling) cause...

Apex Null Coalescing Operator (Spring '24)

A concise guide to Apex's new null coalescing operator (??) — what it does, when to use it, examples and caveats...

When we should use Trigger.Old

How to Get Current User IP Address and Location Using Apex

Capture the current user's IP address and location in Apex using Auth.SessionManagement, LoginHistory and...

Generic null-check and dynamic field mapping in Apex

Reusable Apex utility to copy non-null fields from a child SObject to parent using SObject.put. Reduce...

Update Only the Latest Child Record for Each Parent (Apex & SOQL Tips)

Use SOQL aggregate queries to pick a single latest child record per parent instead of querying all children — more...