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Apex & Development
Apex, SOQL, LWC, testing and developer topics for building on Salesforce.
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Salesforce Order of Execution Explained (2026): Every Step, in Plain English
The Salesforce order of execution in plain English: all 20 steps from the Apex Developer Guide, where flows, triggers and validation rules run, plus…
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Salesforce Governor Limits Cheat Sheet (2026): Per-Transaction Apex Limits, Sync vs Async
Salesforce governor limits cheat sheet: the per-transaction Apex limits from the Apex Developer Guide, sync vs async, plus how to stay under them and…
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Apex Collections Cheat Sheet: List vs Set vs Map (with the Patterns You Actually Use)
Apex collections cheat sheet: List vs Set vs Map, when to use each, and the bulkification patterns that show up on PD1 and in…
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Lightning Web Components for PD1: The Basics You Need (and LWC vs Aura)
Lightning Web Components basics for the PD1 exam: the files in a component, @api, events up and properties down, the wire service, SLDS, and…
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DML Statements vs Database Methods in Apex (Plus Exception Handling and With Sharing)
Apex DML statements vs Database methods: all-or-none vs partial success, SaveResult, try/catch with DmlException, upsert and merge, and with vs without sharing.
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Asynchronous Apex Explained: Future, Queueable, Batch and Scheduled (with When to Use Each)
Asynchronous Apex explained for PD1: future methods vs Queueable vs Batch vs Scheduled Apex, higher limits, how to monitor jobs, and how to test…
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SOQL Relationship Queries Cheat Sheet: Parent-to-Child, Child-to-Parent and SOQL vs SOSL
SOQL relationship queries explained: child-to-parent dot notation, parent-to-child subqueries, __r names, and when to use SOSL instead of SOQL, with examples.
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Apex Test Classes and Code Coverage: A Beginner Guide for PD1 (2026)
Apex test classes explained for beginners: the 75% code coverage rule, @IsTest, test data factories, Test.startTest, asserts and bulk tests, with examples.
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Apex Trigger Best Practices: Context Variables, Bulkification and One Trigger per Object
Apex trigger best practices for PD1 and real orgs: context variables cheat sheet, before vs after triggers, bulkified SOQL and DML, and the handler…
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1️⃣ Single Responsibility Principle
Today I want to talk about a simple principle that can really help you build better Flows: the Single Responsibility Principle (or SRP). You’ve probably heard…