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Apex & Development
Apex, SOQL, LWC, testing and developer topics for building on Salesforce.
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Platform Developer I vs II: What Changes and Which to Take
Platform Developer I vs II compared: exam format, passing score, sections, experience level and how to move from one to the other, from the…
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Platform Developer II Exam: Cost, Passing Score and How Hard It Is
Platform Developer II exam facts for 2026: US$200 fee, US$100 retake, 70% passing score, 60 questions in 120 minutes, prerequisite and maintenance.
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Platform Developer II Practice Questions: 20 Scenario Questions
20 original Platform Developer II practice questions weighted like the real exam’s five sections, each with the answer and a full explanation.
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Connect Codex to Salesforce in the ChatGPT Desktop App (No Terminal Needed)
Connect Codex to Salesforce from the ChatGPT desktop app: install the Salesforce CLI, attach your project folder and let Codex run sf commands with…
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Connect Claude to Salesforce in the Claude Desktop App (No Terminal Needed)
Connect Claude to Salesforce from the Claude desktop app: install the Salesforce CLI, open your project in the Code tab and let Claude run…
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Salesforce Order of Execution Explained: 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: 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.