How to Choose the Initial Record from a Set of Multiple Records

apex, Salesforce

I have a custom sObject which has among others the following fields: email__c (email), some_date__c (date), external_id__c (integer) and criteria__c (string). There are multiple records for this sObject that have the same value for email__c. If an email address returned in the results has multiple records we want to select the record with the most recent date. If there is …

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Generating an Apex Class Using the SOAP Tooling API and MetadataContainer

Salesforce

QESTION It’s fairly easy to create an ApexClass in the SOAP Tooling API: This immediately creates the class in your org. However, I would like to be able to utilize the MetadataContainer functionality to create classes in this manner: When I try this, I get an error as follows: Adding a line to populate the Content field …

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Performing an UPDATE on a Custom Field Using the SOAP Tooling API

apex, Salesforce

QUESTION I’m using the SOAP Tooling API to try and update a CustomField (posting to /services/Soap/T/29.0) The method signature is SaveResult[] update(sObject[] sObjects) – and CustomField extends sObject so it shouldn’t be a problem to send that down the wire. However I encounter: INVALID_TYPE: Must send a concrete entity type. Then I looked at my raw XML on the wire, I can’t say I’m surprised! …

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What is the most effective method to verify if person accounts are enabled through Apex Code?

apex, Salesforce

QUESTION I need to be able to check if an org has Person Accounts enabled via Apex Code as part of package. What’s the best way to do this without making the package require Person Accounts be enabled in any org in which it’s installed? ANSWER Method 1 Try to access the isPersonAccount property on an Account and catch any exception that occurs …

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What do Apex Triggers represent in Salesforce?| Insights from the Developer Guide

apex, Salesforce

What do triggers entail “Triggers in Apex can be activated to initiate custom actions either prior to or following modifications to Salesforce records, including inserts, updates, or deletions.” What categories of triggers exist in Salesforce There are two trigger categories Trigger Event Categories Syntax for Triggers “What do Trigger Context Variables encompass?” Sequence of Execution …

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