How to upsert using External Id using Salesforce Apex?
Upsert uses the sObject record's primary key (the ID), an idLookup field, or an external ID field to determine whether it should create a new record or update an existing ....
Tag: Salesforce Apex
Mobile Number validation using Apex in Salesforce
Using Pattern.matches() and RegEx, we can validate Phone Number or Mobile Number using Apex in Salesforce. In the following example, I have made sure the Account Phone number field contains ....
SOQL Injection
SOQL Injection can occur in Apex code whenever your application relies on end user input to construct a dynamic SOQL statement and you do not handle the input properly. To ....
How to get all field names in all objects using Apex in Salesforce?
Sample Code: List < Schema.SObjectType > gd = Schema.getGlobalDescribe().Values(); Map<String , Schema.SObjectType > globalDescription = Schema.getGlobalDescribe(); for ( Schema.SObjectType f : gd ) ....
How to update Custom Settings value using Apex in Salesforce?
We can query or we can use getInstance() to get the value and then we can use update DML Operation to update the Custom Settings value. Please check the following ....
How to Set Up Test Data for an Entire Test Class in Salesforce?
To Set Up Test Data for an Entire Test Class in Salesforce, @testSetup is used. Sample Test Class: @isTest private class CommonTestSetup { /* Method to setup data */ ....
How to set From Address for sending emails using Apex in Salesforce?
To set From Address for sending emails using Apex, you have to set Organization-Wide Email Address and use setOrgWideEmailAddressId. 1. Go to Email Administration --> Organization-Wide Addresses. 2. Click "Add" button. 3. ....
How to find minutes, seconds and Milliseconds difference between two datetime in Salesforce?
getTime() in Salesforce is used to get milliseconds from a Datetime. Sample Code: DateTime maxTime = System.now().addMinutes(5); DateTime minTime = System.now(); system.debug('Milliseconds Difference is ' + (maxTime.getTime() - minTime.getTime())); system.debug('Seconds ....
What is heap size in Salesforce?
Dynamic memory allocation which is also known as heap-based memory allocation is the allocation of memory storage for use in a computer program during the run time of that program. ....
Order of execution in Salesforce Visualforce Page
1. Constructor of the controller. 2. Action method of the page. 3. Getter methods. 4. If there are any client-side technologies on the page, such as JavaScript, the browser executes them. ....