Salesforce - Delete list of Attachment

Developer Console >> Debug >> Open execute Anonymous Window


List<Attachment> ListAttachments =
    [SELECT id from Attachment];

System.debug(
    ListAttachments.size()
);

delete ListAttachments;





Deleting Cases and Contacts


List<Case> ListCases =
    [SELECT id from Case];

System.debug(
    ListCases.size()
);

delete ListCases;


List<Contact> ListContacts =
    [SELECT id from Contact];

System.debug(
    ListContacts.size()
);

delete ListContacts;

Salesforce - Days Since Last Update is empty - Use Formula Fields

Today I was doing trailhead "Use Formula Fields" and I got stuck where the formula wasn't showing any result.

The issue was because I didn't have any Account with Last Activity. I just had to go to an Account and in the Activity History section I clicked on Log a call, and saved it. After that you are good to go, you should see one Case record with Days Since Last Update as empty.

Salesforce - Lightning - Redirect to a specif Page

From:

PageReference newpage = new PageReference('/apex/MyPage');
newpage.setRedirect(true); return newpage;

To: PageReference newpage = new PageReference('/one/one.app#/n/MyPage'); newpage.setRedirect(true);

 return newpage;




    function FF_GetVisualforcePageURL(pPage, pNamespace){
        var vLightning = '';
        if ((typeof sforce != 'undefined') && sforce && (!!sforce.one)) {
            vLightning = '/one/one.app#/alohaRedirect'
        }
       
        return vLightning + '/apex/' + pNamespace + pPage
    }