Ever faced a situation when you wanted to deploy a bunch of fields or page layouts and the Apex Tests execution would take hours and hours to complete?.

A recent feature 'Quick Deploy' enables you to skip Apex Test execution when you deploy. However, you will have to run the validation which executes test cases.

The feature does reduce the deployment time by half, since traditionally test cases were executed both during 'Validation' and 'Deployment'.

Here's the official release note from Salesforce http://releasenotes.docs.salesforce.com/en-us/spring15/release-notes/rn_quick_deployment_ga.htm. The feature is Generally Available and does not require any activation.

This blog post is an extension of a previous blog post (http://www.forcetree.com/2011/09/radiobutton-in-datatable-in-visualforce.html).

The code below explains the way to retain the RADIO button selection on a Visualforce page.

SCREENSHOT:



Apex Class:


Visualforce Page:

Screenshot:


The example below illustrates the way to REMOVE any given row in a table in visualforce and ADD new rows.

The REMOVE button only removes the contact from the UI.
The REMOVED rows are deleted from the database when the "SAVE Changes" button is clicked.

To execute this example include a valid Account ID in the URL as below

https://na5.salesforce.com/apex/deleteRowsExample?id=0017000000UIvsg

VF PAGE: deleteRowsExample

Apex Controller: deleteRowsExample

The Profile Page of Salesforce Chatter can be customized to add additional TAB's. Here are the steps to do it. WEB TAB's and Visualforce TAB's can be added to the Profile page allowing to embed visualforce pages into the standard chatter profile page. Standard TAB's cannot be added.

STEP 1:

Navigate to Setup -> Create -> Apps


STEP 2:

Edit the 'Profile (Self)' and select the TAB's to add. In this case you can see that I have added the 'iSalesforce' TAB.

 

STEP 3:

This is the way it displays finally.

This article is a simple explanation of the use of the Site.Login() Apex method. The documentation in detail from Salesforce is here http://www.salesforce.com/us/developer/docs/apexcode/Content/apex_classes_sites.htm.

STEP 1:
Enable Communities by going to the below path, Your Name -> Setup ->  App Setup -> Customize -> Communities -> Settings




STEP 2:
Create a new Community as shown below



STEP 3:
Create a Apex Class as shown below


Note: Replace 'null' with the URL to be redirected to after login.

STEP 4:

Create a Visualforce page 'CustomLoginPage' as shown below



STEP 5:
Navigate to Manage Communities from the setup menu, and click the 'Force.com' link as below



STEP 6:

Make the following changes as shown below.

STEP 7:

Modify the Apex Class 'CommunitiesLoginController' as below



STEP 8:

Modify the Visualforce page 'CommunitiesLogin' as below



STEP 9:

Make sure you publish the community. Navigate to the URL and you should see the custom login page as below.

A wrapper class is simply put a class which wraps variables of different data types into one single type.

We use List(account), List(string), List(integer) etc. But, what do you do when you want to create a list of all these three data types into one single list? That is when a wrapper class comes into help. Below is a simple code snippet to help understand this concept.

VF Page: 

Apex Class: 

Analyzing the code:

 The Wrapper Class in our example is named 'sampleWrapperClass'. Every wrapper class has two parts. One part to declare the variables, and the other part to define the constructor for the class. In our example, we have only one constructor. However, you can have multiple constructors by altering the parameters based upon your needs. Note that we have created a list which holds Integer,String,Boolean,Account,Contact datatypes together into one single custom data type called 'sampleWrapperClass'. You can then process this List as any other normal list. In our Visualforce page we display the list using a pageBlockTable.

Practical Examples: 

I took down some notes while preparing for the DEV 501 objective exam (first level). Though it might not be that the questions are based out of this notes, i am sure that you will find these useful.

Comparison (triple =)

x === y, check reference. Check's whether the reference between the objects x and y is the same.

Collections in apex:

list - ordered, non unique
set - unordered, unique
map - unordered, key value pair

Check this link for a detailed description. - Click here

Variable types:

static - lifetime is throughout the entire execution context

final - value can be set only once (public static final Integer example = 1)

Query clauses:

ALL ROWS - returns all rows including those in the recycle bin and archived activities
(Ex: System.assertEquals(2, [SELECT COUNT() FROM Contact WHERE AccountId = a.Id ALL ROWS]);)

FOR UPDATE: locks the record for update from other means while the execution is happening.
(Ex:  Account [] accts = [SELECT Id FROM Account LIMIT 2 FOR UPDATE]; )

 Salesforce Query Language:

SOQL - returns a list of sObjects.
SOSL - returns a list of list of sObjects. This is because SOSL queries can query multiple objects.

DYNAMIC BINDING:
Treats the characters after ':' as executable Apex Code.

EXTERNAL ID: NOT unique by default

Webservice methods cannot be overloaded.

Case, switch statements not available in apex as of now. Use nested, IF- ELSE to accomplish this.

Three types of FOR loops:

1) for (integer i=0; i<100 i="" p="">
2) for (Integer i : List)

3) for (Account a: [Select Id from Account where Name != 'Edwin'])
    for (List accts : [SELECT id, name FROM account
                                                                               WHERE name LIKE 'Acme']) - Querymore mode


Apex Manual Sharing:
Row Cause: Can create custom row cause from the 'Apex Sharing Reasons' related list on the custom object. Ex: Schema.Object__Share.RowCause.Rowcausename__c

Access: Read, Edit, Full (this is only for owner and cannot be set for other users)

Field: IsDeleted = TRUE, indicates records in the recycle bin

Different database operations:
INSERT UPSERT UPDATE DELETE MERGE UNDELETE

database.dmloptions - Ex: truncation (text fields exceeding max limit- truncate or throw error)

database.setsavepoint()
datase.rollback(savepointname)

You can have a maximum of upto 5 savepoints.
No explicit COMMIT statement, commit happens implicitly at the end of the transaction.

Different types of trigger events:

before insert
before update
after insert
after update
before delete
after delete
after undelete

if you have 4 different triggers on say the 'before insert' event, there is no guarantee on the execution order of the triggers

Merge event - delete on losing record, update on winning record


Cascade DELETE - if a master record is deleted the trigger fires on the master record, however even though the detail records are deleted the trigger does not fire on the detail records.

String comparison in apex: uppercase A is different from lowercase a

Exception Handling:

try {throw} catch (){} finally{}

public class MyException extends Exception{}

//try, throw and catch
     try {
         Integer i;
         //Your code here
         if ( i < 5 ) throw new MyException();
    } catch ( MyException e ) {
         //Your MyException handling code here
    }
    finally { system.debug('executes no matter what');}

############### Apex Code Developer's Guide##########################
Custom Labels: Accessed using the notation System.Label.Label_Name

If You have Person Accounts enabled and you insert an Account using (name='xxx') a Business Account is created. If you insert a account using (Lastname ='yyy') a person account is created.

Relationship tip:
When being read as a value, if c.Account is null, then c.Account.Name evaluates to null,but does not yield a NullPointerException.
When being modified, if c.Account is null, modifying c.Account.Name does yield a NULL pointer exception.

A LIST can contain unto four levels of nested lists.

Use the Comparable interface to implement a custom sort for Lists.

Problem description:

Let's take the scenario of Account - Contact. On the Account Detail page you have the Contact related list. When a user clicks on the 'New' button in the 'Contact' related list, a Contact Edit Screen shows up. When the user clicks 'Save' he is redirected to the 'Contact Detail Page'.

You want to redirect the user to the parent 'Account Detail Page' instead.


STEP 1:

Create a Custom button on Contacts as shown below.


STEP 2:

Analyzing the 'Button or Link URL':

/003/e?retURL=%2F{!Account.Id}&saveURL=%2F{!Account.Id}

003 - Denotes Contact (The child record, will be different for each object. Click on the standard NEW button of any object and you could find out the unique code for that object)

retURL=%2F{!Account.Id} - the URL you want to redirect the user to when he clicks CANCEL. %2F denotes a '/' and the merge field {!Account.Id} gives the Account to redirect to.

saveURL - similar to retURL except that it defines the URL to redirect to after the user clicks 'SAVE'

STEP 3:

Add the 'New' custom button to the Account Page Layout.

                         

This post explains the differences between the different collections that are available in Salesforce Apex.

LIST:

A list is an ordered collection. A ordered collection is one where each element in the collection is stored in a specific position, and you could access the element using its position.

List<Integer> MyList = new List<Integer>();
MyList.add(10);
MyList.add(80);
MyList.add(50);
MyList.add(30);
MyList.add(10); //Duplicate entry

• List can have duplicate entries. The integer 10 is added twice to the list.
• List is a ordered collection, meaning that each element is stored in a specific position. An element can be accessed using its location (also called as Index). The index always starts with 0.

List<Account> listsample = [Select Id,Name from Account limit 5];
system.debug('The Account Name at index 0 is'+listsample[0].Name);
system.debug('The size of the list is'+listsample.size());
//Adding a element to the list
listsample.add(new Account(Name='testlistsample'));
system.debug('The size of the list now is'+listsample.size());
//Remove a element from the list
listsample.remove(5);
system.debug('The size of the list now is'+listsample.size());

SET:

A set is an unordered collection. Elements in a set are not stored in a specific order and you cannot access an element using an index.

Here is a sample code:

Set<String> Accountids = new Set<String>();
for (Account a: [Select Id from Account limit 5])
    Accountids.add(a.Id);
system.debug('The size of the set is'+accountids.size());
for (Account a: [Select Id from Account limit 5])
    Accountids.add(a.Id);
system.debug('The size of the set is'+accountids.size());

Map<Id,Account> testmap = new Map<Id,Account>([Select Id,Name from Account limit 5]);
system.debug('The size of the map is'+testmap.size());
system.debug('The keys are'+testmap.keySet());
system.debug('The values are'+testmap.values());

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• Drive IT / business alignment and collaboration with unified, hybrid cloud data integration.

Informatica Cloud SAP Features:

• Self-service cloud-based integration and powerful on- premise deployment options.
• IDOC and BAPI integration supported in the cloud.
• ABAP, DMI, BCI, Web Services and SAP BI integration via the platform.
• Informatica Cloud prebuilt connection for SAP provides simple set up and configuration.
• Automated scheduling means 'set and forget' operation.
• The perfect combination of self-service business user interface and powerful IT developer tools.
• Web-based set up and administration – access from anywhere.
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Sometimes, we would want the Standard buttons (like NEW, EDIT, VIEW etc) to take the user to a Visualforce page.

This article discusses in detail about the various options available.

Overriding Standard Buttons

<apex:page standardcontroller="Account" extensions="customext">
    
     Your code here

</apex:page>

How to Bypass the Override and go to the standard action??

Credits:  http://www.jqeasy.com/

In some cases, you might want to display a character count to notify the user that they can enter only a certain number of characters in  a text box in a Visualforce page.







There is a javascript file that you need to use to achieve the above behavior. The file was downloaded from jqeasy.com, i uploaded the file here in case you are not able to locate the file.

https://drive.google.com/file/d/0B5FQvDdE4z0PZU9JdC1mVk1BU28/view?usp=sharing&resourcekey=0-rI8WqomT9R9kZACQz_7RHw

STEP 1:

Download the file at https://drive.google.com/file/d/0B5FQvDdE4z0PZU9JdC1mVk1BU28/view?usp=sharing&resourcekey=0-rI8WqomT9R9kZACQz_7RHw and upload it into Static Resources. Let's say we name the file as "CharCounter".

STEP 2:

Create a Visualforce Page with the code below.




Analyzing the code:

If you check the code, you could see that we have the 'styleclass' attribute specified for the inputtextarea's.

And this styleclass name is used in the document.ready() function to specify the character limits. You could use the 'id' attribute as well, but make sure you reference id's using the $Component notation.