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To check if a file or folder already exists on Amazon S3 Bucket, use the following code Code: $info = $client->doesObjectExist($bucket, $FileName) if ($info) { echo ‘File exists’; } else { echo ‘File does not exists’; } Webner Solutions is

How to create alerts in Bootstrap: Bootstrap provides an easy way to display the information or create predefined alert messages on the screen. In Bootstrap alert is created using .alert class for example : <div class=”alert alert-success”> </div> Bootstrap alert

Introduction to Selenium and some Examples History of Selenium Selenium was launched in 2004 by Jason Huggins (engineer at ThoughtWorks in Chicago) and he named it “Javascript TestRunner” but at that time it was stuck with the “same origin policy”

Laravel’s powerful validation rules When we develop any application in Laravel, various validation rules are available which are used to validate data from all incoming HTTP requests. Some Examples: 1. First let’s create a controller named RegistrationController by executing the

Reflection Api in Php What is Reflection and why is it useful? Reflection is generally defined as a program’s ability to examine itself and modify its logic/methods at execution time. In simple terms, reflection is asking an object to tell

Salesforce | How to change Logo of externally accessible VisualForce Pages Steps to add Logo to externally accessible VF pages: 1. Add Logo/Image into Static Resources: a. Go to Setup, then search Static Resource in Quick Find Box. Then click

Triggers in Salesforce and order of execution A trigger is Apex code that executes before or after the following types of operations: *insert *update *delete *merge *upsert *undelete You can create triggers on both standard as well as custom objects.

Send Email Alert through Salesforce Workflow Rule When user wants to send email on create/update of a record in salesforce, instead of writing custom apex code, we can use below existing flow to achieve that: 1. Go to Setup |

What is TypeScript? TypeScript is a strict syntactical superset of JavaScript and adds optional static typing to the Javascript language.It is pure object oriented with classes, interfaces and statically typed like C# or Java. It is designed for the development