What is an Attribute in Lightning?

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What is an Attribute in Lightning? Example: Name and type are a parameter of an attribute that is always required in attributes, the description is another parameter where we can mention about description of attribute. Description is not a required parameter. Similarly, we have a default parameter to give some default value
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Add Multiple and or Conditions in aura:If (lightning component)

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Now the problem is if you want to add multiple conditions for three variables firstIsTrue, secondIsTrue and thirdIsTrue if you try like below then it won’t work The above example will not work because and/or conditions accepts only 2 parameters. So you can use in
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Inline Edit And Custom Lightning Components

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Inline Editing lets users quickly edit field values, right on a record’s detail pages.Below are the Custom Lightning Components support Inline Editing. Apex Controller: public class InlineEditController { @AuraEnabled public static List fetchAccount() { List lstOfAccount = [select id, Name, Rating, website from account LIMIT
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Events in Salesforce Lightning

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What is an Event ? Generally an event is a thing that happens or takes place. When we talk about events in JavaScript, they are simply a thing that happen to HTML element. There can be various types of events when we talk about HTML.
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Explain the working of Caching in Drupal?

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With the help of caching it speeds up the website performance of loading the pages. The different types are: Page caching: – It can be used for anonymous users if it’s get enabled. It enables the entire HTML page to be stored in a database
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What are the features of Drupal?

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This is the common Drupal Interview Questions asked in an interview. The main features are listed below: Easy to develop and manage the site. Open source and easily available. Highly flexible, creative and effective display of the website. Can be used in Multilingual. Performance is
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Explain PDO?

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Answer: PDO is referred as PHP Data Objects. It is a consistent way to access the database. It helps the developers to write code in the easier way. It is like a data access layer that uses a unified API. Drupal provides a database abstraction
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What is Node and Block in Drupal?

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Answer: In Drupal, if there is any new story or page, forum topic etc. is referred to as a node. Node module is responsible and takes care of adding, removing, and editing operation on any content in a website. A piece of information (block) can
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Explain ‘Core’ in Drupal briefly?

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Answer: Drupal uses the term mainly “Core”, which provides the wide extendibility of the features and functions. Drupal is based on Core modules, Core themes, Auto-update notification, database abstraction, and accessibility. Core module provides the different features like advanced search, books, blogs, comments, Multi-level menu
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What are global variables? How are these variable declared and what are the problems associated with using them?

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Global variables are those that are available throughout the length of the code, that is, these have no scope. The var keyword is used to declare a local variable or object. If the var keyword is omitted, a global variable is declared. Example: // Declare
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