Node.js

How to enable v8 inspector for debugging and profiling? –inspect –inspect=<PORT NO> NodeJS is advised to be used for? Single Page Applications JSON APIs based Applications Data steaming applications Data …

Compile time & run time

Q1. Difference between Run time and compile time? A: To become an executable program, source code should be compiled into machine code. This compilation process is known as compile time. …

jQuery

Q: What is the difference between onload() and document.ready()? A: In a page, we can have only one onload function but we can have more than one document.ready function. Document.ready …

Javascript

Q1. What is JavaScript? A: JavaScript is a client side scripting language, that can be inserted into HTML pages and is understood by web browsers. Q2. What is ‘this’ keyword? …

MySql

Q1. What is the difference between Where and having clause? A: HAVING specifies search condition for a group or an aggregate function used in SELECT statement. HAVING is typically used …

Ruby On Rails

Q1: What does ruby name refer to? – Ruby on Rails A: Ruby names refer to the classes, variables, methods, constants and modules that help in the creation of the …

Magento

Q1. Explain Magento’s MVC architecture? Q2. What is EAV in Magento? Q3. How Magento ORM works? A: ORM stands for Object Relational Mapping. It is programming technique used to convert …

CodeIgniter

Q1. What are the features of codeigniter? Q2. Explain MVC in Codeigniter? Q3: What are the hooks in codeigniter? A: Hooks provides a means to tap into and modify the …

Joomla

Q1. If you have Joomla site with component named ‘hello’, model name as ‘hi’. What would be the model class name? A: HelloModelHi Q2.Does Joomla create MySql database during setup? …

WordPress

Q1. Can we schedule post for the future publishing date? Q2. What is the default storage engine while installing WordPress? Q3. Is there any database plugin for WP? Q4. What …