C Language Introduction
C is a procedural programming language initially developed by Dennis Ritchie in the year 1972 at Bell Laboratories of AT&T Labs. It was mainly developed as a system programming language to write the UNIX operating system.…
What is C?
C is a general-purpose, procedural, high-level programming language used in the development of computer software and applications, system programming, games, and more. C language was developed by Dennis M. Ritchie at the…
Java programming interview questions for 4 years
1. FizzBuzz Problem Question: Write a Java program that prints the numbers from 1 to 100. But for multiples of three, print "Fizz" instead of the number and for the…
Interview Questions for Java developer with 4 years experience
Core Java Explain the differences between ArrayList and LinkedList. ArrayList uses a dynamic array to store elements, while LinkedList uses a doubly linked list. ArrayList allows fast random access (O(1))…
Java Interview Questions and Answers for L2 and L3 Roles
What is polymorphism, and how is it achieved in Java? Polymorphism is the ability of an object to take on many forms. It is achieved in Java through method overloading…
PHP L3 (Advanced) Role Interview Questions and Answers
Explain the concept of dependency injection in PHP. Dependency injection involves passing dependencies (objects or services) to a class rather than the class creating them itself. This improves code modularity…
PHP L2 (Intermediate) Role Interview Questions
Explain the difference between include and require statements include includes and evaluates the specified file, and generates a warning if the file cannot be included, but the script will continue…
How to create new module in vtiger CRM?
Creating a new Entity Module vtlib simplifies the creation of new CRM modules. Developers can use the vtlib to develop vtigerCRM modules that add new functionality to the vtiger CRM.…
Vtiger Module Types
vtiger CRM modules can be classified into following types: Entity Module Extension Module Language Pack Bundles Entity Module Modules in this category will create entity records in vtiger CRM. The…
Vtiger vtlib
vtlib is a library to ease new module development for vtiger CRM. vtlib includes APIs to create ormodify the backend elements for a module. These APIs help make the necessary…