Trans Gulf Interview Questions and Answers

Q1. What is the use of namespace in Php?
Ans. 
Namespace in PHP is used to avoid naming conflicts between classes, functions, and variables.
• Namespace allows grouping of related classes, functions, and variables under a common name.

• It helps in organizing code and makes it easier to maintain.

• Namespace can be declared using the 'namespace' keyword followed by the namespace name.

• Example: namespace MyNamespace;

• To use a class or function from a namespace, we need to spec...read more
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Q2. Difference between interface and abstract class
Ans. 
Interface defines only method signatures while abstract class can have both method signatures and implementations.
• An interface can be implemented by multiple classes while an abstract class can only be extended by one class.

• An abstract class can have constructors while an interface cannot.

• An abstract class can have non-abstract methods while an interface can only have abstract methods.

• An abstract class can have instanc...read more
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Practical module need to solve and execute the progream

Q1. Need the linux server commands and OOP concept, CSS, etc
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Q2. All relavent of the oops, css, aws, mysql related questions. Eg: Primary key vs Unique. Write the joins query for left and inner join. Cat command for linux server. hide vs invisible. block ns display Abs...read more
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Q3. Write a program for login page with using session Database design for one example given by interviewer Palindrome program
Ans. 
Program for login page with session and palindrome program
• Create a login page with HTML and CSS

• Use PHP to handle form submission and validate user credentials

• Create a session for the logged-in user

• Design a database to store user information

• Write a program to check if a given string is a palindrome
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Q1. For our last company of the project details and module discussion. And Technology tech interview
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Q1. Sdlc process, MVC architecture, entity framework, SQL queries
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Q2. SQL queries, state vs stateless, url
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Q1. Merge sorted arrays
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Q1. Checking cache using python
Ans. 
Use Python's built-in 'functools' module to check cache for function results.
• Import 'functools' module

• Use 'lru_cache' decorator to cache function results

• Specify 'maxsize' parameter to limit cache size

• Use 'cache_info()' method to get cache statistics
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