Pathfinder Business Analysis Software Engineer Intern Interview Questions and Answers

Q1. How does Django apply migrations to the database?
Ans. 
Django applies migrations to the database using the 'manage.py migrate' command.
• Django tracks changes to models and generates migration files accordingly.

• The 'manage.py makemigrations' command creates migration files based on model changes.

• The 'manage.py migrate' command applies the generated migration files to the database.

• Migrations help keep the database schema in sync with the changes in Django models.
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Q2. What is hoisting in javascript?
Ans. 
Hoisting in JavaScript is the behavior where variable and function declarations are moved to the top of their containing scope during the compilation phase.
• Variable declarations are hoisted to the top of their scope, but not their assignments.

• Function declarations are fully hoisted, meaning they can be called before they are declared.

• Hoisting can lead to unexpected behavior if not understood properly.
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Create a full stack application in 3 days.

Q1. MULTIPLE QUESTIONS OF OOPS
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Q2. Program of prime number
Ans. 
A program to find prime numbers within a given range
• Iterate through numbers in the given range

• Check if each number is divisible by any number other than 1 and itself

• If not divisible, it is a prime number
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Q3. Pseudo code of finding ones in a number
Ans. 
Count the number of ones in a given number using pseudo code
• Initialize a count variable to 0

• Iterate through each bit of the number and check if it is 1

• Increment the count if the bit is 1

• Return the count as the result
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Q4. Basic questions of sql and mongodb
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Q1. What are services in Drupal?
Ans. 
Services in Drupal are reusable objects that perform specific functions, such as database queries or sending emails.
• Services are defined in YAML files and can be accessed throughout a Drupal site.

• They are used to encapsulate reusable functionality and promote code reusability.

• Examples of services in Drupal include the database service for interacting with the database, the mail service for sending emails, and the logge
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Q2. How to debug in Drupal?
Ans. 
Debugging in Drupal involves using tools like Devel module, watchdog(), and error logs.
• Enable Devel module for debugging information

• Use watchdog() function to log messages to Drupal's watchdog log

• Check error logs for PHP errors and warnings

• Use dpm() function to print variables for debugging purposes
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Q1. Questions based on Java , C++ , OOPs, cloud computing, one coding question, regarding previous projects, some behavioural questions.
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Q1. Explain your backgroun
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Q1. About projects and internship
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Q2. About my experience leading a team
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