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Palo it Interview Questions and Answers
Ques:- I have a String name & Map m, in my bean class. I have get & set methods on both.To Display the String name, i doThe above one works fine.Te below one, displays the entire Map contentsI know the KEY, how do i display the VALUE for that KEY
Ques:- Have you write templatetags? Whats the use of it?
Right Answer:
Yes, I have written custom template tags in Django. They are used to create reusable code snippets that can be used in templates to perform specific functions, such as formatting data or including complex logic directly within the template.
Ques:- How to create super user in django ?
Right Answer:
To create a superuser in Django, run the following command in your terminal:

```bash
python manage.py createsuperuser
```

Follow the prompts to enter a username, email, and password.
Ques:- what is some typical usage of middlewares in django?
Right Answer:
Typical usages of middleware in Django include:

1. Request and response processing (e.g., modifying requests/responses).
2. Session management (e.g., handling user sessions).
3. User authentication and authorization (e.g., checking user permissions).
4. Cross-Site Request Forgery (CSRF) protection.
5. Content Gzipping for performance optimization.
6. Logging and monitoring requests and responses.
7. Handling exceptions and errors globally.
Ques:- What is the use of database index (apart from fast searching of records);What is use of composite key ?
Right Answer:
A database index improves the performance of queries by allowing faster access to rows, reduces the amount of data that needs to be scanned, and can enforce uniqueness. A composite key is used to uniquely identify a record using two or more columns, which helps maintain data integrity and allows for more complex relationships between tables.
Ques:- What we do when the project delayed ?
Right Answer:
When a project is delayed, we assess the situation to identify the causes, communicate with stakeholders, adjust the project schedule, allocate additional resources if necessary, and implement corrective actions to get back on track.
Ques:- How many types of projects are there in project module?
Right Answer:
There are typically three types of projects in a project module:

1. **Internal Projects**
2. **External Projects**
3. **Research and Development (R&D) Projects**
Ques:- Explain project selection methods?
Right Answer:
Project selection methods are techniques used to evaluate and choose projects based on their potential value and alignment with organizational goals. Common methods include:

1. **Cost-Benefit Analysis**: Comparing the expected costs and benefits of a project to determine its feasibility.
2. **Scoring Models**: Assigning scores to projects based on predefined criteria to rank them.
3. **Payback Period**: Calculating the time it takes to recover the initial investment from the project's cash flows.
4. **Net Present Value (NPV)**: Assessing the profitability of a project by calculating the difference between the present value of cash inflows and outflows.
5. **Internal Rate of Return (IRR)**: Determining the discount rate that makes the NPV of a project zero, indicating its potential return.
6. **Portfolio Analysis**: Evaluating projects as part of a larger portfolio to balance risk and return.
7. **Expert Judgment**: Relying on the insights of experienced stakeholders
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