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Elait Interview Questions and Answers
Ques:- How do we make python scripts executable?
Comments
Admin May 17, 2020

Python scripts can be executed in two ways:
Suppose I want to execute script1.py
We can open the script1.py in IDE editor & run the script in the frontmost window of the python IDE by hitting the run all button.
Second way is using command prompt by making sure PATH is set appropriately directly type script name else type
>>>python script1.py

Ques:- How you can set up the database in django?
Right Answer:
To set up the database in Django, follow these steps:

1. Install the database adapter (e.g., `psycopg2` for PostgreSQL).
2. In your Django project, open `settings.py`.
3. Locate the `DATABASES` setting and configure it with your database details, like this:

```python
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.postgresql', # or 'sqlite3', 'mysql', etc.
'NAME': 'your_database_name',
'USER': 'your_username',
'PASSWORD': 'your_password',
'HOST': 'localhost', # or your database host
'PORT': '5432', # or your database port
}
}
```

4. Run `python manage.py migrate` to create the necessary database tables.
5. Optionally, create a superuser with `python manage.py createsuperuser` for admin access.
Ques:- What is the difference between deep and shallow copy?
Comments
Admin May 17, 2020

• Shallow copy is used when a new instance type gets created and it keeps the values that are copied in the new instance. Whereas, deep copy is used to store the values that are already copied.
• Shallow copy is used to copy the reference pointers just like it copies the values. These references point to the original objects and the changes made in any member of the class will also affect the original copy of it. Whereas, deep copy doesn’t copy the reference pointers to the objects. Deep copy makes the reference to an object and the new object that is pointed by some other object gets stored. The changes made in the original copy won’t affect any other copy that uses the object.
• Shallow copy allows faster execution of the program and it depends on the size of the data that is used. Whereas, deep copy makes it slower due to making certain copies for each object that is been called.

Ques:- Write a pgm that implements polymorphism.
Right Answer:
```csharp
using System;

class Animal
{
public virtual void Speak()
{
Console.WriteLine("Animal speaks");
}
}

class Dog : Animal
{
public override void Speak()
{
Console.WriteLine("Dog barks");
}
}

class Cat : Animal
{
public override void Speak()
{
Console.WriteLine("Cat meows");
}
}

class Program
{
static void Main(string[] args)
{
Animal myDog = new Dog();
Animal myCat = new Cat();

myDog.Speak(); // Output: Dog barks
myCat.Speak(); // Output: Cat meows
}
}
```
Ques:- Dot Net Framework basics
Right Answer:
The .NET Framework is a software development platform developed by Microsoft that provides a large library and supports various programming languages, primarily C# and VB.NET. It enables developers to build and run applications on Windows, offering features like memory management, security, and interoperability with other languages and technologies. The framework includes the Common Language Runtime (CLR) for executing code and the .NET Class Library for building applications.
Elait is a forward-thinking company that specializes in providing innovative solutions in the field of artificial intelligence (AI) and machine learning (ML). Established in 2015, Elait has quickly risen to prominence due to its cutting-edge technology and dedication to solving complex problems. The company's primary focus is on developing AI-powered software products that cater to various industries, including healthcare, finance, retail, and manufacturing. Their team of skilled engineers and data scientists work tirelessly to create custom solutions tailored to the unique needs of each client. One of Elait's flagship products is an advanced predictive analytics platform that helps businesses make data-driven decisions and optimize their operations. By analyzing large volumes of data in real-time, the platform can identify patterns, trends, and insights that enable organizations to improve efficiency, reduce costs, and drive growth. In addition to their software products, Elait also offers consulting services to help companies integrate AI and ML technologies into their existing workflows. Their team provides expert guidance on everything from data collection and preprocessing to model development and deployment. Elait is committed to staying at the forefront of technological innovation and regularly invests in research and development to enhance their capabilities. Through collaboration with leading academic institutions and industry partners, they continue to push the boundaries of what is possible with AI and ML. Overall, Elait is a trusted partner for businesses looking to leverage the power of artificial intelligence to gain a competitive edge in today's fast-paced digital economy. With their expertise and dedication to excellence, they are poised to remain a leader in the field for years to come.
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