How the class “implementation” is represented in objective-c?

1

What is singleton in objective c?

1

Q.1 write aprogram to stack using linklist o insert 40 items? Q.2 write a program to implement circular queue with help of linklist?

2227

Does django support mongodb?

517

What is helper library?

989

How to set on/off a group of indicators in a single statement?

1906

How to change theme for login users?

3

Write a C program that will accept a hexadecimal number as input and then display a menu that will permit any of the following operations to be carried out: Display the hexadecimal equivalent of the one's complement. (b) Carry out a masking operation and then display the hexadecimal equivalent of the result. (c) Carry out a bit shifting operation and then display the hexadecimal equivalent of the result. (d) Exit. If the masking operation is selected, prompt the user lor the type of operation (bitwise and, bitwise exclusive or, or bitwise or) and then a (hexadecimal) value for the mask. If the bit shifting operation is selected. prompt the user for the type of shift (left or right), and then the number of bits. Test the program with several different (hexadecimal) input values of your own choice.

5412

What are the data classes in Kotlin? How are they defined?

222

How do you define middleware?

727

Can you drag and drop existing SQL structures directly onto a form?

1712

Write one line of code to get a list of names that start with character ‘j’?

906

Write a program to swap the content of two variables without using a third variable.

1126

Explain python’s pass by references vs pass by value. (Or) explain about python’s parameter passing mechanism?

927

What is flatmap in pyspark?

3