Rishi Rathor has Published 184 Answers

How to insert new cell into UITableView using Swift?

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 17:13:43
To insert a new cell into UITableView we'll first have to create a table view cell and then add it to the table view using Cell for row at method of Table view.We can create a cell using Storyboard or by creating a nib of class UITableViewCell.In the View controller ... Read More

What is difference between UITableViewController and UIViewController?

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 17:02:22
UItableViewController and UIViewController are two different objects of iOS UIKit framework. Both are used for different purpose.A UIViewController class manages a ViewContoller which is responsible for actions that happen within that View controller. This class is aware of actions that happen on view controller, like ViewDidLoad, ViewWillApper, ViewDidAppear, ViewWillDisapper, ViewDidDisapper.Whereas, ... Read More

How to use images while developing iOS App in a Simulator?

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 16:51:34
Sometimes we need to test our iOS app with multiple cases and we may not have physical device all the time. For example if we need to see if image upload is working correctly but we do not have an actual iPhone then we may need to add more images ... Read More

Exact Radius and Size of iPhone App Icons

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 16:26:57
Every iPhone application needs some icons that are displayed when certain events occur, like when some new notification comes, or the icon for home screen or the icon that is displayed on spotlight.All these icons have different size properties but apart from their size there are some common properties they ... Read More

Intel 8212 in mode 0

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 15:51:02
The below fig shows clearly how 8212 works in the mode 0Fig: 8212 working in mode 0We use this mode generally when we want 8212 to function like an input port. An input device gets connected to DI7-0, and the microprocessor employed here receives the information on DOs ranging from ... Read More

8085 program to exchange content of HL register pair with DE register pair

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 15:35:54
In this program we will see how to exchange the content of DE and HL pair.Problem StatementWrite 8085 Assembly language program to swap the content of HL and DE register pair.DiscussionThis process is very simple, 8085 has XCHG instruction. This instruction swaps DE and HL pair content. We are storing ... Read More

8085 program to swap two 8-bit numbers

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 15:23:51
In this program we will see how to swap two numbers.Problem StatementWrite 8085 Assembly language program to swap two 8-bit number stored at location 8000Hand 8001H.DiscussionIn 8085, there is an instruction XCHG. Using this we can swap the contents of DE and HL values. We are taking the numbers and ... Read More

8085 program to find maximum and minimum of 10 numbers

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 15:08:06
In this program we will see how to find the maximum and minimum number in a block data.Problem StatementWrite 8085 Assembly language program to find the maximum and minimum number in a block often 8-bit numbers.DiscussionIn this program we are taking the first number of the block into register D ... Read More

8085 program to find 1's and 2's complement of 8-bit number

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 14:48:46
In this program we will see how to find 1's complement and 2's complement of an 8-bit number.Problem StatementWrite 8085 Assembly language program to find 1's complement and 2's complement of a number stored in 8000H.Discussion8085 has an instruction CMA. This instruction complements the content of Accumulator. For 1's complement ... Read More

8085 program to find the sum of first n natural numbers

Rishi Rathor
Rishi Rathor
Published on 22-Jan-2019 14:34:28
In this program we will see how to add first n natural numbers.Problem StatementWrite 8085 Assembly language program to add first N natural numbers. The value of N is provided.DiscussionWe are getting the value of N from memory location 8000H. We are using the number N as count variable, in ... Read More
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