Change UIView's Border Color and Thickness in Cocoa Touch

Jennifer Nicholas
Updated on 30-Jun-2020 05:13:43

637 Views

In this article we'll learn how to change a View's border color and thickness.This can be done in two ways as mentioned below.Method 1 − Writing the codeLet's suppose we have a view name backView, then to add a border color and thickness we can writebackView.layer.borderWidth = 5 // Or any integer valuebackView.layer.bordercolor = colorLiteral(red: 0.09019608051, green: 0, blue: 0.3019607961, alpha: 1) this code will add a border of 5 width and a dark blue color. Below is the output is produces.Method 2 − Creating an extension of UIView with designable and inspectable@IBDesignable class DesignableView: UIView { } extension UIView ... Read More

Exchange Content of HL Register Pair with DE Register Pair in 8085

Rishi Rathor
Updated on 30-Jun-2020 05:06:12

1K+ Views

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 some values to DE and HL pair directly, and then exchange them using XCHG.InputDE = 5678H HL = CDEFHFlow DiagramProgramAddressHEX CodesMnemonicsCommentsF00016, 56MVI D, 56HLoad D with56HF0021E, 78MVI E, 78HLoad D with78HF00426, CDMVI H, CDHLoad D with CDHF0062E, EFMVI L, EFHLoad D withEFHF008EBXCHGExchange the content of DE and HLF00976HLTTerminate the programOutputDE ... Read More

Find Sum of Digits of 8-Bit Number in 8085

Rishi Rathor
Updated on 30-Jun-2020 05:01:51

1K+ Views

In this program we will see how to add the digits of an 8-bit number.Problem StatementWrite 8085 Assembly language program to add the digits of an 8-bit number stored in memory location 8000H.DiscussionTo get the digits of an 8-bit number, we can use the masking operation. At first we will mask the upper nibble, and then the lower nibble. After masking the lower nibble, we have to rotate it to the right to make it least significant nibble. Then we can simply add it to the stored nibble to get the sum.InputAddressData......80008A......ProgramAddressHEX CodesMnemonicsCommentsF0003A, 00, 80LDA 8000HLoad the number into AF0034FMOV ... Read More

Characters Not Allowed in MongoDB Field Names

Smita Kapse
Updated on 29-Jun-2020 16:00:38

797 Views

Do not use $ symbol or period (.) because these characters are not allowed for MongoDB field names. The field shouldn’t start with $.Here is an example of the allowed characters −> db.charactersAllowedDemo.insertOne({"Employee Name" : "John"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5c7fefbc8d10a061296a3c6d") }Display all documents from a collection with the help of find() method. The query is as follows −> db.charactersAllowedDemo.find().pretty();The following is the output −{    "_id" : ObjectId("5c7fefbc8d10a061296a3c6d"),    "Employee Name" : "John" }

Remove Duplications from ArrayList Using TreeSet for ListView in Android

karthikeya Boyini
Updated on 29-Jun-2020 15:57:06

158 Views

This example demonstrate about How to remove duplications from arraylist using treeset for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                 In the above code, we have taken name as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the changes of listview.Step ... Read More

Remove Duplications from ArrayList Using LinkedHashSet for ListView in Android

Samual Sam
Updated on 29-Jun-2020 15:55:58

158 Views

This example demonstrate about How to remove duplications from arraylist using linked hashset for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                 In the above code, we have taken name as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the changes of ... Read More

Remove Duplications from ArrayList for ListView in Android

karthikeya Boyini
Updated on 29-Jun-2020 15:55:23

177 Views

This example demonstrate about How to remove duplications from arraylist for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                 In the above code, we have taken name as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the changes of listview.Step 3 − Add ... Read More

Insert Element to Linked List for ListView in Android

Samual Sam
Updated on 29-Jun-2020 15:54:26

371 Views

This example demonstrate about How to insert element to linked list for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                 In the above code, we have taken name as Edit text, when user click on save button it will store the data into array list. Click on refresh button to get the changes of listview.Step ... Read More

Insert Element to ArrayList for ListView in Android

karthikeya Boyini
Updated on 29-Jun-2020 15:53:41

3K+ Views

This example demonstrate about How to insert element to arraylist for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                 In the above code, we have taken name as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the changes of listview.Step 3 − Add ... Read More

Delete Element from Linked List for ListView in Android

Samual Sam
Updated on 29-Jun-2020 15:52:32

490 Views

This example demonstrate about How to delete element from linked list for listview in AndroidStep 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Step 2 − Add the following code to res/layout/activity_main.xml.                                       In the above code, we have taken name as Edit text, when user click on save button it will store the data into arraylist. Click on delete button to delete the ... Read More

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