Arjun Thakur has Published 1025 Articles

IntStream boxed() method in Java

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

3K+ Views

The boxed() method of the IntStream class returns a Stream consisting of the elements of this stream, each boxed to an Integer.The syntax is as follows.Stream boxed()At first, create an IntStreamIntStream intStream = IntStream.range(20, 30);Now, use the boxed() method to return a Stream consisting of the elements of this stream, ... Read More

Add new MySQL table columns and create indexes?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

196 Views

To add a new MySQL table column and index, you can use ALTER TABLE command.The syntax is as followsALTER TABLE yourTableName ADD COLUMN yourColumnName dataType, ADD INDEX(yourColumnName );To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table AddColumnAndIndexDemo   ... Read More

Multiplexer/demultiplexer in 8085 Microprocessor

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

6K+ Views

Let us consider the instruction to be executed as “MOV A, C”. Here in this case the value of 8 bit in the register C must be moved to the register. The given set of registers namely B, C, D, E, H, and L must be connected to the internal ... Read More

Create a new user with password in MySQL 8?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

3K+ Views

You need to use CREATE command to create a new user with password in MySQL 8. Let us check the versionmysql> select version(); +-----------+ | version() | +-----------+ | 8.0.12    | +-----------+ 1 row in set (0.14 sec)The syntax is as follows to create a new user with passwordCREATE ... Read More

How to retrieve the documents whose values end with a particular character in MongoDB?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

2K+ Views

Following is the syntax to retrieve the documents whose values end with a particular character in MongoDBdb.yourCollectionName.find({yourFieldName: {$regex: "yourEndingCharacter$"}}).pretty();Let us first create a collection with documents>db.retrieveDocumentsWithEndsWithParticularCharacterDemo.insertOne({"StudentName":"Adam", "StudentAge":25, "StudentCountryName":"LAOS"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5c9c45b32d66697741252456") } >db.retrieveDocumentsWithEndsWithParticularCharacterDemo.insertOne({"StudentName":"Sam", "StudentAge":24, "StudentCountryName":"ANGOLA"}); {    "acknowledged" : true,    "insertedId" : ObjectId("5c9c45c02d66697741252457") ... Read More

Transpose a matrix in Python?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

3K+ Views

Transpose a matrix means we’re turning its columns into its rows. Let’s understand it by an example what if looks like after the transpose.Let’s say you have original matrix something like -x = [[1, 2][3, 4][5, 6]]In above matrix “x” we have two columns, containing 1, 3, 5 and 2, ... Read More

8085 program to add three 16 bit numbers stored in registers

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

2K+ Views

In this program we will see how to add three 16-bit numbers stored in register pairs.Problem StatementWrite 8085 Assembly language program to add three 16-bit numbers stored in register pair BC, DE and HL. Store the result at DE register pair.DiscussionIn this program we are storing the 16-bit numbers into ... Read More

What is the function of action in JSP?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

461 Views

This action lets you insert files into the page being generated. The syntax looks like this −Unlike the include directive, which inserts the file at the time the JSP page is translated into a servlet, this action inserts the file at the time the page is requested.Following table lists out ... Read More

Convert MySQL Unix-Timestamp format to date format?

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

662 Views

To achieve this, the following is the syntaxselect date_format(from_unixtime(yourColumnName), '%b %d, %Y %l:%i %p PDT') from yourTableName;To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table unixTimeStampFormatDemo    -> (    -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, ... Read More

Create Ennead Tuple from another collection in Java

Arjun Thakur

Arjun Thakur

Updated on 30-Jul-2019 22:30:25

139 Views

To create Ennead Tuple from another collection, use the fromCollection() method. Using this method, create an Ennead Tuple using List collection. Let us first see what we need to work with JavaTuples. To work with Ennead class in JavaTuples, you need to import the following package.import org.javatuples.Ennead;Note Download JavaTuples Jar ... Read More

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