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George John has Published 1081 Articles

George John
114 Views
To search a value in Java Decade Tuple, use the contains() method. It returns a booleans value i.e. TRUE if the element exist, else FALSE.Let us first see what we need to work with JavaTuples. To work with Decade class in JavaTuples, you need to import the following packageimport org.javatuples.Decade;Note ... Read More

George John
334 Views
At first, let us determine the current delimiter in MySQL using the following syntax\sThe above syntax will let you know about the current delimiter. Let us implement the above syntax.The query is as followsmysql> \sThe following is the outputC:\Program Files\MySQL\MySQL Server 8.0\bin\mysql.exe Ver 8.0.12 for Win64 on x86_64 (MySQL Community ... Read More

George John
9K+ Views
In this program we will see how to subtract two 16-bit numbers with and without borrow.Problem StatementWrite 8086 Assembly language program to subtract two 16-bit number stored in memory location 3000H – 3001H and 3002H – 3003H.Discussion8086 is 16-bit register. We can simply take the numbers from memory to AX ... Read More

George John
599 Views
To prevent MongoDB from returning the Object ID while finding a document, you need to set _id to 0. Let us first create a collection with documents> db.preventObjectIdDemo.insertOne( ... { ... ... "StudentName" : "Chris", ... "StudentDetails" : [ ... ... Read More

George John
182 Views
JSP gives you an option to specify Error Page for each JSP using page attribute. Whenever the page throws an exception, the JSP container automatically invokes the error page.Following is an example to specifiy an error page for a main.jsp. To set up an error page, use the directive. ... Read More

George John
477 Views
The return type of count is long. The Java statement is as followsrs.next(); long result= rs.getLong("anyAliasName");First, create a table with some records in our sample database test3. The query to create a table is as followsmysql> create table CountDemo -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY ... Read More

George John
277 Views
Let us first create a table in which one of the column is of datetime type;mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, ShippingDate datetime ); Query OK, 0 rows affected (0.54 sec)Insert some records in the table using insert command.mysql> insert into DemoTable(ShippingDate) ... Read More

George John
175 Views
Capped collections are fixed-size collections that support high-throughput operations that insert and retrieve documents based on insertion order. In order to set max on mongo capped collection, use the following syntaxdb.createCollection("yourCollectionName", {capped:true, size:yourSizeValue, max:yourMaxValue});Let us implement the above syntax in order to set max on mongo capped collection. Following is ... Read More

George John
129 Views
The parallel() method of the DoubleStream class returns an equivalent stream which is parallel.The syntax is as followsDoubleStream parallel()To use the DoubleStream class in Java, import the following packageimport java.util.stream.DoubleStream;The following is an example to implement DoubleStream parallel() method in JavaExample Live Demoimport java.util.*; import java.util.stream.DoubleStream; public class Demo { ... Read More

George John
2K+ Views
To query MySQL on the current week, you can use YEARWEEK() function.The syntax is as followsSELECT *FROM yourTableName WHERE YEARWEEK(yourDateColumnName) = YEARWEEK(NOW());To understand the above syntax, let us create a table. The query to create a table is as followsmysql> create table currentWeekDemo -> ( ... Read More