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Articles by Ankith Reddy
Page 56 of 73
How to hide action bar in android?
This example demonstrate about How to hide action bar in android.Step 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 the digital clock view to show a clock.Step 3− Add the following code to java/MainActivity.xmlpackage com.example.myapplication; import android.annotation.TargetApi; import android.content.pm.ActivityInfo; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.view.Window; import android.view.WindowManager; public class MainActivity extends AppCompatActivity { @TargetApi(Build.VERSION_CODES.LOLLIPOP) @RequiresApi(api ...
Read MoreWhat's the difference between assignment operator and copy constructor in C++?
The Copy constructor and the assignment operators are used to initialize one object to another object. The main difference between them is that the copy constructor creates a separate memory block for the new object. But the assignment operator does not make new memory space. It uses reference variable to point to the previous memory block.Copy Constructor (Syntax)classname (const classname &obj) { // body of constructor }Assignment Operator (Syntax)classname Ob1, Ob2; Ob2 = Ob1;Let us see the detailed differences between Copy constructor and Assignment Operator.Copy ConstructorAssignment OperatorThe Copy constructor is basically an overloaded constructorAssignment operator is basically ...
Read MoreWhat is Radio Group in android?
Before getting into example, we should know, What is radio group in android. Radio Group contains group of radio buttons. Using radio buttons we can select and un select according to user requirements.This example demonstrate about how to use radio group in android.Step 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. ...
Read MoreWhat is the use of Cookie or hidden fields in JSP?
CookiesA webserver can assign a unique session ID as a cookie to each web client and for subsequent requests from the client they can be recognized using the received cookie.This may not be an effective way as the browser at times does not support a cookie. It is not recommended to use this procedure to maintain the sessions.Hidden Form FieldsA web server can send a hidden HTML form field along with a unique session ID as follows −This entry means that, when the form is submitted, the specified name and value are automatically included in the GET or the POST ...
Read MoreHow to delete Session data in JSP?
When you are done with a user's session data, you have several options −Remove a particular attribute − You can call the public void removeAttribute(String name) method to delete the value associated with the particular key.Delete the whole session − You can call the public void invalidate() method to discard an entire session.Setting Session timeout − You can call the public void setMaxInactiveInterval(int interval) method to set the timeout for a session individually.Log the user out − The servers that support servlets 2.4, you can call logout to log the client out of the Web server and invalidate all sessions ...
Read More8086 program to add the content of one segment to another segment
In this program we will see how to add two 8-bit numbers which are in different segments.Problem StatementWrite 8086 Assembly language program to add content of memory location 2000:500 and 3000:600, and store the final result at 5000:700.DiscussionHere we are initializing the CX register with the base address of first operand. Also store this into data segment register. Now take the number from offset 500 to AX. Now point CX to 3000, and load DS with 3000. Then add the AX with data at position 3000:0600, and store result at AX. Now again load CX as 5000, and store the ...
Read MoreFind minimum unused value in a MySQL table?
You can use LEFT JOIN to find minimum unused value in a MySQL table. Let us first create a tablemysql> create table FindValue -> ( -> SequenceNumber int -> ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command. The query is as follows −mysql> insert into FindValue values(109); Query OK, 1 row affected (0.14 sec) mysql> insert into FindValue values(110); Query OK, 1 row affected (0.15 sec) mysql> insert into FindValue values(111); Query OK, 1 row affected (0.13 sec) mysql> insert into FindValue values(113); Query OK, 1 row affected (0.13 ...
Read More8086 program to multiply two 8-bit numbers
In this program we will see how to multiply two 8-bit numbers.Problem StatementWrite 8086 Assembly language program to multiply two 8-bit numbers stored in memory address offset 500 and 501.DiscussiontIn 8086 there is MUL instruction. So the task is too simple. Here we are taking the numbers from memory and after that performing the multiplication operation. As 8-bit numbers are taken, after multiplication AX (16-bit) will store the result.InputAddressData……5009950125…… Flow Diagram Program OutputAddressData……6001D60116……
Read MoreIterate through Decade Tuple in Java
To iterate through Decade Tuple, work it like any other collection in Java i.e. using a for loop, iterate and display the elements. 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: Download JavaTuples Jar library to run JavaTuples program. If you are using Eclipse IDE, then Right Click Project -> Properties -> Java Build Path -> Add External Jars and upload the downloaded JavaTuples jar file. Refer the below guide for all the steps to run JavaTuples:Steps: How to run JavaTuples program ...
Read MoreMySQL query to get max id from varchar type and the values in numeric?
Use CAST() in MAX() to get max id from varchar type and values in numeric. Let us first create a table. Here, we have a column with varchar type −mysql> create table DemoTable ( UserMarks varchar(20) ); Query OK, 0 rows affected (0.77 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('77'); Query OK, 1 row affected (0.10 sec) mysql> insert into DemoTable values('98'); Query OK, 1 row affected (0.17 sec) mysql> insert into DemoTable values('45'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable values('56'); Query OK, 1 row affected (0.18 ...
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