Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
The ftp_connect() function opens an FTB connection.Syntaxftp_connect(host,port,timeout);Parametershost − The FTP server to connect toport − The port of the FTP server. The default is 21. The host can be a domain or IP address.timeout − The timeout for network operationReturnThe ftp_connect() function returns an FTP stream on success or FALSE on errorExampleThe following is an example: to open an FTP connection, to work in it and closing it.
To add a new column that counts the number of rows as serial number, you can use the global variable in select statement.Let us create a table. The query to create a table is as follows:mysql> create table addColumnToCountAsSerialNumber -> ( -> Id int, -> Name varchar(20), -> Age int, -> Salary int -> ); Query OK, 0 rows affected (0.80 sec)Insert some records in the table using insert command. The query is as follows:mysql> insert into addColumnToCountAsSerialNumber values(10, 'John', 23, 8576); Query OK, 1 row affected (0.10 sec) mysql> insert into addColumnToCountAsSerialNumber values(12, ... Read More
In Sanskrit, Guru word is made up of two root words Gu and Ru. Gu means darkness, and Ru means remover. Thus, guru stands for the teacher who is the remover of darkness and is the harbinger of enlightenment.What is the Guru Brahma Mantra as?The auspicious mantra recited an chanted on teacher’s day and Guru Purnima is "Guru Brahma, Guru Vishnu, Guru Devo Maheshwara; Guru Sakshat Param Brahma, Tasmai Shri Guravay Namah".Meaning of Guru Brahma MantraGuru Brahma - Guru is Brahma, who is the Lord of Creation, also called as Generator, Guru Vishnu means Guru is Vishnu (Vishnu is the ... Read More
MySQL alias cannot be used with *. However, it can be used for individual column. The syntax is as follows −select anyaliasName.yourColumnName1 as anyaliasName1, anyaliasName.yourColumnName2 as anyaliasName2, anyaliasName.yourColumnName3 as anyaliasName3, anyaliasName.yourColumnName4 as anyaliasName4, . . . . N from yourTableName as anyaliasName;MySQL alias is a variable of table that can be used to access the column name of that particular table. To understand the above syntax, let us create a table.The query to create a table is as follows −mysql> create table TableAliasDemo −> ( −> Id int, −> Name varchar(100), −> Age int −> ... Read More
This example demonstrate about Android image scale animation relative to center point.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 button to show image scaling animation(Zoom animation).Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.view.animation.Animation; import android.view.animation.ScaleAnimation; import android.view.animation.TranslateAnimation; import android.widget.Button; import android.widget.ImageView; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity { ... Read More
The ftp_delete() function is used to delete a file on the FTP server.Syntaxftp_delete(con,myfile);Parameterscon − The FTP connectionmyfile − The file to be deletedReturnThe ftp_delete() function returns TRUE on success or FALSE on failureExampleThe following is an example to delete a file −
Use the clear() method to remove all values from TreeMap.Let us first create a TreeMap −TreeMap m = new TreeMap();Add some elements to the TreeMap −m.put(1, "PHP"); m.put(2, "jQuery"); m.put(3, "JavaScript"); m.put(4, "Ruby"); m.put(5, "Java"); m.put(6, "AngularJS"); m.put(7, "ExpressJS");Let us now remove all the values −m.clear();The following is an example to remove all values from TreeMap −Example Live Demoimport java.util.*; public class Demo { public static void main(String args[]) { TreeMap m = new TreeMap(); m.put(1, "PHP"); m.put(2, "jQuery"); ... Read More
The MySQL LIMIT is applied after ORDER BY. Let us check the limit condition. Firstly, we will create a table −mysql> create table LimitAfterOrderBy −> ( −> Id int, −> Name varchar(100) −> ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert command. The query is as follows −mysql> insert into LimitAfterOrderBy values(101, 'John'); Query OK, 1 row affected (0.18 sec) mysql> insert into LimitAfterOrderBy values(102, 'Carol'); Query OK, 1 row affected (0.15 sec) mysql> insert into LimitAfterOrderBy values(103, 'Bob'); Query OK, 1 row affected (0.21 sec) ... Read More
The Prelude is a long poem by William Wordsworth compiled into fourteen books. All these books trace his spiritual growth with the subtitle of the poem itself as its the theme, which is the growth of the poet's mind.Justification of the TitleThe title stands justified as Wordsworth describes how Nature began its mysterious work in his conscious and subconscious mind. He is convinced that there are hidden forces in Nature impacting him inadvertently right from the time he was a young boy and he thus, recounts a few incidents and comments upon their significance in shaping up his mind. The ... Read More
A file attribute can be changed to read-only by using the method java.io.File.setReadOnly(). This method requires no parameters and it returns true if the file is set to read-only and false otherwise. The method java.io.File.canWrite() is used to check whether the file can be written to in Java and if not, then the file is confirmed to be read-only.A program that demonstrates this is given as follows −Example Live Demoimport java.io.File; public class Demo { public static void main(String[] args) { boolean flag; try { File file = new File("demo1.txt"); ... Read More