jQuery.noConflict() → jQuery

This helps to make sure that jQuery doesn't conflict with the $ object of other libraries. By using this function, you will only be able to access jQuery using the 'jQuery' variable. For example, where you used to do $("div p"), you now must do jQuery("div p").

Example:
Maps the original object that was referenced by $ back to $.
jQuery.noConflict();
// Do something with jQuery
jQuery("div p").hide();
// Do something with another library's $()
$("content").style.display = 'none';
Example:
Reverts the $ alias and then creates and executes a function to provide the $ as a jQuery alias inside the functions scope. Inside the function the original $ object is not available. This works well for most plugins that don't rely on any other library.
jQuery.noConflict();
(function($) {
$(function() {
// more code using $ as alias to jQuery
});
})(jQuery);
// other code using $ as an alias to the other library
Example:
Creates a different alias instead of jQuery to use in the rest of the script.
var j = jQuery.noConflict();
// Do something with jQuery
j("div p").hide();
// Do something with another library's $()
$("content").style.display = 'none';

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How to run .exe file in asp.net?

Steps to Access the .exe files using .net:

1). Import the below class in your file:
using System.Diagnostics;
2). Write this code on button_click event--
Process p = new Process();
p.StartInfo.FileName="c:\\windows\notepad.exe";
p.Start();

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How To Install And Configure Wibiya Web Toolbar For WordPres

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MySQL Alter Table Add Column Command

Alter Table command is used for modifying the structure of the table. Means to add the new column, drop the column etc.

ADD COLUMN:
Syntax:
ALTER TABLE table_name ADD COLUMN column_name column-definition [ FIRST | AFTER col_name ]
Note: We can use both ADD COLUMN or ADD for adding the column.

Example 1:
ALTER TABLE student ADD COLUMN st_phone varchar(12) NOT NULL, st_gender varchar(5) NOT NULL;

Example 3:
ALTER TABLE student ADD COLUMN st_phone varchar(12) NOT NULL AFTER st_mobile,ADD COLUMN st_gender varchar(5) NOT NULL AFTER st_name,ADD COLUMN st_id int FIRST;

Example 4:
ALTER TABLE student ADD (st_phone varchar(100), st_email varchar(200),st_address varchar(200));

Example 5:
ALTER TABLE student ADD COLUMN st_phone varchar(12) DEFAULT NULL;

Example 6:
ALTER TABLE student ADD COLUMN st_id int NOT NULL AUTO_INCREMENT PRIMARY KEY;

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MySQL Create Table Commands

Create Table command is used for creating tables in mysql.

Syntax 1:
CREATE TABLE [IF NOT EXISTS] table_name(
column_name1 type(size) constraints,
column_name2 type(size) constraints,
------------------------------------
------------------------------------
);

Constraints of tables: NOT NULL, AUTO_INCREMENT, PRIMARY KEY,UNIQUE
Note: The sequence of Constraints will be : NOT NULL, AUTO_INCREMENT, PRIMARY KEY,UNIQUE

Example:
CREATE TABLE student(
st_id int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
st_name varchar(200),
st_father varchar(200) NOT NULL
);

Syntax 2:
CREATE TABLE table_name(
column_name1 type(size) constraints,
column_name2 type(size) constraints,
------------------------------------
------------------------------------
column_name2 type(size) constraints,
PRIMARY KEY(column_name)
);

Example:
CREATE TABLE student(
st_id int(11) NOT NULL AUTO_INCREMENT,
st_name varchar(200),
st_father varchar(200) NOT NULL, PRIMARY KEY(st_id)
);

Syntax 3:
CREATE TABLE table_name SELECT column1,column2,column3 FROM table_name WHERE condition;

Note 1: The above syntax will create the backup of existing table, with the data structure and contents.

Note 2: The above command will not copy auto incremented fields and the primary key constraints.

Example:
CREATE TABLE student_backup SELECT * FROM student;

Show the structure of the table:

Syntax 1: DESC table_name;
Example: DESC student;

Syntax 2: EXPLAIN table_name;
Example: EXPLAIN student;

Syntax 3: EXPLAIN table_name;
Example: EXPLAIN student;

Note: EXPLAIN, DESC, DESCRIBE works as same way.

Syntax 4: SHOW CREATE TABLE table_name;
Example: SHOW CREATE TABLE student;

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How to connect MySQL with Java?

Steps to Connnect the MySQL with JDBC:
------------------------------------------
1). Download MySQL database.
2). Install it.
3). Download the mysql-connector-java-5.1.10, it depends on your JDBC version
4). It is a type 4 driver.
5). Extract the mysql-connector-java-5.1.10 and copy the "mysql-connector-java-[version]-bin-g.jar" into such location where you can find it easily.
6). Now set the "CLASSPATH" for that jar file.
7). Copy the code and paste it to your file:

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

public class MySQLCon {

  public static void main(String args[]) {
    Connection con = null;

    try {
      Class.forName("com.mysql.jdbc.Driver").newInstance();
      con = DriverManager.getConnection("jdbc:mysql:///DATABASE NAME","root", "");

      if(!con.isClosed())
        System.out.println("Successfully connected to MySQL server using TCP/IP...");

    } catch(Exception e) {
      System.err.println("Exception: " + e.getMessage());
    } finally {
      try {
        if(con != null)
          con.close();
      } catch(SQLException e) {}
    }
  }
}

8). Provide the Database Name and the credentials of the MySQL.
9). Compile it and run it.

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How to Connect MySQL with Java?

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