ProgrammingKnowledge

Saturday, July 11, 2015

Bootstrap Tutorial For Beginners 6 - Adding Fixed Footer

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, 
initial-scale=1">
    <!-- The above 3 meta tags *must* come first in the 
head; any other head content must come 
*after* these tags -->
    <title>ProgrammingKnowledge</title>

    <!-- Bootstrap -->
    <link href="css/bootstrap.min.css" rel="stylesheet">
  </head>
  <body>
   <nav class="navbar navbar-default navbar-fixed-top">
  <div class="container">
   <button type="button" class="navbar-toggle" 
  data-toggle="collapse"
  data-target=".navbar-collapse">
   <span class="sr-only">Toggle navigation</span>
   <span class="icon-bar"></span>
   <span class="icon-bar"></span>
   <span class="icon-bar"></span>
   </button>
     <a class="navbar-brand" href="www.ProgrammingKnowledge.org">ProgrammingKnowledge</a>
   <div class="navbar-collapse collapse">
    <ul class="nav navbar-nav navbar-right">
 <li class="active"><a href="#" > Home </a></li> 
 <li><a href="#">About</a></li>
      <li class="dropdown">  
    <a href="#" class="dropdown-toggle" 
       data-toggle="dropdown">Learn <b 
class="caret"></b>
      <ul class="dropdown-menu">
   <li class="dropdown-header">Examples</li>
    <li><a href="#">C++</a></li>
       <li><a href="#">Java</a></li>
    <li class="divider"></li>
    <li class="dropdown-header">Tutorials</li>
    <li><a href="#">C++</a></li>
       <li><a href="#">Java</a></li>
   </ul>
     </li>   
 </ul>
   </div>
  </div>
</nav>

<div class="navbar navbar-inverse navbar-fixed-bottom">
<div class="container">
<div class="navbar-text pull-left">
<p>copyright ProgrammingKnowledge 2015</p>
</div>
</div>
</div>

    <!-- jQuery (necessary for Bootstrap's JavaScript 
plugins) -->
    <script src="
https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery
.min.js"></script>
    <!-- Include all compiled plugins (below), or include 
individual files as needed -->
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Bootstrap Tutorial For Beginners 4 - Creating Responsive Navbar with Dro...

<!DOCTYPE html>
<html lang="en">
   <head>
      <meta charset="utf-8">
      <meta http-equiv="X-UA-Compatible" content="IE=edge">
      <meta name="viewport" content="width=device-width, 
         initial-scale=1">
      <!-- The above 3 meta tags *must* come first in the 
         head; any other head content must come 
         *after* these tags -->
      <title>Bootstrap 101 Template</title>
      <!-- Bootstrap -->
      <link href="css/bootstrap.min.css" rel="stylesheet">
   </head>
   <body>
      <nav class="navbar navbar-default navbar-fixed-top">
         <div class="container">
            <button type="button" class="navbar-toggle" 
               data-toggle="collapse"
               data-target=".navbar-collapse">
            <span class="sr-only">Toggle navigation</span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="www.ProgrammingKnowledge.org">ProgrammingKnowledge</a>
            <div class="navbar-collapse collapse">
               <ul class="nav navbar-nav navbar-right">
                  <li class="active"><a href="#" > Home </a></li>
                  <li><a href="#">About</a></li>
                  <li class="dropdown">
                     <a href="#" class="dropdown-toggle" 
                        data-toggle="dropdown">
                        Learn <b 
                           class="caret"></b>
                        <ul class="dropdown-menu">
                           <li class="dropdown-header">Examples</li>
                           <li>
                     <a href="#">C++</a></li>
                     <li><a href="#">Java</a></li>
                     <li class="divider"></li>
                     <li class="dropdown-header">Tutorials</li>
                     <li><a href="#">C++</a></li>
                     <li><a href="#">Java</a></li>
                     </ul>
                  </li>
               </ul>
            </div>
         </div>
      </nav>
      <!-- jQuery (necessary for Bootstrap's JavaScript 
         plugins) -->
      <script src="
         https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery
         .min.js"></script>
      <!-- Include all compiled plugins (below), or include 
         individual files as needed -->
      <script src="js/bootstrap.min.js"></script>
   </body>
</html>

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Thursday, July 9, 2015

Bootstrap Tutorial For Beginners 3 - Row and Column in Grid System

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
    <title>Bootstrap 101 Template</title>

    <!-- Bootstrap -->
    <link href="css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
    <!--[if lt IE 9]>
      <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
      <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
    <![endif]-->
  </head>
  <body>
 <div class="container">
     <div class="row">      
    <div class="col-md-1">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-8">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-3">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  </div>
       <div class="row">      
    <div class="col-md-1">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-8">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-3">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  </div>
       <div class="row">      
    <div class="col-md-1">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-8">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  <div class="col-md-3">
  
     <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc suscipit convallis nisl, eget rutrum lectus commodo at. Pellentesque mattis justo vel augue pretium euismod. Interdum et malesuada fames ac ante ipsum primis in faucibus. Fusce eu turpis eros.</p>

 </div>
  </div>

   </div>
</div>
    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="js/bootstrap.min.js"></script>
  </body>
</html>

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Monday, June 1, 2015

Java Threads Tutorial 2 - How to Create Threads in Java by Extending Thr...

void start()
Creates a new thread and makes it runnable
This method can be called only once.

void run()
The new thread begins its life inside this method.

void stop() (deprecated)
The thread is being terminated.

package lesson1;
/*
 * Threads in Java 
 * Option 1 – extending class Thread
 */
class MyClass extends Thread {
 @Override
 public void run() {
  for(int i=0 ; i<10 ; i++) {
   System.out.println(Thread.currentThread().getId() + " Value : " + i );
  }

  try {
   Thread.sleep(100);
  } catch (InterruptedException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
  // the super doesn't anything,

  // but just for the courtesy and good practice

  super.run();
 }

}

public class Demo {

 public static void main(String[] args) {
  MyClass myClass = new MyClass();
  myClass.start(); // don't call run!    // (if you want a separate thread)
  MyClass myClass1 = new MyClass();
  myClass1.start();

 }

}

------------------------------------------------
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How do I create a thread in Java? -

Saturday, May 30, 2015

Android SQLite Database Tutorial 5 # Update values in SQLite Database ta...

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Name"
        android:id="@+id/textView"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Surname"
        android:id="@+id/textView2"
        android:layout_below="@+id/editText_name"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="Marks"
        android:id="@+id/textView3"
        android:layout_below="@+id/editText_surname"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/editText_name"
        android:layout_alignTop="@+id/textView"
        android:layout_toRightOf="@+id/textView"
        android:layout_toEndOf="@+id/textView" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/editText_surname"
        android:layout_alignTop="@+id/textView2"
        android:layout_toRightOf="@+id/textView2"
        android:layout_toEndOf="@+id/textView2" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/editText_Marks"
        android:layout_below="@+id/editText_surname"
        android:layout_toRightOf="@+id/textView3"
        android:layout_toEndOf="@+id/textView3" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Add Data"
        android:id="@+id/button_add"
        android:layout_below="@+id/editText_Marks"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginTop="76dp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="View All"
        android:id="@+id/button_viewAll"
        android:layout_alignBottom="@+id/button_add"
        android:layout_toRightOf="@+id/button_add"
        android:layout_toEndOf="@+id/button_add" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Update"
        android:id="@+id/button_update"
        android:layout_below="@+id/button_add"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textAppearance="?android:attr/textAppearanceLarge"
        android:text="id"
        android:id="@+id/textView_id"
        android:layout_below="@+id/editText_Marks"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/editText_id"
        android:layout_alignTop="@+id/textView_id"
        android:layout_toRightOf="@+id/textView3"
        android:layout_toEndOf="@+id/textView3" />
</RelativeLayout>

DatabaseHelper

package com.example.programmingknowledge.sqliteapp;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

/**
 * Created by ProgrammingKnowledge on 4/3/2015.
 */
public class DatabaseHelper extends SQLiteOpenHelper {
    public static final String DATABASE_NAME = "Student.db";
    public static final String TABLE_NAME = "student_table";
    public static final String COL_1 = "ID";
    public static final String COL_2 = "NAME";
    public static final String COL_3 = "SURNAME";
    public static final String COL_4 = "MARKS";

    public DatabaseHelper(Context context) {
        super(context, DATABASE_NAME, null, 1);
    }

    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL("create table " + TABLE_NAME +" (ID INTEGER PRIMARY KEY AUTOINCREMENT,NAME TEXT,SURNAME TEXT,MARKS INTEGER)");
    }

    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        db.execSQL("DROP TABLE IF EXISTS "+TABLE_NAME);
        onCreate(db);
    }

    public boolean insertData(String name,String surname,String marks) {
        SQLiteDatabase db = this.getWritableDatabase();
        ContentValues contentValues = new ContentValues();
        contentValues.put(COL_2,name);
        contentValues.put(COL_3,surname);
        contentValues.put(COL_4,marks);
        long result = db.insert(TABLE_NAME,null ,contentValues);
        if(result == -1)
            return false;
        else
            return true;
    }

    public Cursor getAllData() {
        SQLiteDatabase db = this.getWritableDatabase();
        Cursor res = db.rawQuery("select * from "+TABLE_NAME,null);
        return res;
    }

    public boolean updateData(String id,String name,String surname,String marks) {
        SQLiteDatabase db = this.getWritableDatabase();
        ContentValues contentValues = new ContentValues();
        contentValues.put(COL_1,id);
        contentValues.put(COL_2,name);
        contentValues.put(COL_3,surname);
        contentValues.put(COL_4,marks);
        db.update(TABLE_NAME, contentValues, "ID = ?",new String[] { id });
        return true;
    }
}

MainActivity

package com.example.programmingknowledge.sqliteapp;

import android.app.AlertDialog;
import android.database.Cursor;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;


public class MainActivity extends ActionBarActivity {
    DatabaseHelper myDb;
    EditText editName,editSurname,editMarks ,editTextId;
    Button btnAddData;
    Button btnviewAll;

    Button btnviewUpdate;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        myDb = new DatabaseHelper(this);

        editName = (EditText)findViewById(R.id.editText_name);
        editSurname = (EditText)findViewById(R.id.editText_surname);
        editMarks = (EditText)findViewById(R.id.editText_Marks);
        editTextId = (EditText)findViewById(R.id.editText_id);
        btnAddData = (Button)findViewById(R.id.button_add);
        btnviewAll = (Button)findViewById(R.id.button_viewAll);
        btnviewUpdate= (Button)findViewById(R.id.button_update);
        AddData();
        viewAll();
        UpdateData();
    }

    public void UpdateData() {
        btnviewUpdate.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        boolean isUpdate = myDb.updateData(editTextId.getText().toString(),
                                editName.getText().toString(),
                                editSurname.getText().toString(),editMarks.getText().toString());
                        if(isUpdate == true)
                            Toast.makeText(MainActivity.this,"Data Update",Toast.LENGTH_LONG).show();
                        else
                            Toast.makeText(MainActivity.this,"Data not Updated",Toast.LENGTH_LONG).show();
                    }
                }
        );
    }
    public  void AddData() {
        btnAddData.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                       boolean isInserted = myDb.insertData(editName.getText().toString(),
                                editSurname.getText().toString(),
                                editMarks.getText().toString() );
                        if(isInserted == true)
                            Toast.makeText(MainActivity.this,"Data Inserted",Toast.LENGTH_LONG).show();
                        else
                            Toast.makeText(MainActivity.this,"Data not Inserted",Toast.LENGTH_LONG).show();
                    }
                }
        );
    }

    public void viewAll() {
        btnviewAll.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                       Cursor res = myDb.getAllData();
                        if(res.getCount() == 0) {
                            // show message
                            showMessage("Error","Nothing found");
                            return;
                        }

                        StringBuffer buffer = new StringBuffer();
                        while (res.moveToNext()) {
                            buffer.append("Id :"+ res.getString(0)+"\n");
                            buffer.append("Name :"+ res.getString(1)+"\n");
                            buffer.append("Surname :"+ res.getString(2)+"\n");
                            buffer.append("Marks :"+ res.getString(3)+"\n\n");
                        }

                        // Show all data
                        showMessage("Data",buffer.toString());
                    }
                }
        );
    }

    public void showMessage(String title,String Message){
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setCancelable(true);
        builder.setTitle(title);
        builder.setMessage(Message);
        builder.show();
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}

Manifest

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.programmingknowledge.sqliteapp" >

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

-----------------------------------------------------------------------------
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Sunday, May 3, 2015

Microsoft Visual Studio Code in Ubuntu Linux

I found the answer to my question and posting the answer so it can help others. To download and install Visual Studio Code on Ubuntu . follow the steps below

Download Visual Studio Code for Linux
Extract the zip file VSCode-linux-x64.zip
Go inside the folder VSCode-linux-x64
double click and Run code executable to open Visual Studio Code .
You can right click on Visual Studio Code on toolbar (or launcher)
and select Lock to Launcher. this way you can launch the editor by
clicking it on launcher.

If you are using terminal follow the terminal commands

mkdir your_folder_name && cd your_folder_name unzip
../Downloads/VSCode-linux-x64.zip
./Code

This video will help you to download and install and use Visual Studio Code on Ubuntu if you still have some doubts

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Java Swing
C#
C++ Conversion

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Saturday, July 11, 2015

Bootstrap Tutorial For Beginners 6 - Adding Fixed Footer

Bootstrap Tutorial For Beginners 4 - Creating Responsive Navbar with Dro...

Thursday, July 9, 2015

Bootstrap Tutorial For Beginners 3 - Row and Column in Grid System

Monday, June 1, 2015

Java Threads Tutorial 2 - How to Create Threads in Java by Extending Thr...

Saturday, May 30, 2015

Android SQLite Database Tutorial 5 # Update values in SQLite Database ta...

Sunday, May 3, 2015

Microsoft Visual Studio Code in Ubuntu Linux

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