1.java

MyApplication mApplication = (MyApplication)getApplicationContext();
String username = mApplication.getUsername();
String password = mApplication.getPassword();

2.java

public class MyApplication extends Application {
	private static MyApplication singleton;
	
	public MyApplication getInstance(){
		return singleton;
	}
	@Override
	public void onCreate() {
		super.onCreate();
		singleton = this;
	}
}

AndroidManifest.xml

<application android:icon="@drawable/icon" android:label="@string/app_name" android:name="MyApplication">

creating-arrays-in-java.html.java

int[] myArr = new int[3];
Car[] myCars = new Car[3];
myArr[0] = 32;
myArr[1] = 12;
myArr[2] = 50;
myCars[0] = new Car("BMW");
myCars[1] = new Car("VOLVO");
myCars[2] = new Car("FIAT");
String[] myStrings = {"one", "two", "three", "four", "five"};
String[] copiedStrings = new String[4];
// 1 is the start position in the orginal position
// 0 is the start position in the copyTo position
System.arraycopy(myStrings, 1, copiedStrings, 0, 4);
{"two", "three", "four", "five"}

MyApplication.java

public class MyApplication extends Application {

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
		super.onConfigurationChanged(newConfig);
	}

	@Override
	public void onCreate() {
		super.onCreate();
	}

	@Override
	public void onLowMemory() {
		super.onLowMemory();
	}

	@Override
	public void onTerminate() {
		super.onTerminate();
	}

}

posts.html

<!-- content for http://king370.blogspot.com/2013/02/paperclip-rails.html -->

<img alt="Phone_large" src="http://asciicasts.com/system/photos/1/small/phone_large.jpg?1238845838" />

<!-- content for http://king370.blogspot.com/2014/02/chrome-doesnt-allow-decimal-values-in.html -->

<input type="number" />
<input type="number" min="5" />
<input type="number" step="2" />
<input type="number" step="0.3" />
<input type="number" step="any" />
<input type="number" step="any" min="0" />

posts.html.erb

<!-- content for http://king370.blogspot.com/2013/02/paperclip-rails.html -->

<% form_for @product, :html => { :multipart => true } do |form| %>
  <ol class="formList">
    <!-- Other fields go here... -->
    <li>
      <%= form.label :photo, "Photo" %>
      <%= form.file_field :photo %>
    <li>
      <%= form.submit "Submit" %>
    </li>
  </ol>
<% end %>
<%= image_tag @product.photo.url %>
<%= image_tag @product.photo.url(:small) %>

posts.java

// content for http://king370.blogspot.com/2013/02/implementing-android-push-notifications.html

UAirship.takeOff(this, options);
PushManager.enablePush();
String apid = PushManager.shared().getAPID();
Logger.info("My Application onCreate - App APID: " + apid);
String action = intent.getAction();
if (action.equals(PushManager.ACTION_PUSH_RECEIVED)) {
  //do your code here to handle action 
} else if (action.equals(PushManager.ACTION_NOTIFICATION_OPENED)) {
  //do your code here to handle action
} else if (action.equals(PushManager.ACTION_REGISTRATION_FINISHED)) {
  //do your code here to handle action
}
String apid = intent.getStringExtra(PushManager.EXTRA_APID);

posts.properties

# content for http://king370.blogspot.com/2013/02/implementing-android-push-notifications.html

gcmSender             = Your Google API Project Number
transport             = gcm
developmentAppKey     = App Key obtained from Urbanairship
developmentAppSecret  = App Secrete obtained from Urbanairship
# productionAppKey    = Your Production App Key
# productionAppSecret = Your Production App Secret
inProduction          = false

posts.rb

# content for http://king370.blogspot.com/2013/02/paperclip-rails.html

add_column :products, :photo_file_name,    :string
add_column :products, :photo_content_type, :string
add_column :products, :photo_file_size,    :integer
add_column :products, :photo_updated_at,   :datetime
class Product < ActiveRecord::Base
  belongs_to :category
  has_attached_file :photo
end
has_attached_file :photo, :styles => { :small => "150x150>" }
has_attached_file :photo, :styles => { :small => "150x150>" },
  :url  => "/system/:attachment/:id/:style/:basename.:extension",
  :path => ":rails_root/public/system/:attachment/:id/:style/:basename.:extension"
has_attached_file :photo, :styles => { :small => "150x150>" },
  :url  => "/assets/products/:id/:style/:basename.:extension",
  :path => ":rails_root/public/assets/products/:id/:style/:basename.:extension"
validates_attachment_presence     :photo
validates_attachment_size         :photo, :less_than    => 5.megabytes
validates_attachment_content_type :photo, :content_type => ['image/jpeg', 'image/png']

# content for http://king370.blogspot.com/2013/02/how-to-prevent-browsers-from-caching.html

before_filter :set_cache_buster

def set_cache_buster
  response.headers["Cache-Control"] = "no-cache, no-store, max-age=0, must-revalidate"
  response.headers["Pragma"] = "no-cache"
  response.headers["Expires"] = "Fri, 01 Jan 1990 00:00:00 GMT"
end

posts.sh

# content for http://king370.blogspot.com/2013/02/paperclip-rails.html

script/plugin install git://github.com/thoughtbot/paperclip.git
script/generate paperclip product photo
# OR
rails generate paperclip product photo

posts.xml

<!-- content for http://king370.blogspot.com/2013/02/implementing-android-push-notifications.html -->

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  android:versionCode="1"
  android:versionName="1.0" package="com.urbanairship.push.sample">

  <!-- minSdkVersion sets runtime compatibility ("will run on API level 4") -->
  <!-- targetSdkVersion should be set to the latest version tested, to disable compatibility modes
  ("was tested with API level 9 features") -->
  <uses-sdk android:minSdkVersion="4" android:targetSdkVersion="9"/>
    
  <!-- REQUIRED PERMISSIONS (for Urban Airship GCM) -->
  <uses-permission android:name="android.permission.INTERNET"/>
  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
  <uses-permission android:name="android.permission.VIBRATE"/>
  
  <!-- GCM requires a Google account. -->
  <uses-permission android:name="android.permission.GET_ACCOUNTS" />
  <!-- Keeps the processor from sleeping when a message is received. -->
  <uses-permission android:name="android.permission.WAKE_LOCK" />

  <!-- This app has permission to register with GCM and receive message -->
  <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />

  <!-- MODIFICATION REQUIRED - Replace "com.urbanairship.push.sample" with your package name -->
  <permission android:name="com.urbanairship.push.sample.permission.C2D_MESSAGE" android:protectionLevel="signature" />
  <uses-permission android:name="com.urbanairship.push.sample.permission.C2D_MESSAGE" />
  <!-- The two elements above ensure that only this application can receive the messages and registration result -->
  <!-- END Urban Airship Required Permissions -->

  <!-- OPTIONAL Urban Airship Settings -->
  <!-- REQUIRED FOR LOCATION -->
  <!-- Use ACCESS_COARSE_LOCATION if GPS access is not necessary -->
  <!-- uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /-->
  <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

  <!--  OPTIONAL - This permission is only necessary if your app has multiple processes -->
  <!--  <uses-permission android:name="android.permission.BROADCAST_STICKY" /> -->
  <!-- END OPTIONAL Urban Airship Settings -->

  <application android:label="@string/app_name"
    android:icon="@drawable/icon"
    android:name="com.urbanairship.push.sample.MyApplication"
    android:debuggable="true"
    android:allowClearUserData="true"
    android:enabled="true">

    <activity android:name="com.urbanairship.push.sample.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>

    <activity android:name="com.urbanairship.push.sample.PushPreferencesActivity" />
    <activity android:name="com.urbanairship.push.sample.LocationActivity" />

    <!-- REQUIRED for Urban Airship GCM-->
    <receiver android:name="com.urbanairship.CoreReceiver" />
    <receiver android:name="com.urbanairship.push.GCMPushReceiver"
      android:permission="com.google.android.c2dm.permission.SEND">       
      <intent-filter>
        <action android:name="com.google.android.c2dm.intent.RECEIVE" />
        <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
        
        <!-- MODIFICATION REQUIRED - Use your package name as the category -->
        <category android:name="com.urbanairship.push.sample" />
      </intent-filter>
    </receiver>

    <service android:name="com.urbanairship.push.PushService" android:label="Push Notification Service" />
    <service android:name="com.urbanairship.push.PushWorkerService" android:label="Push Notification Worker Service" />
    <service android:name="com.urbanairship.analytics.EventService" android:label="Event Service" />

    <!-- This is required for persisting preferences related to push and location -->
    <!-- MODIFICATION REQUIRED - Use your package name + ".urbanairship.provider" in the android:authorities -->
    <provider android:name="com.urbanairship.UrbanAirshipProvider"
      android:authorities="YOUR_PACKAGE_NAME.urbanairship.provider"
      android:exported="false"
      android:multiprocess="true" />
    <!-- END OF REQUIRED ITEMS -->

    <!-- OPTIONAL (for segments support) -->
    <service android:name="com.urbanairship.location.LocationService" android:label="Segments Service"/>

    <!-- OPTIONAL, if you want to receive push, push opened and registration completed intents -->
    <!-- Replace the receiver below with your package and class name -->
    <receiver android:name="com.urbanairship.push.sample.IntentReceiver" />
  </application>
</manifest>

prevent-browser-from-caching-asp-page.html.asp

' WARNING: you should run these statement before sending any HTML to the user.
' if in doubt, use Respose.Buffer = True to buffer all html 

Response.CacheControl = "no-cache"
Response.AddHeader "Pragma", "no-cache"
Response.Expires = -1

prevent-page-caching-in-jsp.html.html

<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-cache">
<meta http-equiv="Expires" content="Sat, 01 Dec 2001 00:00:00 GMT">

prevent-page-caching-in-jsp.html.jsp

<%
        response.setHeader( "Pragma", "no-cache" );
        response.setHeader( "Cache-Control", "no-cache" );
        response.setDateHeader( "Expires", 0 );
%>