Tutorial by Examples: in

Here is an example of an IntentService that pretends to load images in the background. All you need to do to implement an IntentService is to provide a constructor that calls the super(String) constructor, and you need to implement the onHandleIntent(Intent) method. public class ImageLoaderIntentSe...

The exposition pipe operator, %$%, exposes the column names as R symbols within the left-hand side object to the right-hand side expression. This operator is handy when piping into functions that do not have a data argument (unlike, say, lm) and that don't take a data.frame and column names as arg...

Python's built-in crypto functionality is currently limited to hashing. Encryption requires a third-party module like pycrypto. For example, it provides the AES algorithm which is considered state of the art for symmetric encryption. The following code will encrypt a given message using a passphrase...

This code adds outwardly increasing shadows to an image to create a "sticker" version of the image. Notes: In addition to being an ImageObject, the "img" argument can also be a Canvas element. This allows you to stickerize your own custom drawings. If you draw text on the Can...

Once shadowing is turned on, every new drawing to the canvas will be shadowed. Turn off further shadowing by setting context.shadowColor to a transparent color. // start shadowing context.shadowColor='black'; ... render some shadowed drawings ... // turn off shadowing. context.shadowColor=...

Warning! Apply shadows sparingly! Applying shadowing is expensive and is multiplicatively expensive if you apply shadowing inside an animation loop. Instead, cache a shadowed version of your image (or other drawing): At the start of your app, create a shadowed version of your image in a secon...

Canvas does not have CSS's inner-shadow. Canvas will shadow the outside of a filled shape. Canvas will shadow both inside and outside a stroked shape. But it's easy to create inner-shadows using compositing. Strokes with an inner-shadow To create strokes with an inner-shadow, use destinat...

INSERT INTO Invoices [ /* column names may go here */ ] VALUES (123, '1234abc', '2016-08-05 20:18:25.770', 321, 5, '2016-08-04'); Column names are required if the table you are inserting into contains a column with the IDENTITY attribute. INSERT INTO Invoices ([ID], [Num], [DateTime], [Tota...

To get the list of all backup operations performed on the current database instance: SELECT sdb.Name AS DatabaseName, COALESCE(CONVERT(VARCHAR(50), bus.backup_finish_date, 120),'-') AS LastBackUpDateTime FROM sys.sysdatabases sdb LEFT OUTER JOIN msdb.dbo.backupset bus ON bus.database_nam...

CREATE TABLE [dbo].[Customers] ( CustomerID INT DEFAULT (NEXT VALUE FOR [dbo].[CustomersSeq]) NOT NULL, CustomerName VARCHAR(100), );

INSERT INTO [dbo].[Customers] ([CustomerName]) VALUES ('Jerry'), ('Gorge') SELECT * FROM [dbo].[Customers] Results CustomerIDCustomerName10001Jerry10002Gorge

DELETE FROM [dbo].[Customers] WHERE CustomerName = 'Gorge'; INSERT INTO [dbo].[Customers] ([CustomerName]) VALUES ('George') SELECT * FROM [dbo].[Customers] Results CustomerIDCustomerName10001Jerry10003George

SCOPE_IDENTITY() returns the last identity value inserted into an identity column in the same scope. A scope is a module: a stored procedure, trigger, function, or batch. Therefore, two statements are in the same scope if they are in the same stored procedure, function, or batch. INSERT INTO ([col...

Depending on the structure of your data, you can create variables that update dynamically. DECLARE @CurrentID int = (SELECT TOP 1 ID FROM Table ORDER BY CreateDate desc) DECLARE @Year int = 2014 DECLARE @CurrentID int = (SELECT ID FROM Table WHERE Year = @Year) In most cases, you will want...

Detailed instructions on getting zend-framework set up or installed.

Example of setting the isolation level: SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; SELECT * FROM Products WHERE ProductId=1; SET TRANSACTION ISOLATION LEVEL REPEATABLE READ; --return to the default one READ UNCOMMITTED - means that a query in the current transaction can't access the...

First, in addition to the normal Fresco Gradle dependency, you have to add the OkHttp 3 dependency to your build.gradle: compile "com.facebook.fresco:imagepipeline-okhttp3:1.2.0" // Or a newer version. When you initialize Fresco (usually in your custom Application implementation), you ...

Create a custom BitmapImageViewTarget to load the image into: public class CircularBitmapImageViewTarget extends BitmapImageViewTarget { private Context context; private ImageView imageView; public CircularBitmapImageViewTarget(Context context, ImageView imageView) { ...

Note: This example requires a valid Admob account and valid Admob ad code. Build.gradle on app level Change to the latest version if existing: compile 'com.google.firebase:firebase-ads:10.2.1' Manifest Internet permission is required to access the ad data. Note that this permission does not h...

Implicit intents do not name a specific component, but instead declare a general action to perform, which allows a component from another app to handle it. For example, if you want to show the user a location on a map, you can use an implicit intent to request that another capable app show a specif...