Tutorial by Examples: p

Detailed instructions on getting django-cms set up or installed.

The following are the steps to start an Eclipse remote debugger. This is useful when the application is not started from a server instance within Eclipse. This feature is really powerful and can also help debugging code which resides in the test or production environment. Let's have a look at the se...

Setup your view controller to manage editing of text for the text field. class MyViewController: UITextFieldDelegate { override viewDidLoad() { super.viewDidLoad() textField.delegate = self } } textFieldShouldReturn is called every time the return butto...

Detailed instructions on getting android-intent set up or installed.

Query: WITH generator ( value ) AS ( SELECT 1 FROM DUAL UNION ALL SELECT value + 1 FROM generator WHERE value < 10 ) SELECT value FROM generator; Output: VALUE ----- 1 2 3 4 5 6 7 8 9 10

Sample Data: CREATE TABLE table_name ( value VARCHAR2(50) ); INSERT INTO table_name ( value ) VALUES ( 'A,B,C,D,E' ); Query: WITH items ( list, item, lvl ) AS ( SELECT value, REGEXP_SUBSTR( value, '[^,]+', 1, 1 ), 1 FROM table_name UNION ALL SELECT value, ...

public class App : Application { internal static NavigationPage NavPage; public App () { // The root page of your application MainPage = new RootPage(); } } public class RootPage : MasterDetailPage { public RootPage() { var menuPage = ne...

The Windows API GetTickCount function returns the number of milliseconds since the system (computer) was started. The simplest example follows: var Start, Stop, ElapsedMilliseconds: cardinal; begin Start := GetTickCount; // do something that requires measurement Stop := GetTickCount; ...

What is XAMPP? XAMPP is the most popular PHP development environment. XAMPP is a completely free, open-source and easy to install Apache distribution containing MariaDB, PHP, and Perl. Where should I download it from? Download appropriate stable XAMPP version from their download page. Choose the ...

Detailed instructions on adding the required Camel dependencies. Maven Dependency One of the most common ways to include Apache Camel in your application is through a Maven dependency. By adding the dependency block below, Maven will resolve the Camel libraries and dependencies for you. <dep...

Assume an application with a MainActivity which can call the Next Activity using a button click. public class MainActivity extends AppCompatActivity { private final String LOG_TAG = MainActivity.class.getSimpleName(); @Override protected void onCreate(Bundle savedInstanceState) { ...

We will parse the highlighted tag data through NSXMLParser We have declared few properties as follows @property(nonatomic, strong)NSMutableArray *results; @property(nonatomic, strong)NSMutableString *parsedString; @property(nonatomic, strong)NSXMLParser *xmlParser; //Fetch xml data NSURLSe...

Pan gesture recognizers detect dragging gestures. The following example adds an image to a view controller and lets the user drag it around on screen. Objective-C - (void)viewDidLoad { [super viewDidLoad]; UIImageView *imageView = [[UIImageView alloc] initWithImage:[UIImage imageNa...

Avoid code repetition in constructors by setting a tuple of variables with a one liner: class Contact: UIView { private var message: UILabel private var phone: UITextView required init?(coder aDecoder: NSCoder) { (message, phone) = self.dynamicType.setUp() su...

let mySwitch: UISwitch = { view.addSubview($0) $0.addTarget(self, action: "action", forControlEvents: .TouchUpInside) return $0 }(UISwitch())

Move every outlet to an NSObject. Then drag an Object from the library to the controller scene of the storyboard and hook the elements there. class ContactFormStyle: NSObject { @IBOutlet private weak var message: UILabel! { didSet { message.font = UIFont.systemFontOfSize(12) ...

Add a key named Required background modes in property list (.plist) file .. as following picture.. And add following code in AppDelegate.h #import <AVFoundation/AVFoundation.h> #import <AudioToolbox/AudioToolbox.h> AppDelegate.m in application didFinishLaunchingWithOptions [[...

The following is a simple example of using the strategy pattern without a context class. There are two implementation strategies which implement the interface and solve the same problem in different ways. Users of the EnglishTranslation class can call the translate method and choose which strategy t...

Assuming the call to your web application's login handler looks like this: https://somepage.com/ajax/login.ashx?username=admin&password=123 Now in login.ashx, you read these values: strUserName = getHttpsRequestParameterString("username"); strPassword = getHttpsRequestParameterSt...

Intent: Define an interface for creating an object, but let sub classes decide which class to instantiate. Factory Method lets a class defer instantiation to sub classes. UML diagram: Product: It defines an interface of the objects the Factory method creates. ConcreteProduct: Implements Produc...