Tutorial by Examples: p

Starting with Android 3.1 all applications, upon installation, are placed in a stopped state. While in stopped state, the application will not run for any reason, except by a manual launch of an activity, or an explicit intent that addresses an activity ,service or broadcast. When writing system ap...

Override Pagination Style: Every available pagination style can be overridden by creating a new class that inherits from one of the available styles and then alters its parameters: class MyPagination(PageNumberPagination): page_size = 20 page_size_query_param = 'page_size' max_page...

The nil-coalescing operator <OPTIONAL> ?? <DEFAULT VALUE> unwraps the <OPTIONAL> if it contains a value, or returns <DEFAULT VALUE> if is nil. <OPTIONAL> is always of an optional type. <DEFAULT VALUE> must match the type that is stored inside <OPTIONAL>. T...

Lets assume that we have a complex api, with many generic views and some generic viewsets. We want to enable PageNumberPagination to every view, except one (either generic view or viewset, does not make a difference) for which we want a customized case of LimitOffsetPagination. To achieve that we n...

:help map-modes :nunmap can also be used outside of a monastery.

Function definition: def run_training(train_X, train_Y): Inputs variables: X = tf.placeholder(tf.float32, [m, n]) Y = tf.placeholder(tf.float32, [m, 1]) Weight and bias representation W = tf.Variable(tf.zeros([n, 1], dtype=np.float32), name="weight") b = tf.Variable(tf.zeros([...

This is an advanced subject, do not attempt without first understanding the other examples of this page. As stated in the official Django Rest Framework on pagination: Pagination is only performed automatically if you're using the generic views or viewsets. If you're using a regular APIView, you...

By using a module loader like Webpack we can benefit the built-in module system available in ES6 (as well as in TypeScript). We can then use the import and export features that allow us to specify what pieces of code can we are going to share between different parts of the application. When we then...

This example shows you how to implement proxy classes for your Minecraft Mod Application, which are used to initialize your mod. First of all you will need to implement the base CommonProxy.java class which contains the 3 mainly used method: public class CommonProxy { public void preInit(FMLP...

Next, you can either create your query using the QueryParser: See this post around overriding the default operator. // Create a query parser without a default field in this example (the first argument): QueryParser queryParser = new QueryParser("", analyzer); // Optionally, set the d...

Or you can achieve the same by constructing the query yourself using their API: See this tutorial around creating the BooleanQuery. BooleanQuery multiTermQuery = new BooleanQuery(); multiTermQuery.add(new TermQuery(new Term("field_name1", "field value 1")), BooleanClause.Occur...

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First get the Configuration File for Sign-in from Open link below [https://developers.google.com/identity/sign-in/android/start-integrating][1] click on get A configuration file Enter App name And package name and click on choose and configure services provide SHA1 Enable google SIGNIN and g...

In your sign-in activity's onCreate method, configure Google Sign-In to request the user data required by your app. GoogleSignInOptions gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN) .requestEmail() .build(); create a GoogleApiClient object wi...

<?php /* * Plugin Name: Custom Admin Menu */ class SO_WP_Menu { private $plugin_url; public function __construct() { $this->plugin_url = plugins_url( '/', __FILE__ ); add_action( 'plugins_loaded', array( $this, 'init' ) ); } public funct...

override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. let imageView = UIImageView(frame: CGRect(x: CGFloat(0), y: CGFloat(50), width: CGFloat(320), height: CGFloat(320))) view.addSubview(imageVi...

Most of the web applications use the session object to store some important information. This examples show how you can test such application using Flask-Testing. Full working example is also available on github. So first install Flask-Testing in your virtualenv pip install flask_testing To be ...

With the virtual hard drive just created, boot the virtual machine with the android-x86 image in the optical drive. Once you boot, you can see the grub menu of the Live CD Choose the Debug Mode Option, then you should see the shell prompt. This is a busybox shell. You can get more shell by swi...

With the virtual hard drive just created, boot the virtual machine with the android-x86 image as the optical drive. In the booting options of the Live CD choose "Installation - Install Android to hard disk" Choose the sda1 partition and install android and we'll install grub. Reboot t...

For those who haven't played with these two designs, the scope of lazy and eager is within a specific Session of SessionFactory. Eager loads everything instantly, means there is no need to call anything for fetching it. But lazy fetch usually demands some action to retrieve mapped collection/object....