Tutorial by Examples: reat

val a = Array(3) { i -> i * 2 } // creates an Array<Int> of size 3 containing [0, 2, 4]
val a = arrayOfNulls<Int>(3) // creates an Array<Int?> of [null, null, null] The returned array will always have a nullable type. Arrays of non-nullable items can't be created uninitialized.
A typical example of the implementation of a Looper thread given by the official documentation uses Looper.prepare() and Looper.loop() and associates a Handler with the loop between these calls. class LooperThread extends Thread { public Handler mHandler; public void run() { Lo...
First of all you need to create AVAssetWriter NSError *error = nil; NSURL *outputURL = <#NSURL object representing the URL where you want to save the video#>; AVAssetWriter *assetWriter = [AVAssetWriter assetWriterWithURL:outputURL fileType:AVFileTypeQuickTimeMovie error:&error]; if (!...
kern_thread.c #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/kthread.h> #include <linux/sched.h> #define AUTHOR "Nachiket Kulkarni" #define DESCRIPTION "Simple module that demonstrates creati...
Each x sigil call respective sigil_x definition Defining Custom Sigils defmodule MySigils do #returns the downcasing string if option l is given then returns the list of downcase letters def sigil_l(string,[]), do: String.Casing.downcase(string) def sigil_l(string,[?l]), do: String.Casing...
The simplest way to use shelve is via the DbfilenameShelf class. It uses anydbm to store the data. You can use the class directly, or simply call shelve.open(): import shelve s = shelve.open('test_shelf.db') try: s['key1'] = { 'int': 10, 'float':9.5, 'string':'Sample data' } finally: ...
A simple OGL 4.0 GLSL shader program that shows the use of geometry shaders. The program is executed with a phyton script. To run the script, PyOpenGL and NumPy must be installed. In this example, the entire geometry (a cylinder) is generated in the geometry shader. Vertex shader geo.vert #vers...
<?xml version="1.0"?> <openerp> <data noupdate="1"> <function model="*model_name*" name="_configure_sales"/> </data> </openerp> This simple xml file is calls _configure_sales function from model_name ...
We will add a file on Google Drive. We will use the createFile() method of a Drive object to create file programmatically on Google Drive. In this example we are adding a new text file in the user’s root folder. When a file is added, we need to specify the initial set of metadata, file contents, and...
The Xamarin Forms Entry control does not have a MaxLength property. To achieve this you can extend Entry as below, by adding a Bindable MaxLength property. Then you just need to subscribe to the TextChanged event on Entry and validate the length of the Text when this is called: class CustomEntry ...
Get the source code from the NopCommerce website and open it in Visual Studio In the plugins folder of NopCommerce solution, add a project of type class library with the plugin name prefixed by Nop.Plugin like Nop.Pugin.CategoryName.PluginName as the name. Then build the solution. Dele...
To define your own menu, create an XML file inside your project's res/menu/ directory and build the menu with the following elements: <menu> : Defines a Menu, which holds all the menu items. <item> : Creates a MenuItem, which represents a single item in a menu. We can also create a n...
Drupal console brings scaffolding to the Drupal ecosystem and makes it easy to generate a content entity. In most instances you will find it easier to work with a custom entity within a custom module. Step 1 : Generate a module vendor/bin/drupal generate:module Follow the prompts and create yo...
Let's create a new project, I'm choosing Single View Application for better demonstration Drag a page view controller to the storyboard, there are 2 things you should change after that: Set the page view controller as initial view controller Change the transition style to scroll ...
<cfcomponent displayname="myAPI" output="false"> <cffunction name="init" access="public" output="no"> <!--- do some basic stuff ---> <cfreturn this> </cffunction> <cffunction name=&q...
This example shows how to override ToString method in generated class // create an Assembly and new type var name = new AssemblyName("MethodOverriding"); var dynAsm = AppDomain.CurrentDomain.DefineDynamicAssembly(name, AssemblyBuilderAccess.RunAndSave); var dynModule = dynAsm.DefineDyn...
To create a NSUserActivity object, your app must declare the types of activities it supports in its Info.plist file. Supported activities are defined by your application and should be unique. An activity is defined using a reverse-domain style naming scheme (i.e. "com.companyName.productName.ac...
import tensorflow as tf # good idea tf.reset_default_graph() # DO MODEL STUFF # Pretrained weighting of 2.0 W = tf.get_variable('w', shape=[], initializer=tf.constant(2.0), dtype=tf.float32) # Model input x x = tf.placeholder(tf.float32, name='x') # Model output y = W*x y = tf.multiply(W,...
For creating custom annotations we need to decide Target - on which these annotations will work on like field level, method level, type level etc. Retention - to what level annotation will be available. For this, we have built in custom annotations. Check out these mostly used ones: @Target...

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