Tutorial by Examples: me

In xCode Navigator window go to Targets section. Press Add New Target. Select Notification Content Extension template: In your info.plist file set the identifier for UNNotificationExtensionCategory key: NSExtensionAttributes: UNNotificationExtensionCategory (Required) The value of t...

A common mistake is to forget surrounding compound function arguments with parentheses, leading to type errors. # string_of_int 1+1;; Error: This expression has type string but an expression was expected of type int This is because of the precedence. In fact, the above evaluates to # (string...

Generic type parameters are commonly defined at the class or interface level, but methods and (rarely) constructors also support declaring type parameters bound to the scope of a single method call. class Utility // no generics at the class level { @SafeVarargs public static <T> T ...

You can define methods and classes within JShell: jshell> void speak() { ...> System.out.println("hello"); ...> } jshell> class MyClass { ...> void doNothing() {} ...> } No access modifiers are necessary. As with other blocks, semicolons are require...

1) IP based vhosts <VirtualHost 192.168.13.37> ServerName example.com DocumentRoot /var/www/domains/example.com/html ErrorLog /var/log/example.com/error.log CustomLog /var/log/example.com/access.log common </VirtualHost> <VirtualHost 192.168.47.11> ...

Interceptors are a good tool for implementing cross-cutting concerns such as logging or authentication. Let's say we have a following service: public interface IService { string CreateOrder(NetworkCredential credentials, Order orderToCreate); string DeleteOrder(NetworkCredential credenti...

To create a customization plugin, you simply create a class derived from CustomizationPlug and package it into customization. While the system is publishing customization project, it will execute the OnPublished and UpdateDatabase methods implemented in your customization plugin only within the curr...

Once you become familiar with the code to call one method on one Google service, you will be able to infer how to call any method on any Google service. First, we make a connection to the service using the credential object instantiated in the previous example: CloudResourceManagerService service ...

<# .SYNOPSIS Gets the content of an INI file. .DESCRIPTION Gets the content of an INI file and returns it as a hashtable. .INPUTS System.String .OUTPUTS System.Collections.Hashtable .PARAMETER FilePath Specifies the path to the input INI file. .EXAMPLE ...

<# .SYNOPSIS Reads a CSV file and filters it. .DESCRIPTION The ReadUsersCsv.ps1 script reads a CSV file and filters it on the 'UserName' column. .PARAMETER Path Specifies the path of the CSV input file. .INPUTS None. You cannot pipe objects to ReadUsersCsv.ps1. ...

The following VHDL model drives signal s from two different processes. As the type of s is bit, an unresolved type, this is not allowed. -- File md.vhd entity md is end entity md; architecture arc of md is signal s: bit; begin p1: process begin s <= '0'; wait; e...

Once you become familiar with the code to call one method on one Google service, you will be able to infer how to call any method on any Google service. First, we make a connection to the service using the credential object instantiated in the previous example: service = build( SERVICE_NAME, ...

public function createCustomer($data , $token)//pass form data and token id { $customer=Customer::create(array( "email"=>$data['email'], "description" => $data['name'], "source" => $token // obtained with Stripe.js )); return $cus...

public function addCard($cust_id, $token) { $retriveResult=Customer::retrieve($cust_id); $tokendata = Token::retrieve($token); $newcard = $tokendata['card']; $flag = 1; foreach ($retriveResult['sources']['data'] as $card) { if($card['fingerprint'] === $newcard['f...

all errors and exceptions, both custom and default, are handled by the Handler class in app/Exceptions/Handler.php with the help of two methods. report() render() public function render($request, Exception $e) { //check if exception is an instance of ModelNotFoundException. if ($e in...

It is a good practice to add comments that describe the code. It is helpful for others and even for the coder when returned later. A single line can be commented using the % symbol or using the shortkey Ctrl+R. To uncomment a previously commented line remove the % symbol or use shortkey Crtl+T. W...

It may be necessary to nest HTML tags inside of each other. Element interpolation is done in a syntax similar to variable interpolation; square brackets instead of curly braces are used here. The syntax of interpolated HTML elements is identical to the implementation of normal HTML elements. index....

function a(x = 5) { "use strict"; } is invalid JavaScript and will throw a SyntaxError because you cannot use the directive "use strict" in a function with Non-Simple Parameter list like the one above - default assignment x = 5 Non-Simple parameters include - Default a...

In this example I will be using oauth2 in rest api with redis database Important: You will need to install redis database on your machine, Download it from here for linux users and from here to install windows version, and we will be using redis manager desktop app, install it from here. ...

ClassDeclaration's Name is bound in different ways in different scopes - The scope in which the class is defined - let binding The scope of the class itself - within { and } in class {} - const binding class Foo { // Foo inside this block is a const binding } // Foo here is a let binding...