Tutorial by Examples: ddl



Retrofit requests can be logged using an intercepter. There are several levels of detail available: NONE, BASIC, HEADERS, BODY. See Github project here. Add dependency to build.gradle: compile 'com.squareup.okhttp3:logging-interceptor:3.8.1' Add logging interceptor when creating Retrofit:...
Define your class that will represent your custom error. public class ErrorDto { public int Code { get; set; } public string Message { get; set; } // other fields public override string ToString() { return JsonConvert.SerializeObject(this); } } Then put nex...
The idea is to use HttpContext.Response.OnStarting callback, as this is the last event that is fired before the headers are sent. Add the following to your middleware Invoke method. public async Task Invoke(HttpContext context) { context.Response.OnStarting((state) => { if ...
Instead of requesting an ILoggerFactory and creating an instance of ILogger explicitly, you can request an ILogger (where T is the class requesting the logger). public class TodoController : Controller { private readonly ILogger _logger; public TodoController(ILogger<TodoController...
First: The path structure If you don't have it you need to create the middleware folder within your app following the structure: yourproject/yourapp/middleware The folder middleware should be placed in the same folder as settings.py, urls, templates... Important: Don't forget to create the ini...
To make artisan migrate a fresh database before running tests, use DatabaseMigrations. Also if you want to avoid middleware like Auth, use WithoutMiddleware. <?php use Illuminate\Foundation\Testing\WithoutMiddleware; use Illuminate\Foundation\Testing\DatabaseMigrations; class ExampleTest ...
Middleware is executed prior to the route execution and can decide whether to execute the router according to the URL. var router = require('express').Router(); router.use(function (req, res, next) { var weekDay = new Date().getDay(); if (weekDay === 0) { res.send('Web is clos...
If you created an empty project, or you still don't have mvc configured in your application, you can add dependency: "Microsoft.AspNetCore.Mvc": "1.0.1" To your project.json file under "dependencies". And register MVC middleware in your Startup class: public void ...
To define a new middleware we have to create the middleware class: class AuthenticationMiddleware { //this method will execute when the middleware will be triggered public function handle ( $request, Closure $next ) { if ( ! Auth::user() ) { return red...
These functions are used to check Mouse Button Clicks. Input.GetMouseButton(int button); Input.GetMouseButtonDown(int button); Input.GetMouseButtonUp(int button); They all take the-same parameter. 0 = Left Mouse Click. 1 = Right Mouse Click. 2 = Middle Mouse Click. GetMouseButton i...
CSS div { width: 200px; height: 200px; background: url(http://lorempixel.com/200/200/abstract/6); mask-image: radial-gradient(circle farthest-side at center, transparent 49%, white 50%); /* check remarks before using */ } HTML In the above example, a transparent circle is created...
Middleware are attached to the app object, usually before listen is called. Example of a simple logging middleware: app.use(function (req, res, next) { console.log(`${req.method}: ${req.url}`) next() }) All this will do is log GET: /example if you where to GET localhost:3000/example. ...
If we would like to limit the access to our app, we could write a middleware for that too! This example only grants you access on thrusdays, but a real world example could, for example, be user authentication. A good place to put this would be after the logging middleware but before any content is s...
Middleware (also called pre and post hooks) are functions which are passed control during execution of asynchronous functions. Middleware is specified on the schema level and is useful for writing plugins. Mongoose 4.0 has 2 types of middleware: document middleware and query middleware. Document mid...
Since Laravel version 5.2.31 the web middleware is applied by default within the RouteServiceProvider (https://github.com/laravel/laravel/commit/5c30c98db96459b4cc878d085490e4677b0b67ed) In app/Providers/RouteServiceProvider.php you will find the following functions which apply the middleware on ev...
Install webpack-dev-middleware via npm npm i -D webpack-dev-middleware webpack-hot-middleware Modify webpack.config.js Add webpack-hot-middleware/client to each items defined in "entry" Add new webpack.HotModuleReplacementPlugin() to "plugins" module.export...
The whole point of using slick is to write as little SQL code as possible. After you have written your table definition, you will want to create the table in your database. If you have val table = TableQuery[MyModel] You can get the table definition (SQL code - DDL) running the following command: ...
An example of "before" middleware would be as follows: <?php namespace App\Http\Middleware; use Closure; class BeforeMiddleware { public function handle($request, Closure $next) { // Perform action return $next($request); } } while &quot...
When using the DllImport attribute you have to know the correct dll and method name at compile time. If you want to be more flexible and decide at runtime which dll and methods to load, you can use the Windows API methods LoadLibrary(), GetProcAddress() and FreeLibrary(). This can be helpful if the ...
From documentation: The HttpContext.Items collection is the best location to store data that is only needed while processing a given request. Its contents are discarded after each request. It is best used as a means of communicating between components or middleware that operate at different poi...

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