Tutorial by Examples: n

Thanks to encoders and decoders, the JSR 356 offers a object oriented communication models. Messages definition Let's assume all received messages have to be transformed by the server before being sent back to all connected sessions: public abstract class AbstractMsg { public abstract void t...

import java.util.*; class Book { int id; String name,author,publisher; int quantity; public Book(int id, String name, String author, String publisher, int quantity) { this.id = id; this.name = name; this.author = author; this.publisher = p...

import java.util.*; enum days { SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY } public class EnumSetExample { public static void main(String[] args) { Set<days> set = EnumSet.of(days.TUESDAY, days.WEDNESDAY); // Traversing elements Itera...

public class localInner1{ private int data=30;//instance variable void display(){ class Local{ void msg(){System.out.println(data);} } Local l=new Local(); l.msg(); } public static void main(String args[]){ localInner1 obj=new localInner1(); obj.di...

The function Emitter.listenerCount(eventName) will return the number of listeners that are currently listening for the event provided as argument const EventEmitter = require("events"); class MyEmitter extends EventEmitter{} var emitter = new MyEmitter(); emitter .on("data&quot...

When a Qt event loop is used to perform operations and a non-Qt-saavy user needs to interact with that event loop, writing the slot to handle regular invocations from another thread can simplify things for other users. main.cpp: #include "OperationExecutioner.h" #include <QCoreApplic...

Naming When naming CSS variables, it contains only letters and dashes just like other CSS properties (eg: line-height, -moz-box-sizing) but it should start with double dashes (--) //These are Invalids variable names --123color: blue; --#color: red; --bg_color: yellow --$width: 100px; //Vali...

// sample token string taken from the New example tokenString := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJuYmYiOjE0NDQ0Nzg0MDB9.u1riaD1rW97opCoAuRCTy4w58Br-Zk-bh7vLiRIsrpU" // Parse takes the token string and a function for looking up the key. The latter is especially ...

The StandardClaim is embedded in the custom type to allow for easy encoding, parsing and validation of standard claims. tokenString := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c" type MyCustomCla...

// Create a new token object, specifying signing method and the claims // you would like it to contain. token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{ "foo": "bar", "nbf": time.Date(2015, 10, 10, 12, 0, 0, 0, time.UTC).Unix(), }) // Si...

The StandardClaims type is designed to be embedded into your custom types to provide standard validation features. You can use it alone, but there's no way to retrieve other fields after parsing. See the custom claims example for intended usage. mySigningKey := []byte("AllYourBase") //...

// Token from another example. This token is expired var tokenString = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJmb28iOiJiYXIiLCJleHAiOjE1MDAwLCJpc3MiOiJ0ZXN0In0.HE7fK0xOQwFEr4WDgRWj4teRPZ6i3GLwD5YCm6Pwu_c" token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error...

type contextKey string const ( // JWTTokenContextKey holds the key used to store a JWT Token in the // context. JWTTokenContextKey contextKey = "JWTToken" // JWTClaimsContextKey holds the key used to store the JWT Claims in the // context. JWTClaimsContex...

Object pollAnswered = getCurrentSession().createSQLQuery( "select * from TJ_ANSWERED_ASW where pol_id = "+pollId+" and prf_log = '"+logid+"'").uniqueResult(); with this query, you get a unique result when you know the result of the query is always going to b...

If you get a message that the browser can't connect to the server, first check to ensure the server is up. $ ps -aef | grep httpd You should see a few httpd processes if Apache is up and running.

For C# there exist many wrappers that offer an interface to communicate with OpenCL. OpenCL.NET: This is one of the most low level wrappers out there. It offers a complete implementation of the OpenCL API for C# without adding any abstraction at all. So C\C++ examples are easily ported for this ...

if I forget the password then I'll get error. $ mysql -u root -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES) I tried to solve the issue by first knowing the status: $ systemctl status mysql.service mysql.service - MySQL Community ...

In order to show an alert dialog containing a link which can be opened by clicking it, you can use the following code: AlertDialog.Builder builder1 = new AlertDialog.Builder(youractivity.this); builder1.setMessage(Html.fromHtml("your message,<a href=\"http://www.google.com\"&gt...

<?php $con = mysqli_connect("localhost", "root", "", "database"); ?>

Atom is versatile and flexible text editor and has hundreds of community-made, open-source packages that can compile and run source files, for many languages. This guide will show how easy it is to code Python with the Atom editor. This guide assumes you do not have Python nor Atom installed in you...