Tutorial by Examples: ha

The JWT RFC stablish three classes of claims: Registered claims like sub, iss, exp or nbf Public claims with public names or names registered by IANA which contain values that should be unique like email, address or phone_number. See full list Private claims to use in your own context...

You might have realized that $emit is scoped to the component that is emitting the event. That's a problem when you want to communicate between components far from one another in the component tree. Note: In Vue1 you coud use $dispatch or $broadcast, but not in Vue2. The reason being that it doesn'...

In most cases, the range_lookup is used as FALSE (an exact match). The default for this parameter is TRUE - it is less commonly used in this form, but this example shows one usecase. A supermarket gives a bonus based on the customers monthly spend. If the customer spends 250 EUR or more in a mon...

SKAction: let waitForOneSecond = SKAction.waitForDuration(1) let action = SKAction.runBlock(){action()} let sequence = SKAction.sequence([waitForOneSecond,action]) self.runAction(sequence) NSTimer: NSTimer.scheduledTimerWithTimeInterval(1, target: self, selector: #selector(action), userInfo: nil,...

h = 1.0 / n; #pragma omp parallel private(x) shared(n, h) { double thread_area = 0; // Private / local variable #pragma omp for for (i = 1; i <= n; i++) { x = h * (i - 0.5); thread_area += (4.0 / (1.0 + x*x)); } #pragma omp atomic ...

Tableau is a family of interactive data visualization products focused on Business Intelligence, varying from Tableau Server, aimed for enterprises who want to share dashboards and data across departments, to Tableau Public, that anyone can use for free and publish their dashboards on-line. Indepen...

Using the --config flag. $ /bin/mongod --config /etc/mongod.conf $ /bin/mongos --config /etc/mongos.conf Note that -f is the shorter synonym for --config.

<?php get_template_part( 'foo','bar' ); ?> Includes ../wp-content/themes/your-theme-slug/foo-bar.php

<?php get_template_part( 'dir/foo', 'bar' ); ?> Includes ../wp-content/themes/your-theme-slug/dir/foo-bar.php

SQLite.NET is an open source library which makes it possible to add local-databases support using SQLite version 3 in a Xamarin.Forms project. The steps below demonstrate how to include this component in a Xamarin.Forms Shared Project: Download the latest version of the SQLite.cs class and add...

Configuring a private registry to use an AWS S3 backend is easy. The registry can do this automatically with the right configuration. Here is an example of what should be in your config.yml file: storage: s3: accesskey: AKAAAAAACCCCCCCBBBDA secretkey: rn9rjnNuX44iK+26qpM4cDEo...

The TLC5940 is a handy item to have when you run out of PWM ports on the Arduino. It has 16 channels, each individually controllable with 12 bits of resolution (0-4095). An existing library is available at http://playground.arduino.cc/Learning/TLC5940. It is useful for controlling multiple servos or...

ProGuard allows the developer to obfuscate, shrink and optimize his code. #1 The first step of the procedure is to enable proguard on the build. This can be done by setting the 'minifyEnabled' command to true on your desired build #2 The second step is to specify which proguard files are we using...

In PubNub JavaScript v3, you could implement a unique callback for every channel that you subscribed to as long as you called the subscribe function for each channel and implemented the callback in that subscribe like this: var pubnub = new PubNub({ publishKey: "your-pub-key", s...

def hello puts "Hello readers" end hello # => "Hello readers" def hello puts "Hell riders" end hello # => "Hell riders"

puts "Hello readers".reverse # => "sredaer olleH" class String def reverse "Hell riders" end end puts "Hello readers".reverse # => "Hell riders"

You can access the exact same context as the method you override. class Boat def initialize(name) @name = name end def name @name end end puts Boat.new("Doat").name # => "Doat" class Boat def name "⛵ #{@name} ⛵" end end ...

What is an exception? Exception in PL/SQL is an error created during a program execution. We have three types of exceptions: Internally defined exceptions Predefined exceptions User-defined exceptions What is an exception handling? Exception handling is a possibility to keep o...

Install the required dependencies: 'org.apache.solr:solr-solrj:5.5.1' 'org.apache.httpcomponents:httpclient:4.3.6' 'com.ibm.watson.developer_cloud:java-sdk:3.2.0' The code below assumes you have a Solr collection with documents and you have trained a ranker, otherwise follow this tutorial pub...

The Hello World Web Script handles GET HTTP methods. But what if you want to create data on the server? For that your web script should handle POST. Here is a simple example that creates new folders in Company Home. It is invoked by making a POST call with a JSON body that looks like: {'name':'tes...