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Spring Security + JWT + REST API

We will create a sample application for JWT + Stateless Token + Spring Security + REST(JSON) API

1. Create a Spring Boot Project with following dependencies:
   • Spring Web
   • Spring Security
   • Spring Boot DevTools and Other dependencies

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Django Steps

Terminologies

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The architectural design pattern of django is MVT (Model-View-Template)

Django Project: It is a collection of applications and configurations that when combined together will make up the full web application.

Django Application: It is created to perform a particular functionality for the entire web application. It can work individually and can be plugged into a project due to its modularity. e.g. registration app, comments app, etc. These Django Apps can then be plugged into other Django Projects, so you can reuse them.

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Core.js

Versions
1	es5
2	es6
3	es2015
4	es7
5	es2016
6	es2017

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/**
 * Create a Symfony response for the given exception.
 *
 * @param  \Exception  $e
 * @return mixed
 */
protected function convertExceptionToResponse(Exception $e)
{
    if (config('app.debug')) {
        $whoops = new \Whoops\Run;

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Setting up github and bitbucket on the same computer

Github will be the main account and bitbucket the secondary.

Create SSH Keys

ssh-keygen -t rsa -C "github email"

Enter passphrase when prompted. If you see an option to save the passphrase in your keychain, do it for an easier life.

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Add Eclipse to the Unity Launcher - Ubuntu 14.04.4

All the commands accessible are under /usr/bin

sudo ln -s /path/to/eclipse/eclipse /usr/bin

Now, eclipse is accessible as eclipse from command line. Now, check Unity Launcher, you will find eclipse there as Unity Shell also checks inside /usr/bin.

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Implemenation to execute Command in CMD with java

public String execCmd(String cmd) throws java.io.IOException {
        java.util.Scanner s = new java.util.Scanner(Runtime.getRuntime().exec(cmd).getInputStream()).useDelimiter("\\A");
        return s.hasNext() ? s.next() : "";
}

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Could not resolve all dependencies for configuration ':profile'. Type 'gradle dependencies' for more information.

This is due to mismatching profiles in grails (web,web-plugin etc.). By default, it is specified in application.yml when we create grails 3 application. However, when we change from application.yml file to application.groovy, it would have been missed.

Just add this to application.groovy,

grails{
    profile = 'web-plugin'
 codegen{