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Showing posts from December, 2020

Lets Generate a free SSL certificate and run an HTTPS server in 5 minutes or less (Node + Express + LetsEncrypt)

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  What you actually came for First , you need those few things: A server running on a linux distribution with root access (via SSH) NodeJS:  https://nodejs.org/en/ Express :  npm install express Certbot To install certbot, copy-paste those lines in a terminal : $  sudo add-apt-repository ppa:certbot/certbot $ sudo apt-get update $ sudo apt-get install certbot Second , you will generate an SSL certificate with certbot : $ certbot certonly --manual Type your domain name(s) without the protocol part. For instance:  yourdomain.com  or even  muchdomain.verysite. Type  Y  then  ENTER. Note two things : a-string :  The name of the file you have to create, right now. Just create it, we’ll take care of the directories later. a-challenge:  Open the file you just created and put this challenge string into it. Nothing else, just this challenge string. Now, don’t continue. You need to run a web server with Node & Express. Keep your terminal opened somewhere Create a directory with the name you
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How to download a file using command prompt (cmd) Windows?

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If you’re like most Internet users, you download various types of files now and then. You either download these files with your web browser or some download manager software. Have you ever considered downloading files using the command prompt i.e. CMD? If not, we recommend you to try it. It’s quite interesting apart from being very useful as well. In this article, we’ll show you how to download a file using command prompt aka CMD. How to download a file using command prompt?   There are several useful commands for the Command Prompt and one of them is  bitsadmin . Though bitsadmin has several uses, here we shall limit this article to its role in downloading files only. If you want to read the details about bitsadmin syntax, continue reading this section. Otherwise, you can scroll down to the next section –  Downloading a file .   The syntax of bitsadmin is : BITSADMIN [/RAWRETURN] [/WRAP | /NOWRAP] command   As you know, the parts of the syntax inside the square bra
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Angular 9 - User Registration and Login Example & Tutorial

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In this tutorial we'll go through an example of how to build a simple user registration, login and user management (CRUD) application with Angular 9. The project is available on GitHub at  https://github.com/cornflourblue/angular-9-registration-login-example . The Angular CLI was used to generate the base project structure with the  ng new <project name>  command, the CLI is also used to build and serve the application. For more info about the Angular CLI see  https://angular.io/cli . Styling of the example app is all done with Bootstrap 4.4 CSS, for more info about Bootstrap see  https://getbootstrap.com/docs/4.4/getting-started/introduction/ . Here it is in action:   (See on StackBlitz at  https://stackblitz.com/edit/angular-9-registration-login-example ) Running the Angular 9 Login Tutorial Example Locally Install NodeJS and NPM from  https://nodejs.org . Download or clone the Angular project source code from  https://github.com/cornflourblue/angular-9-registra
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How to Include ThreeJs in Your Projects

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HOW TO INCLUDE three.js IN YOUR PROJECTS There are quite a few different ways to include three.js in your JavaScript application, some of them simple, some of them a little more complex, however, they all boil down to one simple idea: you need to include one (and  only one) of these three files in your project: three.js three.min.js three.module.js You can view them all  on the three.js GitHub repo , which we’ll explore in the next chapter. Each of these files a version of the three.js core, meaning that once you’ve included one of them in your application, you are all ready to get started in creating beautiful 3D scenes. There are two main ways to include these files in your project: include them in a  script tag  in your HTML import them directly into your JavaScript files. We’ll explore how to do in Section Two What’s the Difference Between these Files? The  three.js  file is intended to be included in a  <script>  tag in your  index.html  file, like s
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