November 2019 - Sandny Blog

AWS

How to host GoDaddy domain with AWS EC2

November 23, 2019November 23, 2019
by Coder Kai

Many newbies find AWS and domain providers such as GoDaddy confusing to connect. But it is not a difficult task and you can host GoDaddy domain with AWS EC2 instantly.

To connect AWS with the domain we will have to use a service called Route53 (53 refers thee TCP/UDP port 53 for DNS serving). And also there won’t be any direct way to do without this service. You can use any AWS public gateway provider such as EC2, ELB, S3 to serve your website or server to the public domain you have on GoDaddy. The AWS usually charges about .51 USD per month to maintain this zone entry as well.

Java

Java 13 (JDK 13) -The New Features

November 18, 2019December 19, 2019
by Coder Kai

Java Development Kit (JDK) 13, the latest version of standard Java, is now available and release with some new features of,

1. Switch Expressions

This is one of the preveiew language feature defined in java 13.

Java 13 extends the previous Java 12 Switch Expressions by adding a new yield keyword to return a value from switch expression.So breaks syntax is no longer compiled in Java 13, it uses yield instead.

Java

Java 13 Switch Expressions

November 17, 2019November 20, 2019
by Coder Kai

This is another preview language feature defined in java 13. Java 13 extends the previous Java 12 Switch expressions by adding a new yield keyword to return a value from switch expression. So break syntax is no longer compiled in Java 13, it uses yield.

As traditional switch statement, there are many break statements make it unnecessarily verbose and hard to debug errors.

Docker

Nginx Load Balancer with docker for nodejs services

November 3, 2019December 11, 2019
by Coder Kai

Nginx Load Balancer with docker has become a fine recipe for managing services in closed systems. Although services like Kubernetes provide container orchestration, sometimes architecturally it could be an overkill. In this example, I will be showing how to use docker services using Nginx load balancer.

JavaScript

Create React App Using npx

November 3, 2019November 11, 2019
by Coder Kai

Here we are discussing creating react app using npx create-react-app. npx comes with npm 5.2 and higher.

Prerequisite: You need to install Node >= 8.10 on your machine.

Creating an app using npx command

npx create-react-app my-app

create-react-app set up the main structure of the application.

Important: If you previously installed create-react-app using npm, uninstall before using npx. Because npx always refer the latest version of libraries.

JavaScript

Difference Between npx and npm

November 2, 2019November 3, 2019
by Coder Kai

npm – Javascript package manager
npx – Execute npm package binaries ( a tool for executing node packages )

npx comes bundled with npm version 5.2+.

npm

If you want to run a package using npm, you must specify that package in your package.json file and install a package locally on a project:

npm install package-name

npx

npx is a npm package runner.