A.I, Data and Software Engineeringback-end development
As the two common method for securing the cloud, the differences between NACL (network access control list) and security groups have been discussed below: Network ACLSecurity GroupNetwork Access Control List that helps provide a layer of security to the amazon web services. There are two kinds of NACL- Customized and default.A security group has to be explicitly assigned to an instance; it...
In this post, we will discuss why it is important to override equals and hashCode method in Java/Kotlin. Item 9 in Josh Bloch’s Effective Java suggests always override hashCode() method if the class overrides equals(). In this post, we will discuss why this is necessary and good practice. We know that two objects are considered equal only if their references point...
In the world of technology, there are vast numbers of users’ communicating with different devices in different languages. That also includes many ways in which they transmit data along with the different software they implement. Yes, we’re talking about “networking protocols” which are a set of rules that help in governing the way a particular technology will function for...
Amazon EFS, Amazon EBS, and Amazon S3 are AWS’ three different cloud storage types that can be applied for different types of workload needs. Let’s take a closer look at the key features of each option, as well as the similarities and differences. Amazon EBS delivers high-availability block-level storage volumes for Amazon Elastic Compute Cloud (EC2) instances. It stores data on a file...
Multi-touch gestures are very useful in many common scenarios, such as zooming, panning. For game development, handling multi-touch is essential. This post will give a quick guide for handling multi-touch points. Project structure We create a new project name MultiTouch with Java and add a new class named GameScene as a subclass of android.view.View. The basic GameScene class is as follows...
A.I, Data and Software Engineering