A.I, Data and Software Engineering

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SECURITY GROUPS VS NETWORK ACLS

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...

WHY DO WE NEED TO OVERRIDE EQUALS AND HASHCODE METHODS IN JAVA/Kotlin

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...

Network protocols quick notes

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...

Welcome 2021 with some fun

Wonder how these kids are doing now? Their answers are brilliantly fun. Some are typical examples of out of box thinking and it is really good for creativity. Imagination is more important than knowledgeAlbert Einstein Image credits: Douglass Image credits: Douglass Source: imgur Source: clivewhite.co.uk Source: funcage.com Source: imgur Source: picslap.com Source: addfunny.com Source: alittle...

AMAZON EBS VS S3 vs EFS

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...

A.I, Data and Software Engineering

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