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Adapter Design Pattern in Java: Mobile Charger

Posted: 30 Jan 2022 11:18 AM PST

In the video below, we take a closer look at the adapter design pattern in Java (Mobile Charger). This tutorial includes an introduction, example, implementation, and more. Let's get started!

The No-Code Guide to CRM Integration for Better Business

Posted: 30 Jan 2022 11:09 AM PST

An efficient business process is all about workflows. The more seamless the workflow, the more efficient your business processes are. This efficiency is something you'd also want to see in your marketing or sales funnel to ensure that both the customer and employee journey runs smoothly. This is where customer relationship management tools come in. Customer relationship management (CRM) refers to how a company uses technology to manage business relationships with existing customers and prospects. It's a centralized location where all prospect and customer data is stored and made accessible to members of an organization. CRM systems help increase company revenue by managing leads, contacts, deals, and email communications. By streamlining business processes, CRM systems also help your company provide excellent customer support, build lasting relationships, and acquire new customers.

One of the fastest-growing markets, the CRM software industry is predicted to grow at a compound annual growth rate (CAGR) of 10.6% from 2021 to 2028, as more customers demand better real-time customer experiences. This growth in the CRM software market is also helped by the growing dependence of consumers on digital channels to communicate with brands and companies. A recent survey shows that more than 67% of customers engage or interact with brands on social media. This interaction on social media platforms, in turn, helps provide brands and organizations with data on buyer behavior and preferences that help them craft appropriate strategies and deliver the best customer experience possible. Promising developments in technology also show great promise, allowing for automated conversations with customers, mobile CRM solutions, and software integrations with business intelligence (BI) tools.

A Comparison of Current Kubernetes Distributions

Posted: 30 Jan 2022 10:39 AM PST

This is an article from DZone's 2021 Kubernetes and the Enterprise Trend Report.

For more:


Read the Report

We have many options for native Kubernetes builds and deployments, like Google Kubernetes Engine (GKE), AWS Elastic Kubernetes Services (EKS), and Azure Kubernetes Service (AKS), or third-party services like Spinnaker and Jenkins. Large enterprises rely on a cloud-first strategy for digital transformation, and choosing a cloud-agnostic architecture is ideal. In this article, we discuss some of the many options for Kubernetes distributions, so please keep in mind: this is not an exhaustive list. So let's dive into adopting a cloud-native architecture, various K8s distributions, and selecting the right option for your use case. 

Accelerate the End-to-End Machine Learning Training Pipeline by Optimizing I/O

Posted: 30 Jan 2022 06:39 AM PST

This article is the first in a series introducing the architecture and solution to accelerate machine learning model training. The next article compares traditional solutions and explains how this new approach differs. 

Background: The Unique Requirements of AI/ML Model Training

With artificial intelligence (AI) and machine learning (ML) becoming more pervasive and business-critical, organizations are advancing their AI/ML capabilities and broadening the use and scalability of AI/ML applications. These AI/ML applications require data platforms to meet the following specific requirements:

How To Do Inline Event Handling in Svelte?

Posted: 30 Jan 2022 05:25 AM PST

In this post, we will learn how to perform inline event handling in Svelte. This type of event handling becomes useful in case we want to perform some action for a list item when the user clicks that particular list item on the screen.

This post derives from our previous post about Svelte Keyed Each Block. If you wish to know more about each block in Svelte, you can check out this post.

Introduction to Couchbase for Oracle Developers and Experts: Part 4: Data Modeling

Posted: 30 Jan 2022 04:52 AM PST

There are three things important in the database world: Performance, Performance, and Performance.  Bruce Lindsay

Here's Part 1, Part 2, and Part 3 of this series.

Let me start with a real-world effect of right modeling on the application performance.  Here's the excerpt from a talk by Amadeus engineers on their customer experience management application (traveler loyalty app) which they migrated from an enterprise RDBMS to Couchbase.  

Advanced Kubernetes Deployment Strategies

Posted: 29 Jan 2022 05:44 PM PST

This is an article from DZone's 2021 Kubernetes and the Enterprise Trend Report.

For more:


Read the Report

In the modern technology landscape, Kubernetes is a widely adopted platform that enables organizations to deploy and manage applications at scale. The container orchestration platform simplifies infrastructure provisioning for microservice-based applications, which empowers efficient workload management through modularity. Kubernetes supports various deployment resources to help implement CI/CD pipelines using updates and versioning. While Kubernetes offers rolling updates as the default deployment strategy, several use cases require a non-conventional approach to deploying or updating cluster services. 

Common Performance Management Mistakes

Posted: 29 Jan 2022 05:42 PM PST

This is an article from DZone's 2021 Application Performance Management Trend Report.

For more:


Read the Report

Performance in any cloud-distributed application is key to successful user experience. Thus, having a deep understanding of how to measure performance and what metric IO pattern to use is quite important. In this article, we will cover the following: 

Mule Aggregator Connector

Posted: 29 Jan 2022 05:03 PM PST

What is Aggregator Connector?

As the name suggests, it means it Aggregates/Accumulates a set of data. Aggregation can be further achieved in 3 different ways:

  1. Size-Based Aggregator
  2. Group-Based Aggregator
  3. Time-Based Aggregator

Let's start exploring each of these functionalities in detail with a demo.

Data Mining in IoT: From Sensors to Insights

Posted: 29 Jan 2022 10:54 AM PST

In a typical enterprise use case, you always start from something small to evaluate the technology and the solution you would like to implement, a so-called "Proof Of Concept" (POC). This very first step is fundamental to understanding technology's potential and limits, checking the project's feasibility, and estimating the possible Return on Investment (ROI).

This is exactly what we did in the use-case of a people counting solution for a university. This first project phase aimed to identify how the solution's architecture should look and what kind of data insights are relevant to provide.

Chaos Engineering Has Evolved Since Netflix's Chaos Monkey Days

Posted: 29 Jan 2022 10:54 AM PST

Check out the transcript and video from our conversation below.

Viktor: Jason, can you tell us a little bit about yourself? And how did you end up in this field of chaos engineering?

Service Mesh 101: The Role of Envoy

Posted: 29 Jan 2022 10:54 AM PST

If you've done any reading about service meshes, you've probably come across mentions of an open-source project named Envoy. And if you've done any reading about Envoy, you've probably seen references to service meshes. How are these two technologies related? How are they different? Do they work together? I'll attempt to answer all those questions in this blog post's first and second parts, plus possibly a few more.

What Is a Service Mesh?

As companies are increasingly re-architecting their applications and embracing a microservices-based approach, the need for solutions to traffic management, observability, security, and reliability features increases. A service mesh is one approach to adding these features to the underlying platform instead of individual applications or services.

CockroachDB With SQLAlchemy and MIT Kerberos

Posted: 29 Jan 2022 09:25 AM PST

Articles Covering CockroachDB and Kerberos

I find the topic of Kerberos very interesting and my colleagues commonly refer to me for help with this complex topic. I am by no means an expert at Kerberos, I am however familiar enough with it to be dangerous. That said, I've written multiple articles on the topic which you may find below:

Part 1: CockroachDB with MIT Kerberos

Getting Started With JPA/Hibernate

Posted: 29 Jan 2022 09:11 AM PST

JPA was born as the acronym for Java Persistence API. When Java EE was donated to the Eclipse Foundation under the Jakarta EE project, the name of the API changed to Jakarta Persistence but the term JPA is still in use. JPA solves the object-relational impedance mismatch by allowing you to map Java objects to database tables and is one of the most (if not the most) used persistence frameworks for Java.

JPA is an API specification that someone can implement–JPA providers or implementations. The most popular JPA implementation is Hibernate ORM. You can use Hibernate ORM without JPA or through JPA. One potential advantage of using it with JPA is that you can move between implementations if you want (something I have never seen happening, though). Another advantage is that someone with experience in, say EclipseLink or Apache OpenJPA, then they can use at least part of that experience when moving to Hibernate.

How To Prepare for Programming and Coding Interviews? Topics and Skills

Posted: 29 Jan 2022 08:54 AM PST

There is no doubt cracking the Coding interviews of top tech companies like Google, Microsoft, and Amazon is very hard, but you can still crack it by carefully planning and preparing the essential skills which matter most like Data structures and Algorithms, System Design, Multithreading and Concurrency, SQL and Database design, and of course, problem-solving skills.

Being an author of Java and a programming blog, I often receive queries about how to prepare for coding interviews? How to pass Google or Microsoft Software Developer interviews? Or how can I get a software development job on Amazon or Facebook?

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