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Java Immutable Explained. Immutable Objects With Examples.

In this article, find answers about immutability and its best practices. Practical examples demonstrate the advantages of immutability and related tricks.

Updated November 15, 2021

by Dmitry Egorov

CORE

· 42,852 Views · 31 Likes

Why Is Char Array Preferred Over Strings To Store Passwords in Java?

Many people prefer a Character array over a string, but they do not know the reason behind it. Read why people are more inclined to use an array than a string.

Updated November 15, 2021

by Amit Gupta

· 14,216 Views · 7 Likes

Part 2 - How to Hive on GCP using Google DataProc and Cloud Storage

In this part, we'll cover the remaining steps of creating main tables with valid records for detailed deep drive analysis using Google DataProc and Apache Hive.

November 14, 2021

by Phani Krishna Kollapur Gandla

· 4,663 Views · 2 Likes

Predicate Composition in Scala

In this post, we present an encoding pattern for predicate composition as compensation to the language design. Our composition is Boolean algebra complete.

November 14, 2021

by Michael Wang

· 5,618 Views · 2 Likes

Connecting Red Hat Single Sign-on on Openshift to an External Database

In this post, I demonstrate how I've implemented an instance of Red Hat Single Sign-on (RHSSO) with an external MySQL database on Openshift version 4.8.

November 14, 2021

by Rogerio Santos

· 5,715 Views · 2 Likes

Git Bash (Or Git in Bash)?

Do you know when you install Git Bash on Windows what exactly you are installing? Git or Bash? In this article, learn what you need to know about Git Bash.

November 12, 2021

by Rajeev Bera

CORE

· 9,635 Views · 3 Likes

How to Hive on GCP Using Google DataProc and Cloud Storage: Part 1

This tutorial shows how to perform an exploratory data analysis using Google DataProc (big data on cloud) & Apache Hive.

November 12, 2021

by Phani Krishna Kollapur Gandla

· 9,572 Views · 3 Likes

iOS Crystalline Blurred Backgrounds with CSS Backdrop Filters

In this tutorial, let's look at how to make a blurred crystalline effect with one of CSS's newest properties.

November 10, 2021

by Johnny Simpson

CORE

· 6,792 Views · 2 Likes

Tutorial: How to Define SQL Functions With Presto Across All Connectors

Learn how to implement your own SQL function with Presto, the open-source SQL query engine.

Updated November 9, 2021

by Rohan Pednekar

· 4,660 Views · 4 Likes

Test-Driven Development With Quarkus

Learn how Quarkus enables test-driven development (TDD) with built-in continuous testing, where tests run immediately after code changes are saved.

November 9, 2021

by Eric Deandrea

· 4,894 Views · 1 Like

Step-By-Step Guide To Enable JSON Logging on OpenShift

JSON log parsing is important for the application to create a custom index in Elasticsearch. Learn here how to enable JSON logging on Red Hat OpenShift 4.

November 9, 2021

by shailendra singh

· 4,727 Views · 6 Likes

Smart Dependency Injection With Spring: Assignability (Part 2 of 3)

In part two of this three-part series, learn about using inheritance to simplify injecting beans with Spring Framework.

Updated November 9, 2021

by Arnošt Havelka

CORE

· 13,891 Views · 8 Likes

Advice to My Younger Self as a Software Engineer

Advice to my younger self — “Set all kinds of goals for what you want to achieve in life. No goal is too big with the right plan and vision.” More advice below!

November 9, 2021

by Gaurav Agarwaal

· 9,587 Views · 8 Likes

Creating Mappers Without Creating Underlying Objects in Java

In this short tutorial, we will devise a way of making an object-creation-free, lightweight mapper with rudimentary lookup capability that is suitable for a limited number of associations.

Updated November 8, 2021

by Per-Åke Minborg

· 7,275 Views · 5 Likes

How to Render Jenkins Build Parameters Dynamically

Follow these step-by-step instructions to use the Jenkins Active Choices plugin to render build parameters dynamically.

November 7, 2021

by Nirav Katarmal

· 7,686 Views · 1 Like

Separation of Reactive and Non-Reactive Code

Avoid unexpected behavior caused by mixing reactive and non-reactive logic when using Project Reactor.

November 7, 2021

by Flaviu Muresan

· 6,894 Views · 6 Likes

Concurrency-Safe Execution Using Ballerina Isolation

The concept of isolation in Ballerina simplifies development by ensuring the safety of shared resources during concurrent execution.

November 7, 2021

by Hinduja Balasubramaniyam

· 5,871 Views · 3 Likes

Auto_Explain: How to Log Slow Postgres Query Plans Automatically

Automatically log slow query plans with auto_explain and learn how to fix the problematic PostgreSQL queries that are slowing you down.

November 7, 2021

by Anton Bjorkman

· 3,164 Views · 3 Likes

Spring Boot Pet Clinic App: A Performance Study

This article sets out to conduct a performance test on the Spring Boot Pet Clinic application to see whether any performance bottlenecks can be identified.

November 5, 2021

by Ram Lakshmanan

CORE

· 9,775 Views · 8 Likes

Add gRPC to Your Java Application

Learn how to autogenerate gRPC code, back a gRPC service with implementation, and spin up a server to send a response to a client.

November 5, 2021

by Emmanouil Gkatziouras

CORE

· 7,737 Views · 11 Likes

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