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Managing High Availability in PostgreSQL: Part 1 — PostgreSQL Automatic Failover

Managing high availability in your PostgreSQL hosting is very important to ensuring your clusters maintain exceptional uptime and strong operational performance.

Updated January 2, 2019

by Kristi Anderson

· 30,053 Views · 7 Likes

Compact Number Formatting Comes to JDK 12

The upcoming JDK 12 will see support for Compact Number Formatting.

January 2, 2019

by Dustin Marx

· 13,067 Views · 5 Likes

Distributed Java Collections in Redis With Redisson

In this article, we go over an interesting open source database project and how it takes advantage of core principles of the Java language,.

January 2, 2019

by Nikita Koksharov

· 20,355 Views · 4 Likes

Primitives vs Objects in Java

Are there truly any non-null issues when using primitives instead of Objects?

January 2, 2019

by John Vester

CORE

· 147,681 Views · 12 Likes

Spring MVC JSP Form Tags Example

In this quick article, we will discuss all Spring MVC JSP form tags with code examples.

January 1, 2019

by Ramesh Fadatare

· 63,699 Views · 6 Likes

Redis-Based Distributed Java Semaphores With Redisson

We take a look under the hood of this interesting open source database and see how ti uses Java methods to make distributed semaphores possible.

January 1, 2019

by Nikita Koksharov

· 13,120 Views · 5 Likes

Transformer Design Pattern in Java

Learn more about this special design pattern than can fluently transform into any type of object.

January 1, 2019

by Tomasz Linkowski

· 55,953 Views · 54 Likes

SQLite vs. MySQL vs. PostgreSQL: A Comparison of Relational Databases

Explore a comparison between three relational databases: SQLite, MySQL, and PostgreSQL.

December 27, 2018

by Asaf Yigal

· 28,381 Views · 20 Likes

How to Use the Risk Assessment Matrix in Project Management

Before you can solve, you have to see, and a risk matrix can help with just that.

December 25, 2018

by Fred Wilson

· 27,839 Views · 9 Likes

PL/SQL 101: Defining and Managing Transactions

Transactions are the cornerstone of any ACID-compliant database.

December 21, 2018

by Steven Feuerstein

· 20,592 Views · 3 Likes

Exception Handling in Java Streams

When you want to use a method that throws a checkedException, you have to do something extra if you want to call it in a lambda.

December 21, 2018

by Brian Vermeer

· 306,672 Views · 118 Likes

Microservices Architecture on the Modern Stack of Java Technologies

In this post, we take a look at microservices architectures based on technologies relevant to the Java world. Read on to get started!

Updated December 20, 2018

by Roman Kudryashov

CORE

· 65,123 Views · 42 Likes

How to Remove Key Value Pairs or Entries from HashMap [Snippet]

Let's take a look at how to remove entries from a map in Java, complete with examples.

Updated December 20, 2018

by Ramesh Fadatare

· 82,466 Views · 5 Likes

How the SQLite Database Works

Let's discuss some architectural details of database implementation by using an early version of SQLite.

Updated December 19, 2018

by Dhanushka Madushan

CORE

· 30,501 Views · 13 Likes

Java: Aggregate Data Off-Heap

Explore how to create off-heap aggregations with a minimum of garbage collect impact and maximum memory utilization.

December 19, 2018

by Per-Åke Minborg

· 13,654 Views · 7 Likes

Higher-Order Functions in Scala

Let's take a look at how to use higher-order functions in Scala.

Updated December 19, 2018

by Jyoti Sachdeva

· 49,543 Views · 7 Likes

Creating Spring Boot Application for WebLogic and Tomcat

We look at some of the most popular frameworks for spinning up applications and servers. Read on to get started!

December 19, 2018

by Anish Panthi

· 60,771 Views · 3 Likes

Java Eclipse Code Refactoring Shortcuts and Tips

Time to get more productive when writing Java code using Eclipse!

December 18, 2018

by Ramesh Fadatare

· 49,129 Views · 23 Likes

Mixins Via Kotlin Delegation

Mixins can be handy in creating more readable, maintainable code.

December 18, 2018

by Steve Gertiser

· 32,780 Views · 7 Likes

Key Differences Between Apache Ignite, Hazelcast, Cassandra, and Tarantool

The main difference of Apache Ignite from the others is the number of functionalities and simplicity of use.

December 18, 2018

by Shamim Bhuiyan

· 22,522 Views · 8 Likes

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