How-Tos

How to create AI agents with Neo4j Aura Agent

Neo4j Aura Agent is an end-to-end platform for creating agents, connecting them to knowledge graphs, and deploying to production using low-code and autogeneration tools. Let’s dive in.

By Zach Blumenfeld

Mar 19, 202610 mins

DatabasesDevelopment ToolsGenerative AI

Method overloading in the JVM

Learn how and why Java developers use method overloading, then test your learning against the Java virtual machine itself.

By Rafael del Nero

Aug 23, 2024 11 mins

Java Programming Languages Software Development

How to avoid exceptions in C#

Take advantage of the Result pattern, the Try-Parse pattern, and other techniques to make error handling more explicit and to avoid writing exception handling code in your .NET applications.

By Joydip Kanjilal

Aug 22, 2024 7 mins

C# Libraries and Frameworks Microsoft .NET

Java polymorphism and its types

Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

By Jeff Friesen

Aug 20, 2024 15 mins

Java Programming Languages Software Development

Download the high-performance AI enterprise buyer’s guide

High-performance computing (HPC) is well suited for artificial intelligence (AI) processing. HPC requires powerful servers running the fastest processors (typically GPUs), but HPC for AI also calls for a full stack of complementary technologies. This

By Neal Weinberg

Aug 20, 2024 1 min

Artificial Intelligence Cloud Computing Enterprise Buyer’s Guides

String comparisons in Java

Have you ever wondered how Java's String methods, keywords, and operators process comparisons in a String pool? Here's your chance to find out!

By Rafael del Nero

Aug 16, 2024 10 mins

Java Programming Languages Software Development

Functional programming with Java collections

Streams and lambdas give you powerful and elegant ways to work with Java collections. Here’s how to take advantage of them.

By Matthew Tyson

Aug 14, 2024 9 mins

Java Programming Languages Software Development

How to use FluentValidation in ASP.NET Core

Take advantage of the FluentValidation open-source library to validate data in your ASP.NET Core application and keep your code clean, organized, and maintainable.

By Joydip Kanjilal

Aug 8, 2024 7 mins

C# Libraries and Frameworks Microsoft .NET

Deploying a Java, React, and Spring Boot application

Get ready to deploy the Spring Java and React application to production, using MongoDB Atlas, Vercel for the React front end, and a Spring VM to host the back end.

By Matthew Tyson

Aug 7, 2024 11 mins

Devops Java Libraries and Frameworks

The best new features in C# 13

C# 13 introduces several new features that make it easier to build modern applications including enhanced params collections and a new Lock API that improves thread synchronization.

By Joydip Kanjilal

Aug 1, 2024 10 mins

C# Libraries and Frameworks Microsoft .NET

How to get started with MySQL

A quick, step-by-step guide to setting up, configuring, and managing a MySQL database server on Windows, Linux, and macOS.

By Serdar Yegulalp

Jul 31, 2024 9 mins

Databases

Data persistence with Java, React, and Spring Boot

Explore the popular and powerful React + Java + Spring stack by incorporating a service layer and a MongoDB instance for data persistence.

By Matthew Tyson

Jul 31, 2024 8 mins

Databases Java Web Development

Full-stack development with Java, React, and Spring Boot

React and Java come together seamlessly in this three-part introduction to full-stack development with React and Spring Boot. Get started with a basic application framework that you can customize as needed.

By Matthew Tyson

Jul 24, 2024 9 mins

Java Libraries and Frameworks Software Development

Deciding and iterating with Java statements

Learn how to use statements like if, if-else, switch, for, and while to declare variables and specify expressions, make decisions, iterate over statements, and more.

By Jeff Friesen

Jul 23, 2024 27 mins

Java Programming Languages Software Development

How to use HybridCache in ASP.NET Core

HybridCache is a new API in .NET 9 that brings additional features, benefits, and ease to caching in ASP.NET Core. Here’s how to take advantage of it.

By Joydip Kanjilal

Jul 18, 2024 7 mins

C# Devops Microsoft .NET

Frequently sought solutions for JavaScript

You have questions, and we have answers. Here are 10 things newer developers often don’t know how to do with JavaScript, with tips and code to help you figure it out.

By Matthew Tyson

Jul 17, 2024 13 mins

JavaScript Programming Languages Software Development

Safety off: Programming in Rust with `unsafe`

What does it mean to write unsafe code in Rust, and what can you do (and not do) with the 'unsafe' keyword? The facts may surprise you.

By Serdar Yegulalp

Jul 11, 2024 8 mins

Programming Languages Rust Software Development

How to use FastEndpoints in ASP.NET Core

Take advantage of the free open-source FastEndpoints library to build fast and lean APIs in your ASP.NET Core applications.

By Joydip Kanjilal

Jul 11, 2024 7 mins

C# Libraries and Frameworks Microsoft .NET

Progressive web app essentials: Service worker background sync

A code-first introduction to background syncing with service workers, the Sync API, and IndexedDB.

By Matthew Tyson

Jul 10, 2024 14 mins

JavaScript Software Development Web Development

How to use Refit to consume APIs in ASP.NET Core

Take advantage of Refit REST library to simplify API consumption and make your code cleaner, more efficient, and easier to maintain.

By Joydip Kanjilal

Jul 4, 2024 10 mins

C# Devops Microsoft .NET

How to get started with GraphQL

GraphQL is a developer's tool of choice for developing efficient and evolvable APIs. Here's a first look at the tools and concepts that will help you get started.

By Serdar Yegulalp

Jul 3, 2024 8 mins

APIs Open Source Web Development

Intro to multithreaded JavaScript

Escape the single-threaded event loop in browsers and on the server. Here's how to use worker threads and web workers for modern multithreading in JavaScript.

By Matthew Tyson

Jul 3, 2024 7 mins

JavaScript Programming Languages Software Development

Download our NoSQL database enterprise buyer’s guide

NoSQL databases store and manage data in ways that enable high operational speed and a level of flexibility not found in traditional relational databases. There are more than two dozen open-source and commercial NoSQL databases available. Learn how t

By Bob Violino and Martin Heller

Jul 2, 2024 1 min

Databases Enterprise Buyer’s Guides

How to describe Java code with annotations

Learn how to use Java annotations to associate metadata with classes, methods, and other application elements in your Java programs.

By Jeff Friesen

Jul 2, 2024 11 mins

Java Programming Languages

Thread behavior in the JVM

The JVM does what it wants to do, so how can you predict the order of thread execution?

By Rafael del Nero

Jun 27, 2024 11 mins

Concurrency Java Software Development

Stream gatherers: A new way to manipulate Java streams

A code-first tour of the new customizable stream operators in Java 22’s java.util.stream.Gatherers interface.

By Matthew Tyson

Jun 26, 2024 8 mins

APIs Java Programming Languages

Download our machine learning platform enterprise buyer’s guide

To create effective machine learning and deep learning models, you need copious amounts of data, a way to clean the data, and a way to train them, deploy them, and keep them updated. The cloud is usually the best platform for this, but not always.

By Martin Heller

Jun 25, 2024 1 min

Development Tools Enterprise Buyer’s Guides Machine Learning

How to use assertions in Java

Use Java assertions to test your assumptions about program correctness and check them in your code.

By Jeff Friesen

Jun 25, 2024 11 mins

Java Programming Languages Software Development

When to use an abstract class vs. interface in C#

Understanding the differences between an abstract class and interface is key to designing loosely coupled and extensible applications.

By Joydip Kanjilal

Jun 20, 2024 10 mins

C# Microsoft .NET Small and Medium Business

4 keys to writing modern Python

If you want to write Python code that takes advantage of the language's newest and most powerful features, here are four areas to explore.

By Serdar Yegulalp

Jun 19, 2024 6 mins

Programming Languages Python Software Development

HTMX for Java with Spring Boot and Thymeleaf

Could HTMX be the glue that finally delivers on the promise of Java-centric Ajax? Let's find out with this example app based on HTMX, Spring Boot, and Thymeleaf.

By Matthew Tyson

Jun 19, 2024 11 mins

Java Software Development Web Development

Download our cloud CI/CD enterprise buyer’s guide

If your goals are high-velocity software development and frequent delivery of working builds to production, you need continuous integration/continuous delivery (CI/CD). The cloud is the best place for CI/CD. This guide explains the tools.

By Martin Heller

Jun 18, 2024 1 min

Build Automation Cloud Computing Enterprise Buyer’s Guides

How to use typesafe enums in Java

Typesafe enums offer a better alternative to Java's traditional enumerated types. Here's how to use typesafe enums correctly in your Java code.

By Jeff Friesen

Jun 18, 2024 11 mins

Java Programming Languages Software Development

Download the AI as a service (AIaaS) enterprise buyer’s guide

AI as a service (AIaaS) provides customers with cloud-based access for integrating and using AI capabilities in their projects or applications without needing to build and maintain their own AI infrastructure. Here are your options.

By Andy Patrizio

Jun 14, 2024 1 min

Artificial Intelligence Cloud Computing Enterprise Buyer’s Guides

Polymorphism and inheritance in Java

Get started with polymorphism in Java and how to do method invocation in polymorphic method calls.

By Rafael del Nero

Jun 13, 2024 10 mins

Java Programming Languages Software Development

What’s wrong with Java’s sun.misc.Unsafe?

Many parts of Java's Unsafe class are being deprecated and replaced with newer features that provide similar functionality. Here's what you need to know.

By Matthew Tyson

Jun 12, 2024 7 mins

Java Programming Languages Software Development

Evaluate Java expressions with operators

Here's everything you need to know about Java operators and operator types, and how to use them to write expressions for your Java programs.

By Jeff Friesen

Jun 11, 2024 36 mins

Java Programming Languages Software Development

Download our cloud data warehouse enterprise buyer’s guide

These days, organizations implementing data warehouses often consider creating the data warehouse in the cloud rather than on premises. This guide explores the options, including data lakes, that IT can consider in its service choices.

By Martin Heller

Jun 11, 2024 1 min

Cloud Storage Data Warehousing Enterprise Buyer’s Guides

6 security best practices for ASP.NET Core

Learn the best practices and built-in safeguards for preventing attacks and protecting sensitive data in your ASP.NET Core web applications.

By Joydip Kanjilal

Jun 7, 2024 6 mins

C# Microsoft .NET Web Development

9 command-line jewels for your developer toolkit

For developers who love the CLI and those who don't, here are nine command-line tools that'll make your workdays easier and might even spark joy.

By Matthew Tyson

Jun 5, 2024 8 mins

Software Development

Inheritance in Java, Part 1: The extends keyword

Use Java's extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, override methods, and more.

By Jeff Friesen

Jun 4, 2024 11 mins

Java Programming Languages Software Development

Inheritance in Java, Part 2: Object and its methods

The more familiar you are with Object and its methods, the more you can do with your Java programs.

By Jeff Friesen

Jun 4, 2024 23 mins

Java Programming Languages Software Development

Java inheritance vs. composition: How to choose

Compare inheritance and composition, the two fundamental ways to relate Java classes, then practice debugging ClassCastExceptions in Java inheritance.

By Rafael del Nero

May 30, 2024 13 mins

Java Programming Languages Software Development

5 easy ways to run an LLM locally

Deploying a large language model on your own system can be surprisingly simple—if you have the right tools. Here’s how to use LLMs like Meta’s new Llama 3 on your desktop.

By Sharon Machlis

May 30, 2024 26 mins

Artificial Intelligence Generative AI Software Development

Data storage for front-end JavaScript

Survey your options for in-browser data storage with JavaScript, including built-in variables, localStorage, IndexedDB, and the service worker cache API.

By Matthew Tyson

May 29, 2024 8 mins

Databases JavaScript Web Development

Classes and objects in Java

Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

By Jeff Friesen

May 24, 2024 27 mins

Java Programming Languages Software Development

Class and object initialization in Java

Here's everything you need to know about initializing Java classes and objects before executing them in the JVM.

By Jeff Friesen

May 24, 2024 15 mins

Java Programming Languages Software Development

Sorting Java objects with Comparable and Comparator

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions.

By Rafael del Nero

May 23, 2024 11 mins

Java Programming Languages Software Development

How to implement identity authentication in minimal APIs in ASP.NET Core

Take advantage of improved identity management in ASP.NET Core to implement identity-based authentication for minimal APIs quickly, easily, and with less code.

By Joydip Kanjilal

May 23, 2024 6 mins

C# Libraries and Frameworks Microsoft .NET

Download the enterprise architecture (EA) tools buyer’s guide

From the editors of our sister publication CIO.com, this enterprise buyer’s guide helps IT leaders understand what enterprise architecture (EA) can do for them and the kinds of tools available to do EA well.

By Sarah White and Peter Wayner

May 22, 2024 1 min

Careers Development Tools Enterprise Buyer’s Guides