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JVM Statistics With jstat
An experimental and unsupported command? That's what tigers like the most! Check out the jstat tool, once also known as jvmstat, and its capabilities.
May 18, 2017
by Dustin Marx
· 82,793 Views · 11 Likes
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Convolutional Neural Networks vs. Cascade Classifiers for Object Detection
Convolutional neural networks largely outperform cascade classifiers. It's ideal to choose CNNs if you have enough time for training and your objects don’t scale much.
May 17, 2017
by Ivan Ozhiganov
· 38,418 Views · 7 Likes
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Easy Excel Report Creation in Java With Apache POI
If you're not working with huge datasets, this source code will get Excel spreadsheets up and running in minutes without the need for CSV.
May 16, 2017
by Radek Hecl
· 49,439 Views · 17 Likes
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Counting Web Sessions With JavaScript
Read on to create your own web sessions counting tool using JavaScript, in order to track the number of visitors to your site.
May 16, 2017
by Swizec Teller
· 10,669 Views · 4 Likes
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Circuit Breaker, Fallback, and Load Balancing With Netflix OSS and Spring Cloud
Look at five scenarios for using Hystrix with other tools from the Netflix OSS stack like Feign and Ribbon and see how performance compares in each situation.
May 16, 2017
by Piotr Mińkowski
· 24,340 Views · 11 Likes
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Mixing Java Functions and Groovy Closures
When mixing Java and Groovy, the time might come when you want to dip into Java's functional features, but while using Groovy's syntax. Enter closures.
May 15, 2017
by Reinout Korbee
· 26,735 Views · 9 Likes
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Java Garbage Collection: Best Practices, Tutorials, and More
Buckle up and hold your nose, it's time to manage memory. Garbage collection is a complicated endeavor, and here's how to get the most out of GC.
May 15, 2017
by Angela Stringfellow
· 68,084 Views · 43 Likes
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Format and Manipulate Numbers With Numeral.js
It's not as easy to manipulate numbers in JavaScript as it is in other languages. Learn how to use Numeral.js, a JavaScript library, to get the job done.
May 13, 2017
by Swathi Prasad
· 15,980 Views · 1 Like
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Lightweight Embedded Java REST Server Without a Framework
Check out this example of a simple lightweight REST server with the appropriate middleware and less custom code than Spring Boot.
May 12, 2017
by Bill O'Neil
· 59,476 Views · 16 Likes
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In-Memory Data Grids With Hazelcast, Hibernate, and Spring Boot
If your priority is the performance of queries on large amounts of data and you have a lot of RAM, an in-memory data grid is the right solution for you!
May 12, 2017
by Piotr Mińkowski
· 17,452 Views · 12 Likes
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Fix the Slow Startup Time of My Java Application Running on macOS Sierra
When I started an app with IntelliJ, it always took more than 60 seconds to start the deployed app. No one bothered to examine why, so I took the 30 minutes to do it.
May 12, 2017
by Jeroen Reijn DZone Core CORE
· 16,622 Views · 6 Likes
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How-To: Convert SOAP APIs to REST APIs
SOAP APIs weren't designed for integration, with developer UX in mind. The new SOAP Builder tool converts your SOAP-based endpoint into a unified REST API.
May 11, 2017
by Ross Garrett
· 55,389 Views · 1 Like
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The Top 20 Companies Enabling Predictive Maintenance
This research report serves as a 'State of Predictive Maintenance,' considering what is and isn't predictive maintenance and how organizations are pursuing the tech.
Updated May 11, 2017
by Zana Diaz
· 17,621 Views
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EC Rejects Jigsaw
In a close and, at times, contentious vote, the JCP Executive Committee has tabled Project Jigsaw for up to 30 days to work out the tough problems it faces.
May 10, 2017
by Mike Gates
· 33,460 Views · 38 Likes
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Direct Logs to Remote System With Log4j
If an application is running on a remote system, you need the logs on your local machine. Learn how to do direct logs to whichever machine you desire.
May 10, 2017
by Merghoob Khan
· 24,502 Views · 8 Likes
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Building Dynamic D3.js Web Apps With Database Data
Learn how to use D3.js to create a web application that's synced with a SQLite database, that dynamically builds bar charts form this data.
Updated May 9, 2017
by Jerod Johnson
· 43,839 Views · 11 Likes
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Java's Observer and Observable Are Deprecated in JDK 9
Around since Java 1.0, the Observable class will be deprecated in Java 9, as is the Observer interface. See how they've been replaced over time.
May 9, 2017
by Dustin Marx
· 29,277 Views · 2 Likes
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Relevant Search Leveraging Knowledge Graphs with Neo4j: Part 2
This article continues an in-depth look at approaching the search feature using knowledge graphs and Neo4j for accurate, relevant results.
May 9, 2017
by Alessandro Negro
· 5,929 Views · 5 Likes
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Concurrency: Java Futures and Kotlin Coroutines
Java as a language makes concurrent code look unpleasant. Maybe Kotlin can help. Yet another, although experimental, step would be to use coroutines instead of Futures.
May 9, 2017
by Nicolas Fränkel
· 16,714 Views · 13 Likes
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Database Connection Pooling in Java With HikariCP
Connection pooling is a great technique for database optimization, and HikariCP is among the best. Let's set up multiple connection pools with different configurations.
May 8, 2017
by Bill O'Neil
· 241,096 Views · 12 Likes
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