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EXPLAIN FORMAT=JSON: Everything About attached_subqueries, optimized_away_subqueries, and materialized_from_subquery
EXPLAIN FORMAT=JSON provides some great details on subqueries optimization. Read on to learn more.
January 3, 2016
by Peter Zaitsev
· 4,745 Views · 2 Likes
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Dynamic Class Enhancement with CGLib
Popular libraries like Spring use CGLib to dynamically generate classes at runtime. Understanding how it works can help you parse those notorious stack traces when something goes wrong.
January 2, 2016
by Alan Hohn
· 29,663 Views · 9 Likes
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Java Garbage Collection Explained [Comic]
Programmers produce garbage just like threads do.
January 1, 2016
by Daniel Stori DZone Core CORE
· 37,099 Views · 55 Likes
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Learning JavaScript with JS Bin
This article introduces JS Bin, with a focus on JavaScript, in an excerpt from John Larsen's 'Get Programming with JavaScript.'
December 31, 2015
by John Larsen
· 8,959 Views · 5 Likes
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Discovering a Trove of Java Primitives Collection Handling
Learn more about the Trove4j library, which provides high performance collections for Java.
December 31, 2015
by Dustin Marx
· 11,526 Views · 4 Likes
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Parser Generators: ANTLR vs JavaCC
A performance review of two parser generators: Java CC and ANTLR. One of them is a clear winner according to the measurements.
December 29, 2015
by Brett Crawley
· 45,464 Views · 8 Likes
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Mocking RabbitMQ for Java Integration Tests
How to use an embedded Java version of Apache Qpid to mock a RabbitMQ Broker inside integration tests.
December 29, 2015
by Andre Buzzo
· 66,529 Views · 12 Likes
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JBoss EAP 7 and NoSQL Using Java EE and Docker
Developers can write applications to Couchbase using many different languages and multiple SDKs. This post explains how to deploy and access a NoSQL database from JBoss EAP 7.
December 28, 2015
by Arun Gupta
· 10,715 Views · 5 Likes
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XML Signatures and References
Last week I showed a peculiar XML Signature that validates even though the containing document was changed. The reason is that the signature lacks References. Read on to learn more.
December 27, 2015
by Anders Abel
· 7,411 Views · 3 Likes
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Java Dynamic Proxies
A lot of modern Java frameworks use dynamically generated code. This article is designed to demystify a little of what is happening behind the scenes.
December 26, 2015
by Alan Hohn
· 25,010 Views · 19 Likes
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JavaEE Contexts and Dependency Injection (CDI) First Steps
How to use Java EE and CDI to execute dependency injections.
December 21, 2015
by Hany Ahmed
· 22,208 Views · 9 Likes
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Filling Sparse Data With the Previous Non-Empty Value in SQL
Want to learn how to fill sparse data sets with the "previous non-empty value"? Take a look at these two lean, SQL-based solutions.
December 21, 2015
by Lukas Eder
· 12,715 Views · 3 Likes
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Long and Double Values Are Not Atomic in Java
In Java 64-bit, long and double values were treated as two 32-bit values. That means, a 64-bit write operation is basically performed as two separate 32-bit operations.
December 18, 2015
by A N M Bazlur Rahman DZone Core CORE
· 64,339 Views · 18 Likes
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Immutable Objects in Java
An overview plus some practical tips on immutable objects in Java.
December 18, 2015
by Davide Lorenzo Marino
· 70,197 Views · 18 Likes
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Custom JSON Deserialization With Jackson
Need to whip up a custom JSON deserializer with Jackson? Here's an awesome tutorial, with what to ignore, and how to create the deserializer.
December 17, 2015
by A N M Bazlur Rahman DZone Core CORE
· 252,261 Views · 8 Likes
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Loading External HTML Into Reveal.js Presentations
I recently created External, which is just the loader from Markdown, stripped of all its post processing. Check it out.
December 17, 2015
by Cal Evans
· 7,006 Views · 2 Likes
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WordPress Announces Migration to Node.js
This just in, Wordpress is moving to Node.js. Check out what Node.js is, and why you'd want to move from PHP to Node.js.
December 16, 2015
by Omed Habib
· 15,170 Views · 9 Likes
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Spring Boot Memory Performance
Curious to see Spring boot memory performance? Here's a look at Vanilla Spring boot, JVM tools, and more.
December 16, 2015
by Dave Syer
· 73,286 Views · 11 Likes
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Transporting Tablespace from MySQL 5.6 to MySQL 5.7
Recently, I was working on a MySQL support ticket where a customer was facing an issue while transporting tablespace from MySQL 5.6 to MySQL 5.7 and came across something interesting...
December 15, 2015
by Peter Zaitsev
· 6,052 Views · 3 Likes
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10 Steps to Secure Software
In this day and age, you need secure software. This article from DZone's 2015 Guide to Application Security shows you the 10 steps you need to know to achieve secure software.
December 14, 2015
by Jim Bird
· 42,441 Views · 22 Likes
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