David R. Heffelfinger (@ensode) header
David R. Heffelfinger (@ensode) profile picture

Java Champion, Apache NetBeans PMC Member, Technical Author, Jakarta EE Consultant and Instructor.

Fairfax, VA
Joined October 2009
Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)Photo by David R. Heffelfinger (@ensode)
David R. Heffelfinger retweeted
Open source risk rarely shows up at install time. It shows up later—when versions age, patches lag, and security vulnerabilities surface. Lifecycle planning matters. bit.ly/49VyZbi #OpenSource #OSSSecurity #SoftwareLifecycle
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David R. Heffelfinger retweeted
Read what you can find in our latest podcast episode featuring David Heffelfinger @ensode. Learn about his new book, 'Jakarta EE Application Development' and gain valuable insights into the world of #Java and #JakartaEE app development: tinyurl.com/mpdr4s34
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David R. Heffelfinger retweeted
A new #PayaraPodcast episode is out! Catch up on our conversation with @ensode as he discusses his latest book, 'Jakarta EE Application Development'. Gain insights into Java development and discover the inspiration behind David's new publication: hubs.ly/Q02r19TW0
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🚨JavaOne is BACK!🚨 On behalf of the @Java Team at @Oracle, I'm happy to announce the RETURN OF @JavaOne! Learn more ➡️ inside.java/2024/03/19/annou… #Java #OpenJDK #JDK #Java #JavaOne
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Looks like @Payara_Fish is holding a hackathon, starting March 11th (today) until March 31st. payara.fish/page/payara-hack…
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David R. Heffelfinger retweeted
Java 21 is now available! #Java21 #JDK21 #OpenJDK Download Now: social.ora.cl/6018P4fbj Release notes: social.ora.cl/6019P4fbd API Javadoc: social.ora.cl/6011P4fb5 Features: social.ora.cl/6013P4fb9 Inside Java on JDK21: social.ora.cl/6016P4fbY
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David R. Heffelfinger retweeted
How to Use the Payara @netbeans Plugin Apache NetBeans is a popular IDE for Java development, offering a wide range of features for streamlining the development process. Find out how to use it with Payara 6! hubs.ly/Q01YDJZx0
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David R. Heffelfinger retweeted
Congratulations to new #Java Champion @jasondlee
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Very interesting read
doron.hashnode.dev/how-human… My first ever article! Because everyone should write extensively somewhere, even if it's globally embarrassing. It's very long, but give it a chance, as you might learn something... or fall asleep. #Programming #History #Math
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David R. Heffelfinger retweeted
Congratulations to new #Java Champion @TCoolsIT
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David R. Heffelfinger retweeted
Now featuring multiple profiles geared towards producing microservices or full stack applications, the #JakartaEE Platform provides flexibility for developing applications of all sizes. Learn more in our new video: hubs.la/Q01WF2FQ0 #opensource #JavaEE
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When migrating to @JakartaEE , don't forget to update your JPA propertis in persistence.xml <properties> <property name="𝗷𝗮𝗸𝗮𝗿𝘁𝗮.persistence.schema-generation.database.action" value="create"/> </properties>
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While I wasn't looking, @h2database got support for in-memory databases. This will come in handy when delivering training or coming up with examples for my books. h2database.com/html/features…
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.@netbeans makes it really easy to refactor your code to use @Java 15+ text blocks.
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David R. Heffelfinger retweeted
The Call for papers is now OPEN for the 2023 JakartaOne Livestream! Submit your proposal today to be a speaker at the largest #JakartaEE event of the year: hubs.la/Q01W03Rh0 #opensource #JakartaOne
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