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David R. Heffelfinger Profile
David R. Heffelfinger

@ensode

Followers
6K
Following
2K
Media
309
Statuses
7K

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

Fairfax, VA
Joined October 2009
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@ensode
David R. Heffelfinger
1 year
Happy to announce that my latest book, hashtag#JakartaEE Application Development, is part of the Humble Tech Book Bundle: App Development Best Practices. https://t.co/1LiDvfZIDN
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humblebundle.com
Devs, it’s time to skill up! Pay what you want for 20+ books on everything from nitty-gritty computer science to rock-solid career guidance.
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@Payara_Fish
Payara
2 years
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: https://t.co/Kq1YZM8hH5
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@Payara_Fish
Payara
2 years
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: https://t.co/Dus1PJtQrz
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@Sharat_Chander
Sharat Chander @sharatchander.bsky.social
2 years
🚨JavaOne is BACK!🚨 On behalf of the @Java Team at @Oracle, I'm happy to announce the RETURN OF @JavaOne! Learn more ➡️ https://t.co/kdzHB1gRye #Java #OpenJDK #JDK #Java #JavaOne
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@ensode
David R. Heffelfinger
2 years
Looks like @Payara_Fish is holding a hackathon, starting March 11th (today) until March 31st. https://t.co/5JBlYQy5cG
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@ensode
David R. Heffelfinger
2 years
My latest book, @JakartaEE Application Development, has now been published by @PacktPublishing https://t.co/A2K3GxqldJ
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amazon.com
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@ensode
David R. Heffelfinger
2 years
My @JakartaEE book can be preordered on Amazon: https://t.co/Izj0xGbOcY
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amazon.com
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@ensode
David R. Heffelfinger
2 years
What's the accepted acronym for Jakarta Enterprise beans? https://t.co/B7ClUzTelo JEB?, EB?, something else?
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jakarta.ee
Jakarta Enterprise Beans defines an architecture for the development and deployment of component-based business applications.
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@java
Java
2 years
Java 21 is now available! #Java21 #JDK21 #OpenJDK Download Now: https://t.co/KCklfAPOOP Release notes: https://t.co/jNXlB4OIbY API Javadoc: https://t.co/XFJkHTukQi Features: https://t.co/tqz0H6mTXi Inside Java on JDK21: https://t.co/OeV1Jtfago
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@Payara_Fish
Payara
2 years
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! https://t.co/bWzSrLQTo7
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@Java_Champions
Java Champions
2 years
Congratulations to new #Java Champion @jasondlee
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@ensode
David R. Heffelfinger
2 years
Very interesting read
@Doron__B
Doron B.
2 years
https://t.co/EU2H5lM4Ku 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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@Java_Champions
Java Champions
2 years
Congratulations to new #Java Champion @TCoolsIT
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@JakartaEE
Jakarta EE
2 years
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: https://t.co/IX4FL882hM #opensource #JavaEE
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@ensode
David R. Heffelfinger
2 years
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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@ensode
David R. Heffelfinger
2 years
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. https://t.co/2ua8GJedUd
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@ensode
David R. Heffelfinger
2 years
.@netbeans makes it really easy to refactor your code to use @Java 15+ text blocks.
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@ensode
David R. Heffelfinger
2 years
Integrates very nicely with @netbeans
@OmniFishEE
OmniFish EE
2 years
GlassFish 7.0.6 final released! https://t.co/griYydmnI4 6 cool new features, 4 important fixes, 8 component updates, and 10 amazing improvements to the internal code! #JakartaEE10 #GlassFish7 #JakartaEE #GlassFish
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@JakartaEE
Jakarta EE
2 years
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: https://t.co/FFMXqhBWob #opensource #JakartaOne
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@OndroMih
Ondro Mihályi
2 years
GF 7 now supports @MicroProfileIO REST Client, with Config and JWT-Auth supported already. Admin Console is a bit more snappy. A new, Docker-friendly way to start server in foreground. Lot of fixes, improvements, and component upgrades. Enjoy!
@OmniFishEE
OmniFish EE
2 years
GlassFish 7.0.6 final released! https://t.co/griYydmnI4 6 cool new features, 4 important fixes, 8 component updates, and 10 amazing improvements to the internal code! #JakartaEE10 #GlassFish7 #JakartaEE #GlassFish
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