java-weekly-239
Java Weekly, Issue 239
Here we go…
1. Spring and Java
===== >> Refining functional Spring [blog.frankel.ch]
A quick write-up touching on a few nuances of writing handlers and routes in this exciting new functional approach to Spring Boot.
https://blog.takipi.com/improve-your-application-performance-with-garbage-collection-optimization/[blog.takipi.com]
A solid primer on how garbage collection works in the JVM and a few tricks you can use to improve your application’s performance. Good stuff.
>> How to query parent rows when all children must match the filtering criteria with SQL and Hibernate [vladmihalcea.com]
A nice tutorial that gradually builds an optimal solution to this problem, first in a native SQL query, and then in a JPQL criteria-based query. Very cool.
>> Only modified files in Jenkins [blog.code-cop.org]
And, an interesting approach that uses a Groovy script to identify all files that have been changed since the last green build.
Also worth reading:
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===== >>Integrating The AWS Parameter Store With Spring Cloud [blog.trifork.com]
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===== >> Optional.isEmpty() Available in JDK 11 EA Builds [marxsoftware.blogspot.com]
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===== >> Leveraging Lambda Expressions for Lazy Evaluation [4comprehension.com]
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===== >> Groovy Improvements in IntelliJ IDEA 2018.2 [blog.jetbrains.com]
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===== >> Hibernate Tips: How to use @ElementCollection entries in a query [thoughts-on-java.org]
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===== >> Knative: Powerful Building Blocks For a Portable Function Platform [content.pivotal.io]
Webinars and presentations:
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===== >> Effective Java, Third Edition – Keepin’ it Effective [infoq.com]
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===== >> Java 11 – Keeping the Java Release Train on the Right Track [infoq.com]
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===== >> Sample Lesson: Introduction to TestContainers [petrikainulainen.net]
Time to upgrade:
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===== >> Spring Cloud Data Flow 1.6 RC1 released [spring.io]
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===== >> Spring REST Docs 2.0.2.RELEASE [spring.io] and >> Spring REST Docs 1.2.5.RELEASE [spring.io]
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===== >> Hibernate Validator 6.0.11.Final released [in.relation.to]
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===== >> Dependency Management Plugin 1.0.6.RELEASE [spring.io]
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===== >> Gatling JDBC Release 1.0.0 [blog.codecentric.de]
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===== >> Third maintenance release for Hibernate Search 5.10 [in.relation.to]
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===== >> Hibernate ORM 5.3.3.Final released [in.relation.to]
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===== >> Reactor Kafka 1.0.1.Release [github.com]
2. Technical and Musings
===== >> Update your Database Schema Without Downtime [thoughts-on-java.org]
If you absolutely can’t afford downtime, here are some great strategies to use when rolling out non-backward-compatible schema updates in conjunction with an application update.
>> The future of WebAssembly – A look at upcoming features and proposals [blog.scottlogic.com]
Looks like some essential enhancements are coming soon to this browser-based VM, including reference types, exception handling, and garbage collection.
Also worth reading:
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===== >> Three Rules of Coaching Engagement [blog.code-cop.org]
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===== >> Hack the Box Writeup – Aragog [codemonkeyism.co.uk]
3. Comics
>> How to Become an Engineer [dilbert.com]
>> Dilbert Joins MENSA [dilbert.com]
>> Upgrades Can Be Risky [dilbert.com]
4. Pick of the Week
===== >> Why Json Isn’t A Good Configuration Language [lucidchart.com]
