Java
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Transformer Pattern
The Transformer pattern is a design pattern for Java (and potentially other OO languages with use-site variance only and invariant parameter types)…
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Sparklens: a tool for Spark applications optimization
Sparklens is a profiling tool for Spark with a built-in Spark Scheduler simulator: it makes easier to understand the scalability…
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SPIFFE in a Nutshell
I have been studying SPIFEE(Secure Production Identity Framework For Everyone)[1] for sometime and here I am drafting the flow as…
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Custom Compact Number Patterns with JDK 12 Compact Number Formatting
The post “Compact Number Formatting Comes to JDK 12” has been the subject of discussion on a java subreddit thread.…
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JDK 13: What AggressiveOpts?
The Java VM flag -XX:+AggressiveOpts was deprecated in JDK 11 [see JDK-8199777 and JDK-8199778] “because its behavior is ill-defined.” The…
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Conversational UI with Oracle Digital Assistant and Fn Project. Part II
In my previous post I implemented a conversational UI for FlexDeploy with Oracle Digital Assistant. Today I am going to…
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Spring Data Redis: High-Availability with Sentinel
1. Overview For high-availability with Redis, we can use Spring Data Redis’ support for Redis Sentinel. With Sentinel, we can…
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Spring Custom Serializers with @JsonIdentityInfo
Intro Serialization/Deserialization from/to JSON in Spring is widely used in modern Spring-based applications. It is based on Jackson. Jackson can…
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Tutorial: Create and Verify JWTs in Java
“I love writing authentication and authorization code.” ~ No Java Developer Ever. Tired of building the same login screens over…
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