Mastodawn

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Johannes Bechberger 3d ago

Might be a good talk title...

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Johannes Bechberger 3d ago

Well, I'm on a crusade to create Java libraries (femtojson, femtocli, ...) and now the next logical step... Stay tuned.

Johannes Bechberger 3d ago

Blog post preview (to pressure myself into writing it): "Honey, I shrank the JARs" on how to shrink Java JARs by 15 to 25% with a custom class loader

Johannes Bechberger 3d ago

Apparently, GitHub CI actions can run back in time:

Johannes Bechberger 4d ago

RE: https://chaos.social/@pluto/116274707341326926

Bindzwirn is a really interesting project using eBPF

Johannes Bechberger Mar 17

Java 26 is here, but it's boring. Nothing really exciting. But that's a good thing, as the boring stability is what made Java successful:
https://mostlynerdless.de/blog/2026/03/17/java-26-is-boring-and-thats-a-good-thing/

Java 26 is boring, and that's a good thing - Mostly nerdless

Java 26 is here, but it's boring. Nothing really exciting. But that's a good thing, as the boring stability is what made Java successful.

Mostly nerdless

Johannes Bechberger Mar 16

TIL: Removing the errorprone annotations package can reduce the JAR size by over 10MB (don't ask me why this package pulls in the google commons packages):

<dependency>
<groupId>com.google.errorprone</groupId>
<artifactId>error_prone_annotation</artifactId>
<version>2.40.0</version>
<scope>compile</scope>
</dependency>

Johannes Bechberger Mar 13

Dear Mastodon wisdom: I'm looking for an easy-to-host calendar application that supports CalDav / syncing to mobile devices. I'm just overwhelmed by the available choices. #diday

Johannes Bechberger Mar 10

Parsing JSON is not hard; we can easily build a parser that directly follows a (transformed) JSON grammar, creating femtojson in the process: https://mostlynerdless.de/blog/2026/03/10/writing-a-tiny-json-parser/

Writing a tiny JSON Parser - Mostly nerdless

Parsing JSON is not hard, we can easily build a parser that directly follows a (transformed) JSON grammar, creating femtojson in the process.

Mostly nerdless

Johannes Bechberger Feb 24

Java Heap Dumps might contain sensitive information; with hprof-redact, you can easily remove it. Learn more in this blog post: https://mostlynerdless.de/blog/2026/02/24/redacting-data-from-heap-dumps-via-hprof-redact/

Redacting Data from Heap Dumps via hprof-redact - Mostly nerdless

Java Heap Dumps might contain sensitive information, with hprof-redact you can easily remove it. Learn more in this blog post.

Mostly nerdless