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Table of Contents What is Firmata?Why create a Quarkus extension?Java 25 and QuarkusBuilding the extensionConfiguring the serial connectionControlling the Raspberry Pi PicoAccessing firmata4j directlyA note about serial communication on Java 25Preparing the Pico firmwareWhat comes next? Java applications are usually …

Table of Contents The endpoints are not where the annotations areSpring runs code nothing callsThe names lie in specific, learnable waysMessaging boundaries are where the joins are wrongThe rule I ended up withWhat this has to do with reading a …

Table of Contents Why This Matters for the EnterpriseThe word() BIF: One Entry PointYour First Document in Three LinesThe Building BlocksHeadings and Formatted ParagraphsTables from Arrays, Queries, or StructsNested ListsImages from AnywherePage Setup, Headers, Footers, HyperlinksTemplate Population at ScaleMulti-Format BridgeEnterprise-Grade …

Table of Contents A Fully Stateless Jakarta Faces Marketplace with Server-Side Rendering — No HttpSession, No Saved ViewState, No Sticky SessionsStateless Faces: an old idea, revisitedA marketplace, not a Hello WorldState lives in the domain, not in the sessionServer-Side Rendering …

Table of Contents Downloads & Release NotesThe Spotlight: A First Preview of Jakarta Agentic AI Azul Payara Community 7.2026.8 – MicroProfile 7.1 A Security Advisory Patched Across the 6, 5 & 4 Lines gRPC Support Arrives Across the Enterprise Lines Azul Payara Server and Micro 7.3.0: …

Table of Contents What Can Be Validated Offline?What Cannot Be Validated Offline?Adding ChainwardenValidating an AddressValidating By Chain IdMapping Validation ErrorsSupported FormatsConclusionBackend validation often starts with simple questions. Is the input empty? Does it have the expected shape? Can it be …

Table of Contents What It IsWhat’s CoveredTry It Live, Run It LocalQuick StartBring Your Own ProviderRunning a Sample DirectlyExplore, Fork, Contribute Learning a new AI API usually means jumping between scattered documentation pages, guessing at imports, and copy-pasting code that …

Table of Contents The setupThe resultsWhy the differenceWhen to use itSpring Batch jobs usually follow the same pattern: an ItemReader streams rows, an ItemProcessor transforms each one, and an ItemWriter writes them out, chunk by chunk. A chunk-oriented step wires …

Table of Contents Step 1 — Get the original example running1.1 Install Deep Netts into your local Maven repository1.2 Clone and run the example1.3 Understand what’s in the dataStep 2 — Make the split deterministicStep 3 — Train and export …