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Java backend courses 2026: top-7 programs

https://sudonull.com/java-backend-courses-2026-top-7-programs

Choose a Java backend course for 2026: Netology, Skillbox, Hexlet. Spring Boot, microservices, internships, AI. Comparison, projects, reviews. Start learning!

HttpClient Spring 7: Feign replacement

https://sudonull.com/httpclient-spring-7-feign-replacement

Declarative HttpClient in Spring 7 as an alternative to FeignClient. Setup with OpenAPI, validation, virtual threads. Instructions for middle/senior dev.

Legacy code optimization: reducing processing time by 99%

https://sudonull.com/legacy-code-optimization-reducing-processing-time-by-99

How to speed up processing of 75k records in a legacy system in 4 steps. Analysis of overhead costs, batch operations, batch setup and safe scaling. Practical case for Java developers.

sa-tests-db: data flows in static analysis

https://sudonull.com/sa-tests-db-data-flows-in-static-analysis

Learn how data flow analysis and interprocedural approach allow the static analyzer to pass Russian National Standard R 71207-2024 on sa-tests-db. Details on data-flow, control-flow, and hybrid scheme for C, Java, Python.

CUBA Platform for Java: pros and cons

https://sudonull.com/cuba-platform-for-java-pros-and-cons

CUBA Platform Breakdown: how the framework speeds up hackathons but slows down production. Comparison with Spring, scaling issues, vendor lock-in. For middle/senior devs — read cases and conclusions.

From the web

Oct 1, 2025 ·

https://www.zuidhollandbereikbaar.nl/werkzaamheden/a44-vervangen-brug-en-viaducten-2

Oct 1, 2025 · De A44 tussen Haarlemmermeer en Wassenaar is aangelegd in de jaren 30 van de vorige eeuw. Het Lisserwegviaduct, het Hoofdvaartviaduct, de Kaagbrug en het Spoorwegviaduct zijn aan vervanging toe. In oktober 2025 is Rijkswaterstaat gestart met de vervanging van het Lisserwegviaduct.

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