Writing on C++, low-latency systems, performance engineering, and software craftsmanship by Eduardo Dionisio.https://dionisio.dev/https://dionisio.dev/en/artigos-tecnicos/n8n-gratis-oracle-cloud/https://dionisio.dev/en/artigos-tecnicos/n8n-gratis-oracle-cloud/If you're just getting started with automation, or you're already a dev and want an unlimited Zapier/Make running on your own infrastructure without spending a single dollar a month, this step-by-step guide is for you.Tue, 21 Jul 2026 00:00:00 GMTAutomationn8nOracle CloudDockerDionisiohttps://dionisio.dev/en/artigos-tecnicos/cpp-hft-low-latency/https://dionisio.dev/en/artigos-tecnicos/cpp-hft-low-latency/In 2020, Jane Street processed over 1 billion market data messages per day. In C++. Citadel Securities moves over $470 billion in daily volume. All in C++.Tue, 21 Jul 2026 00:00:00 GMTC++HFTLow LatencyCritical SystemsPerformanceDionisiohttps://dionisio.dev/en/artigos-tecnicos/cache-affinity/https://dionisio.dev/en/artigos-tecnicos/cache-affinity/Here's a brutal truth about performance that few people internalize: the bottleneck isn't the CPU. It's the path between the CPU and memory.Tue, 21 Jul 2026 00:00:00 GMTPerformanceC++CacheLow LatencySystemsDionisiohttps://dionisio.dev/en/artigos-tecnicos/classificacao-imagens-vision-transformer/https://dionisio.dev/en/artigos-tecnicos/classificacao-imagens-vision-transformer/If you want an AI project that feels more like a product than a toy demo, this one is a strong entry point.Sun, 19 Apr 2026 00:00:00 GMTVision TransformerComputer VisionWebcamHugging FaceOpenCVPythonDionisiohttps://dionisio.dev/en/artigos-tecnicos/rag-local-com-pdfs/https://dionisio.dev/en/artigos-tecnicos/rag-local-com-pdfs/Everything here runs 100% locally, with no external API, no token costs, and full privacy.Fri, 17 Apr 2026 00:00:00 GMTRAGLocal AIOllamaLangChainChromaGradioDionisiohttps://dionisio.dev/en/artigos-tecnicos/ia-vai-acabar-com-os-devs/https://dionisio.dev/en/artigos-tecnicos/ia-vai-acabar-com-os-devs/Hey, dev Twitter crowd. Every day I see it on X: beginners posting “I’m going to quit programming, AI will replace everyone,” intermediates saying “tech layoffs, 2026 is going to be chaos.” I understand the discouragement. I’ve been a...Tue, 31 Mar 2026 00:00:00 GMTAICareerJob MarketLearningDionisiohttps://dionisio.dev/en/artigos-tecnicos/sre/https://dionisio.dev/en/artigos-tecnicos/sre/If you're a developer and have never heard of Site Reliability Engineering, or heard of it but think it's just another buzzword, it's time to understand what lies behind this acronym that became a pillar of big tech companies.Wed, 25 Feb 2026 00:00:00 GMTSREReliabilityInfrastructureDionisiohttps://dionisio.dev/en/artigos-tecnicos/clean-code/https://dionisio.dev/en/artigos-tecnicos/clean-code/I consider Clean Code one of the greatest classics in the world of software development. Some like it, some criticize it, but everyone definitely knows some concepts that came from this book.Wed, 25 Feb 2026 00:00:00 GMTClean CodeSoftware EngineeringBest PracticesDionisiohttps://dionisio.dev/en/artigos-tecnicos/bigo/https://dionisio.dev/en/artigos-tecnicos/bigo/Quick View: — Big-O notation is a way to measure how much time and memory your code can consume as the input grows. Mastering Big-O means identifying cost patterns to make informed decisions.Wed, 25 Feb 2026 00:00:00 GMTAlgorithmsPerformanceData StructuresDionisio