Gabriel Costa Silva @gabriel_cs
gabrielcostasilva.github.io/personal-websi… Paraná, Brazil Joined September 2009-
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I know it may sound stupid, but I can't help saying "please" to the Github Copilot when it asks "Would you like ..."
I'm a big fan of TDD. However, when building a new module with multiple CRUD operations, I find it challenging to apply it. With Rails, the generators automatically create all you need, so everything works right out of the box. In these cases, TDD feels less essential.
Leitura de Agosto/2025: Acredito que esse livro me transportou do iniciante para um intermediário no assunto. Ele aborda as principais funcionalidades do Rails enquanto dá várias dicas úteis sobre como usar o framework de forma eficiente.
Leitura de Julho/2025: O livro explica do ponto de vista biológico o que a economia comportamental tem identificado. A consequência da mensagem é dura: sem livre-arbítrio, você não é culpado pelas suas falhas, mas também não é merecedor das suas conquistas! Como viver com isso?
Exactly! I've got similar results in my research with Design Patterns! Developer skills matter! youtu.be/WP4Ird7jZoA?si… via @YouTube
Leitura de Junho/2025: Esse livreto foi uma grata surpresa. Ganhei ele por acaso, em um evento que estava acontecendo na rua, logo após uma sessão de terapia. Apesar das dicas não fugirem do padrão esperado, a forma como o texto é escrito dá um agradável refrigério pra alma ...
Last week, I published a new video on my Youtube channel. If you work with cloud, you should have a look: youtu.be/Kp4uwvYcnkM
From the series "Stranger Things (in programming)". I saw this DynamoDB error message this week: "The value for the field 'N' must be a STRING"
The service my AWS Lambda function depends on was experiencing slow response times. To mitigate this, I had two options: (i) increasing the Lambda timeout or (ii) implementing a retry mechanism, leveraging the provider’s result caching. Each choice directly impacts cost!
Canary & blue/green deployment are techniques that increase the team confidence in moving fast and testing ideas. If something fails, one just redirects the flow!
Both books advocate commenting code (and commits) with "why" instead of "what". It is "obvious" that you are checking the user age, but why is it necessary? Although this helps a lot while maintaining other's code, it is something tough to do.
Leitura de Abril/2025: Por meio de alguns casos reais, o livro discute o que acontece quando o vício toma conta da nossa vida e como voltar a ter o controle. Os argumentos são complementados com alguns estudos de psicologia e neurociência.
Wow, this is the first time I see something like this coming from a framework: “Before attempting to upgrade an existing application, you should be sure you have a good reason to upgrade”. From the official documentation: lnkd.in/djitZhSc
If you are starting a brand new commercial project in which a central entity holds information from several aggregates, which would be your DB model of choice? Why?
have experience with Java, Python, Ruby & JavaScript. Although some criticism, I still believe that Java is the best Object-Oriented language for large enterprise systems. Oh, and one more thing: Java is great to *learn* OO also!
A palavra chave aqui é "automatable". Quer dizer, "dá pra automatizar", mas não significa necessariamente que será automatizado. Lembre-se que a padaria da esquina está lá há 50 anos e ainda usa papel e caneta ;)
Leitura de Março/25: Um resumo rápido: (i) vamos depender de combustíveis fósseis por muito tempo; (ii) quase todas (senão todas) as notícias alarmantes sobre o futuro não devem se concretizar (pelo menos, não tão cedo); e (iii) a IA não vai dominar o mundo!
A nuvem exige gestão. Veja o exemplo do gráfico abaixo. O S3 standard nessa região é $0.023/GB, mas na IA cai para $0.0125/GB. Uma regra de transição de classe de armazenamento trouxe metade do volume para a classe mais barata!
Primeira leitura de 2025. O livro é um romance sobre dois amigos que desenvolvem jogos juntos e que possuem um amor platônico um pelo outro. O meio da estória ganhou minha atenção, já o começo e o fim, nem tanto.
Leitura de Outubro/24: Na verdade, uma re-leitura. Tenho esse livro há anos e, de tempos em tempos, tiro ele pra reler e ter uns minutos de diversão. Recomendo toda a coleção do Luis Fernando Veríssimo.
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89K Followers 137 Following @Java Champion, author of High-Performance Java Persistence and @Hypersistence Optimizer. Blogging at https://t.co/GWdHta4mMO
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Java at Microsoft @JavaAtMicrosoft
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Sam Kroonenburg @samkroon
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5K Followers 50 Following Use cases, UML, components. 'RUP was my baby, but babies grow up and some need corrections', resulting in EssUP, and now generalized as The Essence.
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