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Sergey @ Udemy @SwiftVideoBlog

I create video courses for Java Developers

Joined April 2015
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Sergey @ Udemy@SwiftVideoBlog
2 Jan 2024
My new video course is now live on #Udemy šŸŽŠ. Apache Kafka for Event-Driven Spring Boot Microservices. I like how my year started.šŸ„³ udemy.com/course/apache-kafkā€¦ #ApacheKafka #SpringBoot
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AI is getting smart and everyone is talking about vibe codingā€¦ but a piece I read recently ended with a line that I liked a lot! - ā€œJava is here to stay, and so are folks who know itā€. That felt super encouraging.
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Apparently, first version of JUnit was written on a plane šŸ™‚. Kent Beck and Erich Gamma pair-programmed it on a flight from Zurich to the 1997 OOPSLA in Atlanta. What else were two geeks to do on a long flight but program? šŸ˜… martinfowler.com/bliki/Xunitā€¦ #JUnit

bliki: Xunit

The XUnit family of testing tools have their origin in Kent Beck's seedwork built in Smalltalk. JUnit's first version was written by Kent and Erich Gamma on a flight to OOPSLA 97.

martinfowler.com
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I used to think I had to learn and figure out every single detail before starting a project. Now I just start with what I already know and learn the rest in small iterations. And always keeping my final goal in mind. This way I see progress and results(good or bad) much faster.
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When I look back, I see how many mistakes Iā€™ve made in code.ā€ØAnd instead of being embarrassed, I use them as proof that Iā€™ve been learning all along.ā€ØThose mistakes are part of why I can solve problems faster now.
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GitHub has moved fully under Microsoftā€™s CoreAI, and Copilot is center stage. Feels like dev workflows are now AI-first by design. windowscentral.com/microsoftā€¦

GitHub Just Got Assimilatedā€”CEO Out, Copilot In, Microsoft All Over It

GitHub CEO Thomas Dohmke will leave as Microsoft moves the platform into its CoreAI division.

windowscentral.com
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I think if you know your codebase by heart, these AI tools can actually slow you down.
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Iā€™ve realized that my environment affects how I think about code. A noisy place makes me write quick fixes. A calm space makes me write more thoughtful solutions.
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ā€œDevin, the AI engineer,ā€ just raised nearly half a billion dollars. Impressive but someone still has to know how to prompt it well, review its output, and fit that code into the real system.
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I still remember how lost I felt the first time I tried to write Unit tests. Now I can't imagine a good project without them. Progress doesn't always feel fast, but it's always there when we look back. ---- Java developer? Check my video courses: udemy.com/user/sergeykargopoā€¦
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Iā€™ve realized that saying yes to too many side projects quietly eats up my energy, even if they all seem interesting. I always feel happier and less burned out when I finish one thing before moving on to the next.
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Anthropic shipped Opusā€Æ4.1 for tougher coding and agent tasks. I like that theyā€™re chasing reliability more than showy demos. anthropic.com/news/claude-opā€¦

Claude Opus 4.1

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

anthropic.com
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Every time when I write too much clever code is usually a trap. Itā€™s fun in the moment and feels cool. But later, Iā€™m the one stuck trying to understand what I wrote šŸ˜¬. Simpler code with good comments is always better.
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When I'm working on something tricky, I often talk through the problem out loud. Especially when no one is around. Somehow, it helps me understand it better šŸ˜Š.
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GitHubā€™s CEO says devs should adapt to AI or leave the field. Not subtle. businessinsider.com/github-cā€¦

GitHub CEO delivers stark message to developers: Embrace AI or get out.

Thomas Dohmke wrote that humans are often resistant to change. He said that's okay, but these people should probably find another profession.

businessinsider.com
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Elon Musk says coding is becoming more like painting. Developers will focus on creative problem solving, not routine tasks. That sounds good to mešŸ˜Š
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JetBrainsā€™ Kineto is another tool that lets us build AI apps without coding every line. I wonder if no-code tools like this might make us lose touch with the craft šŸ¤”. Still, itā€™s tempting to spin up an AI app in a day and see what sticks. youtu.be/2Xwu5aVvg84

Make Your Ideas Clickable With Kineto by JetBrains

Weā€™re thrilled to introduce Kineto, our new AI-powered platform tha...

youtube.com
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Iā€™ve noticed that when I stay in a rush for too long, my creativity drops. My code and my lectures start to feel mechanical and plain. Iā€™ve learned itā€™s important to slow down and not feel guilty about it, because that slowdown is what actually improves the quality of my work.
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When Iā€™m working on personal projects, there are days when I try to write the most elegant code I can. While other times, I just focus on making the feature work and leave refactoring for the second iteration. And Iā€™m fine with that because it keeps my projects moving.
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A little practical tip. Keep a short ā€œnext stepsā€ list in your project folder. When you return to the code, youā€™ll know exactly where to start. Itā€™s a small habit that removes friction every day.
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Some of the best developers I have worked with were not the fastest. They were the ones who cared about leaving the codebase better than they found it. That habit quietly builds your reputation over time.
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