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Managing Secrets with Vault

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How do you store Secrets? Passwords, API keys, secure Tokens, and confidential data fall into the category of secrets. That’s data which shouldn’t lie around. It mustn’t be available in plaintext in easy to guess locations. In fact, it must not be stored in plaintext in any location. Sensitive data can be encrypted by using the Spring Cloud Config Server ...

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Our Tools (Sometimes) Lie to Us

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My bachelors degree is in Electrical Engineering and when I started looking for my first post-college job, I had to make the decision whether to work in more traditional electrical engineering careers or in computer science-oriented careers. I had been writing code in BASIC since I was a kid, then Borland Turbo Pascal in my middle school and high school ...

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Product Owners and Learning, Part 5

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When I think of POs and the team, I think of learning in several loops: The PO learns when the team finishes small features or creates a prototype so the PO can see what the team is thinking/delivering. The team learns more about its process and what the PO wants. If the Product Manager sees the demo, the Product Manager ...

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Increasing Resource Efficiency with Microscaling

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According to Gartner, the average data center utilization worldwide is around 10 to 15 percent, which isn’t great for resource efficiency. The leaders in resource utilization, Google and Netflix in particular, do a lot better at 50 to 70 percent. Unfortunately, resource efficiency is probably going to get worse if we don’t do anything about it. Public cloud and automation ...

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Applying TF-IDF algorithm in practice

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In this post I am going to share my experience with categorizing unstructured data in URLs. I ended up applying TF-IDF algorithm to solve the problem at hand and thought the experience would be interesting to share. The post is focusing solely on the problem solving, but as the context used is related to Plumbr then first some background for ...

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Developing Modern Applications with Scala: Testing

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Table Of Contents 1. Introduction 2. ScalaCheck: the Power of Property-Based Testing 3. ScalaTest: Tests as Specifications 4. Specs2: One to Rule Them All 5. Conclusions 6. What’s next 1. Introduction In this section of the tutorial we are going to talk about testing frameworks which are widely adopted by majority of the Scala application developers. Although the hot debates ...

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How to Inspire Community in Programming

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After coming back from a Ruby for Good event, I’m reflecting on how I’ve experienced firsthand many of the principles necessary for growing and inspiring community in programming. Ruby for Good is an annual meetup where people donate their time and abilities to “build projects that help our communities.” People with any experience level can participate, from those just learning ...

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Thank You Notes: They’re Not Just About Gratitude

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Thank You notes have been part of the job search tradition for many years, and although the typical delivery format has been updated (email is fine), I tend to find that candidates still primarily view the note as a gesture of gratitude or a formality. I suggest that job seekers instead view the Thank You note as an opportunity to ...

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