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Kotlin is becoming more and more popular.  It took second place in most Loved and fourth place in most wanted technologies in last Stack Overflow Developers Survey!
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The ZigBee or ZigBee/IEEE 802.15.4 protocol is a specification created for wireless networking. It includes hardware and software standard design for WSN (Wireless sensor network) requiring high reliability, low cost, low power, scalability and low data rate. ZigBee-style self-organizing ad-hoc digital radio networks were conceived in the 1990s, but the IEEE 802.15.4-2003/ZigBee specification was ratified on December 14, 2004. And only half year later the ZigBee Alliance announces availability of Specification 1.0 (on June 13, 2005).
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Welcome to the five-part series of blog posts about SOLID Principles. In each part, I will describe and analyze one of these principles. In the last part, expect a summary of the entire series containing a few tips and thoughts.
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In 10th century Harald Gormsson, the king of Denmark and Norway united most of Jutland and Zealand under his reign. To this day we are celebrating his achievements by using one of the handiest communication technologies ever created, named after his nickname. In this article, I want to focus on a specific aspect of it, important for people building custom hardware products and applications communicating with them. I’ll try to explain when and why a custom Bluetooth Low Energy service is a good idea. This article has been written from the perspective of an iOS developer, but it's generic enough to be useful for any other environment.
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How To Get Your First Job in IT?

It’s safe to say that technology is a huge part of modern-day life. The technology and IT industries have never been more competitive. The need to up your game and match what you’re doing to the requirements of the companies hiring has never been more important. Let’s look at what you really need to know about securing a job in the IT industry. Whether you’re starting from the bottom and working your way to the top or applying for your dream job, this article has useful tips for you.
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Welcome to the five-part series of blog posts about SOLID Principles. In each part I will describe and analyze one of these principles. In the last part, expect summary of the entire series containing a few tips and thoughts.
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Two months ago Google released Android 8.1 for its branded devices like Pixel or Nexus. Last month we got an update for Android 8.0 from major smart devices vendors like Samsung. So as we can see, the full enrollment of the Oreo hasn’t been implemented yet. However, developer preview of Android P was released last Wednesday. So, now we have the first preview of the new Google’s child - Android P. The first developers’ preview is now live so we have decided to review the improvements and features that provides and creates short list of the coolest ones. Check out what Android P hides under the hood!
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The web development world is changing fast. I feel that we are moving towards splitting monolith web applications in two, by extracting backend part into an API. This solution, even though it has many pros, it brings in some difficulties as well. One of which are end to end tests.
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A Letter To Our Future Colleagues

Interested in starting a career in software development company? Or maybe you've been honing your coding skills for a while and are looking for a new opportunity? I have good news for you: we're always happy to welcome new programming enthusiasts to our team.
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I'd rather start with Hello world!, but it's overused, so hello reader! I'm Blażej, a 22-year old junior dev at Netguru. My 3-month journey started from workshops in August of this year. If you consider whether working for Netguru is your destiny or not, take a deep breath and find out what exactly being a junior means to me. Did I mention that I've moved 200 miles away from my hometown to work here?!
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