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Git is the most popular version control system in the entire known universe. Somehow, I wasn’t part of this universe until about six months ago. In my last workplace, we got by using SVN. Looking back, I don’t even know why we chose SVN. Oh wait, I know – it was one of those things that belonged to the list of the company's long-running traditions, and nobody took the initiative to change it.
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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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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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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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When our test suite grows we start to notice that some parts of our code get duplicated. Duplicated code decreases readability and is hard to manage since eventual changes or fixes have to be propagated to all duplicated parts. Solution to such situation is to keep your code DRY meaning ‘Don’t repeat yourself’. This is one of the most basic programming  principles that we should also use while writing specs for our applications.
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In today's TIL...
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Message Queue Telemetry Transport is a lightweight messaging protocol for small sensors and mobile devices, optimized for high-latency or unreliable networks. It works on top of the TCP/IP protocol. It has been used in sensors communicating to a broker via satellite link, over occasional dial-up connections with healthcare providers, and in a range of home automation and small device scenarios. It is also ideal for mobile applications because of its small size, low power usage, minimised data packets, and efficient distribution of information to one or many receivers. These qualities, along with reliability and some degree of assurance of delivery makes it a worth-to-consider solution in “machine-to-machine” (M2M) or “Internet of Things” products.
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Apollo Client is a library that helps you manage data in frontend applications built on top of well-known and respected Redux (predictable state container). If you were to start using it today, would you know how best to approach it?
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Some time ago, I got assigned to the enigmatic task of analyzing and implementing the integration with a new payment provider for our client’s Austrian services. The requirement was straightforward: the new payment service should be Adyen, as Adyen supports SEPA payments. Here is the story about how it all played out.
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