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Ruby Brief #51: Bugs, Blockchain and the Strategy Pattern

Hello and welcome to the 51st issue of Ruby Brief. We’ve got more links than usual – looks like December 2017 was a very productive month for the Ruby community. Read on! 
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Google’s Design Sprint methodology is an amazing tool. At Netguru, we used it as a starting point for developing our internal methodology. We established a really strong process to offer our clients a comprehensive tool that can solve many real problems.
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Video chats are implemented in a great many applications. Facebook’s Messenger, WhatsApp, Skype, Google Hangouts, or Slack – they all have it. If you want to follow their steps and implement a video chat in your application, you might encounter some problems. Most of them are paid solutions that only use their provider’s servers. That’s why I created VideoChatGuru, an open-source solution accessible to anyone who wants to have a video chat in their app.
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Importance of a Style Guide in Frontend Development

The approach to designing web applications has changed a lot over the past few years. Nowadays, it’s typical not to design full pages but to create a system of elements and components instead that can be connected to build a page or shareable partial, which can also be referred to as a component. Using this workflow lets us create a flexible, logical and consistent interface system that can be described with a style guide.
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The most frequently googled questions about Android programming are: Why is Android app development hard? and Why is Android development so complicated? All in all, developing an Android app doesn't have to be more complicated than any other app. There are a lot of things that you have to keep in mind, but with the tips presented in the article, you can make the process effortless.
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In May 2017, the Android team at Google announced first-class support for Kotlin, a statically typed programming language that runs on the Java Virtual Machine (JVM). Kotlin is built by JetBrains, who (it is worth noting) is also responsible for developing the JetBrains IntelliJ Java IDE, which Google’s own Android Studio is based on.
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He showed faces of politicians in a small book. And then it went viral. We spoke to Abdullah Alkhonaini, a man that rolled a snow ball in Kuwait. 
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10 Matchmaking Companies to Look Out For

The word ‘matchmaking’ might spark a cringe. It brings to mind scenes in which two strangers sit awkwardly facing each other, closely watched by their parents and not knowing what to say. Fear not, though, because matchmaking in the 21st century is nothing like it used to be two hundred years ago. Nowadays, it uses AI algorithms and is fully voluntary. The concept has also expanded well beyond romantic matches. You can now get matched (or connected) with employees you seek, caterers you need for your business, or people who could clean your home or fix your tech issues. Take a look at ten companies aiming to revolutionise our personal and business lives with state-of-the-art matchmaking technologies!
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From FinTech to FemTech to InsureTech – and much more besides – the Berlin startup scene is bursting with innovative young companies disrupting industries and designing tools to make our everyday lives easier. Here, we’ve picked eight of the very best of them – all offering life-simplifying apps that will quite literally change the way you work and live for the better. Let’s take a look…
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10 Startups that are Changing the Way We Eat

Food. We need it to survive, right? The way we provide nutrients to our bodies has changed a lot over the centuries, but the Digital Age brought in revolutionary changes which took place at an unprecedented speed. The startups showcased in this blogpost can help reduce the hassle associated with preparing food in many ways: they bring piping hot food straight to our door, deliver pre-portioned ingredients so that we can cook ourselves, or even do away with chewing altogether and supply powdered food. Want to know how the way we eat will change soon? Read about the 10 startups that are ushering in a food revolution!
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There are some truly brilliant and original transport and logistics companies operating around the world today – and many of them have sprung out of Europe’s number one tech hub of Berlin. Today, we want to give a big shout-out to some of these companies and show our appreciation of what they’re doing. The ones listed below are truly world-class, innovative, and are pressing forward with some of the most disruptive transport and logistics solutions that you’re likely to find anywhere in the world. Let’s take a look…
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Big Data: Dataset Importing Guide

If you have a project going or plan to start a new one, there's a high chance that at some point, the data that you have gathered will become the most important asset you have. And if there's lot of data that needs to be constantly updated, then it may easily become a terrible headache for you. How to approach the problem of doing regular data imports? Let us walk you through the process step by step.
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Ruby Brief #50: Habits, Euruko and Interactors

Here it is! The 50th edition of Ruby Brief, delivered right before Christmas. Once again, we’ve found some gems from all around the net just for you. Have a good read!
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Failure is instructive. You can learn from your mistakes just as much as you might from your successes, but isn’t it even better when you can learn from someone else’s mistakes? Check out our guide below on what NOT to do when you are a Project Manager!
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Great news on Friday morning! The CashCape-Netguru team received two awards during the fifth Bankathon Berlin this week! We’re extremely proud to have such an amazing talent on board.
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It’s often the little things that make hotels stand out or leave a negative impression. The little things that guests notice …. but hardly ever tell the hotel.
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With another Sprint Planning, the problem returns: how can I persuade the team to break it all down into a couple of smaller tasks rather than creating one big one? Below you can find a couple of arguments that worked for me and that will also hopefully do the trick for you when it comes to this all too common problem.
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Ruby Brief #49: Faktory, Lucky and Banking

Hello and welcome to another Ruby Brief. This month, we’ve got some shiny new things for you to check out, along with a few topics to make you think about the architecture of your apps. Read on!
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The NYC tech ecosystem and mature financial markets offer plenty of opportunities for young startups to flourish. However, when faced with strong competition, many startups die before they ever close a deal. To help NYC-based startup founders succeed in their ambitious projects, we’re presenting a comprehensive guide on how to survive on the NYC tech market, focusing on fund-raising, building efficient media and PR strategies, finding a great development team, and doing marketing and sales the right way.
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