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MQTT iOS Frameworks Comparison

If you are new to the MQTT or just want to refresh your knowledge, please read my overview of the technology first. The first step to build a stable and reliable iOS application with use of the MQTT protocol is to take some time to determine all use cases and possible scenarios. Based on that the expected specification can be created for the second step - choosing the right broker. The implementation of it on the server is not a task for iOS developer, but it’s important to know what are its functionalities and limitations. Only after that, the proper framework for iOS can be chosen. There are lots of the MQTT clients available. I had an experience with two of them: CocoaMQTT and MQTT-Client-Framework. However, there is also a third very tempting option, which is Moscapsule. The purpose of this blog post is to compare all three of them especially in terms of differences.
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Drag & Drop in iOS 11+

Intro Introduced in iOS 11, designed to be used on iPads between multiple apps, but works also on iPhones within one app. All discussed code can be found in demo app.
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I really like Angular! At the time most of the well-written websites were MVC applications, Angular 1 was a huge revelation to me Yes, there were older frontend frameworks such as Backbone, but Angular was the first one that made a real difference. I could compare it to the first iPhone – there had been ideas, there had been attempts too, but finally, someone made it just right. Over several years, I did many projects using Angular or Ionic, and when the time came, I switched to Angular 2, which was even better in my opinion. Those days, as the frontend part of my developer’s stack, Angular was safe to me and provided a comfort zone.
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There comes a time in life when you have to find your way, when you graduate from the university, or your secondary school, and here you are – young, ambitious and full of ideas. But where should you start? The market seems to be full of job ads. As a less experienced professional, you are looking for some opportunities such as internships or traineeships. So you start sending out CVs, and you are impatiently waiting for replies. I know this feeling, I was in this kind of situation too. I finally got my shot at a great career, and I would like to share my thoughts and experience with you about Netguru’s internship programme in the Quality Assurance department, which I had the pleasure to take part in.
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IoT From the Ground Up

It was 2012 when I first built an IoT device without even knowing that such a term already existed. Its codename was Pinpoint, and the primary goal was to allow localising objects and collecting information on their movement, which could be used in logistics to monitor a fleet of cars. Having been completed as part of my Engineering Thesis, the work ended in the closet instead of hitting the market. Back then, I didn't realise that IoT era had already begun.  
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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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This July, we took part in the third edition of EmberCamp in London. It’s the first time one of our front-end developers (Kevin Kucharczyk in this case) gave a talk there, making us feel more than just spectators at this splendid conference! Just like last year, we’ve chosen our favorite talks of this year’s camp, and we would love to share them with you!
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Android development requires modern solutions, a mobile applications store big amount of data. SQLite project, a default Android database engine was launched in 2000 and has some alternatives like pretty popular Realm and quite new ObjectBox. Both products comprise NoSQL database and have a few things in common: DB built for objects, ACID properties, Multiversion Concurrency Control (MVCC) architecture, core written in C++, reactive data observation and a multiplatform.
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Automated e-mails is a big business nowadays, and quite a  topic to discuss. Usually when developing a rails application a simple SMTP provider like Sendgrid or Mandrill with an addition of Sidekiq and Cron is more than enough. Nevertheless, you may encounter clients who already used some tools and have a large mailing list in, ActiveCampaign being one of them. Here are a few tips about ActiveCampaign and Rails implementation with the use of CloudFlare.
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Flags are everywhere. These boolean fields are so common that I cannot imagine a mature application that wouldn’t use them in multiple models – from the ubiquitous “admin” column on a User model to the “cancelled” flag on a Reservation model to various temporary flags that determine who should have access to some new features being tested. I’ve worked with apps that had very extensive models with many columns, out of which even 6 or 7 of were just booleans of various kinds.
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