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PSR-7 – Immutability and StreamInterfaces

In May, 2015 PSR-7 was officially accepted. Despite that it’s quite a lot of time since then, the discussion on some of its aspects is still vivid. There are few implementations already available – maybe you are already familiar with some of them, but have you ever wondered about how…

Building with BLoCs, sharing the code

In my previous post you could gain some knowledge about Flutter and how you can build client applications for both Android and iOS devices at the same time. Today we will create single-room chat client apps for iOS, Android and web browsers with a shared code in form of BLoCs…

API Platform. REST API from scratch vol.1

Recently, developers of all modern applications aim to prepare applications based on REST APIs which are usually consumed by client-side applications. Such an approach simplifies reusing code, testing application and improve scalability. I will show you how to prepare application based on REST API in a few steps using API…

Mobile cross-platform development – now for something completely different

Up to this year options for mobile cross-platform development were somehow limited and applications were made with one or another JavaScript framework (ex. Cordova, Ionic, React Native) or working with Xamarin (based on C#). And Now for Something Completely Different. Flutter. In February 2018 Google announced that Flutter is ready…

From Java 8 to Java 11 – Quick Guide

Preface We are all familiar with Java 8 and its ingenious features, but over 4 years have passed from the day of Java 8 release and Java has made a few more big steps forward, with which not all of us had a chance to familiarize. And that’s definitely high…

Extended n-gram model for user behaviour prediction

Applying the n-gram-like model, which is a specific architecture for NLP related issues, suprisingly seems to be a good starting point for solving a problem of modeling user behaviour. As described in the previous survey of methods for data prefetching, some researches acheived an accuracy up to 60%, using it…

Offline-first application architecture

Imagine you want to check that recent email to remind yourself about the address you were to go and your email client application refuses to give it to you because you have no access to the internet – you may curse or pay. Or you are going by train or…

Insight of the 3rd edition of CoMeet in Berlin

Our 3rd edition of CoMeet event, was held on 16th May 2018 in Berlin. CoMeet had featured lightning talks from experts who have achieved significant results by integrating data science in their business. This time we met again in Kuntzschule in the heart of Berlin. How Data Science can create…

CodeteCON – 2nd edition in Lublin

Have you cooled down after CodeteCON #LBN2 in Lublin? I hope you still have few minutes to read this special conference summary. Make yourself comfortable and pour yourself a proper drink. Here’s the recap of the second edition of CodeteCON in Lublin. CodeteCON #LBN2 at Lubelskie Centrum Konferencyjne For those…