When I first heard of functional programming (FP) I thought it’s another over-hyped thing that no one needs. I lived in my happy object-oriented world and didn’t think that there is something I should change. It wasn’t until I saw very convincing video where Uncle Bob described why FP is so important.

For the last 2 years Angular Team at Google, with huge support of the community, has been working on a new Angular framework. It has been completely rewritten with better performance and ready to use even outside the browser. In this article I want to introduce you to the basics of Angular 2+; we will build a small web application using angular-cli tool.

Jeśli dopiero zaczynasz swoją walkę z JavaScriptem, to przeskok pomiędzy “nie wiem o co chodzi” a “używam Angulara” może się odbyć nie do końca świadomie. Mając za sobą kilka tygodni stażu trudno wywnioskować, że dany framework jest właśnie tym czego potrzebujesz. Internet huczy, nie chcesz zostać w tyle więc po prostu próbujesz – konsekwencje przyjdą później.

This is a story of a bug I had an opportunity to fix in the ancient times of node.js 0.10. The new and shiny node.js 0.12 was still just glimmering somewhere on the horizon, we were still young and beautiful. Some of us, at least. Let me take you on an adventure through time and space. Hopefully, there will be some learning involved along the way. So hop on the magic school bus and we’re off!

Czy można połączyć wygodny .NET ze zwięzłym i czytelnym kodem F# i wygenerować z tego JavaScript ? Można i co więcej mamy do tego bardzo inteligentne narzędzie.

A few days ago, a new tool came from the Facebook team: Yarn package manager. The results published on the official Yarn web page are fantastic. I'm using local NPM gallery, so some of the NPM problems don't exist for me. Still, the npm install command is quite slow. How the yarn install command performs? Can it be much better? Let's check it out.

MomentJS czyli szybkie manipulowanie czasem JavaScript mniej więcej ogarniam, ale nie pisze w nim zbyt często. Zdarza się jednak, że trzeba to zrobić. Tak jak niedawno chciałem zamieniać czas Utc do lokalnego. Oczywiście można to zrobić przez czysty JS, ale znalazłem bardzo prostą bibliotekę do tego celu.  A nazywa się MomentJS. Co możemy dzięki niej zrobić? Wszystko. Cytując tekst ze strony „Parse, validate, manupulate and display ...

Is react making ASP.NET MVC obsoleteShould I start using JS in my .NET projectsBackend / Frontend and career options 1. Is react making ASP.NET MVC obsolete ? There is a huge hype around react, same with Angular2 and also Aurelia. This might create a feeling that maybe ASP.NET MVC is obsolete but it is not. ASP.NET MVC is an apple when react is an orange. Same thing happened some time ago when RoR launched. There was a huge hype and I was also afraid that maybe RoR will make my WebForms knowledge obso...

Last week I had a pleasure to attend and present the Azure Portal insights at the Visual Studio Live conference in Redmond. Throughout the conference, 5 sessions were being presented simultaneously, and 1 session was being streamed live. My session was chosen to be streamed live, and is now available on channel9!

When you want to learn something new, you will probably come to the phase of practice. This could be hard to start, because you have to prepare everything around. I wanted to learn Javascript and some framework so I had to prepare html views, backend etc. So here it is first article of JS exercise platform. Platform for you, so you can learn the newest JavaScript (ES6, ES7) by coding. Focus on what you want to learn.