PWA choices

Posted: May 23, 2018 in Anouncements, PWA
Tags: ,

For the last years i had been talking and experimenting some theorical PWA development, in my market PWA had been until a few weaks.

Today o had read a fantastic article about PWA choices from Smashing magazine and i thisnk would be very important to note that and share with the ones who had interest in this topics

All the merit to Smashing magazine and Aaron for the fantastic article.




“In computing, reactive programming is a declarative programming paradigm concerned with data streams and the propagation of change.
This means that it becomes possible to express static (e.g. arrays) or dynamic (e.g. event emitters) data streams with ease via the employed programming language(s), and that an inferred dependency within the associated execution model exists, which facilitates the automatic propagation of the change involved with data flow.”


Many of you know me as the .net guy or the Angular Guy, but what i always say is we should consider and understand the problem and his
ramifications before you go to the technical stack or ecosystem.

And that had bring me in to two projects where mobile and cross platform was a topic and that the interface was must reactive.
The best toolset for that would be React Native and that was the solution, every one who knows me no how i make the choice and why i
choose so many times Angular or View over Angular, but that would be another post.

The buttom line is that i have launch 2 mobile projects powered by React Native one with a team and another as one man show and have deliver also some SPA’s in React.js.


God knows how much i think React is powerfull and how many times i say that not always having a good use especially in teams.

React is one off that technologies to easy and quick to enter, and many times difficult to make a right use.

That´s why after many requests i will launch soon a workshop where i will teach everything i had learn and the best pratices i have.

So keep tone and i hope soon to bring you all my trenches lessons of react.

And will be great to see the comparation, wins and lost of different toolsets to same problems, and how to excel with web development 🙂 of you around Portugal i hope to see you on

“React Foundations” from the trenches 32 hours of no bullshit or marketing but straight on real world training

Fake Rest services for POC

Posted: April 23, 2018 in React, React Native

Many of us when entering in a new technology, or to prototype some concepts had allways an issue that many times make new projects
born inside a project. Sometimes this is good but most of the times thi mines a lost off focus and if the goal is just learn a new
Library or technology of frontend or integration, dealing with the backend can make things last longer.


In my Workshops, study projects R&D and prototypes i am having one off tree approaches, that i would like to share with the
community, because they had been a good bet until now.

– Azure Hub Services: For a quick creation of a backend and to have some struture on the cloud;
– Firebase: A recent aquisition, and had been very impressive. This SAS is very easy to costumise and real cheap.
For classroms until now has been a gooda approach;
– Fake Services: Using generic Services created once for the effecta and reused. I have some solution on Azure Hub Services, based on
different topics like Movies, Contacts and Photo Galleries created for reuse. Other approach is is great for tests and it is already on the web and from every local you can use it.


All image copyrights to his author

In Example right now i am looking to the sea and building a propousal with a demo part, this react native demo. This need of puting a
real functional demos had born from a phone call. And this is the kind off challenge where time will be all.
is saving me. In the next hours i will only focus on the build off the frontend demo part, since i am out off the office and backend
is something not important for know. This approach can save your day.

I hope this post is usefull for you.


A typicall question i recieve from young and very old .net developers is whats the big difference between the various versions off .net, and what should be teir bet.

A fellow Microsoft MVP David Pine had wrote an excellent article about the differences and i would like to share that with our audience:

About .net standard i had start recently to use it at some projects and had been a challenge but the cross platform promise woth the effort.



I was get my development environment for a new project that as the goal to create a totally cross platform app.

This app will work on web and will also have a Android Mobile APP and a IOS Mobile APP.

Typically i would have a MACOS to compile the Mobile APP and this can also be usefull to test web developments on
MACOS browsers.

Since i am working on different client and offices this isn’t the best approach. I believe this question is also the question
some off my colleagues Developers and Architects have, so i would like to share with you the solution i end up implementing.

First i had to choose a Virtual Machine technology, in my case i already have Virtual Box on my machine and i choose to use that.

Then i generate a Virtual Machine from my MAC development machine, to use as hard disk of my MACOS development VM.

If you don’t have how to generate the VM, you have a downloadable vm at thanks to (i don’t know if it his total legal to use this).

Once you have the disk image on your pc, create a new Virtual Machine on Virtual Box and attatch the MACOS image as the disk of the VM.

In case you intend to use Xamarin like in my case don’t forget to grant that your physicall Windows Machine and the VM are at the same network subnet.

You have also a good tutorial about the usage of the MACOS image at the follow Wikigain video


!!!Important note

For the ones who don’t want all this hard work or don’t have processing available for this i also recommend you to try a option that allow you to rent a MACOS in the cloud.

The Web is more then just…

Posted: April 14, 2018 in Anouncements

An excelent article to remember us all what the internet is, special for developers

proud logo

Posted: April 12, 2018 in Anouncements

I recieved yesterday a steaker that i am very proud of recieving, a online initiative that i am proud that we have in Portugal for the quality and mission.


Soon you will see why this had come to my desk ;). Thanks Portugal a Programar