Contracapa – The Book Thief, de Markus Zusak

O Book Thief é um livro sobre livros… ou antes… sobre livros roubados como metáfora de uma juventude vivida nos subúrbios de Munique durante a segunda guerra mundial.

Contracapa do livro The Book Thief, de Markus Zusak.

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  2014/12/17 8:44 PM

What are f-stops? (with the help of processing.js)

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I’ve been playing with processingjs lately and recently decided to explore it more as a tutorial tool. Above you get a small interactive simulation of the dimension of a lens aperture as a function of the f-stop number and its focal distance. Mainly this was to illustrate the working of a lens in a photography post I wrote on WHAT ARE F-STOPS? in portuguese some time ago. The experiment showed me that for the web the JS version is now much more interesting to use than the java only version. If you have any suggestion on how to improve this demo, please shout!

  2014/12/11 4:45 PM

This Will Revolutionize Education

Being involved with distance learning, having helped the programming assessment platforms for MOOCs, and being interested in all ways how to improve our learning abilities, this video resonates with me on so many levels that I had to put it here. What is the next revolution in education?

  2014/12/01 5:06 PM

Contracapa – Pines de Blake Crouch

Quando o agente secreto Ethan Burke chega a Wayward Pines, no Idaho, em busca de dois colegas desaparecidos, está longe de adivinhar que a sua vida está a prestes a tornar-se numa luta pela sobrevivência… Download MP3

  2014/11/28 10:11 PM

Search better than apple’s spotlight

I hate that spotlight indexes external drives. I hate waiting for hours for it to create hidden folders of catalogs that are just waisting space. I hate that it does it to my friends drives that I will only use once and that they will take home with a strange index folder full of rubbish. […]

  2014/11/20 11:57 AM

Easy checklist generation in LaTeX

The best way to produce a checklist for printing is the easylist1 package, hands down. in the preamble of your document add \usepackage[ampersand]{easylist} and in the text use \begin{easylist}[checklist] & This is Level 1 (Bold) open item && This is a level 2 open item \end{easylist} This is an excellent solution to produce checklists in […]

  2014/11/18 7:07 PM

Simplest way to have chapter bibliographies in Latex documents

When writing long documents in LateX like Thesis or books you might want to implement bibliographies on a chapter by chapter basis. This end of chapter bibliographies can be achieved using the bibunits1 package. Here’s an example \documentclass{article} \usepackage{bibunits} \defaultbibliography{references}   \begin{document} \bibliographyunit[\section]   \section{Introduction} References to some work~\cite{Rodrigues:2014} that is of the most scientific […]

  2014/11/13 3:46 PM

Quick update

I’ve been back to programming a lot in Java for the past few weeks as part of a paper I’m writing with E. Rodrigues. Coming back to Java after last year’s programming for T174 at the OU was very nice because Java 8 is finally out. It brings lambdas and streams and all that. I […]

  2014/11/11 9:30 PM


The past decade has seen the rapid development of the online newsroom. News published online are the main outlet of news surpassing traditional printed newspapers. This poses challenges to the production and to the consumption of those news. With those many sources of information available it is important to find ways to cluster and organise […]

  2014/09/23 8:52 AM

Peer Assessment in Architecture Education

Peer Assessment in Architecture Education – Brno – ICTPI'14 – Mafalda Teixeira de Sampayo, David Sousa-Rodrigues, Cristian Jimenez-Romero, and Jeffrey Johnson The role of peer assessment in education has become of particular interest in recent years, mainly because of its potential benefits in improving student’s learning and benefits in time management by allowing teachers and […]

  2014/09/13 10:03 AM

As Notas de Entrada em Arquitectura

Todos os anos chega esta altura e começa a discussão de quem é o melhor na angariação de alunos para os respectivos cursos de ensino de Arquitectura. Normalmente os jornais mostram apenas as notas dos últimos classificados e aí estala a discussão. A única forma de saber quem conseguiu atrair os melhores alunos de Arquitectura […]

  2014/09/07 9:41 AM

Systems that are Sensitive to Initial Conditions

Your browser does not support the canvas tag. JavaScript is required to view the contents of this page. Systems that are sensitive to initial conditions are those that whose trajectories diverge in ways that are not predictable. One of those systems is the chaotic Lorenz attractor, but even simpler systems can show dependence on the […]

  2014/08/29 9:57 PM

Lucy, not really a must go and see film

Take a good idea, a potentially great idea, and put it in the hands of a director (Luc Besson) that is known for stories of triads, professional assassins and revenges and you get Lucy. But the problem is that the brain expansion and the Taipei triad scenario don’t match. This movie was going to be […]

  2014/08/29 8:49 AM

R Tip: ggplot axis labels

How to change the x and y axis labels in ggplot2? For this example I’ll be using the movies dataset. library(ggplot2) data(movies) Traditionally the labels are set by ggplot directly from aesthetics selected e.g.: p0<-ggplot(data=movies, aes(x=year)) p0<-p0+geom_point(aes(y=rating))+geom_smooth(aes(y=rating)) p0 To change the labels of the ggplot axes we can use xlab and ylab p0+xlab(’The glorious years […]

  2014/08/18 2:47 PM

Siri’s Inventors Are Building a Radical New AI That Does Anything You Ask

The inventors of Siri are confident that their next creation will eclipse the first. But whether and when that will happen is a question that even Viv herself cannot answer. Yet.via Siri’s Inventors Are Building a Radical New AI That Does Anything You Ask | Enterprise | WIRED. Are we getting to the point of […]

  2014/08/17 12:39 PM

Is the singularity cost prohibitive?

The idea that a technological singularity is going to hit us any time in the future and that at that moment in time we’ll be presented with (now) unimaginable artificial intelligence (or at least greater than human intelligence, and that’s not saying much because on its own greater-than-human-intelligence is full of caveats) is a recurrent […]

  2014/07/21 3:42 PM

How Educators Around The World Are Implementing Mobile Learning And What You Can Learn From Them

Still, UNESCO reports that 250 million students worldwide cannot read, write, or count, even after four years of school. Close to 775 million adults– 64% of whom are women–still lack reading and writing skills, with the lowest rates in Sub-Saharan Africa and South and West Asia.via How Educators Around The World Are Implementing Mobile Learning […]

  2014/07/21 10:01 AM