Tabata Trainer - Aplicação Android

Hoje lancei a minha primeira aplicação Android, Tabata Trainer.

Desenvolver esta app tornou a minha aprendizagem de desenvolvimento Android numa experiência muito agradável, ao mesmo tempo dando algo de novo ao ecossistema de aplicações móvel.

A app permite aos praticantes de Tabata e desportistas em geral fazer os seus exercícios cronometradamente, de forma apropriada e automática. Fornece ainda a possibilidade dos utilizadores definirem/planearem os seus próprios exercícios e tempos de treino. Mais funcionalidades estão previstas para esta aplicação!

Intel graphics extreme color saturation using HDMI and M2250D

When I acquired the LG M2250D display I noticed that when connecting it to my computer via HDMI, under Windows, the colors would be extremely saturated. This issue was not reproduceable in other operating systems and also not via VGA (under Windows too).

Saturated color of Windows' window

Expected color of Windows' window

A working bashrc function without parameter expansion (globbing)

I have noticed that the function I had under my bashrc script to simplify the syntax of the find command wasn't actually working for all cases. When I passed asterisks for the search criteria, I was left with weird findings resulting from parameter expansion (globbing). Here is the failing function (from my home .bashrc):

function findf() {
   find $1 -name "$2" 2>/dev/null
}

ADB - CPU usage and staggering mouse cursor

After tuning my system to develop an Android app, I noticed that every time ADB (Android Debug Bridge) daemon was started, the mouse cursor (and all graphics for that matter, as well as other I/O tasks like playing music) in my GNU/Linux system would start flickering, staggering, jumping, get slow, I'm not even sure what to call it. Besides that, the CPU usage was always around 2% to 7% (if seen from KSysGuard, lower using ps).

KSysGuard shows the ADB daemon consuming an average 4% CPU time

The vmware-usbarbitrator binary closes itself with "Pipe unexpectedly closed."

The binary closes itself after around 5 seconds. If run directly from the terminal it shows the following:

# vmware-usbarbitrator
Pipe unexpectedly closed.

Cannot find application with Spotlight (the missing solution)

As a recent user to the Apple world, I've been exploring and optimizing the OS X based on my needs. After playing with my OS X installation I ended up losing access to some applications (native ones!). I managed to restore them by copying the files from another OS X installation. However, Spotlight couldn't find the applications anymore. I searched for solutions but all I got was disappointment. So, I decided to fix it myself and share it with you.

Spotlight cannot find an application that is installed

Sudden FPS drop in F.E.A.R (Logitech hardware)

Some users have noticed that they cannot play the game F.E.A.R. (or Condemned: Criminal Origins) with a high framerate, even though their machine is powerful enough for running 5 instances of the game simultaneously. Even weirder is the fact that the game will usually start with the correct framerate but will suddenly drop to 10-20 FPS, after some seconds or minutes. With such a low framerate, it gets difficult to play with pleasure.

You won't let Alma run away from you at 15 frames per second, will you?

Aplicação: Serviços Académicos da Universidade de Aveiro

Anuncio o lançamento da aplicação SACUA ou Serviços Académicos da Universidade de Aveiro, que permite a qualquer utilizador da Universidade de Aveiro consultar os números atuais das senhas dos serviços académicos sem ter de aceder propositadamente ao PACO ou outra interface web, bastando para tal ter este programa instalado no computador pessoal.

Este software resulta de um fork de conteúdo que virá a ser integrado na próxima versão do DETI-Interact, um sistema de interação com ecrãs públicos presente no hall de entrada do Departamento de Eletrónica, Telecomunicações e Informática (DETI) melhorado por mim por forma a suportar interação através do sensor Kinect.

O SACUA pode ser descarregado no final desta página.

O SACUA é tornado possível através do Academic Playground & Innovation.

Sistemas operativos: Microsoft Windows 7/8

Downloads:

31/10/2012

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SACUA versão 1.0

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Colloquium of Robotics and Cybernetics

In 1998, Kevin Warwick connected his own nervous system to a computer. The deed transformed the expert in Cybernetics of the University of Reading in the world's first cyborg. The unusual and sometimes controversial English Professor is one of the presences at the Colloquium of Robotics and Cybernetics that the University of Aveiro (UA) organizes on October 13, 2012.

Colóquio de Robótica e Cibernética

Em 1998, Kevin Warwick ligou o próprio sistema nervoso a um computador. O feito tornou o especialista em Cibernética da Universidade de Reading no primeiro ciborgue do mundo. O invulgar e, por vezes, polémico professor universitário inglês é uma das presenças do Colóquio de Robótica e Cibernética que a Universidade de Aveiro (UA) organiza a 13 de Outubro de 2012.