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Category Archives: Linux

A brief discussion about Crosswalk’s JS, JAVA and Native Extensions performance

05-Feb-15

I had a lot of fun recently playing with Crosswalk. I was basically testing it’s features and extensions when it hit me: I know it’s possible to write Native extensions for crosswalk Tizen, but is it possible to write Native Extensions for Crosswalk-android? How would it behave? Crosswalk android already provides a way to load […]

YouCompleteMe: semantic auto-completion and JumpToDefinition for VIM on webkitgtk+

11-Sep-13

Prelude Jump to the next session if you don’t want to read lullabies There was a time when I was a Qt application developer working with vim. It worked pretty well until I started to work with large applications such as Meego Application Framework. Hundreds of thousands of files, classes, I couldn’t memorize everything. Then […]

Prague, Telepathy and HTML5 IM Client

03-Nov-11

Hey guys! Last week I’ve attended to GStreamerConf and LinuxConf conferences in Prague, and Siraj and I had the honor of having our current project for Collabora exposed on Collabora’s booth. It shared space with two others amazing Collabora‘s demos: Media Explorer running a Telepathy plug-in, which adds IM and Audio/Video capabilities to the system. […]

Beat Maker – call for testers

18-Jan-11

Hello all! I promised this new release for the end of the last year, but I delayed it a bit due some changes in my professional and personal life. Anyway, basically this release is about bug fixing and performance improvement. It’s using less power now, and playing faster. If you want to try this version, […]

Beat Maker: The drum loop maker written with Qt

14-Oct-10

Beat Maker is my “pet project” with Allyson Soares at INdT. It is, basically, a drum loop emulator to be used by musicians during practicing sessions. You just need to select the samples, define a BPM value and listen to the rhythm ;) If you can’t wait for the official release at Ovi Store, you […]

Symbian, 2D games and Qt Optimization Flags

19-Sep-10

After two and a half years building rich UIs on top of QGraphicsView and trying every kind of exotic flags or approaches to get better performance results on symbian, I’ve decided to publish some of them which can be useful to game programmers. With a little help of Ademar, we’ve selected a good use case: […]

Symbian development using Linux on real life…

05-May-10

I believe most companies that develop Symbian products uses windows, and only windows, on their development process. Well… We don’t =) When we started to develop symbian applications at INdT we, as open source developers, decided to find a way to keep using linux as our development environment. On the beginning we didn’t have yet an official […]

Have you ever seen KDE Mobil?

27-Aug-09

I have! =)

Excelent News; Bossa Conference, Kde 4.2 and Debian Lenny!

05-Feb-09

I’m quite excited about the news of the last few days. First: KDE 4.2 was released. I’m using as my “oficial desktop manager” at work and I’m pretty happy about it. Second: Debian Lenny might be released this month.  I’m using it too, and I know the result will be very good! Third: BossaConference agenda […]

SU-W8 accents on N800.

30-Jun-08

I was wondering why my SU-8W BT keyboard doesn’t work well with pt_BR layout. So, yesterday, I decided to investigate this. When I was trying to pairing my keyboard, I could see that Su-8W is a pre-configurated keyboard, and with a little of patience, I dicovered the file who manages this: /usr/share/X11/xkb/symbols/nokia_vndr/su-8w. With 5 minutes […]