ao2.it | Antonio Ospite, theorist attacks

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Have a clean history with git-rebase

by ao2, May 8, 2012

When working on a project you may want to have a clean history, this makes identifying problems —which there will be— a little easier at some point in the future.

A possible functional definition of “clean history” in the context a software project could sound somewhat like:

Each unit of change in the public project history brings the system in a working state.

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An Open Source driver for USB pico projectors

by ao2, March 30, 2012

This is a follow-up to the previous story about am7xxx devices.

The 0.1.2 stable release of libam7xxx is out, and some binary Debian packages are available as well.

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Generating YUV test samples with GStreamer

by ao2, January 23, 2012

If you need to generate test samples in different YUV formats you can use GStreamer's ffmpegcolorspace plugin like in the following snippet; for instance, in order to get an image in the NV12 raw format you can do:

Attached files:

gst-convert-to-yuv.sh - convert an image to a raw YUV format

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On USB projectors, linux and libam7xxx

by ao2, January 18, 2012

I was looking into compact/mini/pico/handheld projectors, and I obviously wanted something I could use under GNU/linux, there were basically two choices:

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AOSP?

by ao2, January 15, 2012

Every time I read AOSP in the news I think something is not quite right.

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1337 eye chart vectorized

by ao2, January 9, 2012

I ran into this joke via Paolo Attivissimo, I was bored on the holidays and decided to vectorize it.

Attached files:

1337 eye chart, master version

1337 eye chart, text converted to paths

1337 eye chart, text converted to paths, numbers aligned

1337 eye chart, text converted to paths, numbers aligned, a4, white bg

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Don't mix LDFLAGS and LDLIBS

by ao2, November 27, 2011

Compilation of kinect_upload_fw (from kinect-audio-setup) was failing on some systems with messages like:

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[+]

Anguriñas

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Italiano

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Halloween?

by ao2, October 31, 2011

Inspired and adapted from a math joke:

Why do computer scientists always confuse Halloween and Christmas?
Because 31 Oct = 25 Dec.

Computer Scientists Halloween demotivational poster

Attached files:

Computer Scientists Halloween demotivational poster source doc

Template for demotivational posters

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Gnome 3: go to Shell? Not just yet, thanks.

by ao2, October 19, 2011

In Debian Unstable the transition to Gnome 3 is taking place; when Gnome 3.0 firstly came out some unnamed geeky users complained loudly about the design decisions of the development team to push strongly towards gnome-shell as a new default UI; gnome-shell was designed focusing on usability (usability is a metric relative to a certain target audience BTW) and simplicity, hiding a lot of details from the users. Obviously you can never make everyone happy so some of us simply happened to be “out of target”: you know us computer people (*cough cough*), we like to be in charge and control The Machine...