ao2's blog

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Have a clean history with git-rebase

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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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Generating YUV test samples with GStreamer

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:


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On USB projectors, linux and libam7xxx

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?

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

ao2 logo mocking Android

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Don't mix LDFLAGS and LDLIBS

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


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Halloween?

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

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

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...

Gnome Shell default look on Debian
gnome-tweak-tool show desktop icons
Gnome 3 fall-back mode default look on Debian
Gnome 3 fall-back mode applets rearranged
Gnome 3 fall-back mode rethemed to have a light panel

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Can I clone it, Ma?

In the attached picture you can see Betty Lou, the cat living in the garden here.

Betty Lou on National Geographic