Good news for all gPodder users on the N800, N810 and N900 - you just got another gPodder update. Version 2.20.1 is just a bugfix release, but fixes some problems with YouTube feeds and other issues (see the release announcement for details). Jonas Kölker has also backported a patch from gPodder 3 to add support for YouTube playlists, so you can subscribe to these too, now.

Just in case you easily get confused by Debian version numbers: The old release is "2.20-1" (version 2.20, package version 1) and the new one is "2.20.1-1" (version 2.20.1, package version 1). Note that dots and dashes are not the same thing.

The gPodder update is already available in Diablo Extras and has been promoted to Fremantle Extras-Testing, so please test it and rate it on the QA page.

The upcoming MeeGo 1.2 Harmattan update (to version 1.2) features improved support for application updates.

The updated platform software will detect and announce updates to applications that are distributed through the Nokia Store.

And there was much rejoicing!

However, there are a couple of things developers need to be aware of when creating updates:

See the Nokia Publisher Guide for further details.

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Doing some math that requires you to calculate derivatives? Rather than calculating them yourself, you might want to let a calculator do it for you. Derivative is rather good one.

Derivatives runs on SymPy, which is a powerful symbolic math library and allows Derivative have a couple of interesting features. Mainly, Derivative can count all types (ordinary, partial and multiple) of derivatives from 1 to 3 variables, calculates gradient, divergent, curl and laplacian, has support for many output formats (from simple and bidimensional to even LaTeX, C and Fortran), simplification methods for non-numerical calculations, support for variable names like alpha, lambda etc. and much more. Of course, it’s completely free software. Just fetch the app from Extras with

sudo gainroot

apt-get install derivative

and check all the features for yourself.

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Have questions or suggestions? Maybe a problem? Drop us a comment or leave a post on our forum and we’ll look into it.

Related Posts:

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2011: year-in-review

Last week's MWKN issue was our second anniversary and, rather than follow the crowd and have annual reviews at the end of the year, we like to do it on our birthday. Not least because of Nokia's habit of breaking big news in the first week of February!

A Quick Look at Extras in Bugzilla
2012-02-06 through 2012-02-12

Following the Meetup in January, local N9 developers are meeting up once again at the Metalab in Vienna. We plan to work a bit more on gotoVienna, have a look at Open Mode flashing and have a look at PR1.2 beta on the N950 as it relates to development. N8x0 and N900 users and developers are of course also welcome :)

gst-av is a GStreamer plug-in to provide support for libav (fork of FFmpeg), it is similar to gst-ffmpeg, but without GStreamer politics, which means all libav plugins are supported, even if there are native GStreamer alternatives; VP8, MP3, Ogg, Vorbis, AAC, etc.

This release takes care of a few corner-cases, and has support for more versions of FFmpeg.

Here are the goods:
http://code.google.com/p/gst-av/downloads/list

And here’s the short-log:

Felipe Contreras (19):
      adec: flush buffer on EOS
      adec: improve timestamp reset
      adec: avoid deprecated av_get_bits_per_sample_fmt()
      adec: avoid FF_API_GET_BITS_PER_SAMPLE_FMT
      vdec: properly initialize input buffer
      parse: add more H.264 parsing checks
      parse: fix H.264 parsing for bitstream format
      get_bits: add show_bits function
      build: set runpath for libav
      vdec: fix potential leaks
      vdec: use libav pts stuff
      vdec: get delayed pictures on eos
      build: trivial improvements
      parse: trivial fix
      h264enc: fix static function
      vdec: add support for old reordered_opaque
      adec: add support for old sample_fmt
      adec: add support for really old bps()
      adec: add support for all MPEG-1 audio

Mark Nauwelaerts (1):
      parse: be less picky regarding some reserved value

We have made more updates to the Developer Library. The updates are as follows:

Remember that the Developer Library is also available for downloading in HTML and as a QCH file, which you can integrate into your Qt SDK.

FOSDEM in 2012 was an exciting (and naturally, exhaustive) conference again. It's great to have so many relevant people who are all active in the free software world together in one place. It's also a great opportunity to discuss radical new ideas, ideally while experimenting with Belgium beer. Which is what we usually did when we weren't at the conference site.

It was nice to see Jarno and Esko at the conference, too. We even stayed in the same hotel. I hope they enjoyed the Ethiopian lunch as much as I did. And perhaps they're not too angry any more that we lead them to drink Absinthe ;-)

Jon and I gave two talks. Jon's talk (slides) was about Maliit as a project, explaining what Maliit is (and what it is not), combined with a short history lesson about the project. I tried to outline the difficulties of mobile text input in general (slides), picking some use-cases that are known from the desktop world and showing why simply copying the use-cases and their known interaction models does not work very well. I honestly liked Jon's talk more though.

Neither of us two actually managed to visit other talks, even though we wanted to. We had to ask Jarno, Esko and others about what great talks we missed. Apparently there were quite a few :-(

Our Maliit T-Shirts were well received, though we usually only handed them out when someone listened to our Maliit ramblings long enough.

We were asked about accessibility several times, which is currently not within the scope of Maliit but perhaps something to think about in the future.

We also got to talk with the people working on (text) input in Redhat and Intel, mostly in the context of Wayland. There are some interesting opportunities to get things (more) right this time around.

Thanks to our employer, Openismus, for sending us there!

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Qt Innovation Challenge winners announced

Winners of the most popular N9 apps have walked away with $10,000 and, in the case of PhoneTorch, $50,000 as part of Nokia's "Qt Innovation Challenge". Participants were invited to enter the competition with: "We are looking for new and innovative content for use on this high-end, Qt-powered smartphone, and in particular we are looking for apps that match the sophisticated style and capabilities of the Nokia N9. This can include apps for entertainment, luxury and fashion, technology, travel and sport – to name a few. At the same time, maybe you will submit an app that makes innovative use of the front-facing camera on the Nokia N9, or takes advantage of features like NFC that are built-in to the phone."

Not wanting to begrude the winners but the competition failed in its aim: to make innovative, mainstream apps for the Qt platform and Nokia N9. The judging was done on number of downloads, rather than any subjective view of "innovativeness". Your editor didn't enter the competition as his in-train apps didn't meet his own definition of "innovation". However, very few of the winners do either.

This is the biggest problem with Harmattan: not the lack of apps (there are plenty), but the lack of innovative, distinctive apps which make you go "oooh".

Read more (qtinnovationchallenge.nokia.com)

In this edition (Download)...