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Philip Van Hoof

Visitor for Klartext

2016-05-02 20:06 UTC  by  Philip Van Hoof
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Felt good about explaining my work last time. For no reason. I guess I’m happy, or I no longer feel PGO’s pressure or something. Having to be politically correct all the times, sucks. Making technically and architecturally good solutions is what drives me.

Today I explained the visitor pattern. We want to parse Klartext in such a way that we can present its structure in a editing component. It’s the same component for which I utilized a LRU last week. We want to visualize significant lines like tool changes, but also make cycles foldable like SciTe does with source code and a whole lot of other stuff that I can’t tell you because of teh secretz. Meanwile these files are, especially when generated using cad-cam software, amazingly huge.

Today I had some success with explaining visitor using the Louvre as that what is “visitable” (the AST) and a Japanese guy who wants to collect state (photos) as a visitor of fine arts. Hoping my good-taste solutions (not my words, it’s how Matthias Hasselmann describes my work at Nokia) will once again yield a certain amount of success.

ps. I made sure that all the politically correcting categories are added to this post. So if you’d have filtered away the condescending and controversial posts from my blog, you could have protected yourself from being in total shock now (because I used the sexually tinted word “sucks”, earlier). Guess you didn’t. Those categories have been in place on my blog’s infrastructure since many years. They are like the Körperwelten (Bodyworlds) exhibitions; you don’t have to visit them.

Categories: condescending
Philip Van Hoof

Putting an LRU in your code

2016-04-29 21:30 UTC  by  Philip Van Hoof
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For the ones who didn’t find the LRU in Tracker’s code (and for the ones who where lazy).

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Categories: controversial
Philip Van Hoof

Secretly reusing my own LRU code

2016-04-27 10:55 UTC  by  Philip Van Hoof
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Last week, I secretly reused my own LRU code in the model of the editor of a CNC machine (has truly huge files, needs a statement editor). I rewrote my own code, of course. It’s Qt based, not GLib. Wouldn’t work in original form anyway. But the same principle. Don’t tell Jürg who helped me write that, back then.

Extra points and free beer for people who can find it in Tracker’s code.

Categories: controversial
Philip Van Hoof

Gebruik maken van verbanden tussen metadata

2015-08-01 14:48 UTC  by  Philip Van Hoof
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Ik beweerde onlangs ergens dat een systeem dat verbanden (waar, wanneer, met wie, waarom) in plaats van louter metadata (titel, datum, auteur, enz.) over content verzamelt een oplossing zou kunnen bieden voor het probleem dat gebruikers van digitale media meer en meer zullen hebben; namelijk dat ze teveel materiaal gaan verzameld hebben om er ooit nog eens iets snel genoeg in terug te vinden.

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Categories: controversial
Philip Van Hoof

I added support for changing the nrl:maxCardinality property of an rdfs:Property from one to many. Earlier Martyn Russel reverted such an ontology change as this was a blocker for the Debian packaging by Michael Biebl.

We only support going from one to many. That’s because going from many to one would obviously imply data-loss (a string-list could work with CSV, but an int-list can’t be stored as CSV in a single-value int type – instead of trying to support nonsense I decided to just not do it at all).

More supported ontology changes can be found here.

Not sure if people care but this stuff was made while listening to Infected Mushroom.

Categories: english
Philip Van Hoof

PADI Rescue diver

2014-09-01 16:25 UTC  by  Philip Van Hoof
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For this one I worked really hard. Buddy breading, relaxing people in panic at 20 meters deep, keeping yourself cool. And that in Belgian waters (no visibility and freezing cold). We simulated it all. It was harder than most other things I did in my life.

Categories: Art culture
Philip Van Hoof

Let’s make things better

2014-05-23 16:58 UTC  by  Philip Van Hoof
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Matthew gets that developers need good equipment.

Glade, Scaffolding (DevStudio), Scintilla & GtkSourceView, Devhelp, gnome-build and Anjuta also got it earlier.

I think with GNOME’s focus on this and a bit less on woman outreach programs; this year we could make a difference.

Luckily our code is that good that it can be reused for what is relevant today.

It’s all about what we focus on.

Can we please now go back at making software?

ps. I’ve been diving in Croatia. Trogir. It was fantastic. I have some new reserves in my mental system.

ps. Although we’re very different I have a lot of respect for your point of view, Matthew.

 

Categories: condescending
Philip Van Hoof

While Nemo Mobile OS doesn’t ship with udisks2 nor with the GLib/GIO GVfs2 modules that interact with it, we still wanted removable volume management working with the file indexer.

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Categories: english
Philip Van Hoof

FOSDEM presentation about Metadata Tracker

2014-01-24 11:12 UTC  by  Philip Van Hoof
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I will be doing a presentation about Tracker at FOSDEM this year.

Metadata Tracker is now being used not only on GNOME, the N900 and N9, but is also being used on the Jolla Phone. On top a software developer for several car brands, Pelagicore, claims to be using it with custom made ontologies; SerNet told us they are integrating Tracker for use as search engine backend for Apple OS X SMB clients and last year Tracker integration with Netatalk was done by NetAFP. Other hardware companies have approached the team about integrating the software with their products. In this presentation I’d like to highlight the difficulties those companies encountered and how the project deals with them, dependencies to get a minimal system up and running cleanly, recent things the upstream team is working on and I’d like to propose some future ideas.

Link on fosdem.org

Categories: english
Philip Van Hoof

Dear Mark,

Your team and you yourself are working on the Jolla Phone. I’m sure that you guys are doing a great job and although I think you’ve been generating hype and vaporware until we can actually buy the damn thing, I entrust you with leading them.

As their leader you should, I would like to, allow them to provide us with all of the device’s source code and build environments of their projects so that we can have the exact same binaries. With exactly the same I mean that it should be possible to use MD5 checksums. I’m sure you know what that means and you and I know that your team knows how to provide geeks like me with this. I worked with some of them together during Nokia’s Harmattan and Fremantle and we both know that you can easily identify who can make this happen.

The reason why is simple: I want Europe to develop a secure phone similar to how, among other open source projects, the Linux kernel can be trusted. By peer review of the source code.

Kind regards,

A former Harmattan developer who worked on a component of the Nokia N9 that stores the vast majority of user’s privacy.

ps. I also think that you should reunite Europe’s finest software developers and secure the funds to make this workable. But that’s another discussion which I’m eager to help you with.

Categories: controversial
Philip Van Hoof

Why do you need Tracker?

2013-07-05 23:11 UTC  by  Philip Van Hoof
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(Or why our project’s name wasn’t wrong after all)

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Categories: condescending
Philip Van Hoof

A use-case for SPARQL and Nepomuk

2013-06-24 21:23 UTC  by  Philip Van Hoof
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As I got contacted by two different companies last few days who both had questions about integrating Tracker into their device, I started thinking that perhaps I should illustrate what Tracker can already do today.

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Categories: english