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Month: April 2011

Links for 2011-04-29

  • Online censorship now bordering on the ridiculous in Turkey – Reporters Without Borders : ‘access to websites containing words on the list would in theory be suspended and it would be impossible to create new ones containing them. However, it is not clear how and to what extent the directive will be implemented in practice. The TIB could decide to suppress or block pages for just one blacklisted word. … The list, which borders on the ridiculous, includes words such as “etek” (skirt), “baldiz” (sister-in-law) and “hayvan” (animals). It poses serious problems for access to online information. If words such as “free” and “pic” are censored, countless references to freedom and everyday photos will be eliminated from the Turkish Internet.’ Incredible (via Danny)
    (tags: via:mala repression internet turkey censorship filtering false-positives)

Links for 2011-04-27

Links for 2011-04-25

Links for 2011-04-21

Links for 2011-04-20

  • demerphq on “perl’s regexps are slow” : His classic response to the Russ Cox DFA-over-NFA regular expressions paper. ‘A general purpose regex engine like that required for perl has to be able to do a lot, and has to balance considerations ranging from memory footprint of a compiled object, construction time, flexibility, rich feature-sets, the ability to accomodate huge character sets, and of course most importantly matching performance. And it turns out that while DFA engines have a very good worst case match time, they dont actually have too many other redeeming features. Construction can be extremely slow, the memory footprint vast, all kinds of trickery is involved to do unicode or capturing properly and they aren’t suitable for patterns with backreferences.’ — Also interesting to note that he mentions an approach I’ve used in several SpamAssassin speedup add-ons, too ;)
    (tags: performance perl regular-expressions perlmonks demerphq regexps dfa nfa state-machines)

temporary Hackerspace at MindField

This sounds very cool! Nice one, hackerspace ppl.

Ireland’s Hackerspaces and Makerspaces (091 Labs – Galway, Belfast Hackerspace, MilkLabs – Limerick, Nexus Cork and TOG – Dublin) have been asked to build and man a temporary hackerspace during the MindField – International Festival of Ideas (http://www.mindfield.ie/). MindField will take place over the weekend of 29 April – 1 May in Merrion Square.

During MindField our temporary hackerspace will provide a range of events where festival participants can learn about diybio, 3D printing, basic electronics and micro controllers, electronic fashion/crafting and open data. These events are included in the festival schedule (http://mindfield.ie/festival-schedul/).

In parallel with these events we have an opportunity run a Hardware Hacking Challenge. In this challenge we will try to engage a group of willing hacker, makers and festival participants in the challenge to create or construct interesting or innovative projects out of recycled hardware. We are trying to source interesting materials, electronic devices or equipment that can be used to based projects off or as sources of components.

We are particularly interested in devices that contain various types of transducers which can then be hooked up to micro controllers and computers. We’re not looking for normal computer equipment or servers we’ve got lots of that, but more unusual stuff that people have lying around.

If you think you’ve got something they might like, contact Robert Fitzsimons.

Links for 2011-04-20

Links for 2011-04-19

Links for 2011-04-19