Author Archives: Olle Jonsson

Olle Jonsson

Developer, born in ‘77. Wears glasses and often a smile.

Visited a gamefest: Nordic Game Jam 2007

Copy-party (or less aggressively, and perhaps more descriptively “demo-party”), that was the name of a weekend of mildly Dionysian digital festival here in Northern Europe during the late 80s and the 90s. *Update:* Danish radio DR1’s show Harddisken has Frederik Berg Olsen’s radio programme about NGJ07. FBO had a tape recorder with him, and made [...]
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Rubygems now features ‘Skip this gem’ in installation

Ruby’s code-distribution mechanism Rubygems is being released in a new version real soon, and some small useful features are already in the RCs. Like “Skip this gem”, which makes it possible to skip a single update, but continue with the rest of the set of updates for your gems. Here is a demonstration of just [...]
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Intro to J language

Via Dave, my favorite Dutch-speaking Australian Computer Scientist, I got wind of this fine J programming language introduction, written by our common acquaintance Cratylus. A short text, it goes directly into parsing how J looks, and then a bit about its operators. No speculation, just explanation. Thanks, C! And, Dave: I love the new handle-bars. [tags]jlanguage,programming[/tags]
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Upcoming game developer conference – Nordic Game Jam

My dear L is now working at Diginet Øresund. This event might be of interest to you, dear reader, should you live in the Nordic countries: …Nordic Game Jam ‘07, which is hosted by Diginet Øresund (my new job – I’ll be managing the event). Thought you might be interested. Or maybe you know someone else [...]
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Installing libxml-ruby for libxml2 with Ruby, on OS X

Just had an exciting package management adventure with Ruby and XML on OS X. I wanted Libxml2 wrapped in a Ruby gem. So, I ran sudo gem install libxml-ruby …and watched the software fail to build. Darn OS X not “just being Linux”. After complaining to Christoffer, I was kindly pointed to a MacPort: sudo [...]
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Kiva microlending data point

Jonas says Kiva Works, and his first loan just got paid back. Great! (Previously, I introduced Kiva here at the blog.)
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irb with wirble

Using irb with your Ruby? Yeah, I thought so. If you want syntax coloring, ri inside irb and a shorter prompt, get Wirble: sudo gem install wirble And add an .irbrc file to your home directory, following Wirble’s advice on what to put there. Oh, and when you have one of those, you could add Ben Bleything’s command history [...]
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Swedish: Som jag

“Wired är Kampratposten för såna som du.” sa Joc. Tack!
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My Dashboard widget stopped working

A while ago me and my wife created a simple Dashboard widget that displayed our current amount of bonus accrued at the foodstore “club” we’re in. Since the website was just using a form which accepted member ID and PIN code, and the only thing you could do with the club website was enter see [...]
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BarCamp here, in Copenhagen

On **17 november** at 17:00 [BarCamp Copenhagen](http://barcamp.org/BarCampCopenhagen) begins. What’s that? Let me quote [barcamp.org](http://barcamp.org/): > BarCamp is an “ad-hoc” gathering born from the desire of people to share and learn in an open environment. The activity is very simple: > every person participating has to fill in a slot of 3 minutes for a presentation, idea, or anything [...]
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