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Our Generation Ships Will Sink (2015)

Hacker News

In this exclusive feature essay, Robinson explains the technology behind the best science fiction novel of 2015.

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Ask for Advice, Not Permission (2015)

Hacker News

The world is full of gatekeepers who think they have veto rights. Don’t believe them. Pitbull got it right when he said "Ask for money, get advice. Ask for advice, get money twice."

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The impact of non-participation on results from PISA 2015

Hacker News

Our analysis illustrates how the PISA 2015 sample for Canada only covers around half of the 15-year-old population, compared to over 90% in countries like Finland, Estonia, Japan and South Korea.

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Spot the Drowning Child (2015)

Hacker News

Can you spot the drowning child in this crowded wave pool? An interactive public service announcement. To the untrained eye, drowning can look just like swimming. The Instinctive Drowning Response is frequently missed, even by people nearby.

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The Immortal Jellyfish (2015)

Hacker News

Thje tiny jellyfish Turritopsis dohrnii actually reverts to a previous stage of development - becoming a polyp - after experiencing damage or starvation.

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Route Planning in Transportation Networks (2015)

Hacker News

We survey recent advances in algorithms for route planning in transportation networks. For road networks, we show that one can compute driving directions in milliseconds or less even at continental scale. A variety of techniques provide different trade-offs between preprocessing effort, space requirements, and query time.

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Incremental Garbage Collection in Ruby 2.2 (2015)

Hacker News

This article introduces incremental garbage collection (GC) which has been introduced in Ruby 2.2. We call this algorithm RincGC. RincGC achieves short.

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