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Make your lookup table do more

Lookup tables are powerful micro-optimization tools, because they implement arbitrary transformations in cheap constant time. And yet we often do not use them to their full potential. This post is the story of one example. A good starting point In a recent blog post, Daniel Lemire rediscovered a tec...

Click to view the original at commaok.xyz

Hasnain says:

“Open collaboration can be delightful, with thoughtful people. Three people’s combined insights and refinements broke new ground (I believe) on an old question. I'm not sure any of us would have gotten there alone.

This is an existence proof that there are websites on the internet where it’s worth reading the comments.”

Posted on 2021-06-04T19:42:46+0000

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Hasnain says:

Not going to leave the detail in for fear of spoilers but this had quite the twist.

“In his defense, perhaps the meeting may have gone differently had I not been given a low-key Australian introduction. That's an Australian cultural problem (tall poppy syndrome). To an Australian, introductions in the US can sound boastful, but they can also be useful as a quick way to share one's specialties.”

Posted on 2021-06-04T06:28:26+0000

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The Lab-Leak Theory: Inside the Fight to Uncover COVID-19’s Origins

Throughout 2020, the notion that the novel coronavirus leaked from a lab was off-limits. Those who dared to push for transparency say toxic politics and hidden agendas kept us in the dark.

Click to view the original at vanityfair.com

Hasnain says:

Very well researched and in depth article on the new hype re: origins of COVID. In contrast to the other article I just shared; this also goes into a lot of politics within the US and elsewhere regarding the investigation, while also detailing the history and science.

“China obviously bears responsibility for stonewalling investigators. Whether it did so out of sheer authoritarian habit or because it had a lab leak to hide is, and may always be, unknown.

The United States deserves a healthy share of blame as well. Thanks to their unprecedented track record of mendacity and race-baiting, Trump and his allies had less than zero credibility. And the practice of funding risky research via cutouts like EcoHealth Alliance enmeshed leading virologists in conflicts of interest at the exact moment their expertise was most desperately needed.”

Posted on 2021-06-04T06:20:48+0000

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Exclusive: How amateur sleuths broke the Wuhan Lab story and embarrassed the media

The people responsible for bringing the Wuhan lab-leak story to light are not journalists or spies or scientists. They are a group of amateur sleuths, with few resources except curiosity and a willingness to spend days combing the internet for clues.

Click to view the original at newsweek.com

Hasnain says:

This was very engaging. I don’t think we will ever have a definitive answer to what happened here; but this shows the power of internet sleuthing and how narratives change over time. And it goes into some COVID history.

“But it's now clear that the question of whether a biolab could have caused this pandemic—and could cause the next—is going to be explored in a way that might never have happened if a radical and decentralized group of outsiders hadn't challenged the status quo.

That's a lesson The Seeker won't soon forget. "I no longer see science as an exclusive domain," he wrote to Newsweek. "Everyone can make a difference."”

Posted on 2021-06-04T05:53:03+0000

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What Happens When Mental-Health Issues Get in the Way of Work

Naomi Osaka’s withdrawal from the French Open is a public example of a private issue facing many companies.

Click to view the original at wsj.com

Hasnain says:

Title gore aside, this wasn’t too bad a piece at trying to raise awareness for important issues.

“Data show a gap between how well employers think they are supporting employees and how supported those employees feel. A survey by McKinsey & Co. published earlier this year found that 65% of employers say employee mental health is supported well or very well; 51% of employee respondents agreed.

Survey research also indicates that younger workers are more likely than older colleagues to report mental-health struggles. According to data from the Centers for Disease Control and Prevention and the U.S. Census Bureau, rates of people between 18 and 29 years old reporting symptoms of anxiety or depressive disorders rose from 49% to 57% in surveys conducted between August 2020 and February this year. By contrast, those figures for respondents in their 50s were 35% and 41%, respectively.”

Posted on 2021-06-04T04:51:29+0000

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Why Bill Gates and John Kerry are wrong about climate change - Bulletin of the Atomic Scientists

Despite what Bill Gates has to say—let alone climate czar John Kerry, who should have known better—we don’t have to rely on a miracle coming out of nowhere to deal with climate change. We already have all the technologies we need, here and now—and these tools will only get a lot better and c...

Click to view the original at thebulletin.org

Hasnain says:

Motivating

“Of course, none of this is easy. Nurturing the full flowering of these innovations and speeding their deployment will require immense political will, big investments, and a whole passel of supportive policies. But we should have the imagination and faith to understand that climate change is one problem that we can solve.

There’s no Gates-ian fairy tale, no Franzen-like acceptance of disaster, and no awaiting the invention of some Kerry-like miracle technologies.

As physicist Ray Pierrehumbert once wrote in these pages about renewable technology, “It is time to stop quivering in our boots in pointless fear of the future and just roll up our sleeves and build it.””

Posted on 2021-06-03T19:27:05+0000

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LinkedIn to start paying ERG leaders $10,000 a year

Employee affinity groups are often run on a volunteer basis to foster workplace diversity and inclusion.

Click to view the original at axios.com

Hasnain says:

“LinkedIn says it realizes there is "no price on the emotional labor and investment of time" ERGs contribute and that $10,000 is a start, in addition to a formal systematized recognition plan.”

Posted on 2021-06-03T18:36:28+0000

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“I Know The Power A Young Girl Carries In Her Heart”: The Extraordinary Life Of Malala

Now an Oxford graduate and at a crossroads in her own life, the 23-year-old opens up to Sirin Kale about love, family and the world she left behind, as well as her ambitious new plans for broadcasting her message

Click to view the original at vogue.co.uk

Hasnain says:

Wait, *this* was the thing all the Pakistanis used as ammo for their latest anti-Malala activism? Sigh.

“After a life of extraordinary resilience, it seems all the options are finally on the table for her. “You have to find a future for yourself,” she says, smiling. If anyone knows how to do that, it’s Malala.”

Posted on 2021-06-03T18:30:08+0000

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Donating My Time to Grow a VC-Funded Company: Why I Quit Mentoring at Plato

tl;dr Nonprofit/pro bono organizations I suggest for offering mentoring/seeking mentorship: Mentoring Club (experienced mentors, EU focus), Coding Coach (aimed at software engineers), Mentors in Tech (mentorship for community college students in the US wanting to break into tech), Meet a Mentor (UK....

Click to view the original at blog.pragmaticengineer.com

Hasnain says:

Whew. Another word for this would be “a scam” :|

“Their business model is ingenious: a marketplace with a 100% take rate. They are one of the very few two-sided marketplace who managed to pull off: all money goes to the middleman, and none to the suppliers creating the value of the marketplace. The other notable example is Elsevier or Springer in the academic publishing space who charge high fees to access to papers whose authors and reviewers they pay nothing. For comparison, Uber has a take rate of 15-25%; Cameo sits with 25%, and YouTube at 45%.”

Posted on 2021-06-03T07:01:36+0000

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Stimulus Checks Substantially Reduced Hardship, Study Shows

Researchers found that sharp declines in food shortages, financial instability and anxiety coincided with the two most recent rounds of payments.

Click to view the original at nytimes.com

Hasnain says:

The tweet I saw this linked from sums this up:

“*** After $1,400 stimulus checks:

-- 42% decline in food shortages
-- 43% decline in gauge of financial instability
-- +20% decline in anxiety & depression”

Posted on 2021-06-03T03:44:35+0000