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Smallpt: Global Illumination in 99 lines of C++
smallpt is a global illumination renderer. It is 99 lines of C++, is open source, and renders the above scene using unbiased Monte Carlo path tracing (click for full size) .
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,763 posts.
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Improvements to the Xerox Alto Mandelbrot drop runtime from 1 hour to 9 minutes
Last week I wrote a Mandelbrot set program for the Xerox Alto, which took an hour to generate the fractal. The point of this project was to...
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Communicating Advanced Mathematics to Kids
I’ve often thought that we could do a lot better job of explaining “advanced” mathematics concepts in simple language for the benefit of a wider audience. As a student, I never liked being told, “We’ll explain that to you next year.” As a teacher, I’ve always wanted be able to give real answers to students’…
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Help EFF Track the Progress of AI and Machine Learning
The field of machine learning and artificial intelligence is making rapid progress. Many people are starting to ask what a world with intelligent computers will look like. But what is the ratio of hype to real progress? What kinds of problems have been well solved by current machine learning techniques, which ones are…
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Our Approach to Privacy
Apple products, including Apple Intelligence, are designed to protect your privacy, because privacy is a fundamental human right.
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Stack Overflow Salary Calculator
Today, we launched the Stack Overflow Salary Calculator , a tool that allows developers and employers to find typical salaries based on experience level, location, specific technologies, and education. We did this because we believe developers should be empowered with more information around job searches, careers, and…
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Assume positive intent
Chris could have become my worst nightmare.
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Change at Buffer: The Next Phase, and Why Our Co-Founder and CTO Are Moving On
We're looking to the future without 2 meaningful leaders and teammates. But we're excited for our vision and the journey ahead. Here's what's next.
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‘Abusing’ the C switch statement – beauty is in the eye of the beholder
The C Language Before we start, let’s get something straight; for over 30 years now I have had a love-hate relationship with the C programming language. The ‘engineer’ in me[1] sometimes just cannot believe we are still using C as the dominant embedded programming languages after all these years, and yet, I also see…
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What do the best interviewers have in common?
What do the best technical interviewers have in common? We looked at thousands of real interviews to find out the answer to this important question.
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Mathematicians becoming data scientists
I was talking the other day with a former student at UW, Sarah Rich, who’s done degrees in both math and CS and then went off to Twitter. I asked her: so what would you say to a math Ph.D. …
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Comcast-Owned Vox Runs Commercial for Comcast’s $500M Snapchat Investment
Vox, effectively a Comcast subsidiary, writes a glowing explainer on why Comcast’s $500 million investment is solid and has huge upside, on the same day as the investment.
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Reviving the Apple 410 Color Plotter
After seeing some of the jaw-dropping and inspiring plotter art that's been popping up on #plottertwitter this year, I decided to get in on the fun. We don't
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Open Philanthropy Project awards a grant of $30M to OpenAI
Coefficient has directed over $7 billion in grants since 2014. Our mission is to help others as much as we can with the resources available to us.
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Offline-Friendly Forms
Forms on the web don't usually play nice with bad connections. If you try to submit a form while offline, you'll most likely just lose your input. Here's how we might fix that.
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Caffe2: Open Source Cross-Platform Machine Learning Tools
Training and deploying AI models is often associated with massive data centers or super computers, with good reason. The ability to continually process, create, and improve models from all kinds of information: images, video, text, and voice, at massive scale, is no small computing feat. Deploying these models on…
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IBM scientists demonstrate 10x faster large-scale machine learning using GPUs
The IBM Research blog is the home for stories told by the researchers, scientists, and engineers inventing What’s Next in science and technology.
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Taking Children Seriously
Read Elliot Temple's essay about Taking Children Seriously.
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How we made compiler warnings fatal in Firefox
Compiler warnings are mostly good: they identify real problems, and when false positives do occur they are usually easy to work around. However, if they’re not fatal, they tend to be ignored and build up. (See bug 187528 for an idea!)
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A bug in GCC that may cause memory leaks in valid C++ programs
This post is to inform you about a bug in GCC that may cause memory (or other resource) leaks in your valid C++ programs.
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VMware joins Linux Foundation: what about the GPL?
As we can read in recent news, VMware has become a gold member of the Linux foundation. That causes - to say the least - very mixed feelings to me. One thing to keep in mind: The Linux Foundation is
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Run your own OAuth2 server
Run a free OAuth2 Server and OpenID Connect (OIDC) server using open source software in under 10 minutes, and become an OAuth2 provider like Google.