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How setting the TZ environment variable avoids thousands of system calls
In this article, you can find how setting the TZ environment variable can prevent thousands of system calls.
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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A Minimalist Guide to SQLite
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Is Every Speed Limit Too Low?
Americans nearly universally speed, and excess speed is a factor in many accidents. But what if higher speed limits made roads safer?
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You are not 'behind'
Have you ever felt like you were behind? I used to feel that way. I would read articles about a 26-year-old entrepreneur with a billion-dollar company or a 16-year-old kid who invented a new kind o…
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Summer Reading List
The Man Who Knew: The Life and Times of Alan Greenspan [https://www.amazon.com/Man-Who-Knew-Times-Greenspan/dp/0143111094] [https://www.amazon.com/Man-Who-Knew-Times-Greenspan/dp/0143111094] “I thought Greenspan was bad but this book paints a positive image. Seb Mallaby is an awesome author so makes for an easy read.”…
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McDonald's Real Estate: How They Really Make Their Money (2015)
McDonald’s is one of the biggest real estate companies in the world. It owns $28.4 billion worth of land and buildings (before depreciation).
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What happens when you swipe a credit card
Ninety percent of Americans have used a credit card, but far fewer understand the underlying systems enabling their payments. So let’s dive…
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Facebook is terrifying
Facebook is terrifying Remember that last time you posted a picture on Facebook and it automatically suggested to tag other people on the photo? Nothing unusual. You’ve tagged these people before …
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PostmarketOS: Aiming for a 10 year life-cycle for smartphones
Introduction post to postmarketOS , a touch-optimized, pre-configured Alpine Linux with own packages, that can be installed on smartphones. (Not usable for most people yet!)
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How Chrome OS, Termux, YubiKey and Duo Mobile make for great usable security
How Chrome OS, Termux, YubiKey & Duo Mobile make for great usable security. A travel Chromebook for modern development, online and offline.
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Lego Macintosh Classic with e‑paper display
*tl;dr: I built a Wi-Fi enabled LEGO Macintosh Classic running Docker on a Raspberry Pi Zero with an e‑paper display. Docker deployments via resin.io. photos
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Bitcoin – Potential Network Disruption on July 31st
Last updated: 2017/07/21 12:00 UTC . This page will be updated when new information becomes available. See the list of updates .
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Malicious Subtitles Threaten Kodi, VLC and Popcorn Time Users
Check Point researchers revealed a new attack vector which threatens millions of users worldwide – attack by subtitles. By crafting malicious subtitle %
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HTTP is obsolete. It's time for the Distributed Web (2015)
Early this year, the Internet Archive put out a call for a distributed web . We heard them loud and clear.
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Chrome Won
Disclaimer: I worked for 7 years at Mozilla and was Mozilla’s Chief Technology Officer before leaving 2 years ago to found an embedded AI startup. Mozilla published a blog post two days ago h…
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iOS 11 Horror Story: The Rise and Fall of iOS Security
We loved what Apple used to do about security. During the past years, the company managed to build a complete, multi-layer system to secure its hardware and sof
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WaveNet launches in the Google Assistant
Just over a year ago we presented WaveNet, a new deep neural network for generating raw audio waveforms that is capable of producing better and more realistic-sounding speech than existing techniques. At that time, the model was a research prototype and was too computationally intensive to work in consumer products.
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Falling through the KRACKs
The big news in crypto today is the KRACK attack on WPA2 protected WiFi networks. Discovered by Mathy Vanhoef and Frank Piessens at KU Leuven, KRACK (Key Reinstallation Attack) leverages a vulnerab…
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Examining a vintage RAM chip, I find a counterfeit with a different die inside
A die photo of a vintage 64-bit TTL RAM chip came up on Twitter recently, but the more I examined the photo the more puzzled I became. The c...
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What I Heard from Trump Supporters
After the election, I decided to talk to 100 Trump voters from around the country. I went to the middle of the country, the middle of the state, and talked to many online. This was a...
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Getting Past C
One of the medium-term possibilities we’re seriously considering forNTPsec is moving the entire codebase out of C into a language with nobuffer overrun...
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Tmux and Vim – better together
There are numerous benefits of using tmux. The benefits I discussed there are independent of one’s choice of text editor. But if you’re a vim user, the benefits of tmux reach even further. One of the best aspects of tmux is that it unlocks the potential for a more powerful vim-based development environment, allowing…
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