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Flying with Machine Guns?
Dynamics of shooting machine guns downwards, and the actual forces, velocities and heights that could be achieved. Modeled with Wolfram SystemModeler.
New
The latest blog posts to take off on Hacker News. 3,400 posts.
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The Infamous Windows “Hello World” Program
A recent blog post by consultant John Cook reminded everybody about the infamous “Hello World” programs in the early chapters of the first five editions of Programming Windows:
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The Offline Cookbook: caching and serving offline-first
Update: Together with Udacity I created a free offline-first interactive course . It involves taking an online-only site to full offline-first glory. Many of the patterns in this article are used.
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Popular Myths about C++, Part 1
[For your winter reading pleasure, we're pleased to present this three-part series of new material by Bjarne Stroustrup. This is part one; parts two and three will be posted on the following two Mondays, which will complete the series just in time for Christmas. Enjoy. -- Ed.]
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Lazy Expert Syndrome
We all eventually suffer from "lazy expert syndrome." The best way to snap out of it and grow is to mentor someone new to your field.
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Illinois General Assembly passes bill to ban citizens from recording police
The Illinois General Assembly just passed a bill that would prevent citizens from recording the police.
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MIT indefinitely removes online physics lectures and courses by Walter Lewin
MIT is indefinitely removing retired physics faculty member Walter Lewin’s online lectures from MIT OpenCourseWare and online MITx courses from edX, the online learning platform co-founded by MIT, following a determination that Dr. Lewin engaged in online sexual harassment in violation of MIT policies.
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The failed economics of our software commons and what to do about it
Progress in the software industry has been crushed under the weight of technical debt accumulated over the last 40 years. The tools, languages, libraries, and platforms we all rely on suffer from massive incidental complexities responsible for billions of dollars in wasted productivity. Anyone who spends any amount of…
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Android Studio 1.0
News and insights on the Android platform, developer tools, and events.
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Yik Yak Hack
Yik Yak is an anonymous, controversial social media application that allows people to make posts that are visible to other users within ~2 miles. Often landing a top 10 spot in the iOS App Store, this app has become increasingly popular with high school and college students. Due to the anonymous nature of the app…
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At Apple’s request, we removed the ability to “Send” files to other services
UPDATE 12/11/14: After a considerate conversation with Apple, Transmit iOS 1.1.2 has been released with restored “Send To” functionality.
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Transcriptic for YC biotech startups
Reducing cost and cycle time as much as possible is one of the highest-leverage things anyone can do to help startups. A few years ago, we rolled out deals with Amazon, Heroku, Microsoft, and Rackspace to make web hosting available for free to the startups we fund. As we expand into new areas, we’ll put similar…
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Parable of the Polygons – a playable post on the shape of society
A playable post on how harmless choices can make a harmful world.
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Interface Upgrades in Go
Much has been written about Go’s interfaces . They’re one of the language features I like best, providing a very pragmatic trade-off between the complexity of more powerful type systems and the anarchy of duck typing. If you’re not already familiar with Go or Go’s interfaces, I’d encourage you to read an introduction…
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A cautionary tale about subscription services and how not to shut down a startup
As you think about holiday gifts this season, I’d like to warn you about the subscription service Whimseybox. This is also a cautionary…
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You can't dig upwards
When I first learned to drive a car, shortly after turning 15, my mother insisted that I learn on my father’s Mazda Miata: a silver, two-door convertible with a soft-top roof.
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Reimplementing “git clone” in Haskell from the bottom up (2013)
In order to give some structure to my ongoing investigation of git’s data structures, protocols and implementation I decided to re-implement git clone without using any of git’s plumbing commands or any of the existing git libraries. Along the way I tried to keep some implementation notes that should help to…
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ImageMagick, four point perspective distortion in a video
Step 1) Download the video from Youtube using JDownloader . The best one was the original Japanese upload, The Game Awards 2014 å‡ºå±•æ˜ åƒ ã‚¼ãƒ«ãƒ€ã®ä¼èª¬ 最新作 , which is 720p. I saved this file as zelda_720p.mp4.