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Making a brain for my model plane
I am making a brain for my model plane so that it can fly by itself. I could have bought an off-the-shelf kit but I wanted to build it myself to understand how everything works from the ground up.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,981 posts.
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Organic Lawn Care For the Cheap and Lazy
Lawn care simplified. Have the best looking lawn on your block with less mowing, less watering and less money. The cheapest lawn care AND the laziest lawn care.
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409A as a Service: Cash Cows Get Slaughtered
Background: 409A is a set of tax rules passed, in part, to stop companies from avoiding taxes through issuing underpriced (cheap) equity as compensation. While well-intentioned, it spawned a cottage industry of third-party valuation firms/i-bankers who charge companies, including startups, thousands (sometimes…
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Why are roller coaster loops not circular?
Why are the loops on roller coasters never circular?
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HFT in My Backyard
INTRO As soon as the summer sun returns to Belgium, there is a natural human migration from Francophone Wallonia to the west coast sea in the Flemish part of the country. Here, à la mer du Nord, pe…
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Are we at Peak Google?
Despite the hype about disruption, the truth is most tech giants, particularly platform providers, are not so much displaced as they are eclipsed. IBM, for example, has been successfully selling an…
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Revenge of the Types
Some notes about what appears to be current trend of programming languages and my thoughts about it.
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A Diablo 3 Story
TLDR: I made about 100 000 euro from Diablo 3 in exactly 1 year. Below I will tell you in great detail how. I want to dedicate thi...
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How I created two images with the same MD5 hash
I posted the following images the other day which although looking totally different have exactly the same MD5 hash ( e06723d4961a0a3f950e...
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The Scroll Up Bar
A design pattern that is currently growing more popular is the fixed position bar at the top of the page. Sometimes the bar stays the same throughout, sometimes the header morphs into a slimmer bar as you scroll down, sometimes a completely new bar appears.
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Why composition is often better than inheritance
An important question in code structure is whether to make classes work together through composition or inheritance. The "has a" relationshi...
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From Gongkai to Open Source
About a year and a half ago, I wrote about a $12 “Gongkai” cell phone (pictured above) that I stumbled across in the markets of Shenzhen, China. My most striking impression was that Chinese entrepreneurs had relatively unfettered access to cutting-edge technology, enabling start-ups to innovate while bootstrapping…
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Satoshi's Hashrate
"Bitcoin mining pool, network and exchange analysis"
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Why Samsung Knox Isn't Really a Fort Knox
UPDATE #2: Apparently Samsung said in their press release that user should try out My Knox, as Knox Personal is deprecated. I just tried t...
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German freemail sites trick Firefox and Chrome users into removing AdBlock
German freemail heavyweights web.de and gmx.net (several millions of users combined) are using deceptive techniques in order to manipulate Firefox and Chrome users into removing AdBlock and its var…
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How printers and Photoshop detect and refuse to process images of currency
Professor Steven J. Murdoch
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Icdiff: side-by-side command line diffs
Your terminal can display color, but most diff tools don't make good use of it. By highlighting changes, icdiff can show you the differences between similar files without getting in the way. This is especially helpful for identifying and understanding small changes within existing lines.
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Chrome's experiment of hiding the URL is great for security
iOS has hidden the pathname of URLs for some time now, but recently Chrome Canary introduced something similar behind a flag.
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Only Apple
The same maestro who was able to coordinate the procurement, assembly, production, and shipment of 76 million all-new iPhones and iPads in one quarter has brought those operational instincts and unquenchable thirst for efficiency to coordinating a Cupertino that can produce major new releases of both iOS and OS X…
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