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Jeroen Wiert Pluimers
Works at BeSharp.net
Attended Leiden University
Lives in Amsterdam
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Jeroen Wiert Pluimers

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When you sell bulk online storage cheap, how do you deal with a sudden increase in hard drive failure rates?
In August 2011 flooding in Thailand dramatically reduced supply of hard drives, and prices went up. Backblaze's business is unlimited write-mostly storage for $5/month, and they saved a million dollars by buying and shucking external hard drives instead of buying internal drives. But over the next year or so drives bought in this period showed shockingly high failure rates. Here's what they did, and what they found.
(For more recent 4TB drives, they note that things are looking a great deal better. Also note "nearly every manufacturer reduced the warranty on their drives during the crisis with consumer drives like the Seagate model ST3000DM001 being reduced from 3 years to 1 year")
Beginning in January 2012, Backblaze deployed 4,829 Seagate 3TB hard drives, model ST3000DM001, into Backblaze Storage Pods. In our experience, 80% of the hard drives we deploy will function at least 4 years. As of March 31, 2015, just 10% of the Seagate 3TB drives deployed in 2012 are still in service. This is the....
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Jeroen Wiert Pluimers

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Marktplaats zonder topadvertenties – Chrome Web Store.
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IRC so: Why would you name your dev env "development" and not "dev"?

s> Fucking BINPRM_BUF_SIZE
s> Something worked in "dev" but not "staging" because "staging" is longer than "dev" and pushed a virtualenv shebang line over the 127char limit

o> could have been worse: "production" is longer than "staging"...
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The end of an era. Debian removes the SPARC bits and bytes. +Wolfgang Stief will be a bit sad :-( https://lists.debian.org/debian-devel-announce/2015/07/msg00006.html
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100 years of web design or "But what if after software eats the world, it turns the world to shit?" A talk by Maciej Cegłowski
Designers! I am a San Francisco computer programmer, but I come in peace! I would like to start with a parable about airplanes. In 1981, my mother and I flew from Warsaw to New York City in this airplane, an Ilyushin-62. The Il-62 exemplifies a Soviet design approach I like to think of as "add ...
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Good news for all Apache users: HTTP/2 support is now in trunk!

source: https://twitter.com/jimjag/status/615905238688641024
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Jeroen Wiert Pluimers

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How to stop Windows 10's prying eyes

Handy :D

http://www.polygon.com/2015/7/31/9075531/windows-10-privacy-how-to
Windows 10 is here, and Microsoft's latest operating system is designed for a mobile-first, cloud-first future, as CEO Satya Nadella puts it. But that future relies on big data — your data — and by...
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This week, the world-beating "Sargon" chess software by  Kathe and Dan Spracklen, seen here working with an Apple II in-circuit emulator. They started in 1977 with a Z80-based Wavemate[1] computer, winning a tournament the following year[2], writing two detailed articles for BYTE[3][4] and selling program listings for $15. Soon they found the 6502 a better fit for their purposes: "...it fell to us to translate it to a 6502. And when we did that, we were quite amazed."
...
Kathe's brother ported the original Sargon to Apple II and by 1979 a later version was running on a 2MHz 6502 in a consumer chess machine.[5] (2k RAM, 8k ROM)

The Spracklens had a good run at chess world championships, using the Z80 and 6502 and later the 68000, dual 68000 and SPARC. They found a 1MHz 6502 faster than a 2MHz Z80, being particularly impressed with the short and fast branch instructions. More quotes at
https://chessprogramming.wikispaces.com/6502#Quotes

In their oral history at [6] there's a nice story about a month-long visit by AI expert Donald Michie, whereby they tried to bootstrap a chess program using what we'd now call big data methods.  It played brilliantly - like a brilliant seven-year-old.  It liked to sacrifice its queen, and they realised that's because the Grandmaster games they'd trained it on would include a queen sacrifice only as a brilliant move. Read it here:
https://chessprogramming.wikispaces.com/Kathe+Spracklen#Donald Michie

Other 6502 machines running at 16, 18 or even 20MHz have competed in world championships (overclocking in championships seems normal):
https://chessprogramming.wikispaces.com/USOCCC+1987
http://old.csvn.nl/comps1978.html

Back on the ground level, see
http://www.chesscomputeruk.com/html/chess_computers_-_the_uk_story.html
for Martin Bryant’s White Knight and later Colossus programs, developed on Apple II but sold for BBC micro and C64, then Atari and Electron.[7] Nearby we find a collection of computer chess articles from the period:
http://www.chesscomputeruk.com/html/publication_archive.html

For more on 6502 chess, see some of our previous posts:
https://plus.google.com/108984290462000253857/posts/TGtG4v81Bfw
https://plus.google.com/108984290462000253857/posts/4ayN7Mr4J1L
https://plus.google.com/u/0/108984290462000253857/posts/LMRa3Xsrjzy

Have you been beaten every time by computer chess? Or do you have the skill to win? 

[1] http://www.computermuseum.li/Testpage/JupiterII-1975.htm
[2] https://chessprogramming.wikispaces.com/Sargon
[3] https://archive.org/stream/byte-magazine-1978-10/1978_10_BYTE_03-10_Chess_for_the_Microcomputer#page/n87/mode/2up
[4] https://archive.org/stream/byte-magazine-1978-11/1978_11_BYTE_03-11_The_Sky_is_the_Limit#page/n17/mode/2up
[5] http://www.schach-computer.info/wiki/index.php/Chafitz_Sargon_2.5
[6] http://archive.computerhistory.org/projects/chess/related_materials/oral-history/spacklen.oral_history.2005.102630821/spracklen.oral_history_transcript.2005.102630821.pdf
[7] https://en.wikipedia.org/wiki/Colossus_Chess
Fidelity Electronics (Fidelity International Inc.), was an American hearing-aid manufacturing company, founded in 1959, and in March 1970 purchased by Sidney and Myron Samole . Among its other cutting-edge technology, Fidelity Electronics produced high-tech, bio-medical products, ...
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Kill millions of Apple Android devices with one MMS. Apple Google couldn't say if its flagship device iPhone 6 Nexus 6 has been patched already. #boycottapple ah. Whatever. http://www.forbes.com/sites/thomasbrewster/2015/07/27/android-text-attacks/

"All the bugs have been provided CVE numbers, used to record and identify vulnerabilities. They include: CVE-2015-1538, CVE-2015-1539, CVE-2015-3824, CVE-2015-3826, CVE-2015-3827, CVE-2015-3828, CVE-2015-3829. When the disclosure lands today, security professionals and malicious hackers alike will have enough information to get cracking on exploits. Manufacturers have been urged to make haste in addressing the issues."
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If it does not prevent installing #OpenWRT, it should make it more difficult for new devices.
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»Sysadmin as an art form« Tumblr of the day: The art of monitoring
monitoring graphs have a tendency to look really cool — we just don't always get a chance to notice...
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» Historically, INTERCAL has not been widely used at Google, or anywhere else. Recent events, however, have made it expedient to put together a style guide for INTERCAL programming (in much the same way that building a wall with bags of sand when the levee breaks is expedient).«

Ich will es gar nicht wissen. Ich frag nicht. Nein, gar nicht.

»When to use INTERCAL

Only if you absolutely have to! Good grief, has it really come to this?«

Oh.
Mein.
Gott.
Google INTERCAL Style Guide. Introduction. Historically, INTERCAL has not been widely used at Google, or anywhere else. Recent events, however, have made it expedient to put together a style guide for INTERCAL programming (in much the same way that building a wall with bags of sand when the ...
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Education
  • Leiden University
    Propedeuse Chemistry, 1987 - 1991
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Gender
Male
Apps with Google+ Sign-in
  • WordPress
Story
Introduction
specialist in .NET, Win32, SQL, Visual Studio & Delphi
Bragging rights
frequent speaker on international Developer conferences. Frequent blog on .NET, Delphi, technology and LifeHacking
Work
Occupation
self employed consultant at BeSharp.net
Employment
  • BeSharp.net
    Owner, 2007 - present
  • Pluimers Software Ontwikkeling B.V.
    Owner, 1989 - 2007
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Amsterdam
Previously
Badhoevedorp - Sassenheim - Stolwijk - Geldrop
Wonderful place. Great hospitality. Amazing diner made from seemingly simple ingredients leading to an absolutely tasteful combination. Breakfast buffet that puts any continental breakfast in the shade. Superb view. Last but not least: a sauna landscape that makes a thermen/spa jealous.
Public - a month ago
reviewed a month ago
On a trip from Europe, we got some running gear here today. They were very helpful and pro-active with some great tips on using the gear, and better alternatives for what we were originally looking for. Since the NYC Half Marathon is our first half marathon ever, we got some great tips about that as well, especially since the first and toughest 10+k is inside Central Park so you need to make sure to strike a balance there. We're gonna meet some of the team at the NYC Half Marathon on St Patrick's day, and got invited to a "wind down" run in the week after the run. Highly recommended shop with enthusiast and knowledgeable people. Will certainly pay them a visit again in the future.
• • •
Quality: ExcellentAppeal: ExcellentService: Excellent
Public - 2 years ago
reviewed 2 years ago
2 reviews
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