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User: Janek+Kozicki

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  1. use bitcoins on Game Site Wonders 'What Next?' When 50% of Users Block Ads · · Score: 0

    There are several ways in which a site can gather funding using bitcoins.

    First of all, this is exremely easy to use, because no banks are involved. Just a bunch of python scripts. Or a regular bitcoin client.

    1) you can let people send donations with bitcoins, but since bitcoin is not too popular yet, that will not be big income, until it gets popular.

    2) so make it popular. For example implement a bitcoin-based forum system, in which people can choose to participate. If they choose to participate it works following:
    2.1) users pay a tiny amount, like 0.001 BTC to post a comment.
    2.1.1) If someone who is participating liked their post, they can choose an amount of BTC they want to tip the poster
    2.1.2) if someone replied to it, the poster gets 80% of those 0.001 that the replying perspn paid in order to post
    2.2) forum users who did not choose to participate, can post comments for free, but also cannot earn any BTC for being a helpful community member.

    the remaining 20% for each posted comment goes to the website.

    Now bitcoins get more popular on the website, and the website can earn money without advertisments at all.

  2. Re:what, only 300 BTC ? on DNS Hijack Leads To Bitcoin Heist · · Score: 2

    bitcoin is in much more aspects like gold, than you would initially expect.

    How would you "disable" stolen gold bars? Theoretically there are ways to mark gold using rare gold isotopes, so that even smelting will not destroy the signature. But this is not practical - it would require isotope detector at every place that trades even smallest amounts of gold.

    With bitcoin it is similar. In fact all bitcoins are already marked separately, and can be precisely tracked, but tracking only stolen ones (even if we reach an agreement how to decide if they are indeed stolen) is simply not practical - everyone using bitcoins would need to download (and update frequently) a centralized blacklist of stolen bitcoins and refuse to process them. Sounds familiar? So this approach would clearly break one of main strengths of bitcoin: decentralization.

  3. what, only 300 BTC ? on DNS Hijack Leads To Bitcoin Heist · · Score: 3, Interesting

    You talk here about theft worth only 300 BTCs or 12 000$

    Well, I can only conclude that overall BTC security maybe has improved. Recall previous thefts worth of 25 000 BTC or 500 000$ (at that time) or 18 547 BTC or 87 000$ (at that time).

    Why such conclusion? Well, if those evil people started to go after such low-profile target, it *can* mean that all high profile targets have adequate security.

  4. Zelda? on How Game Streaming Went From Shaky Webcams To the PS4 · · Score: 1

    I don't get it, how do you turn Zelda twilight princess into a multiplayer game?

  5. Re:ASIC on Mega Accepts Bitcoin; Email, Chat, Voice, Video, Mobile Coming Soon · · Score: 1

    clearly you misunderstand bitcoin, when bitcoin difficulty rises its security increases. There is no such thing as "plentiful" because with faster mining the difficulty self adjusts.

  6. Re:StorJ on Mega Accepts Bitcoin; Email, Chat, Voice, Video, Mobile Coming Soon · · Score: 1

    ok, I want to make money by providing storage space to storJ, where do I start? :)

  7. ASIC on Mega Accepts Bitcoin; Email, Chat, Voice, Video, Mobile Coming Soon · · Score: 0, Offtopic

    a side note about bitcoin: ASIC mining is starting now. I guess this is why bitcoin price rised recently. asicminer has currently 2TH, and prepares for next 12TH. 2 avalon units have been shipped, and one of them is reviewed by Jeff Garzik (bitcoin developer). Nobody knows when other 298 avalon units will arrive, etc. But slowly asic mining becomes part of the history.

  8. General phenomena, NKS on Heavy Metal and Emergent Behavior · · Score: 5, Informative

    You might be interested in new kind of science, where Stephen Wolfram argues that fluid (and gas) movement is a general pehonomena, which can be replicated using only very basic rules. And therefore must occur in very broad range of materials, regardless of their underlying precise rules. And he is right. I am no surprised that this also applies to heavy metal crowds.

  9. Re:Terabytes on When 1 GB Is Really 0.9313 Gigabytes · · Score: 0

    omg, I got modded 2:Troll. C'mon moderate that underrated, and it will end up 5:Troll ;)

  10. Terabytes on When 1 GB Is Really 0.9313 Gigabytes · · Score: 5, Informative
    It gets worse when you start counting terabytes. I recently bought a 2TB HDD and grown my mdadm raid array using:

    mdadm --add /dev/md69 /dev/sde3
    mdadm --grow --bitmap=none /dev/md69
    mdadm --grow --raid-devices=5 --backup-file=/root/grow_md69.bak /dev/md69
    mdadm --grow --bitmap=internal --bitmap-chunk=65536 /dev/md69
    resize2fs /dev/md69

    And I was surprised that my filesystem grew only by 1800 GB ! Still a bit more space for rsnapshot cron backing up all my family's PCs twice per day. But still... I wanted 2TB more, not 1.8TB.

  11. Re:rrdtool & /proc/net/dev on Thumb On the Scale? Study Finds 5 of 7 Broadband Meters Inaccurate · · Score: 1

    yes, awk is nice, but this one gives syntax error :)

  12. call me selfish on Ask Slashdot: Do Most Programmers Understand the English Language? · · Score: 1

    but I usually ignore whatever is not in english language. I always tell people that it doesn't make sense to write papers (or software) in polish language because only a minuscule part of world population uses it.

  13. rrdtool & /proc/net/dev on Thumb On the Scale? Study Finds 5 of 7 Broadband Meters Inaccurate · · Score: 3, Interesting
    is it really so hard to

    DATA1=`grep eth0 /proc/net/dev | sed -e 's/ /:/g' -e 's/:\+/:/g' | cut -d: -f 3,11`
    rrdtool update /path/rrd/eth.rrd N:${DATA1}

    ?

  14. Arrows on keyboard on Ubuntu Smartphone Shipping In October · · Score: 3, Insightful

    I saw there one example of a terminal session. And that reminds me - one thing that aggravates me on ipad (jailbroken) when using midnight commander in terminal is that the arrows keys are missing! I cannot event use the bash history.

    We definitely want the arrow keys on keyboard when in terminal mode.

  15. Bitcoin on Ubuntu Smartphone Shipping In October · · Score: 0

    one thing for sure - I want a bitcoin app that lets me pay quickly (or send money) just by scanning the qr code.

  16. Motion on Ask Slashdot: Open-Source Forensic Surveillance Analysis Software? · · Score: 1

    Using motion: http://www.lavrsen.dk/foswiki/bin/view/Motion/WebHome you can define restricted areas, define amount of change in the field of view to trigger some kind of alarm, define special commands that are triggered when uploading video stream, etc. Quite versatile I'd say.

  17. Re:Even the scientists' press release wrong on New Largest Known Prime Number: 2^57,885,161-1 · · Score: 1

    I thought the Slashdot summary goofed on this, but the scientists did as well.
    It's the largest known Mersenne prime. For instance, 1000000! - 1 is also known to be prime, and it is much larger than this number.

    And also, you are wrong: 1000000! - 1 has only 5.56e6 decimal digits, while 2^57885161 - 1 has 1.74e7 decimal digits:

    In[8]:= Log[10,1000000!-1] //N
    Out[8]= 5.56571*10^6
    In[7]:= Log[10,2^57885161-1] //N
    Out[7]= 1.74252*10^7

  18. Re:Even the scientists' press release wrong on New Largest Known Prime Number: 2^57,885,161-1 · · Score: 1

    I thought the Slashdot summary goofed on this, but the scientists did as well.
    It's the largest known Mersenne prime. For instance, 1000000! - 1 is also known to be prime, and it is much larger than this number.

    how do you know 1000000! - 1 is prime? I cannot find any evidence about that. Care to provide some links? I launched mathematica to check this, using command PrimeQ[1000000! - 1] but it didn't calculate yet.

  19. open source on Can Proprietary Language Teams Succeed By Going Open Source? · · Score: 1

    I haven't seen any single case where moving to open source was bad for the mover.

  20. Re:$3600 ship on How EVE Online Dealt With a 3,000-Player Battle · · Score: 1

    Why he simply didn't jump back to escape from this territory?
    If he couldn't jump back, why he simply didn't use his escape pod to escape, sacrificing only one titan, instead of three?

  21. Re:It's good to see that ..... on Purported Relativity Paradox Resolved · · Score: 1

    to all three fellows who replied to my comment about ACs: you are absolutely right. I'm sorry and I promise to mod up ACs appropriately. Although they are harder to spot, sometimes :/ And I prefer modding up too, rather than down.

  22. Re:Read original paper on Purported Relativity Paradox Resolved · · Score: 1

    it is slashdotted now...

  23. Re:Back to middle ages on Purported Relativity Paradox Resolved · · Score: 1

    sorry, not all journals are open access, yet. I hope it will be fixed in this decade.

  24. Read original paper on Purported Relativity Paradox Resolved · · Score: 3, Informative

    http://prl.aps.org/toc/PRL/v108/i19

    Scroll down to "Trouble with the Lorentz Law of Force: Incompatibility with Special Relativity and Momentum Conservation", there you can get the pdf, if you have university access. Whew, it took me more than 20 minutes to find it. Why those journalists do not include the cited source?!

    This paper is actually quite interesting, and I remember my ED teacher complaining about the Lorentz Law incompatibility during his lectures too. Whether "hidden moment" exists or not - maybe is a matter of performing the right experiments :)

    And what about the proton radius problem?

  25. Re:It's good to see that ..... on Purported Relativity Paradox Resolved · · Score: -1, Offtopic

    you should register on slashdot. I don't like spending modpoints on anonymous cowards. I modded you up, but since I decided to participate in this discussion, and my modding is lost I might as well reply to you.