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User: Lord+Crc

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  1. Re:I remember the same arguments about Calculators on Laptops In the Classroom Don't Increase Grades · · Score: 1

    DO you know why abacus, cash registers, calculators and computers have in common? the users can do math without actually understanding math.

    But surely the goal of math classes is to make students understand the math they're studying?

  2. Re:I remember the same arguments about Calculators on Laptops In the Classroom Don't Increase Grades · · Score: 1

    The end result was that rather than having people solve very simplistic problems that they could actually pull off in a 4x4-inch section of paper, students were to solve far more complex problems that actually test their understanding of what they are attempting to do instead of their grasp over carrying a 1.

    Not in my experience.

    Calculators were strictly forbidden at every math exam I've had at university. They tested my knowledge and understanding far better than any other exam I had. All I needed was to know the multiplication table (up to 12 helps), how to multiply larger numbers and how to divide numbers.

    With calculators you may learn how to solve certain problems by rote, and thus score slightly higher on tests. That doesn't mean you have any understanding of the math involved. Tests where calculators are involved seem to be prone to this, at least in my experience (which is admittedly not that extensive). My girlfriend had "learned" math like this. She attempted to take further math classes, but quickly struggled as there was no longer a magic button that would rescue her.

    I guess my point is that calculators doesn't do anything for understanding.

    Doing trivial multiplication and addition on paper is a skill I believe most people should possess, and if you have that as a basis you can test their skills in everything from easy to complicated math problems.

    They can of course help with productivity if you know what you're doing.

  3. Re:Shortage of engineering jobs, on Mr. President, There Is No (US) Engineer Shortage · · Score: 1

    I asked you below, and I'm going to ask you again. Do you have some proof of this? I honestly want to know. I'm an independent voter and a musician. Can You Prove what you've asserted twice in this thread?

    While I don't have the specifics on the case parent mentioned, The Economist ran a couple of stories about somewhat similar cases a year ago. Here a relevant quote:

    In 2000 four Americans were charged with importing lobster tails in plastic bags rather than cardboard boxes, in violation of a Honduran regulation that Honduras no longer enforces. They had fallen foul of the Lacey Act, which bars Americans from breaking foreign rules when hunting or fishing. [...] The lobstermen had no idea they were breaking the law. Yet three of them got eight years apiece. Two are still in jail.

  4. Re:QUERY !! WHAT HAPPENS WHEN LINUS MEETS BUS ?? on Linux Kernel 3.1 RC 2 Released · · Score: 1

    This was resolved some 11 years go: http://segfault.org/writing/segfault.org/Bus.html

  5. Re:My Concerns about CS:GO on Valve Announces Counter-Strike: Global Offensive · · Score: 1

    "CS: GO is being developed by Valve in cooperation with Seattle-based Hidden Path Entertainment." - Valve is not the primary developer for the game, so it may not be up to standard Valve quality.

    The above statement doesn't shed much light on who's doing what, however Hidden Path has Xbox experience and apparently also have provided updates for CS:S lately. In addition Their "Defense Grid" game was very solid IMHO and I think they're capable of delivering "Value quality".

  6. Re:Blame PHP. Blame JavaScript. on Compromised WordPress Blogs Poison Google Image Searches · · Score: 1

    The hosting company I use supports Joomla, Drupal, Concrete5 and GetSimple as one click installs..

    Thanks for the pointers! Concrete5 looks nice, gonna try taking it for a spin.

  7. Re:Blame PHP. Blame JavaScript. on Compromised WordPress Blogs Poison Google Image Searches · · Score: 2

    Or, you know... don't use Wordpress...

    Is there a free CMS which offers the same balance of simplicity, usability and extensibility, and that can run on most shared hosts? I'm genuinely curious.

  8. Re:Was .NET all a mistake? on Was .NET All a Mistake? · · Score: 1

    Not seeing why this is difficult.

    Because you missed the important part: "use Delphi objects". Yeah sure you can write C wrappers for them, and then write object wrappers in python again. But that's hardly effortlessly.

  9. Re:Was .NET all a mistake? on Was .NET All a Mistake? · · Score: 1

    We were combining multiple languages long before Windows even existed. Ever heard of a sneaky little program called a linker ? It was just as "effortless" as your beloved .NET.

    Can you show me how to effortlessly use Delphi objects in a python script? This is something I'd love to know how to do.

  10. Re:Was .NET all a mistake? on Was .NET All a Mistake? · · Score: 4, Interesting

    The problem is, if you remove cross platform then there's little advantage to .NET.

    Only if you ignore C# with all it's feaures and .NET's ability to effortlessly combine several languages (like C#, F# and IronPython) in the same program.

    As for tighter integration to the host system... A lot of applications doesn't actually need this, and is happy with the basics provided by the platform/library of choice, be it .NET or Qt.

  11. Re:That's ok on Ubisoft Brings Back Always-Connected DRM For Driver: San Francisco · · Score: 3, Informative

    Indeed, I was going to get this on Steam, but that's just completely unacceptable. No sale.

  12. Re:Deceleration on Heat 'Most Likely Cause' of Pioneer Anomaly · · Score: 1

    I mean, isn't the probe generally traveling away from the sun?

    Generally yes, but not exactly, which is why there's a difference between deceleration and sunward acceleration. See this image.

  13. Re:Think of the children! on Can a Playground Be Too Safe? · · Score: 1

    WTF is that shiate? How can they evaluate the risk if they are protected from the consequence?

    But they aren't. That's exactly why I emphasized that they should be protected from serious injury. If they misjudge they could get hurt, and learn from that experience. By trying again, they can map out their limits.

  14. Re:Think of the children! on Can a Playground Be Too Safe? · · Score: 1

    That's not a bad thing either, after a few issues like that, they might learn wearing clothes with dangly bits like that carries it's own dangers they need to be prepared for.

    The issue I mentioned is primarily a problem for young children, less than 6 years of age, which even if their parents allowed them to couldn't make informed decisions about such things.

  15. Re:Think of the children! on Can a Playground Be Too Safe? · · Score: 1

    If a kid learns that falling off a high place hurts, he'll be less likely to do so in the future. Its how people learn.

    Indeed. A good playground should contain elements where the kids can evaluate the risk of doing something, but protect them from serious injuries if they misjudge. A kid should be able to get banged up a bit, but not die or lose a limb.

    A good playground should also protect the kids from dangers they cannot readily evaluate. For example the cords from their hoodies have a tendency to get stuck in wedges and can end up strangling them.

    These issues involve not only a good design of the playground elements and the playground itself, but also routine inspections and maintenance.

  16. Re:Correction on Suppressed Report Shows Pirates Are Good Customers · · Score: 1

    You can't just load a VEVO video, let it buffer, and watch it when it's ready.

    I've never had that problem. I pause immediately and go surf something else for a wee bit. When I come back it's fully loaded and ready to go. Every now and then the server has a hiccup and I need to refresh the page, but it's seldom. I'm in Norway if that matters.

  17. Re:Summary? on Congress Voting To Repeal Incandescent Bulb Ban · · Score: 1

    Second, in order for that redeposition to occur, the envelope must remain extremely hot (250 C/482 deg. F), regardless of the wattage of the bulb.

    Ah this could explain why the halogen bulb I got to test as a replacement for a 60W incandescent bulb died after 2 months while the incandescent bulb I used before had lasted for over 3 years at that point: I ran them dimmed at 60%.

    The salesman said they supported dimming, but that must have been just temporarily. My incandescent bulbs lasted another year before I moved...

  18. Re:Artist's Concept on Hubble Makes Millionth Observation · · Score: 5, Informative

    Why does it seem like every time I read an article about space imaging, there is an artist's rendition, instead of an actual rendition of the image?

    The actual image would most likely be of the star itself, and usually is just a few pixels wide. Not a lot for people to look at.

    However by observing those pixels over a long time they may see changes in the color / spectrum indicating the vapors in the atmosphere of the planet when it passes in front of the star.

    Here's a Hubble image of an actual exoplanet, 25 light years away. The exoplanet they're imaging in the story here is 1000 light years away...

  19. Re:How can they detect anything at all? on Indication of Neutrino Transformation Observed · · Score: 1

    I thought neutrinos almost never interact with more regular matter because they're too small to collide with atoms, how can they get their statistics?

    About 60 billion solar neutrinos pass through every square centimeter of the Earths surface every second, give or take.

    The Super-Kamiokande has a cross section of about 630000 cm^2 (~20 m diameter), so roughly 3.2 * 10^18 solar neutrinos pass through the detector each day.

    When looking for solar neutrinos, the Super-Kamiokande had about 15 events per day which they could attribute to solar neutrinos...

  20. Re:Which FPS to get? on Mass Effect 3, Battlefield 3 Launch Dates Announced · · Score: 4, Interesting

    From what I have read BF3 will be micro payment hell, where you have to pay real money to get each and every weapon upgrade.

    Sure you're not confusing it with the completely unrelated Battlefield Play4Free, modelled after Battlefield Heroes but with the BF2 engine and maps?

  21. Re:An alternative to reliance on a single toolkit on Free Software Faces a Test With Qt · · Score: 1

    Windows 64-bit was the other major reason I wanted to move off of Qt. You can pull it off in Qt, but it takes some source hackery and is unofficial, last I checked anyway (4.6.x)

    That has been fixed for some time now, no special settings needed. IIRC for 4.6.2 all I had to do was copy a file to and edit it slightly to make the qt build system recognize Visual Studio 2008.

  22. Re:RTRT is the next hurdle on Has the Console Arms Race Stalled? · · Score: 1

    Real-Time RayTracing simply isn't going to happen.

    a) It's not desirable. It looks cool for scenes with shiny spheres in them but it doesn't match the way light works in the real world.

    Ray tracing is much faster for very detailed geometry (very high triangle count) compared to scanline rendering.

    Shading can be decoupled using deferred rendering, which a lot (if not most) of modern games use.

    Thus one could envision having specialized raytracing hardware filling a G-buffer which is then shaded using deferred shading techniques.

  23. Re:Woah woah woah on Comet Hale-Bopp 'Frozen To Death' · · Score: 4, Informative

    2500 Years? I thought it came around every 70-80 or so.

    You're probably thinking of Halley's comet.

  24. Re:No. on Is Science Just a Matter of Faith? · · Score: 1

    Religion requires faith, because it cannot be demonstrably proven to be true.

    A scientific theory cannot be demonstrably proven to be true either. However it can be demonstrably proven to be false, and that's what separates it from faith and religion.

  25. Re:C'mon Python Users tell us why on ISO C++ Committee Approves C++0x Final Draft · · Score: 1

    So basically, you get around Python's performance limitations... by using C instead.

    It's a very nice idea which brings the best of both worlds. FEniCS, an open-source finite element framework , uses pretty much the same technique to allow one to set up the simulation in Python, yet get the speed of hand-optimized C++ code.

    And using Python capabilities one can write code which is much closer to the underlying math, which significantly improves the usability. Here's the core of an example using FEniCS:

    V = FunctionSpace(mesh, 'CG', 1)
     
    # Define variational problem
    v = TestFunction(V)
    u = TrialFunction(V)
    f = Constant(-6.0)
    a = inner(grad(u), grad(v))*dx
    L = f*v*dx
     
    # Compute solution
    problem = VariationalProblem(a, L, bc)
    u = problem.solve()

    When calling solve() the problem is converted to C++ code, compiled as a module, imported and executed, all on the fly. The C++ generator can optimize for special cases, for example in the code above it knows that "f" is a constant function.

    Why treat everything as a nail when you don't have to?