Certainly not in stability, or even being able to properly work with 100% of the websites out there. Compliance with standards is pointless if it doesn't work on 100% of sites. If FireFox wants better acceptance, they need to fix a lot of the corporate network support issues like centralized updates, configuration management that integrates with AD instead of some abortion scripting setup, properly implementing the proxy.pac file (which netscape invented, btw), etc.
I normally remove Firefox from my users computers as it causes more helpdesk calls, and the fact that it doesn't always automatically update itself is a security vulnerability. At least with IE7 I can control via AD and update via WSUS. I was pretty pissed to discover that one of our developer teams wrote a critical web gui that requires the chrome extensions. Now there's a fubared set of "standards" for you. I just laugh my arse off that everytime firefox gets updated (for those non-existant security holes) that their application breaks.
They started with a piece of crap code base, banged on that, did a mediocre re-write, and in the end still have a buggy, unstable, bloated browser. The developers frequently stick their fingers in their collective ears and insist that problems like memory hogging and instability don't exist. Instead, they keep forging ahead and adding more feature bloat. The only reason they had any success on the windows platform was the IE6 insecurities and people wanted a lightweight replacement browser. It's too bad that firefox has become a heavyweight, slow hog that isn't really much more secure than IE7.
I burn around 25% more than the average person my size and weight due to exercise (averaging 2600 calories/day). Should I stop exercising to save the world? Maybe I should switch to a sedentary lifestyle and the ensuing shortened lifespan to help rid the world of pesky humans faster. The authors of this study are trying to sensationalize this, when they really should have just pointed out the issues with a poor BMI and the associated higher medical costs.
So can you cite a reliable source for this story? It still sounds like an urban legend that has been contoured to fit Mr Lovins political theories.
Try googling for just "thin egg shells lead" instead of leaded gas. The DDT faq at http://www.junkscience.com/ddtfaq.html should be in the top 4. It supports my arguments and has all the citations to the appropriate science journals (not just the speech of some political activist). In particular, it cites amble evidence that DDT does not affect the egg shell thickness, although one study showed an impact on production of some species. There are references to studies showing other pollutants such as lead, mercury, etc have been associated with egg deformities.
Oh for his noodley appendages sake! If you're going to google and quote random garbage, then at least quote the first sentence. "One participant noted a true international development fable often cited by Amory Lovins"
What part of FABLE do you think doesn't mean fiction? The story is an urban legend and some versions say a different pesticide other than DDT was used.http://oook.info/humangeog/malaria.html
There is far more evidence pointing to leaded gas being the culprit for thin eggs. Don't you find it odd that all the other countries that still use DDT haven't seen egg thinning? Or how the examples of places that increased the use, but saw lower incidents of thin shelled eggs after lead was banned from gas?
Don't run downloaded.exes (in fact, any.exe that hasn't been run before) until there has been a warning If you download a file with IE it is tagged with the zone it was downloaded from (the tag is in an alternate NTFS data stream). Unless you've changed the security zone settings, Windows will warn you before running a file that was downloaded from the internet zone. Se in this case using an alternate browser defeats this safeguard.
Okay, so a MTBF for the computer as a whole would be meaningful as it is a system and has serviceable components (parts that need maintenance and have individual service life expectancies). MTBF for a non-serviceable item is meaningless.
To stretch the example, MTBF makes sense for a car that is properly maintained. After the initial break-in period, assuming routine maintenance is performed, MTBF represents the unexpected failures such as the starter going out.
ASUS started offering the Eee PC with Windows XP because sales of the Linux version were pathetic. The Eee PC running Linux was being viewed as a fancy PDA more than a viable replacement for a full laptop. They were not taken as a seriously until they offered it with Windows XP. Google and you'll find tons of writeups of how to dump the Linux and install windows. I'll be danged if I could find one writeup, or even a person wanting to go the other way. At the very least, that hints at the market preference
As I already have a laptop with similar hardware specs that dual boots XP and Fedora, I think either XP or Linux will be usable if not speedy on this.
Many have pointed out the need for a better understanding of what disk
failures look like in the field. Yet hardly any published work exists that
provides a large-scale study of disk failures in production systems.
As a first step towards closing this gap,
we have analyzed disk replacement data from a number of
large production systems, spanning more than 100,000 drives from
at least four different vendors, including drives with SCSI, FC and
SATA interfaces.
Below is a summary of a few of our results.
Large-scale installation field usage appears to differ widely from nominal datasheet MTTF conditions.
The field replacement rates of systems were significantly larger than we expected based on datasheet MTTFs.
For drives less than five years old, field replacement rates were larger
than what the datasheet MTTF suggested by a factor of 2-10.
For five to eight year old drives, field replacement rates were a factor of 30 higher than what the datasheet
MTTF suggested.
Changes in disk replacement rates during the first five years of the lifecycle were more dramatic
than often assumed. While replacement rates are often expected to be in steady state in year
2-5 of operation (bottom of the ``bathtub curve''), we observed a continuous increase in replacement
rates, starting as early as in the second year of operation.
In our data sets, the replacement rates of SATA disks are not worse than the
replacement rates of SCSI or FC disks. This may indicate that
disk-independent factors, such as operating conditions, usage and
environmental factors, affect replacement rates more than component specific
factors. However, the only evidence we have of a bad batch of disks was
found in a collection of SATA disks experiencing high media error rates. We
have too little data on bad batches to estimate the relative frequency of
bad batches by type of disk, although there is plenty of anecdotal evidence
that bad batches are not unique to SATA disks.
The common concern that MTTFs underrepresent infant mortality
has led to the proposal of new standards that incorporate infant mortality[33].
Our findings suggest that the underrepresentation of the early onset of wear-out
is a much more serious factor than underrepresentation of infant mortality
and recommend to include this in new standards.
While many have suspected that the commonly made assumption of exponentially
distributed time between failures/replacements is not realistic, previous studies have not found
enough evidence to prove this assumption wrong with significant statistical
confidence[8]. Based on our data analysis, we are able to reject the
hypothesis of exponentially distributed time between disk replacements with high confidence.
We suggest that researchers and designers use field replacement data, when possible, or
two parameter distributions, such as the Weibull distribution.
We identify as the key features that distinguish the empirical distribution of time between disk replacements
from the exponential distribution, higher levels of variability and decreasing hazard rates.
We find that the empirical distributions are fit well by a Weibull distribution with
a shape parameter between 0.7 and 0.8.
We also present strong evidence for the existence of correlations between disk replacement
interarrivals.
In particular, the empirical
data exhibits significant levels of autocorrelation and long-range dependence.
MTBF is NOT and has NOTHING to do with the expected time before a drive fails.
For those who don't know the common accepted definition of MTBF.
http://en.wikipedia.org/wiki/Mean_time_between_failures. So yes and no. Some definitions say MTBF is not supposed to include the first failure and some definitions say it does. However, for refurbished drives MTBF should predict the next failure. In both cases the stated MTBF is total hogwash and everyone knows it.
MTBF is the expected time between failures in a SYSTEM which is REGULARLY MAINTAINED. For a system that has no serviceable parts, MTBF is effectively the average service life. How exactly do you maintain your HD?
To the guys who claim they've never lost a drive, you've had what? Maybe 3 or 4? I deal with several large raids, encompassing a few hundred drives and running 24/7. The power and cooling are very tightly controlled. Looking at our statistics, we have about a 5% failure rate for drives within the first year. About 10% over four years. SCSI drives seem to last longer than SATA drives, but they are also much more expensive.
The MTBF numbers from the manufacturers are total BS. The best number to go by is the warranty, because that's what matters to the manufacturer. Depending on the expected failure rate of a particular model and the profit margin, they set the warranty period to minimize the number of replacements and still be able to make a profit. Some models that might be a 5% or even 10% warranty replacement rate.
It wasn't clear whether the chip circuits actually operated at the 0.3 volts, or that's whats fed to the on-board dc-dc converter and it's stepping it up or down as needed. If they really do have transistors that reliably work at 0.3 volts that's a significant breakthrough that I'm sure the heavy duty CPU guys would love to know about. I'm thinking this might simply be a matter of better battery use by integrating a high-quality dc-dc converter on the chip. It seems like most consumer grade electronics have crappy converters that drop off long before the battery is full depleted. How many gadgets, flashlights, etc do you have that drop off when your AA batterys hit 1 volt? The joule-thief is a great example of how a decent converter can extract a lot more energy from "dead" batteries.
Snicker. What ever energy you could leach from passing traffic, just gets added to the power requirement of the traffic. Would you reduce gas mileage by 0.5% just to make a couple hundred of watts? You're likely to expend more energy creating this magic material than it will ever produce in its lifetime.
You need to go even further up the chain and start with the fubar'd methods by which the parties select their nominees. The Democrats at least do proportional delegates, whereas the Republicans use both proportion and winner takes all for their primaries. Some of the states are even more strange with multiple votes eliminating the non-viable candidates. Some states are wising up and doing proportional electoral votes for the real election - mostly because they are annoyed at being ignored as a non-flip-flop state. For example Idaho always goes Rep so no candidates ever campaign there or even consider any of their state specific issues.
You do realize that many certain private schools and home-schooling groups exist solely because the public schools are poorly equipped to deal with learning disabilities? Or kids who learn differently, but are not considered "disabled". Even have or know kids in the public school system who have to fight to get a decent Individal Education Plan that is most that just fancy daycare?
Like many of the Presidental issues, abortion is a non-issue because the President will have little or no influence on the legality of it. He can influence it by whom he nominates for a Supreme Justice, but how many are up for replacement during his term? Congress still gets a cut on approving the justice nominations as well.
Because running 35 mph, is a whole lot different than launching itself at a 55 degree angle at 35 mph. If the tiger could get any grip at all on the side of the wall, it would have needed less initial velocity jumping from the bottom of the moat. If you don't mind converting to metric, here's a calculator for you. http://www.sfgate.com/cgi-bin/object/article?f=/c/a/2007/12/28/MNSKU5OFE.DTL&o=1
Which article says the witness was fabricated by the zoo director? I suppose it is possible that Jennifer Miller is lying to the police and the paper. The police stopped the investigation for political reasons, and the simple fact that they had no direct evidence of a crime being committed (taunting isn't a crime) and had nothing else they could legally look at. Still, all of the circumstantial evidence points to them provoking the tiger.
Everyone is eager to say they were taunting the tiger. Certainly the media like the sensationalism. The city and the zoo are busy trying to cover their collective butts from the inevitable lawsuit. The taunting question aside, I agree that the enclosure was not adequate to contain a pissed off tiger and the zoo needs to answer for that.
Okay, but you're ignoring a few key points which can also be found on the SFGate link you provided.
- The dead guy was legally drunk and had been smoking pot according to the coroners report.
- They have an eye witness, saying they were harrasing the lions shortly before the escape.
- Oh, and they did find minor foreign objects in the enclosure such normally would not be there.
- One of them told the father of the dead guy that they were teasing and climbing on the railing, but didn't throw anything.
- The foot print on the railing.
- They had prior incidents of being drunking & disorderly, including assaulting a cop.
I think it's safe to assume that they were hollering and teasing the tiger, but debateable on whether they threw anything at her. Either way, these guy were not the upstanding pillar of society that they claim to be. In my opinion, they brought this on themselves and learned the hard way about the consequences of acting like an ass. I've have just as much sympathy if they went to a back alley and harrassed a drug dealer and got themselves shot.
The math is making the bogus assumption that the tiger can jump at 26.7 mph, and that it jumped across the dry moat instead of jumping from the bottom. Speaking of which, was the original design supposed to have water in that moat?
I was referring to primarily the IAD, which as far as we can tell was the focus of the Directive that Bush signed. As someone else posted, they certainly have the IA expertise and capability on the signint side of the house, but it's not clear if they have the manpower or resources to implement the full scope of the directive. Of course, looking at Bush and Cheney's record there will probably be a sole source contract to Haliburton of EDS to do the actual implementation with Netwarcom or NSA oversight (ala NMCI).
Slashdot Mirror
Certainly not in stability, or even being able to properly work with 100% of the websites out there. Compliance with standards is pointless if it doesn't work on 100% of sites. If FireFox wants better acceptance, they need to fix a lot of the corporate network support issues like centralized updates, configuration management that integrates with AD instead of some abortion scripting setup, properly implementing the proxy.pac file (which netscape invented, btw), etc.
I normally remove Firefox from my users computers as it causes more helpdesk calls, and the fact that it doesn't always automatically update itself is a security vulnerability. At least with IE7 I can control via AD and update via WSUS. I was pretty pissed to discover that one of our developer teams wrote a critical web gui that requires the chrome extensions. Now there's a fubared set of "standards" for you. I just laugh my arse off that everytime firefox gets updated (for those non-existant security holes) that their application breaks.
They started with a piece of crap code base, banged on that, did a mediocre re-write, and in the end still have a buggy, unstable, bloated browser. The developers frequently stick their fingers in their collective ears and insist that problems like memory hogging and instability don't exist. Instead, they keep forging ahead and adding more feature bloat. The only reason they had any success on the windows platform was the IE6 insecurities and people wanted a lightweight replacement browser. It's too bad that firefox has become a heavyweight, slow hog that isn't really much more secure than IE7.
I burn around 25% more than the average person my size and weight due to exercise (averaging 2600 calories/day). Should I stop exercising to save the world? Maybe I should switch to a sedentary lifestyle and the ensuing shortened lifespan to help rid the world of pesky humans faster. The authors of this study are trying to sensationalize this, when they really should have just pointed out the issues with a poor BMI and the associated higher medical costs.
So can you cite a reliable source for this story? It still sounds like an urban legend that has been contoured to fit Mr Lovins political theories.
Try googling for just "thin egg shells lead" instead of leaded gas. The DDT faq at http://www.junkscience.com/ddtfaq.html should be in the top 4. It supports my arguments and has all the citations to the appropriate science journals (not just the speech of some political activist). In particular, it cites amble evidence that DDT does not affect the egg shell thickness, although one study showed an impact on production of some species. There are references to studies showing other pollutants such as lead, mercury, etc have been associated with egg deformities.
Oh for his noodley appendages sake! If you're going to google and quote random garbage, then at least quote the first sentence. "One participant noted a true international development fable often cited by Amory Lovins"
What part of FABLE do you think doesn't mean fiction? The story is an urban legend and some versions say a different pesticide other than DDT was used.http://oook.info/humangeog/malaria.html
There is far more evidence pointing to leaded gas being the culprit for thin eggs. Don't you find it odd that all the other countries that still use DDT haven't seen egg thinning? Or how the examples of places that increased the use, but saw lower incidents of thin shelled eggs after lead was banned from gas?
No. A capacitor is non-serviceable and the first failure is the end of life. The proper term here is MTTF, mean-time-to-failure.
Okay, so a MTBF for the computer as a whole would be meaningful as it is a system and has serviceable components (parts that need maintenance and have individual service life expectancies). MTBF for a non-serviceable item is meaningless.
To stretch the example, MTBF makes sense for a car that is properly maintained. After the initial break-in period, assuming routine maintenance is performed, MTBF represents the unexpected failures such as the starter going out.
ASUS started offering the Eee PC with Windows XP because sales of the Linux version were pathetic. The Eee PC running Linux was being viewed as a fancy PDA more than a viable replacement for a full laptop. They were not taken as a seriously until they offered it with Windows XP. Google and you'll find tons of writeups of how to dump the Linux and install windows. I'll be danged if I could find one writeup, or even a person wanting to go the other way. At the very least, that hints at the market preference
As I already have a laptop with similar hardware specs that dual boots XP and Fedora, I think either XP or Linux will be usable if not speedy on this.
.7 Conclusion
Many have pointed out the need for a better understanding of what disk failures look like in the field. Yet hardly any published work exists that provides a large-scale study of disk failures in production systems. As a first step towards closing this gap, we have analyzed disk replacement data from a number of large production systems, spanning more than 100,000 drives from at least four different vendors, including drives with SCSI, FC and SATA interfaces. Below is a summary of a few of our results.
For those who don't know the common accepted definition of MTBF. http://en.wikipedia.org/wiki/Mean_time_between_failures. So yes and no. Some definitions say MTBF is not supposed to include the first failure and some definitions say it does. However, for refurbished drives MTBF should predict the next failure. In both cases the stated MTBF is total hogwash and everyone knows it.
MTBF is the expected time between failures in a SYSTEM which is REGULARLY MAINTAINED. For a system that has no serviceable parts, MTBF is effectively the average service life. How exactly do you maintain your HD?To the guys who claim they've never lost a drive, you've had what? Maybe 3 or 4? I deal with several large raids, encompassing a few hundred drives and running 24/7. The power and cooling are very tightly controlled. Looking at our statistics, we have about a 5% failure rate for drives within the first year. About 10% over four years. SCSI drives seem to last longer than SATA drives, but they are also much more expensive. The MTBF numbers from the manufacturers are total BS. The best number to go by is the warranty, because that's what matters to the manufacturer. Depending on the expected failure rate of a particular model and the profit margin, they set the warranty period to minimize the number of replacements and still be able to make a profit. Some models that might be a 5% or even 10% warranty replacement rate.
It wasn't clear whether the chip circuits actually operated at the 0.3 volts, or that's whats fed to the on-board dc-dc converter and it's stepping it up or down as needed. If they really do have transistors that reliably work at 0.3 volts that's a significant breakthrough that I'm sure the heavy duty CPU guys would love to know about. I'm thinking this might simply be a matter of better battery use by integrating a high-quality dc-dc converter on the chip. It seems like most consumer grade electronics have crappy converters that drop off long before the battery is full depleted. How many gadgets, flashlights, etc do you have that drop off when your AA batterys hit 1 volt? The joule-thief is a great example of how a decent converter can extract a lot more energy from "dead" batteries.
The noexec option is just about as secure as assuming there are not ways around a chroot. Nothing saying you can't pipe a script into perl or bash. Or as sonmeelse pointed out http://lazzybear.blogspot.com/2007/01/bypass-no-exec-option-on-mount.html
A true enterprise class machine doesn't have extra stuff installed that can be used against it. For example, a compiler.
Snicker. What ever energy you could leach from passing traffic, just gets added to the power requirement of the traffic. Would you reduce gas mileage by 0.5% just to make a couple hundred of watts? You're likely to expend more energy creating this magic material than it will ever produce in its lifetime.
You need to go even further up the chain and start with the fubar'd methods by which the parties select their nominees. The Democrats at least do proportional delegates, whereas the Republicans use both proportion and winner takes all for their primaries. Some of the states are even more strange with multiple votes eliminating the non-viable candidates. Some states are wising up and doing proportional electoral votes for the real election - mostly because they are annoyed at being ignored as a non-flip-flop state. For example Idaho always goes Rep so no candidates ever campaign there or even consider any of their state specific issues.
You do realize that many certain private schools and home-schooling groups exist solely because the public schools are poorly equipped to deal with learning disabilities? Or kids who learn differently, but are not considered "disabled". Even have or know kids in the public school system who have to fight to get a decent Individal Education Plan that is most that just fancy daycare?
Like many of the Presidental issues, abortion is a non-issue because the President will have little or no influence on the legality of it. He can influence it by whom he nominates for a Supreme Justice, but how many are up for replacement during his term? Congress still gets a cut on approving the justice nominations as well.
Oops. Here's the calculator http://id.mind.net/~zona/mstm/physics/mechanics/curvedMotion/projectileMotion/commonQuestionsCalculator/commonQuestionsCalculator.html
Because running 35 mph, is a whole lot different than launching itself at a 55 degree angle at 35 mph. If the tiger could get any grip at all on the side of the wall, it would have needed less initial velocity jumping from the bottom of the moat. If you don't mind converting to metric, here's a calculator for you. http://www.sfgate.com/cgi-bin/object/article?f=/c/a/2007/12/28/MNSKU5OFE.DTL&o=1
Which article says the witness was fabricated by the zoo director? I suppose it is possible that Jennifer Miller is lying to the police and the paper. The police stopped the investigation for political reasons, and the simple fact that they had no direct evidence of a crime being committed (taunting isn't a crime) and had nothing else they could legally look at. Still, all of the circumstantial evidence points to them provoking the tiger.
Everyone is eager to say they were taunting the tiger. Certainly the media like the sensationalism. The city and the zoo are busy trying to cover their collective butts from the inevitable lawsuit. The taunting question aside, I agree that the enclosure was not adequate to contain a pissed off tiger and the zoo needs to answer for that.
Okay, but you're ignoring a few key points which can also be found on the SFGate link you provided. - The dead guy was legally drunk and had been smoking pot according to the coroners report. - They have an eye witness, saying they were harrasing the lions shortly before the escape. - Oh, and they did find minor foreign objects in the enclosure such normally would not be there. - One of them told the father of the dead guy that they were teasing and climbing on the railing, but didn't throw anything. - The foot print on the railing. - They had prior incidents of being drunking & disorderly, including assaulting a cop. I think it's safe to assume that they were hollering and teasing the tiger, but debateable on whether they threw anything at her. Either way, these guy were not the upstanding pillar of society that they claim to be. In my opinion, they brought this on themselves and learned the hard way about the consequences of acting like an ass. I've have just as much sympathy if they went to a back alley and harrassed a drug dealer and got themselves shot.
The math is making the bogus assumption that the tiger can jump at 26.7 mph, and that it jumped across the dry moat instead of jumping from the bottom. Speaking of which, was the original design supposed to have water in that moat?
I was referring to primarily the IAD, which as far as we can tell was the focus of the Directive that Bush signed. As someone else posted, they certainly have the IA expertise and capability on the signint side of the house, but it's not clear if they have the manpower or resources to implement the full scope of the directive. Of course, looking at Bush and Cheney's record there will probably be a sole source contract to Haliburton of EDS to do the actual implementation with Netwarcom or NSA oversight (ala NMCI).