From what I have seen in the university this question trips up a lot of people, especially those who either googled/memorized the code and just typed it up or got a friend to do it. And this was for extremely simple stuff, like "put these two numbers (0 - 15) in a single byte so that bits 0-3 are number1 and bits 4-7 are number2".
If you care, search the internets about prisons, correction facilities, etc.. in countries around the world (hint Europe).
I live in Europe:) Yes, the prisons in my country are not as full as those of the US, but violent crime happens (either the criminal working alone or doing a job for a criminal organizaion). There are a few cases where a criminal killed an old man/woman for their money (usually a small sum, like $50, or for a bottle of vodka) and the criminals do not have a lot of problems killing an old person with a knife (or some other object) or just their bare hands.
Life in prison is too easy for the criminals - they have TVs, some even computers and complain that they do not get enough vitamins. The government should bring the Soviet style prisons back - poor living conditions, lots of work etc, so that the criminal would think twice about returning.
Everyone needs to take precautions - I lock my car, do not leave anything even remotely valuable (like a cigarette pack) visible from the outside, especially if parking in an area with bad/unknown reputation etc. Too bad owning a gun is quite difficult, if my home gets invaded, the only hope for me to defend myself is to be able to get to where I keep the battery acid, pour some of it in a container with a large opening and then try to get it on the attackers face and hope the 33% or whatever concentration is enough to make him stop (instead of just making him angry).
What the "arm the teachers" advocates seem to want to ignore is how badly people - even trained combat infantry troops - shoot when under pressure. Folks that can constantly hit targets on the range, get one shot kills when hunting, etc will have very bad hit rates when someone is shooting back. Most of the return fire will miss and can (will often?) lead to some additional casualties when the return fire hits someone that is behind the target. This badly reduced accuracy while under duress issue is totally missed by many folks.
Which is why you train the teachers to use the guns properly. It certainly would be better than the current strategy of waiting until the perp runs out of bullets/targets or gets bored.
you are thinking it wrong! the problem is the thug breaking into the house. you fight this by changing the mentality (education) of people, not by giving them guns.
Yes, robbery, rape, murder happens only because the poor perps did not know that it was a bad thing. That is why if they get out of prison they never commit crimes again.
Do you have prisons in those civilized countries? Are there any convicted rapists or murderers serving time there? If so, why do you keep them there - just explain that what they did was wrong and let them out.
I just happens so rarely that it is NOT a problem.
Well, unless it happens to you, though I guess if it happens to you then it is less likely to happen o me, maybe it really is not a problem.
Because it's under user control. Or do you believe that net neutrality is only achieved if the ISP refuses to block anything, even at he request of the user? No spam blockers, no virus attack blockers, no DDoS prevention for your server, nothing.
ISP should offer two services: 1. Dumb data pipe. 2. Optional (entirely under user control) firewalling or content filtering of the data that is in tat pipe.
Not everyone can figure out how to block access to porn (or at least in such a way that their kids would not be able to circumvent it easily) or filter spam or properly configure a firewall. The ISP should offer a service of firewall, blocking, QoS* etc, but also provide a way for user to say "No, just give me the packets without tampering with them"
When I had DSL, I would have liked very much if I could assign lower priority on my torrents so that they do not clog my connection. I could do prioritize packets while uploading them, but I could not do anything about downloaded packets (since if the packet is in my router it already passed the bottleneck). It would have been nice if I could tell my ISP to prioritize games and HTTP over torrents.
When the ISP does this over the entire network (prioritizing someone elses HTTP over my torrents) it's annoying, but I would have liked to have a way of prioritizing my own HTTP over my own torrents.
As long as the user can disable the block it is an additional service in my opinion.
For example, my ISP gives external unfiltered IPs, but for an additional (small) fee I could get them to block incoming connections (like a firewall). This is useless for me, since I run some services that need to accept outside connections, but for a grandma who does not use torrents or run any servers, the service provides additional security without the need to configure a router/firewall.
The thing is, if the market is competitive, blocking p2p or youtube will just make your customers go to a different ISP (especially the ones who use premium plans). However, blocking ads may be seen as an additional service while at the same time saving bandwidth (especially if the ISP does not cache web pages). Oh, and some ads can infect the PC with malware.
Yea, this. Doing math in little steps (and showing work) is needed, but not when the problem is too easy. Give a harder (or at least longer, with more parts) problem and you will see more students splitting it into parts.
Here's a math question for you: what are the chances I correctly guessed an answer between, say, 1 and 10, on ten questions in a row?
Well, maybe you bruteforced the answer instead of just guessing it (and not checking your guess).
A newton is approximately the weight of a 100g mass object on Earth (actually 100g weighs 0.981N). 100kPa is approximately 1 atmosphere (1atm is precisley 101.325kPa). 1kPa is also the approximate hydrostatic pressure of 10cm column of water, so the pump needs to be at least 10kPa to lift water to 1m height.
Or, you know, I could just use a tape measure (I have one that's 100m long) for short distances or GPS/maps for longer distances (a few kilometers or more).
And it also means that dividing by it you get a really long (or infinite) decimal fraction that you will most likely truncate because the original measurement was not that precise. Then if someone converts that back, you get additional inaccuracies.
Fractions by themselves are not difficult, but they do add difficulty, especially when you have a stacked fraction.
4 ft 4 3/16 inch translates to 4+(4+3/16)/12 ft or 4*12+3/16inch. I need to do at least one division and a multiplication or another division with numbers that are not that easy to multiply or divide (12, 16). On the other hand, using decimal system it would be simpler - 55inch, 5.5deciinch or 0.55kiloinch.
Good theory, but what's the real world infection rate of Windows to Linux? 10^3? 10^4? Even given the bigger install base of around 10^1, that's bad.
Because nobody tries to do it. I mean if you were a malware writer, would you spend time to create a new malware that is compatible with 1% of desktops or 90% of desktops?
While Linux, by default, has higher system security (as users do not run as root, though the same is true for Windows Vista and up too), user security is the same. "rm -rf ~/" works quite well even from limited users account. On the other hand, "rootkits" were first developed for Linux...
Linux is also great on desktops. I know, because I've been using it as my primary desktop OS for years. I've also set up Linux desktops for peers seniors, and adolescents. They're not programmers, and neither am I. Many of these setups I never see again after I set them up.
I am also using Linux on a desktop at work. Disregarding the fact about games, Linux still has problems on desktop, for example, watching a youtube video on full screen is rather slow. Again, at work it's not a problem.
You already know that Linux abounds on servers, and again, we're talking about real world. Just because malware exists for platforms other than Windows, doesn't make it a comparable problem.
I'm sure that the infection rate of Windows servers is rather low too. As for Android, it is a form of Linux with high market share. Android is also more restricted than desktop-Linux, so if malware authors figured out how to infect it, then infecting desktop Linux would also be easy if it was worth infecting...
Next comes the problem of finding, downloading and installing drivers, basic usability software (like a web browser), removing crapware if you happen to be working with an OEM image, and fixing all the insane defaults.
Drivers are usually available at the manufacturers web site - unless the hardware is very old or unusual. Then again, to make a RS422 card work on Linux I had to edit the source of the drivers because they would not compile on Debian 5 (when it was current). For software - basic software can be installed quickly using http://ninite.com/>Ninite For defaults - that's what nLite is for - to make your own defaults.
In the real world, most Linux-compatible software comes with the source code, while for Windows it does not.
And usually you do not need to run a 20 year old program on a new computer. That is usually limited to very expensive software that is not updated anymore (or the company wants you to buy the new version for a lot of money), but the old version still works. That usually does not come with source code regardless of the OS. Still, old binaries run quite well on Windows XP or 7 (two currently most popular desktop versions). Besides, even if the source is available, if "./configure & make && make install" fails most users would not know what to do, unless the error message told them to install some package and that package did not conflict with a (newer) package already on the system.
Yes, Linux is great on servers. Or on supercomputers, where they have a programmer team to make it work. However, we are talking about desktop.
Malware problem - Linux is not immune to it, unless it somehow forbids one from running cutekittens.sh they got in an email attachment. The only reason why there is little malware on Linux is because Linux has a tiny desktop market share, so it is not worth the effort to create malware for it. However, if the market share increasess there will be malware, just look as MacOS or Android.
It takes 4 hours of expert service to take a Windows machine from "retail" to "usable" condition.
Just install a fresh copy of Windows if possible. That takes time, but not a lot of "active" time.
It has a built-in fragmentation where it's even not compatible with the oldest versions of itself, and while new features and their own applications like the browser could be backported older versions are not to keep the treadmill moving.
I can take a Windows 3.0 program and run it on XP or 7 (either the 32bit version or in XP mode). Can I do the same with a 20 year old Linux binary? No, recompiling is not an option, because if the source was available, then it would make running old software on Windows also easier. Hell, even drivers are usually compatible across Windows versions (NT4, 2000 drivers work on XP; Vista drivers work on 7, some 2000 drivers work on 7 too).
Windows may not work correctly straight after install, but is is quite easy to make it work (install drivers etc). On the other hand, Linux either works perfectly or there pretty much is no hope of making it work (incompatible/too new hardware, incompatible drivers etc) unless you are a programmer and can edit and recompile the whatever service that does not work.
Maybe it was written in asm then there would not really be any source...
Those computer can most likely be repaired more easily than modern ones - my 286 has a lot of common chips (mainly 74LS or 74F series) and uses low frequencies (low enough to see with my 100MHz scope) so if a chip fails it is possible that I could replace it.
Yes, your former employer will have to replace the system some time in the future, but it could be in 10 years or maybe he will no longer need that system.
Also, the economy is such that I would not quit unless there were bigger problems than having to maintain old hardware, because it may be that I won't be able to find a job for quite some time.
My boss understands it, this however, was not for him, but for a friend of the family. I made the hard drive work, told him that the drive can fail at any time now and said that the next time he most likely will need a new drive as this one will have failed completely. The laptop does not hold any valuable data, it is just used for repairing cars, even if the drive fails, he will only have the inconvenience of the time it takes me to find a working drive and install Windows.
And I got some experience and the knowledge of how to manually mark clusters as bad in FAT32 filesystem.
And yes, I've had to nurse along antique hardware too. Not fun.
In some cases it is even more fun that playing with brand new hardware. I would not have repaired a motherboard with a 286 if it wasn't fun.
Oh, the stores have lots of 2.5" SATA drives, but no 2.5" IDE drives. While it is possible to use an adapter to connect a SATA drive to an IDE bus, that adapter does not fit inside a laptop along with the SATA drive.
No point in buying an old used drive, since it too may be days before failure. I could most likely get a NOS drive on ebay, but shipping from another country takes time (especially around Christmas).
Also, the laptop was not mine, and the owner did not want to spend money on a new drive and wait for it to arrive.
Yea, but continue chopping long enough and maybe the hydra will overflow and die. Hopefully it's only 16 or 32 bit, because if it's 128bit then it will take a long time.
MHDD works best for me for testing the drive. Spinrite (and ddrescue) is good for data recovery, but not that good for testing. I had one drive that have a lot of sectors that were good, except that the drive took 10-30 seconds to read them making the PC extremely slow (Windows would drop to PIO mode and be slow even when reading the good sectors).Chkdsk didn't detect anything, Spinrite didn't detect anything, only mhdd showed lots of slow sectors (I later made a list and manually marked them as bad, getting a 2.5" IDE drive is not that easy or fast, so it will have to do until then).
Not everyone offers flac or wav downloads, there are some music that is only available as mp3 on TPB, not flac. So, in some cases, buying the CD gets higher quality. Buying the record almost always gets higher quality, not because of some inherent quality of the record, but because the record was made before everyone started compressing the dynamic range to 3dB and re-releases on CD are usually compressed.
I go to local concerts only - I don't go to a concert in another country (well, if I was in that country for other reasons then I probably would go).
However, sometimes I cannot find the record that I want for sale, so I either have to borrow and copy it to tape or download a pirate copy.
I don't really download any music anymore. But the point remains - even if piracy was completely stopped tomorrow I would not be buying more records or CDs - not unless I robbed a bank or something.
Concerts, Umm... well if I can get all their music for free why would I pay to go to a concert ?
I go to concerts. One of my favorite musicians only sells his CDs at a concert (but has free downloads and links to youtube with his songs on his site). I went to the concert and bought the CD so I would have a higher quality copy and so I could see him perform live (the concert).
I go to about 10 concerts a year, even though I probably have the records or files (or at least could get them if I wanted). I also buy records, tapes and CDs. The piracy is just an addition - I would not buy more records if I couldn't download anything (because I already spend as much as I can on records and currently have about 500 of them (and 200 cassettes, but a lot of those are pirated, mostly because I could not find the records for sale, so I had to borrow and copy them)).
I got 32MB/s with all the other torrents paused (so they don't overload the hard drive). The upload speed is only 1MB/s - nobody wants to download from me...
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Can you show me which lines do x?
From what I have seen in the university this question trips up a lot of people, especially those who either googled/memorized the code and just typed it up or got a friend to do it. And this was for extremely simple stuff, like "put these two numbers (0 - 15) in a single byte so that bits 0-3 are number1 and bits 4-7 are number2".
If you care, search the internets about prisons, correction facilities, etc.. in countries around the world (hint Europe).
I live in Europe :) Yes, the prisons in my country are not as full as those of the US, but violent crime happens (either the criminal working alone or doing a job for a criminal organizaion). There are a few cases where a criminal killed an old man/woman for their money (usually a small sum, like $50, or for a bottle of vodka) and the criminals do not have a lot of problems killing an old person with a knife (or some other object) or just their bare hands.
Life in prison is too easy for the criminals - they have TVs, some even computers and complain that they do not get enough vitamins. The government should bring the Soviet style prisons back - poor living conditions, lots of work etc, so that the criminal would think twice about returning.
Everyone needs to take precautions - I lock my car, do not leave anything even remotely valuable (like a cigarette pack) visible from the outside, especially if parking in an area with bad/unknown reputation etc. Too bad owning a gun is quite difficult, if my home gets invaded, the only hope for me to defend myself is to be able to get to where I keep the battery acid, pour some of it in a container with a large opening and then try to get it on the attackers face and hope the 33% or whatever concentration is enough to make him stop (instead of just making him angry).
What the "arm the teachers" advocates seem to want to ignore is how badly people - even trained combat infantry troops - shoot when under pressure. Folks that can constantly hit targets on the range, get one shot kills when hunting, etc will have very bad hit rates when someone is shooting back. Most of the return fire will miss and can (will often?) lead to some additional casualties when the return fire hits someone that is behind the target. This badly reduced accuracy while under duress issue is totally missed by many folks.
Which is why you train the teachers to use the guns properly. It certainly would be better than the current strategy of waiting until the perp runs out of bullets/targets or gets bored.
you are thinking it wrong! the problem is the thug breaking into the house. you fight this by changing the mentality (education) of people, not by giving them guns.
Yes, robbery, rape, murder happens only because the poor perps did not know that it was a bad thing. That is why if they get out of prison they never commit crimes again.
Do you have prisons in those civilized countries? Are there any convicted rapists or murderers serving time there? If so, why do you keep them there - just explain that what they did was wrong and let them out.
I just happens so rarely that it is NOT a problem.
Well, unless it happens to you, though I guess if it happens to you then it is less likely to happen o me, maybe it really is not a problem.
... for paid DVDs?
The pirates already do. You can buy the DVD, then download a fixed version. Or you can use a player tat can skip those unskippable ads.
Or the ad blocker could download the ad but just not show it.
How is blocking ads net neutrality?
Because it's under user control. Or do you believe that net neutrality is only achieved if the ISP refuses to block anything, even at he request of the user? No spam blockers, no virus attack blockers, no DDoS prevention for your server, nothing.
ISP should offer two services:
1. Dumb data pipe.
2. Optional (entirely under user control) firewalling or content filtering of the data that is in tat pipe.
Not everyone can figure out how to block access to porn (or at least in such a way that their kids would not be able to circumvent it easily) or filter spam or properly configure a firewall. The ISP should offer a service of firewall, blocking, QoS* etc, but also provide a way for user to say "No, just give me the packets without tampering with them"
When I had DSL, I would have liked very much if I could assign lower priority on my torrents so that they do not clog my connection. I could do prioritize packets while uploading them, but I could not do anything about downloaded packets (since if the packet is in my router it already passed the bottleneck). It would have been nice if I could tell my ISP to prioritize games and HTTP over torrents.
When the ISP does this over the entire network (prioritizing someone elses HTTP over my torrents) it's annoying, but I would have liked to have a way of prioritizing my own HTTP over my own torrents.
As long as the user can disable the block it is an additional service in my opinion.
For example, my ISP gives external unfiltered IPs, but for an additional (small) fee I could get them to block incoming connections (like a firewall). This is useless for me, since I run some services that need to accept outside connections, but for a grandma who does not use torrents or run any servers, the service provides additional security without the need to configure a router/firewall.
The thing is, if the market is competitive, blocking p2p or youtube will just make your customers go to a different ISP (especially the ones who use premium plans). However, blocking ads may be seen as an additional service while at the same time saving bandwidth (especially if the ISP does not cache web pages). Oh, and some ads can infect the PC with malware.
Yea, this. Doing math in little steps (and showing work) is needed, but not when the problem is too easy. Give a harder (or at least longer, with more parts) problem and you will see more students splitting it into parts.
Here's a math question for you: what are the chances I correctly guessed an answer between, say, 1 and 10, on ten questions in a row?
Well, maybe you bruteforced the answer instead of just guessing it (and not checking your guess).
Who the hell knows how big a newton is??
A newton is approximately the weight of a 100g mass object on Earth (actually 100g weighs 0.981N).
100kPa is approximately 1 atmosphere (1atm is precisley 101.325kPa).
1kPa is also the approximate hydrostatic pressure of 10cm column of water, so the pump needs to be at least 10kPa to lift water to 1m height.
Or, you know, I could just use a tape measure (I have one that's 100m long) for short distances or GPS/maps for longer distances (a few kilometers or more).
And it also means that dividing by it you get a really long (or infinite) decimal fraction that you will most likely truncate because the original measurement was not that precise. Then if someone converts that back, you get additional inaccuracies.
Fractions by themselves are not difficult, but they do add difficulty, especially when you have a stacked fraction.
4 ft 4 3/16 inch translates to 4+(4+3/16)/12 ft or 4*12+3/16inch. I need to do at least one division and a multiplication or another division with numbers that are not that easy to multiply or divide (12, 16).
On the other hand, using decimal system it would be simpler - 55inch, 5.5deciinch or 0.55kiloinch.
Good theory, but what's the real world infection rate of Windows to Linux? 10^3? 10^4? Even given the bigger install base of around 10^1, that's bad.
Because nobody tries to do it. I mean if you were a malware writer, would you spend time to create a new malware that is compatible with 1% of desktops or 90% of desktops?
While Linux, by default, has higher system security (as users do not run as root, though the same is true for Windows Vista and up too), user security is the same. "rm -rf ~/" works quite well even from limited users account. On the other hand, "rootkits" were first developed for Linux...
Linux is also great on desktops. I know, because I've been using it as my primary desktop OS for years. I've also set up Linux desktops for peers seniors, and adolescents. They're not programmers, and neither am I. Many of these setups I never see again after I set them up.
I am also using Linux on a desktop at work. Disregarding the fact about games, Linux still has problems on desktop, for example, watching a youtube video on full screen is rather slow. Again, at work it's not a problem.
You already know that Linux abounds on servers, and again, we're talking about real world. Just because malware exists for platforms other than Windows, doesn't make it a comparable problem.
I'm sure that the infection rate of Windows servers is rather low too. As for Android, it is a form of Linux with high market share. Android is also more restricted than desktop-Linux, so if malware authors figured out how to infect it, then infecting desktop Linux would also be easy if it was worth infecting...
Next comes the problem of finding, downloading and installing drivers, basic usability software (like a web browser), removing crapware if you happen to be working with an OEM image, and fixing all the insane defaults.
Drivers are usually available at the manufacturers web site - unless the hardware is very old or unusual. Then again, to make a RS422 card work on Linux I had to edit the source of the drivers because they would not compile on Debian 5 (when it was current).
For software - basic software can be installed quickly using http://ninite.com/>Ninite
For defaults - that's what nLite is for - to make your own defaults.
In the real world, most Linux-compatible software comes with the source code, while for Windows it does not.
And usually you do not need to run a 20 year old program on a new computer. That is usually limited to very expensive software that is not updated anymore (or the company wants you to buy the new version for a lot of money), but the old version still works. That usually does not come with source code regardless of the OS. Still, old binaries run quite well on Windows XP or 7 (two currently most popular desktop versions). Besides, even if the source is available, if "./configure & make && make install" fails most users would not know what to do, unless the error message told them to install some package and that package did not conflict with a (newer) package already on the system.
Yes, Linux is great on servers. Or on supercomputers, where they have a programmer team to make it work. However, we are talking about desktop.
Malware problem - Linux is not immune to it, unless it somehow forbids one from running cutekittens.sh they got in an email attachment. The only reason why there is little malware on Linux is because Linux has a tiny desktop market share, so it is not worth the effort to create malware for it. However, if the market share increasess there will be malware, just look as MacOS or Android.
It takes 4 hours of expert service to take a Windows machine from "retail" to "usable" condition.
Just install a fresh copy of Windows if possible. That takes time, but not a lot of "active" time.
It has a built-in fragmentation where it's even not compatible with the oldest versions of itself, and while new features and their own applications like the browser could be backported older versions are not to keep the treadmill moving.
I can take a Windows 3.0 program and run it on XP or 7 (either the 32bit version or in XP mode). Can I do the same with a 20 year old Linux binary? No, recompiling is not an option, because if the source was available, then it would make running old software on Windows also easier. Hell, even drivers are usually compatible across Windows versions (NT4, 2000 drivers work on XP; Vista drivers work on 7, some 2000 drivers work on 7 too).
Windows may not work correctly straight after install, but is is quite easy to make it work (install drivers etc). On the other hand, Linux either works perfectly or there pretty much is no hope of making it work (incompatible/too new hardware, incompatible drivers etc) unless you are a programmer and can edit and recompile the whatever service that does not work.
ROM-installed software (no source code available)
Maybe it was written in asm then there would not really be any source...
Those computer can most likely be repaired more easily than modern ones - my 286 has a lot of common chips (mainly 74LS or 74F series) and uses low frequencies (low enough to see with my 100MHz scope) so if a chip fails it is possible that I could replace it.
Yes, your former employer will have to replace the system some time in the future, but it could be in 10 years or maybe he will no longer need that system.
Also, the economy is such that I would not quit unless there were bigger problems than having to maintain old hardware, because it may be that I won't be able to find a job for quite some time.
My boss understands it, this however, was not for him, but for a friend of the family. I made the hard drive work, told him that the drive can fail at any time now and said that the next time he most likely will need a new drive as this one will have failed completely. The laptop does not hold any valuable data, it is just used for repairing cars, even if the drive fails, he will only have the inconvenience of the time it takes me to find a working drive and install Windows.
And I got some experience and the knowledge of how to manually mark clusters as bad in FAT32 filesystem.
And yes, I've had to nurse along antique hardware too. Not fun.
In some cases it is even more fun that playing with brand new hardware. I would not have repaired a motherboard with a 286 if it wasn't fun.
Oh, the stores have lots of 2.5" SATA drives, but no 2.5" IDE drives. While it is possible to use an adapter to connect a SATA drive to an IDE bus, that adapter does not fit inside a laptop along with the SATA drive.
No point in buying an old used drive, since it too may be days before failure. I could most likely get a NOS drive on ebay, but shipping from another country takes time (especially around Christmas).
Also, the laptop was not mine, and the owner did not want to spend money on a new drive and wait for it to arrive.
Yea, but continue chopping long enough and maybe the hydra will overflow and die. Hopefully it's only 16 or 32 bit, because if it's 128bit then it will take a long time.
MHDD works best for me for testing the drive. Spinrite (and ddrescue) is good for data recovery, but not that good for testing. I had one drive that have a lot of sectors that were good, except that the drive took 10-30 seconds to read them making the PC extremely slow (Windows would drop to PIO mode and be slow even when reading the good sectors).Chkdsk didn't detect anything, Spinrite didn't detect anything, only mhdd showed lots of slow sectors (I later made a list and manually marked them as bad, getting a 2.5" IDE drive is not that easy or fast, so it will have to do until then).
Not everyone offers flac or wav downloads, there are some music that is only available as mp3 on TPB, not flac.
So, in some cases, buying the CD gets higher quality. Buying the record almost always gets higher quality, not because of some inherent quality of the record, but because the record was made before everyone started compressing the dynamic range to 3dB and re-releases on CD are usually compressed.
I go to local concerts only - I don't go to a concert in another country (well, if I was in that country for other reasons then I probably would go).
However, sometimes I cannot find the record that I want for sale, so I either have to borrow and copy it to tape or download a pirate copy.
I don't really download any music anymore. But the point remains - even if piracy was completely stopped tomorrow I would not be buying more records or CDs - not unless I robbed a bank or something.
Concerts, Umm... well if I can get all their music for free why would I pay to go to a concert ?
I go to concerts. One of my favorite musicians only sells his CDs at a concert (but has free downloads and links to youtube with his songs on his site). I went to the concert and bought the CD so I would have a higher quality copy and so I could see him perform live (the concert).
I go to about 10 concerts a year, even though I probably have the records or files (or at least could get them if I wanted). I also buy records, tapes and CDs. The piracy is just an addition - I would not buy more records if I couldn't download anything (because I already spend as much as I can on records and currently have about 500 of them (and 200 cassettes, but a lot of those are pirated, mostly because I could not find the records for sale, so I had to borrow and copy them)).
I got 32MB/s with all the other torrents paused (so they don't overload the hard drive). The upload speed is only 1MB/s - nobody wants to download from me...