When I first graduated and got my first job, during down times I would read up on multi-threading and database optimizations because it was interesting. As new projects have come up, I have applied what I learned to make some code go from minutes to seconds with correct results.
Many times I get stuck on something and I just open up my favorite game forum and veg for 2-3 minutes. It's enough time to usually come back and view my problem a-new and figure it out.
In Wisconsin, you can drive through a stop light if after 45 seconds the light hasn't changed, it's safe to do so, and you have reasonable belief it uses a sensor (the big square cut outs on the ground) assuming on a bicycle/motorcycle of the sort.
Is 20 Celsius twice as hot as 10 Celsius? No. Twenty Kelvin, though, is twice as hot as ten.
This is just flat out false. The scale was purposefully defined so that a 1 degree change in Kelvin is the same magnitude as 1 degree change in Celcius. That is why there is still a 100 degree difference between the freezing point of water (273K) and it's boiling point (373K). All in all, this is some mega fail.
I think you got too excited with all the arguments. "Is 20 Celsius twice as hot as 10 Celsius? No. Twenty Kelvin, though, is twice as hot as ten." is true. You're thinking "difference". Every difference of 10K is not twice as much energy, but 20K is 2xs warmer than 10K.
Kelvin is superior in every way, but I'm not use to using it as a daily reference to what I perceive as temperature.
If you are calling me then I have a right to know who you are AFAIC.
I disagree. Just enable call blocking for blocked IDs. Every phone service I've seen lets you block calls from blocked IDs before you phone even rings.
I can't wait for the wimax crap to kick in on the new digital frequencies.
Part of the contract for whomever bought the multi-billion dollar digital channel was to offer nation wide FREE wireless internet. Since it has to be "broadband", this means it has to qualify for the governments version of "broadband" which is ~386kbits right now and about to go up.
If companies charge too much for extra "fluff" like ESPN crap, they won't be able to compete with the free wireless internet you can get anywhere
Maybe I'm paying for Netflix HD and each movie is ~3GB (3600kbps bitrate) each and Watching 1 movie each night put me up to 100GB. How do I still have bandwidth left to download my linux ISO, my online back-ups, and Windows Patches?
I bought a celeron 300a when they were popular. Dropped it on my new mobo, set fsb to 133, booted up the first time and it was 450mhz. never changed anything except thee fsb. You must've had back luck. I had 4 other friends do the same thing and all got 450mhz without tuning anything, BX chipset was teh sex
Reminds me of when I signed up for a free magazine online. It was a reputable magazine so I wasn't worried about spam. Anyway, it said 'free' and as long as something says free and never asks for my Credit Card, I have no issues.
Anyway, after the first free edition, they sent several more. After 3 months they sent me a bill and said to pay up. Called them and said F.U. it wasn't me. Other than a name and address, they had nothing on me.
Hardee's releases a double 2/3lb thick burger. remember that single 2/3lb thick burger that made you feel so full you wanted to vomit? We've doubled it!
120hz may be less annoying, but the only 60hz screen i can look at is an LCD since it's a constant on. By using a shutter to 'flash' the screen at your eyes, this is going cause eye strain because it will be somewhat simular to a CRT.
While a CRT scans the screen vs this flashing the entire screen at once, it may not be as bad as I think it would.
Server Admins are getting paid to 'watch' the servers. They have plenty of pseudo-free time. It's when stuff is breaking that they're busy. Not to mention a good admin in large server area will have software like that person had to watch drive latency.
I'm not an engineer or absolutely sure about how the brain works with white noise, but I had a job that I worked at that when I entered the freezer section, it didn't seem loud at all. Actually, it so much didn't seem loud that the few times I had to enter it, I forgot my ear plugs until I saw someone else using them.
Anyway, even though you couldn't really hear anything 'loud', if you tried to talk to anyway, you could barely hear them.
On to my question. If you have enough high amplitude random noise that is effectively destructive interference, would this make an enviorment where low amplitude sound could not be hear or even mechanically sensed easily?
I know using 'heard' may be incorrect in this context because perceived sound usually has no direct relation with what's mechanically going on with the sound waves.
because me playing Doom/Quake/Quake2/Quake3/UT/Counter-strike 4-14hours/day from 11-21 years old hasn't already done something?
Some people are addicted to social activities and have to be at every party/bar and spend 20-30 years trying to be 'cool' in other people's eye and have gained the ability to be as mentally sharp as a marble.
or you have the gamer who spends untold amount of time playing video games online with other people and have acquired strong reasoning and reactions from playing games with strategy and reflexive sharpening.
reverse sterotyping?
anyway, there was an article about how kids who play large amount of online games for non-addictive reasons actually had BETTER socializing skills, BETTER reasoning skills, and MORE creative problem solving skills than the average non-gamer who 'socialized' in real life.
but do you get 1337 hacking skills with all of that?
Once you've played one FPS, you've played them all. Starting with Wolfenstein to playing Counter-Strike 10 hours/day for a few year. Eventually I got to the point where I would automatically react faster than I could consciously keep up.
My conscious mind would literally be lagging behind my reactions. I could hear a sound, turn around, make a decision if it's friend or foe. All of this in a fraction of a second and I could be half-way asleep.
FPS are fun because of always pushing your limits, but they were the main games for a while and MMORPGs were a nice change of pace. I'll eventually go back.
so "64-bit VM inside a 32-bit host" means a 64 bit VM running a 32-bit OS running on 64bit hardware?
Who would run a 32bit server OS on 64bit hardware? 1. you're still limited to the MAX memory the host OS can access 2. If I remember correctly, in order for MMX to work, the OS must recognize the instructions. So in order for a 64-bit VM to run on a 32-bit OS using native 64-bit instructions, the host 32-bit OS must recognize the 64-bit instructions.. what?
sounds like a useless feature to me.
unless they're a layer of emulation and it's not truly 64-bit but makes the OS inside the the VM think it is while emulating. but then you come back to, how does the 64-bit VM emulate atomic 64-bit operations on 32-bit instructions and not have race issues in multi threaded programs
more than likely, there's something I'm not understanding and forgive me if I sound rude. I just want you to see where I'm coming from so you can help explain it better to me.
"but one of the most interesting is the ability to run a 64-bit VM inside a 32-bit host"
I wonder how it handles 64bit 'atomic' operations in multithreaded programs. Being that what might be atomic on a 64bit machine may not be atomic on a 32bit machine and cause a race condition
"In any case, waste heat generated by electronics is salutary, so long as the electronics are being used for their primary purpose as well."
outside of wear and tear, it cots the same to run a computer to heat up a room as it does a radiator. Since 100% of the computer power consumption is inefficiency that goes directly into heat, it costs me to the same to boil water with my electric stove, or cook something in the oven, or run the T.V., or use a blow dry, or run an electric radiator.
If you're trying to heat up a room with electricity, it is EXACTLY the same for all electric devices.
When I'm not running much in my apartment, I will put my electric radiator on low, but if I plan to cook something, I will turn it off since I know the oven/stove will warm stuff up fast and for the same price.
I even leave my oven closed after using it during the winter because if all the hot air got out, it would float to the ceiling where I would not feel it, also thermal energy transfers faster with a large gradient, so keeping the oven closed reduces the gradient and also converts more of the heat into short wave radiation that will stay in the apartment longer. During the summer I open the over so the hot air will go up stairs instead of infrared heating my kitchen.
" "Modern computers are designed to handle 40,000 on/off cycles before failure, and you're not likely to approach that number during the average computer's five to seven year life span."
Too bad all major HD manufactures claim 10,000 power cycles, and many power saving settings will turn off a HD w/o doing anything else. Which means you may have many more than 1 HD power cycle per computer power cycle.
"some studies indicate it would require on/off cycling every five minutes to harm the hard drive."
over how much time, because if you did this continuously, you would kill a harddrive in less than 35 days since you would have eat'n all 10,000 average power cycles.
" "Well I never leave it on at night because I know that it makes the computer die quicker" and some people say "Well I never turn it off because I want it to last longer." I think the truth is that modern hardware really can handle both philosophies and it's just a matter of convenience vs. power costs at this point."
The average harddrive mean time between failure is something like 150 years or 10,000 on/off cycles.
According to HD manufacturers a HD takes ~0 wear&tear while running. Turn on power savings and set it to 1/2 hour, HH shuts down ~8 times a day. Average failure is about once every 3-4 years. Turn on a harddrive once and never turn it off, average failure about once very 150 years. How much is your data worth?
I have an old AthlonaXP 2500+ with 1gig ram, 5900fx, 17" crt, and a 550wat-rms 5.1 sound system.
I hooked my PC up to two different batter back-ups, with my stereo system also, and both claimed 150watt pull when playing video games and the stereo at 1/2 volume(crazy loud).
Not only that, but according to my APC UPS, I should get 30-40min of up time running at 150watts. I let my computer run solely on battery back-up playing games, and I got it to run 30 minutes before my 5min warning popped up.
My video car alone claims 150 watts and my monitor claims 100 watts and my stereo claims something much higher and my cpu I think was ranked for ~60watts draw and my harddrive should take about 5-10.
I have a feeling they over rate how much power stuff pulls.
Most of the lack of craftable gear is because they're still in the process of balancing. They have stated 'many' times that they will look into any balance issues once enough of the WoW population has raided and what issues they get from that data. There problem right now is that a VERY large percentage of WoW players are sub 80 and the people who have raided thus far and have raided in beta are considered "elite" and you can't balance a game around a minority.
It is hard to make gear when you're not sure about what a class is lacking and what is making a class over powered.
eg. Block value and block rating scale VERY fast for warriors, so blizz has mostly strength with gives attack power and block. Very little gear/items have strait block value and almost nothing has block rating. If blizz stacked strait block value and rating, warriors would take almost no damage against melee mobs and would still put out nearly the same threat.
#1. cargo cult programming
#2. people bound to a language instead of logic
#3. not knowing why using an unsigned int in a for loop is faster than a signed
#4. using linked lists when an array would do just fine(CPU prefetch unit can't prefetch well with linked lists)
#5a. Unable to make multithreaded programs that always work(omg! my program works on my single/hyper-threaded cpu..)
#5b. programmers that don't know why hyper-threaded cpus won't truely show all SMP bugs
#6. SQL queries that take 10 minutes instead of 10 miliseconds
It's not just about making something work, but knowing why it worked and what way works best
I will have to agree. "Patent", "reformatted (read: transformation)", and "XML" should never all be in the same paragraph.
"We've patented a way to transform XML!"
Ever hear of "Extensible Stylesheet Language Transformations" A.K.A. XSLT
Slashdot Mirror
When I first graduated and got my first job, during down times I would read up on multi-threading and database optimizations because it was interesting. As new projects have come up, I have applied what I learned to make some code go from minutes to seconds with correct results.
Many times I get stuck on something and I just open up my favorite game forum and veg for 2-3 minutes. It's enough time to usually come back and view my problem a-new and figure it out.
In Wisconsin, you can drive through a stop light if after 45 seconds the light hasn't changed, it's safe to do so, and you have reasonable belief it uses a sensor (the big square cut outs on the ground) assuming on a bicycle/motorcycle of the sort.
Is 20 Celsius twice as hot as 10 Celsius? No. Twenty Kelvin, though, is twice as hot as ten.
This is just flat out false. The scale was purposefully defined so that a 1 degree change in Kelvin is the same magnitude as 1 degree change in Celcius. That is why there is still a 100 degree difference between the freezing point of water (273K) and it's boiling point (373K). All in all, this is some mega fail.
I think you got too excited with all the arguments. "Is 20 Celsius twice as hot as 10 Celsius? No. Twenty Kelvin, though, is twice as hot as ten." is true. You're thinking "difference". Every difference of 10K is not twice as much energy, but 20K is 2xs warmer than 10K.
Kelvin is superior in every way, but I'm not use to using it as a daily reference to what I perceive as temperature.
If you are calling me then I have a right to know who you are AFAIC.
I disagree. Just enable call blocking for blocked IDs. Every phone service I've seen lets you block calls from blocked IDs before you phone even rings.
I can't wait for the wimax crap to kick in on the new digital frequencies.
Part of the contract for whomever bought the multi-billion dollar digital channel was to offer nation wide FREE wireless internet. Since it has to be "broadband", this means it has to qualify for the governments version of "broadband" which is ~386kbits right now and about to go up.
If companies charge too much for extra "fluff" like ESPN crap, they won't be able to compete with the free wireless internet you can get anywhere
Maybe I'm paying for Netflix HD and each movie is ~3GB (3600kbps bitrate) each and Watching 1 movie each night put me up to 100GB. How do I still have bandwidth left to download my linux ISO, my online back-ups, and Windows Patches?
these are all "residential Internet use"
I bought a celeron 300a when they were popular. Dropped it on my new mobo, set fsb to 133, booted up the first time and it was 450mhz. never changed anything except thee fsb. You must've had back luck. I had 4 other friends do the same thing and all got 450mhz without tuning anything, BX chipset was teh sex
I thought a lot of these small 'forces' were caused by exchanges of small amounts of sub-atomic particles between the not-so-sub-atomic particles.
whether or not my reasoning is correct, would the strong force/etc be 'sucked' in by the gravitational collapse and leave it a moot point?
someone with more info of the subject please point me in the right direction.
Reminds me of when I signed up for a free magazine online. It was a reputable magazine so I wasn't worried about spam. Anyway, it said 'free' and as long as something says free and never asks for my Credit Card, I have no issues.
Anyway, after the first free edition, they sent several more. After 3 months they sent me a bill and said to pay up. Called them and said F.U. it wasn't me. Other than a name and address, they had nothing on me.
Fake News!
Hardee's releases a double 2/3lb thick burger. remember that single 2/3lb thick burger that made you feel so full you wanted to vomit? We've doubled it!
P.S. the SLI bridge is a PCIe link
120hz may be less annoying, but the only 60hz screen i can look at is an LCD since it's a constant on. By using a shutter to 'flash' the screen at your eyes, this is going cause eye strain because it will be somewhat simular to a CRT.
While a CRT scans the screen vs this flashing the entire screen at once, it may not be as bad as I think it would.
because all server admins are busy 24/7?
Server Admins are getting paid to 'watch' the servers. They have plenty of pseudo-free time. It's when stuff is breaking that they're busy. Not to mention a good admin in large server area will have software like that person had to watch drive latency.
I'm not an engineer or absolutely sure about how the brain works with white noise, but I had a job that I worked at that when I entered the freezer section, it didn't seem loud at all. Actually, it so much didn't seem loud that the few times I had to enter it, I forgot my ear plugs until I saw someone else using them.
Anyway, even though you couldn't really hear anything 'loud', if you tried to talk to anyway, you could barely hear them.
On to my question. If you have enough high amplitude random noise that is effectively destructive interference, would this make an enviorment where low amplitude sound could not be hear or even mechanically sensed easily?
I know using 'heard' may be incorrect in this context because perceived sound usually has no direct relation with what's mechanically going on with the sound waves.
because me playing Doom/Quake/Quake2/Quake3/UT/Counter-strike 4-14hours/day from 11-21 years old hasn't already done something?
Some people are addicted to social activities and have to be at every party/bar and spend 20-30 years trying to be 'cool' in other people's eye and have gained the ability to be as mentally sharp as a marble.
or you have the gamer who spends untold amount of time playing video games online with other people and have acquired strong reasoning and reactions from playing games with strategy and reflexive sharpening.
reverse sterotyping?
anyway, there was an article about how kids who play large amount of online games for non-addictive reasons actually had BETTER socializing skills, BETTER reasoning skills, and MORE creative problem solving skills than the average non-gamer who 'socialized' in real life.
but do you get 1337 hacking skills with all of that?
Once you've played one FPS, you've played them all. Starting with Wolfenstein to playing Counter-Strike 10 hours/day for a few year. Eventually I got to the point where I would automatically react faster than I could consciously keep up.
My conscious mind would literally be lagging behind my reactions. I could hear a sound, turn around, make a decision if it's friend or foe. All of this in a fraction of a second and I could be half-way asleep.
FPS are fun because of always pushing your limits, but they were the main games for a while and MMORPGs were a nice change of pace. I'll eventually go back.
blizz only counts unique active accounts that are being paid for
so "64-bit VM inside a 32-bit host" means a 64 bit VM running a 32-bit OS running on 64bit hardware?
Who would run a 32bit server OS on 64bit hardware?
1. you're still limited to the MAX memory the host OS can access
2. If I remember correctly, in order for MMX to work, the OS must recognize the instructions. So in order for a 64-bit VM to run on a 32-bit OS using native 64-bit instructions, the host 32-bit OS must recognize the 64-bit instructions.. what?
sounds like a useless feature to me.
unless they're a layer of emulation and it's not truly 64-bit but makes the OS inside the the VM think it is while emulating. but then you come back to, how does the 64-bit VM emulate atomic 64-bit operations on 32-bit instructions and not have race issues in multi threaded programs
more than likely, there's something I'm not understanding and forgive me if I sound rude. I just want you to see where I'm coming from so you can help explain it better to me.
"but one of the most interesting is the ability to run a 64-bit VM inside a 32-bit host"
I wonder how it handles 64bit 'atomic' operations in multithreaded programs. Being that what might be atomic on a 64bit machine may not be atomic on a 32bit machine and cause a race condition
"In any case, waste heat generated by electronics is salutary, so long as the electronics are being used for their primary purpose as well."
outside of wear and tear, it cots the same to run a computer to heat up a room as it does a radiator. Since 100% of the computer power consumption is inefficiency that goes directly into heat, it costs me to the same to boil water with my electric stove, or cook something in the oven, or run the T.V., or use a blow dry, or run an electric radiator.
If you're trying to heat up a room with electricity, it is EXACTLY the same for all electric devices.
When I'm not running much in my apartment, I will put my electric radiator on low, but if I plan to cook something, I will turn it off since I know the oven/stove will warm stuff up fast and for the same price.
I even leave my oven closed after using it during the winter because if all the hot air got out, it would float to the ceiling where I would not feel it, also thermal energy transfers faster with a large gradient, so keeping the oven closed reduces the gradient and also converts more of the heat into short wave radiation that will stay in the apartment longer. During the summer I open the over so the hot air will go up stairs instead of infrared heating my kitchen.
" "Modern computers are designed to handle 40,000 on/off cycles before failure, and you're not likely to approach that number during the average computer's five to seven year life span."
Too bad all major HD manufactures claim 10,000 power cycles, and many power saving settings will turn off a HD w/o doing anything else. Which means you may have many more than 1 HD power cycle per computer power cycle.
"some studies indicate it would require on/off cycling every five minutes to harm the hard drive."
over how much time, because if you did this continuously, you would kill a harddrive in less than 35 days since you would have eat'n all 10,000 average power cycles.
" "Well I never leave it on at night because I know that it makes the computer die quicker" and some people say "Well I never turn it off because I want it to last longer." I think the truth is that modern hardware really can handle both philosophies and it's just a matter of convenience vs. power costs at this point."
The average harddrive mean time between failure is something like 150 years or 10,000 on/off cycles.
According to HD manufacturers a HD takes ~0 wear&tear while running. Turn on power savings and set it to 1/2 hour, HH shuts down ~8 times a day. Average failure is about once every 3-4 years. Turn on a harddrive once and never turn it off, average failure about once very 150 years. How much is your data worth?
I have an old AthlonaXP 2500+ with 1gig ram, 5900fx, 17" crt, and a 550wat-rms 5.1 sound system.
I hooked my PC up to two different batter back-ups, with my stereo system also, and both claimed 150watt pull when playing video games and the stereo at 1/2 volume(crazy loud).
Not only that, but according to my APC UPS, I should get 30-40min of up time running at 150watts. I let my computer run solely on battery back-up playing games, and I got it to run 30 minutes before my 5min warning popped up.
My video car alone claims 150 watts and my monitor claims 100 watts and my stereo claims something much higher and my cpu I think was ranked for ~60watts draw and my harddrive should take about 5-10.
I have a feeling they over rate how much power stuff pulls.
Most of the lack of craftable gear is because they're still in the process of balancing. They have stated 'many' times that they will look into any balance issues once enough of the WoW population has raided and what issues they get from that data. There problem right now is that a VERY large percentage of WoW players are sub 80 and the people who have raided thus far and have raided in beta are considered "elite" and you can't balance a game around a minority.
It is hard to make gear when you're not sure about what a class is lacking and what is making a class over powered.
eg. Block value and block rating scale VERY fast for warriors, so blizz has mostly strength with gives attack power and block. Very little gear/items have strait block value and almost nothing has block rating. If blizz stacked strait block value and rating, warriors would take almost no damage against melee mobs and would still put out nearly the same threat.
Bad teachers gets you
#1. cargo cult programming
#2. people bound to a language instead of logic
#3. not knowing why using an unsigned int in a for loop is faster than a signed
#4. using linked lists when an array would do just fine(CPU prefetch unit can't prefetch well with linked lists)
#5a. Unable to make multithreaded programs that always work(omg! my program works on my single/hyper-threaded cpu..)
#5b. programmers that don't know why hyper-threaded cpus won't truely show all SMP bugs
#6. SQL queries that take 10 minutes instead of 10 miliseconds
It's not just about making something work, but knowing why it worked and what way works best
I will have to agree. "Patent", "reformatted (read: transformation)", and "XML" should never all be in the same paragraph. "We've patented a way to transform XML!" Ever hear of "Extensible Stylesheet Language Transformations" A.K.A. XSLT