"Um, they actually teach those things in my country"
I meant putting more hours into those things rather than differentiation.
"Imaginary numbers are not taught under university "
oh they are here. I'm sure there's cruft in almost any countries math courses.
"But as time progresses, students specialize more and more, so I do not see this as a huge problem. Also, it is quite common that young people do not realize what they really want to do at about their 20th birthday."
The kids who know exactly what they want to do shouldn't suffer for the ones who have an inability to make an decisions. If you really detest math and have no talent for it you're not going to go into a maths based profession unless you're a reall glutton for punishment.
a lot of math is useless to most people but the early basic stuff is utterly essential.
You'd also have to make sure the kids who *want* to do math can keep doing it since they're the ones who are going to go on to be the engineers, statisticians, mathematicians etc.
Languages? Insanely useful in many ways. practical skills like woodworking or metalworking? Grammar and history are probably more useful than imaginary numbers whatever else you could say about them.
In mathematics the basics are not about being directly important. They prepare your mind for the harder stuff. One of the basic things to learn is exactly that there are things that are NOT easily translated into direct day-to-day practice, but this doesn't mean they are useless. Mathematics is all about abstraction and manipulation of symbols.
Which is fantastic if you're ever likely to go into a math related profession. For everyone else, far less useful.
The same without forcing kids to waste huge numbers of hours. Let them use those hours learning something else(I know, I know, it's heresy to suggest that other subjects might be more useful than math for some people.) rather than pissing their time away on something they don't need.
All the nonsense with the anti-vaccine says Medecine is not doing ok in the public view.
Engineering has the defense that people generally don't need to know the details, merely know that the magic box works.
I'm all for investing in math education but much of it is nothing but a waste of time for the vast majority of the kids involved.
Let the kids who have no talent for math and no inclination towards math based professions drop it once they have the basics.
Knowledge of imaginary numbers and differentiation will never help them in any way shape or form. Ever. An extra few hours of languages, woodworking, literature or whatever else they're actually interested in will do them far more good.
I *am* a math nerd and I'm in a profession which uses math extensively yet I know damn well that it really is nothing more than a waste of time for most people after the basics of addition, subtraction, multiplication and division have been covered.
Throw in some percentages, fractions and probability and you've got pretty much all the math a normal person needs to get through life.
Oh it works.... most of the time... and assuming you have a really big pile of money.
though the *everyone loses* 00 slot in the wheel makes it a bad choice for roulette.
It's better than what most people do, which is the exact opposite.
"I won again? I must be having a winning streak! everything on black!"
increasing your bet every time you win(what a lot of people do) close to guarantees losing it all.
Doubling your bet every time you lose almost guarantees you'll win but you're risking orders of magnitude more than your greatest possible gains and the "almost" bit will bite you in the arse eventually.
As a long term math nerd I have to say I agree with TFA.
Most of what was taught in school was completely useless.
now that doesn't mean that kids who *want* to do math shouldn't be able to, merely that requiring everyone to learn about Complex numbers or calculus is insane.
It even harms the kids who are good at math and want to do it because the teacher has to slow down for the kids who have no talent for math, aren't going to go into a math related profession and shouldn't be forced to learn about the square roots of negative numbers or quadratic equations.
Addition, subtraction, multiplication and division. These are the only ones which are utterly essential to most people.
percentages , basic volumes and areas and very very basic probability are all I can find in the more advanced part of the curriculum with almost universal applications.
funnily enough probability wasn't a mandatory part of my math course when I was in school.
It's an acceptable tradeoff to people who like math or eventually use it. To everyone else it's a waste of time which could be spent far better learning things which might ever be useful to them.
Ya I would have thought an open wifi network connected to a little ftp server (but for fun not the internet)would make a far better dead drop. for one you wouldn't have to be so obvious about connecting to it. Sitting in a coffee shop across the street would be far less conspicuous.
it's almost trivial to OD on caffine if you're swallowing tablets of it. but it's almost impossible to OD when drinking coffee because after 10 cups or so your hands get too shaky to hold the cup and it starts to taste like death.
similarly it is perfectly possible to drink enough neat alcohol to kill you before it knocks you out but it's almost impossible to do the same with 5% beer. not counting choking on your own vomit of course.
change the way something's consumed and you can make it far far far safer. illegality tends to push the market towards highly pure, easy to transport and hide versions of drugs,
fair enough, some people have fairly horrible limits, they don't want anyone being helped until they're already in the gutter and barely surviving. and they describe their position pretty much the same way.
Sorry for assuming you were closer to that than you were.
it's a little more complex than just deciding to default but yes, as a general rule trying to kill your debtors isn't a good idea. Also china has it's own debt, who owns that?
And you'd think that if it's that sensitive the hard drives would all have blocks of thermite strapped to them to allow them to be destroyed if capture is likely. simply knowing the cipher shouldn't compromise any non-awful encryption method unless you have the keys as well.
Worst case scenario is someone might disrupt things for a few hours or a day or so while the local admins sort things out though the fact that hackers don't seem to have ever managed that yet makes me sceptical even of that. That might be enough to give one side an advantage in some kind of military conflict but is fairly useless on it's own.
China is just the current bogeyman. there's no shortage of attacks from hackers anywhere, but I'm told china used to be a good place to bounce attacks through and there probably is a certain amount of corporate espionage.
Audit your code. Don't try to tac security on at the end, build it in from the start. Don't assume that the other security layers will hold so yours isn't important.(when i was working in a large tech company this was the most common problem, everyone thought the security above or bellow their own applications or systems was secure enough that they didn't have to worry too much about it themselves) Make sure your coders know enough about the various types of attack that they know what they've got to defend against.
use Default Deny not Default Permit. don't try to Enumerate Badness. it doesn't work. Don't rely on Penetrate and Patch . it works badly. Don't expect average users to get educated about security, they only care about security enough to not get fired, they will also pick awful passwords 99% of the time and will use Pass1234 if asked for uppercase,lowercase and numbers. patch your systems.
Fire anyone who writes the domain admin password on a postit and sticks it to their monitor.
I asked you about the adults who produce these children. Not about the children themselves. I know it's easy to get emotionally caught up in the plight of the children but I said nothing about them. Intentional or not, what you're doing is a straw man.
They're effected no matter what you want. It's by no means a straw man. Punishing their parents for bad choices sounds lovely but you end up punishing people who had no choices in the matter.
How much education does it take to understand that having sex without birth control is a good way to have children?
When the far right pushes sex education out of schools and religious groups intent on avoiding letting children know about sex until they learn for themselves are extremely popular amongst poorer sections of the community?
Any. Unfortunatly kids aren't getting that.
Again you mischaracterize what I said. I am starting to think it's deliberate. Never did I advocate eugenics.
You may not like it but you did. You want poor people to not reproduce unless they stop being poor people. That's eugenics in a simple form.
And apparently determined to stay that way, regarding the poorly educated part.
That's the nature of a system which makes poverty inheritable.
Agreed. That's why I solely discussed the irresponsibility of their parents. Is this difficult to understand?
punish the parent and you punish the children.
Is this difficult to understand?
So at what point do you consider someone to have run out? The point where they declare bankruptcy and loose any chance of ever getting a mortgage or large loan or merely when they've lost their home and everything they own?
I never said you wanted to leave people starve. merely that grinding people into utter poverty isn't much better and it's highly contagious from generation to generation so it's not just them who suffer.
No I don't consider those good worlds, they were just the first few well known fictional examples I could think of where childrens lives were unaffected by their parents status. not every element of a dystopia has to be bad, I kinda liked the bit about making people smarter to create alpha++'s. Pity it was spoiled by the maiming people to make them epsilons bit.
Whether or not to spend a portion of your income on medical insurance of savings for emergencies is something under your control.
assuming you have the money to spare. A lot of people live week to week and thousands for decent medical insurance is far beyond their means by any reasonable stretch of the imagination. Worse still if they have any long term health problems.
there are cases of individuals working their way out
Possible and probable are 2 very different things. Almost every week someone wins the lottery.
The point was that the same person with the same level of drive, ambition, determination and ability born into a poor family or a rich family is likely to stay where their parents were or at best move slightly up or possibly down. The fact that the occasional genius manages to transcend their parents social status doesn't make that much better or fairer for the other 99.99% .
Think of the talent that is wasted, not the Einsteins but the merely damn bright who never get the chance at a decent education and end up working some dead end menial job who had they been born into a richer family might have done extremely well.
No circumstance affecting Bob, no matter how dire, which was not caused by Alice gives Bob the right to force Alice to support him.
I guess it comes down to a question of whether anyone has a duty to help others. If you know a child is being beaten and abused by someone else do you have any obligation to help them? To a lesser extent if a child is merely having their chances in life destroyed by their parents awful decisions do others have any obligations to help even if it's not your fault?
But I stray too far into an appeal to emotion.
I'm mostly libertarian, I'm happy to let adults succeed or fail on their own merits but I can't stand how it tends to spread to the next generation who have had no choice in the matter. particularly when "their own merits" include things which are extremely strongly affected by your parents.
The mere fact that occasionally someone manages to crawl up from the gutter doesn't prove that it's a level or fair playing field, merely that it's not impossible to succeed given the right combination of determination, intelligence, luck and opportunity.
Okay then. Children are incredibly expensive. As a responsible adult able to realistically assess my situation... why would I decide to have children when I know for a fact that I cannot provide for them a better life than what I had? Why would I reproduce and create new life when I know that I would be dooming my own children to a life of poverty, crime, and hopelessness?
it doesn't matter. that's not a choice the children involved have any part in making yet they suffer for it.
If so, don't talk about being "down on your luck".
nowhere did I talk about being "down on your luck" at all.
Am I to believe that poor people are poor because they are stupid?
no but uneducated because they are poor perhaps. A lovely little artefact of funding schools with local property taxes so that rich areas get great schools while poor neighbourhoods get awful schools.
If they are not stupid, and I don't think they are stupid, why do they care so little for their own offspring?
The drive to reproduce whatever your circumstances is fairly central to everything that is alive. Individuals which intentionally avoid reproducing no matter the reasons are quickly culled from the population. But sure, keep heading towards eugenics from a side angle.
Why are they not more responsible and more realistic about what responsibilities they are prepared to take on?
because they're poorly educated and human.
So where does this "born into poverty" thing come from, and why do we act like it's some dirty little secret that the parents (well, more like the single mothers) who perpetuate it are some of the most selfish people on Earth who clearly have children for their own gratification and not because they are ready for the awesome responsibility they represent?
Which again is no choice of the child involved. they don't get a vote in the matter.
Which is perfect if life is fair and people have control over what happens to them.
unfortunately it tends not to be. Shit quite often happens to people effectively independent of their own actions. Some drunk swerves onto the sidewalk and hits you or your home floods. That's not reasonably within your control.
If poverty wasn't a highly inheritable affliction then it would be fine.
unfortunately it tends to be. You have to be either extremely unlucky or extremely foolish or inept to be born to rich parents and then become poor. It happens all the time but only to a minority. You have to be either extremely lucky or exceptionally driven and capable to be born to poor parents and become rich.It happens all the time but only to a minority.
In a Brave New World or Logans Run style society where your chances of doing well in life are completely independent of your parents and in a fair perfect surveillance society where liability for harm could always be assigned to those responsible in a perfectly fluid economic system where everyone has perfect information, is a rational actor and can move freely your approach is completely and utterly rational and fair.
unfortunately the real world is none of those things.
People often get hurt through no fault of their own. People who grew up with shitty parents, went to a shitty school, live in a shitty neighbourhood and now have a shitty minimum wage job often simply can't afford insurance against unexpected medical problems or natural disasters so when they happen they get screwed over far harder than people who had better chances in life. Even those who have medical insurance but had to go for the cheaper option often end up screwed because the policy turns out to cover everything except what happens.
But of course that's unfair on you, the poor guy who gets injured in a hit and run should drag himself home and care for his own injuries rather than being irresponsible and going to a hospital. If he ends up with a massive medical bill it's only his fault and before he gets any help whatsoever he should declare bankruptcy and forego any chance of ever getting a loan to buy a house or start a business ever again because if the government pays his bills then that's just making you as a taxpayer an indentured servant.
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"Um, they actually teach those things in my country"
I meant putting more hours into those things rather than differentiation.
"Imaginary numbers are not taught under university "
oh they are here.
I'm sure there's cruft in almost any countries math courses.
"But as time progresses, students specialize more and more, so I do not see this as a huge problem. Also, it is quite common that young people do not realize what they really want to do at about their 20th birthday."
The kids who know exactly what they want to do shouldn't suffer for the ones who have an inability to make an decisions.
If you really detest math and have no talent for it you're not going to go into a maths based profession unless you're a reall glutton for punishment.
his books did get really creepy when he got older...
But he does have some fantastic quotes:
there's the classic
"Specialization is for insects"
look it up.
and then a few other golden ones
"Progress doesn't come from early risers -- progress is made by lazy men looking for easier ways to do things."
"The whole principle is wrong. It's like demanding that grown men live on skim milk because the baby can't have steak."
(On censorship)
"Age is not an accomplishment, and youth is not a sin."
surely you mean *after* grade 7?
a lot of math is useless to most people but the early basic stuff is utterly essential.
You'd also have to make sure the kids who *want* to do math can keep doing it since they're the ones who are going to go on to be the engineers, statisticians, mathematicians etc.
Languages? Insanely useful in many ways.
practical skills like woodworking or metalworking?
Grammar and history are probably more useful than imaginary numbers whatever else you could say about them.
In mathematics the basics are not about being directly important. They prepare your mind for the harder stuff. One of the basic things to learn is exactly that there are things that are NOT easily translated into direct day-to-day practice, but this doesn't mean they are useless. Mathematics is all about abstraction and manipulation of symbols.
Which is fantastic if you're ever likely to go into a math related profession. For everyone else, far less useful.
The same without forcing kids to waste huge numbers of hours.
Let them use those hours learning something else(I know, I know, it's heresy to suggest that other subjects might be more useful than math for some people.) rather than pissing their time away on something they don't need.
All the nonsense with the anti-vaccine says Medecine is not doing ok in the public view.
Engineering has the defense that people generally don't need to know the details, merely know that the magic box works.
I'm all for investing in math education but much of it is nothing but a waste of time for the vast majority of the kids involved.
Let the kids who have no talent for math and no inclination towards math based professions drop it once they have the basics.
Knowledge of imaginary numbers and differentiation will never help them in any way shape or form. Ever.
An extra few hours of languages, woodworking, literature or whatever else they're actually interested in will do them far more good.
I *am* a math nerd and I'm in a profession which uses math extensively yet I know damn well that it really is nothing more than a waste of time for most people after the basics of addition, subtraction, multiplication and division have been covered.
Throw in some percentages, fractions and probability and you've got pretty much all the math a normal person needs to get through life.
Oh it works.... most of the time... and assuming you have a really big pile of money.
though the *everyone loses* 00 slot in the wheel makes it a bad choice for roulette.
It's better than what most people do, which is the exact opposite.
"I won again? I must be having a winning streak! everything on black!"
increasing your bet every time you win(what a lot of people do) close to guarantees losing it all.
Doubling your bet every time you lose almost guarantees you'll win but you're risking orders of magnitude more than your greatest possible gains and the "almost" bit will bite you in the arse eventually.
As a long term math nerd I have to say I agree with TFA.
Most of what was taught in school was completely useless.
now that doesn't mean that kids who *want* to do math shouldn't be able to, merely that requiring everyone to learn about Complex numbers or calculus is insane.
It even harms the kids who are good at math and want to do it because the teacher has to slow down for the kids who have no talent for math, aren't going to go into a math related profession and shouldn't be forced to learn about the square roots of negative numbers or quadratic equations.
Addition, subtraction, multiplication and division.
These are the only ones which are utterly essential to most people.
percentages , basic volumes and areas and very very basic probability are all I can find in the more advanced part of the curriculum with almost universal applications.
funnily enough probability wasn't a mandatory part of my math course when I was in school.
It's an acceptable tradeoff to people who like math or eventually use it.
To everyone else it's a waste of time which could be spent far better learning things which might ever be useful to them.
If that's really your concern then they could mess with the USB stick in the middle of the night to log details.
MAC addresses are trivial to change, even in windows.
Ya I would have thought an open wifi network connected to a little ftp server (but for fun not the internet)would make a far better dead drop.
for one you wouldn't have to be so obvious about connecting to it.
Sitting in a coffee shop across the street would be far less conspicuous.
it's not just what you take but how you take it.
it's almost trivial to OD on caffine if you're swallowing tablets of it.
but it's almost impossible to OD when drinking coffee because after 10 cups or so your hands get too shaky to hold the cup and it starts to taste like death.
similarly it is perfectly possible to drink enough neat alcohol to kill you before it knocks you out but it's almost impossible to do the same with 5% beer.
not counting choking on your own vomit of course.
change the way something's consumed and you can make it far far far safer.
illegality tends to push the market towards highly pure, easy to transport and hide versions of drugs,
fair enough, some people have fairly horrible limits, they don't want anyone being helped until they're already in the gutter and barely surviving.
and they describe their position pretty much the same way.
Sorry for assuming you were closer to that than you were.
no, just a fan, there's one or two points in there I don't totally agree with but for the most part it makes good arguments.
it's a little more complex than just deciding to default but yes, as a general rule trying to kill your debtors isn't a good idea.
Also china has it's own debt, who owns that?
And you'd think that if it's that sensitive the hard drives would all have blocks of thermite strapped to them to allow them to be destroyed if capture is likely.
simply knowing the cipher shouldn't compromise any non-awful encryption method unless you have the keys as well.
And how likely is that?
Really.
Worst case scenario is someone might disrupt things for a few hours or a day or so while the local admins sort things out though the fact that hackers don't seem to have ever managed that yet makes me sceptical even of that.
That might be enough to give one side an advantage in some kind of military conflict but is fairly useless on it's own.
China is just the current bogeyman.
there's no shortage of attacks from hackers anywhere, but I'm told china used to be a good place to bounce attacks through and there probably is a certain amount of corporate espionage.
Audit your code.
Don't try to tac security on at the end, build it in from the start.
Don't assume that the other security layers will hold so yours isn't important.(when i was working in a large tech company this was the most common problem, everyone thought the security above or bellow their own applications or systems was secure enough that they didn't have to worry too much about it themselves)
Make sure your coders know enough about the various types of attack that they know what they've got to defend against.
use Default Deny not Default Permit.
don't try to Enumerate Badness. it doesn't work.
Don't rely on Penetrate and Patch . it works badly.
Don't expect average users to get educated about security, they only care about security enough to not get fired, they will also pick awful passwords 99% of the time and will use Pass1234 if asked for uppercase,lowercase and numbers.
patch your systems.
Fire anyone who writes the domain admin password on a postit and sticks it to their monitor.
I asked you about the adults who produce these children. Not about the children themselves. I know it's easy to get emotionally caught up in the plight of the children but I said nothing about them. Intentional or not, what you're doing is a straw man.
They're effected no matter what you want.
It's by no means a straw man.
Punishing their parents for bad choices sounds lovely but you end up punishing people who had no choices in the matter.
How much education does it take to understand that having sex without birth control is a good way to have children?
When the far right pushes sex education out of schools and religious groups intent on avoiding letting children know about sex until they learn for themselves are extremely popular amongst poorer sections of the community?
Any.
Unfortunatly kids aren't getting that.
Again you mischaracterize what I said. I am starting to think it's deliberate. Never did I advocate eugenics.
You may not like it but you did.
You want poor people to not reproduce unless they stop being poor people.
That's eugenics in a simple form.
And apparently determined to stay that way, regarding the poorly educated part.
That's the nature of a system which makes poverty inheritable.
Agreed. That's why I solely discussed the irresponsibility of their parents. Is this difficult to understand?
punish the parent and you punish the children.
Is this difficult to understand?
So at what point do you consider someone to have run out?
The point where they declare bankruptcy and loose any chance of ever getting a mortgage or large loan or merely when they've lost their home and everything they own?
I never said you wanted to leave people starve.
merely that grinding people into utter poverty isn't much better and it's highly contagious from generation to generation so it's not just them who suffer.
No I don't consider those good worlds, they were just the first few well known fictional examples I could think of where childrens lives were unaffected by their parents status.
not every element of a dystopia has to be bad, I kinda liked the bit about making people smarter to create alpha++'s.
Pity it was spoiled by the maiming people to make them epsilons bit.
Whether or not to spend a portion of your income on medical insurance of savings for emergencies is something under your control.
assuming you have the money to spare.
A lot of people live week to week and thousands for decent medical insurance is far beyond their means by any reasonable stretch of the imagination.
Worse still if they have any long term health problems.
there are cases of individuals working their way out
Possible and probable are 2 very different things.
Almost every week someone wins the lottery.
The point was that the same person with the same level of drive, ambition, determination and ability born into a poor family or a rich family is likely to stay where their parents were or at best move slightly up or possibly down.
The fact that the occasional genius manages to transcend their parents social status doesn't make that much better or fairer for the other 99.99% .
Think of the talent that is wasted, not the Einsteins but the merely damn bright who never get the chance at a decent education and end up working some dead end menial job who had they been born into a richer family might have done extremely well.
No circumstance affecting Bob, no matter how dire, which was not caused by Alice gives Bob the right to force Alice to support him.
I guess it comes down to a question of whether anyone has a duty to help others.
If you know a child is being beaten and abused by someone else do you have any obligation to help them?
To a lesser extent if a child is merely having their chances in life destroyed by their parents awful decisions do others have any obligations to help even if it's not your fault?
But I stray too far into an appeal to emotion.
I'm mostly libertarian, I'm happy to let adults succeed or fail on their own merits but I can't stand how it tends to spread to the next generation who have had no choice in the matter.
particularly when "their own merits" include things which are extremely strongly affected by your parents.
The mere fact that occasionally someone manages to crawl up from the gutter doesn't prove that it's a level or fair playing field, merely that it's not impossible to succeed given the right combination of determination, intelligence, luck and opportunity.
Okay then. Children are incredibly expensive. As a responsible adult able to realistically assess my situation... why would I decide to have children when I know for a fact that I cannot provide for them a better life than what I had? Why would I reproduce and create new life when I know that I would be dooming my own children to a life of poverty, crime, and hopelessness?
it doesn't matter.
that's not a choice the children involved have any part in making yet they suffer for it.
If so, don't talk about being "down on your luck".
nowhere did I talk about being "down on your luck" at all.
Am I to believe that poor people are poor because they are stupid?
no but uneducated because they are poor perhaps.
A lovely little artefact of funding schools with local property taxes so that rich areas get great schools while poor neighbourhoods get awful schools.
If they are not stupid, and I don't think they are stupid, why do they care so little for their own offspring?
The drive to reproduce whatever your circumstances is fairly central to everything that is alive.
Individuals which intentionally avoid reproducing no matter the reasons are quickly culled from the population.
But sure, keep heading towards eugenics from a side angle.
Why are they not more responsible and more realistic about what responsibilities they are prepared to take on?
because they're poorly educated and human.
So where does this "born into poverty" thing come from, and why do we act like it's some dirty little secret that the parents (well, more like the single mothers) who perpetuate it are some of the most selfish people on Earth who clearly have children for their own gratification and not because they are ready for the awesome responsibility they represent?
Which again is no choice of the child involved.
they don't get a vote in the matter.
Which is perfect if life is fair and people have control over what happens to them.
unfortunately it tends not to be.
Shit quite often happens to people effectively independent of their own actions.
Some drunk swerves onto the sidewalk and hits you or your home floods.
That's not reasonably within your control.
If poverty wasn't a highly inheritable affliction then it would be fine.
unfortunately it tends to be.
You have to be either extremely unlucky or extremely foolish or inept to be born to rich parents and then become poor. It happens all the time but only to a minority.
You have to be either extremely lucky or exceptionally driven and capable to be born to poor parents and become rich.It happens all the time but only to a minority.
In a Brave New World or Logans Run style society where your chances of doing well in life are completely independent of your parents and in a fair perfect surveillance society where liability for harm could always be assigned to those responsible in a perfectly fluid economic system where everyone has perfect information, is a rational actor and can move freely your approach is completely and utterly rational and fair.
unfortunately the real world is none of those things.
People often get hurt through no fault of their own.
People who grew up with shitty parents, went to a shitty school, live in a shitty neighbourhood and now have a shitty minimum wage job often simply can't afford insurance against unexpected medical problems or natural disasters so when they happen they get screwed over far harder than people who had better chances in life.
Even those who have medical insurance but had to go for the cheaper option often end up screwed because the policy turns out to cover everything except what happens.
But of course that's unfair on you, the poor guy who gets injured in a hit and run should drag himself home and care for his own injuries rather than being irresponsible and going to a hospital.
If he ends up with a massive medical bill it's only his fault and before he gets any help whatsoever he should declare bankruptcy and forego any chance of ever getting a loan to buy a house or start a business ever again because if the government pays his bills then that's just making you as a taxpayer an indentured servant.
Air Marshel?
You're over complicating things.
how about we go even more simple- lock the cabin door and make it a really solid door.
For bonus points make it impossible to open in-flight .
Keep It Really Simple.