qid int64 1 74.7M | question stringlengths 12 33.8k | date stringlengths 10 10 | metadata list | response_j stringlengths 0 115k | response_k stringlengths 2 98.3k |
|---|---|---|---|---|---|
10,239 | The first time that I brewed with whole flower / leaf hops, my more-experienced homebrewing friend said that I should have more wort than usual at the start of the boil, because the dried leaves will reconstitute and absorb liquid. I followed her directions, and I was pleased with the ultimate result. Naturally, I forg... | 2013/07/04 | [
"https://homebrew.stackexchange.com/questions/10239",
"https://homebrew.stackexchange.com",
"https://homebrew.stackexchange.com/users/3466/"
] | An experiment to determine wort absorption by whole leaf hope is described [here](http://www.homebrewtalk.com/f12/leaf-hop-absorption-measured-241469/). The conclusion was that an ounce of hops absorbs 0.15 quarts of wort. | Dried leaf hops absorb 4-6 times their own weight in wort. So, if you add 4oz/100g of hops in the boil, that's in the region of 16-24fl.oz/400-600ml of wort that you could lose. Naturally, the losses become more significant the more hops you add to the boil.
Most brewers intentionally overshoot slightly on the batch v... |
11,225 | I live in an old apartment with radiators for heat, The gas boiler is down two levels in the basement. oddly enough there are no cold air returns...is this correct? Our carbon monoxide alarm continuously goes off when the heat is turned up, we cook on our ELECTRIC STOVE. If we forget to turn the heat down at night, we ... | 2012/01/08 | [
"https://diy.stackexchange.com/questions/11225",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/4831/"
] | If your carbon monoxide detector is going off, you have a carbon monoxide problem. Contact your utility or local emergency services for a more thorough test. The symptoms you describe are consistent with early stages of carbon monoxide poisoning.
If your radiators heat with hot water or steam, or another system other ... | As your CO detector is going off:
1. Get you and your family into the fresh air
2. Call 911
The fire department will come and check everything and figure out where it's coming from. They have an expensive carbon monoxide meter and they will check if there is a CO leak. If they find something they will call the gas c... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | The first and foremost difference between the two is that a PhD is "awarded" after defending a thesis (plus additional duties depending on the department). On the other hand, a PostDoc is a temporary working position that is assigned by some institution, whose completion does not require any defence.
What people do or... | This is akin to asking what's the difference between research master's and PhD, or Assistant to associate professor.
A postdoc, is the *next level* after PhD (though not a necessary one). This is the main point.
Practically, it is different, in that it is less formal, with less specific requirements, and you are paid... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | I want to address this question by citing my current Master's advisor when I asked him the same question:
1. In the Bachelor's, you learn the basics of the area.
2. In the Master's, you learn what people are doing in the field and how to read scientific papers.
3. As a PhD, you learn how to develop your own research a... | I have always understood a postdoc to be a "post doctoral" position, that is a paid post. The idea of a postdoc position is to do research roughly in the area of the PhD, with the person gaining experience that would possibly be of help in gaining a full time position. |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | The first and foremost difference between the two is that a PhD is "awarded" after defending a thesis (plus additional duties depending on the department). On the other hand, a PostDoc is a temporary working position that is assigned by some institution, whose completion does not require any defence.
What people do or... | A postdoc is expected to know what they are doing, and to be productive researchers with minimal supervision. PhD students are learning how to be researchers: by the end of the process, they should be on par with a postdoc, but it will take time to get there
Edit: This comment has been copied from Barbara Robson's ans... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | I want to address this question by citing my current Master's advisor when I asked him the same question:
1. In the Bachelor's, you learn the basics of the area.
2. In the Master's, you learn what people are doing in the field and how to read scientific papers.
3. As a PhD, you learn how to develop your own research a... | The first and foremost difference between the two is that a PhD is "awarded" after defending a thesis (plus additional duties depending on the department). On the other hand, a PostDoc is a temporary working position that is assigned by some institution, whose completion does not require any defence.
What people do or... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | I have always understood a postdoc to be a "post doctoral" position, that is a paid post. The idea of a postdoc position is to do research roughly in the area of the PhD, with the person gaining experience that would possibly be of help in gaining a full time position. | A postdoc is expected to know what they are doing, and to be productive researchers with minimal supervision. PhD students are learning how to be researchers: by the end of the process, they should be on par with a postdoc, but it will take time to get there
Edit: This comment has been copied from Barbara Robson's ans... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | In mathematics, a "postdoc" is a special kind of faculty job you get just after your Ph.D. It may have a fixed term (not tenure track). It may have reduced teaching, so that you can concentrate on your research. You may have a "mentor" assigned to advise you on doing research.
But (unlike some other fields like experi... | A postdoc is expected to know what they are doing, and to be productive researchers with minimal supervision. PhD students are learning how to be researchers: by the end of the process, they should be on par with a postdoc, but it will take time to get there
Edit: This comment has been copied from Barbara Robson's ans... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | In mathematics, a "postdoc" is a special kind of faculty job you get just after your Ph.D. It may have a fixed term (not tenure track). It may have reduced teaching, so that you can concentrate on your research. You may have a "mentor" assigned to advise you on doing research.
But (unlike some other fields like experi... | This is akin to asking what's the difference between research master's and PhD, or Assistant to associate professor.
A postdoc, is the *next level* after PhD (though not a necessary one). This is the main point.
Practically, it is different, in that it is less formal, with less specific requirements, and you are paid... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | I want to address this question by citing my current Master's advisor when I asked him the same question:
1. In the Bachelor's, you learn the basics of the area.
2. In the Master's, you learn what people are doing in the field and how to read scientific papers.
3. As a PhD, you learn how to develop your own research a... | This is akin to asking what's the difference between research master's and PhD, or Assistant to associate professor.
A postdoc, is the *next level* after PhD (though not a necessary one). This is the main point.
Practically, it is different, in that it is less formal, with less specific requirements, and you are paid... |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | In mathematics, a "postdoc" is a special kind of faculty job you get just after your Ph.D. It may have a fixed term (not tenure track). It may have reduced teaching, so that you can concentrate on your research. You may have a "mentor" assigned to advise you on doing research.
But (unlike some other fields like experi... | I have always understood a postdoc to be a "post doctoral" position, that is a paid post. The idea of a postdoc position is to do research roughly in the area of the PhD, with the person gaining experience that would possibly be of help in gaining a full time position. |
104,865 | I am a PhD student in Mathematics. I wanted to know what exactly is the difference between PhD and Postdoc. Is it just the research that one does after PhD(kind of second PhD?)? | 2018/03/03 | [
"https://academia.stackexchange.com/questions/104865",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/88407/"
] | I want to address this question by citing my current Master's advisor when I asked him the same question:
1. In the Bachelor's, you learn the basics of the area.
2. In the Master's, you learn what people are doing in the field and how to read scientific papers.
3. As a PhD, you learn how to develop your own research a... | A postdoc is expected to know what they are doing, and to be productive researchers with minimal supervision. PhD students are learning how to be researchers: by the end of the process, they should be on par with a postdoc, but it will take time to get there
Edit: This comment has been copied from Barbara Robson's ans... |
5,758,785 | I'm looking for an IMAP client library or parser that can support asynchronous I/O. The end goal being I could have dedicated thread(s) do socket I/O (via a poll() loop or similar) and could send data to waiting clients/parsers, as it becomes available. All of the code/libraries I've seen to date (java.mail, Python's i... | 2011/04/22 | [
"https://Stackoverflow.com/questions/5758785",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/502665/"
] | Twisted (<http://twistedmatrix.com/>) has an asynchronous IMAP4 client: twisted.mail.imap4.IMAP4Client
People sometimes say that this protocol is difficult to implement, so implementation quality may be an issue. The defunct Chandler project used the twisted IMAP4 client, and its source code contains the comment "This... | I've had great results with node.js for this kind of thing. If listening to a lot of open sockets you'll need to tweak some linux settings to increase limits for the number of open file discriptors but it works great. |
79,032 | Does someone have some reliable source what was meant by quote by Søren Kierkegaard in the title? Can you elaborate?
Does it mean for example I shouldn't think how to solve some problem, rather say go out and experience a nice walk for example? | 2021/02/11 | [
"https://philosophy.stackexchange.com/questions/79032",
"https://philosophy.stackexchange.com",
"https://philosophy.stackexchange.com/users/50303/"
] | I don't think that's what the author meant by the quote at all. He's not dissuading us from thinking logically or analytically, but attempting to shift our focus from that of problem-solving to *enjoying life*.
As humans, we are natural thinkers and problem solvers. Our brains are wired to seek truth and to find solut... | Of course you should regard solving problems as your serious main business, while enjoying life as a vacation period after long persistent effort drowning in your business. As Farady once famously said: the strong prove, the weak enjoy... Also anyway, aren't problems must also be reality to be experienced? Otherwise it... |
24,382 | I recently noticed that what I think are the inner CV boots on my 99 Nissan Almera have started coming apart:
[](https://i.stack.imgur.com/imSrE.jpg)
They were still in one piece this past August when I took the car for inspection, so this is fairly ... | 2016/01/08 | [
"https://mechanics.stackexchange.com/questions/24382",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/7132/"
] | From my experience of CV boots, you need to replace them immediately if you want to keep the CV joint it covers. It doesn't take long for dirt to destroy the joint once it gets inside the boot. If you leave it until the joint starts to deteriorate, then you risk failure of the joint at probably at dangerous time when t... | you should take care that lubricating grease will go out which will cause CV damage by time. |
24,382 | I recently noticed that what I think are the inner CV boots on my 99 Nissan Almera have started coming apart:
[](https://i.stack.imgur.com/imSrE.jpg)
They were still in one piece this past August when I took the car for inspection, so this is fairly ... | 2016/01/08 | [
"https://mechanics.stackexchange.com/questions/24382",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/7132/"
] | From my experience of CV boots, you need to replace them immediately if you want to keep the CV joint it covers. It doesn't take long for dirt to destroy the joint once it gets inside the boot. If you leave it until the joint starts to deteriorate, then you risk failure of the joint at probably at dangerous time when t... | IMMEDIATELY, If it is not too late already, I have seen CVs ruined with days not weeks, by the smallest amount of sand, mud, dirt whatever getting into the joint.
These are way too expensive to take the chance.
I am not familiar with your model, but trying to save on labour cost doesn't usually equate to the cost of ne... |
24,382 | I recently noticed that what I think are the inner CV boots on my 99 Nissan Almera have started coming apart:
[](https://i.stack.imgur.com/imSrE.jpg)
They were still in one piece this past August when I took the car for inspection, so this is fairly ... | 2016/01/08 | [
"https://mechanics.stackexchange.com/questions/24382",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/7132/"
] | IMMEDIATELY, If it is not too late already, I have seen CVs ruined with days not weeks, by the smallest amount of sand, mud, dirt whatever getting into the joint.
These are way too expensive to take the chance.
I am not familiar with your model, but trying to save on labour cost doesn't usually equate to the cost of ne... | you should take care that lubricating grease will go out which will cause CV damage by time. |
2,530 | What is the advantage for rockets to [have multiple stages](http://en.wikipedia.org/wiki/Multistage_rocket)?
Wouldn't a single stage with the same amount of fuel weigh less?
**Note** I would like a quantitative answer, if possible :-)
 | 2011/01/05 | [
"https://physics.stackexchange.com/questions/2530",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/66/"
] | As Omega Centauri wrote, it is mainly about removing unused tank mass; for numbers, see Wikipedia article about [Ciołkowski's equation](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation), especially the [example](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation#Examples) there. | Launch weight would be lower if you had a fixed fuel load, and only one engine and fuel tank. However the specific impulse applied to the payload would be lower. The problem is that even when the fuel is say 90% exhausted, the rocket is still trying to accelerate the now grossly oversized fuel tank and engine. So the t... |
2,530 | What is the advantage for rockets to [have multiple stages](http://en.wikipedia.org/wiki/Multistage_rocket)?
Wouldn't a single stage with the same amount of fuel weigh less?
**Note** I would like a quantitative answer, if possible :-)
 | 2011/01/05 | [
"https://physics.stackexchange.com/questions/2530",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/66/"
] | Launch weight would be lower if you had a fixed fuel load, and only one engine and fuel tank. However the specific impulse applied to the payload would be lower. The problem is that even when the fuel is say 90% exhausted, the rocket is still trying to accelerate the now grossly oversized fuel tank and engine. So the t... | The easiest way to think of it is this, imagine all the mass left over when a rocket has burned 85% of it's fuel. The mass of most of the tank and structure is now overkill and waste. It would be nice to be able to jettison that extra mass so that the fuel left can accelerate only the payload.
That's what a multi-stag... |
2,530 | What is the advantage for rockets to [have multiple stages](http://en.wikipedia.org/wiki/Multistage_rocket)?
Wouldn't a single stage with the same amount of fuel weigh less?
**Note** I would like a quantitative answer, if possible :-)
 | 2011/01/05 | [
"https://physics.stackexchange.com/questions/2530",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/66/"
] | Launch weight would be lower if you had a fixed fuel load, and only one engine and fuel tank. However the specific impulse applied to the payload would be lower. The problem is that even when the fuel is say 90% exhausted, the rocket is still trying to accelerate the now grossly oversized fuel tank and engine. So the t... | Another aspect to consider is the burn characteristics of the rocket motors. This is especially important in solid rocket motors because once lit, they are self-oxidizing and are not easy to turn off.
At low altitudes, the rocket should not accelerate too rapidly because the air is very dense and the power required i... |
2,530 | What is the advantage for rockets to [have multiple stages](http://en.wikipedia.org/wiki/Multistage_rocket)?
Wouldn't a single stage with the same amount of fuel weigh less?
**Note** I would like a quantitative answer, if possible :-)
 | 2011/01/05 | [
"https://physics.stackexchange.com/questions/2530",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/66/"
] | As Omega Centauri wrote, it is mainly about removing unused tank mass; for numbers, see Wikipedia article about [Ciołkowski's equation](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation), especially the [example](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation#Examples) there. | The easiest way to think of it is this, imagine all the mass left over when a rocket has burned 85% of it's fuel. The mass of most of the tank and structure is now overkill and waste. It would be nice to be able to jettison that extra mass so that the fuel left can accelerate only the payload.
That's what a multi-stag... |
2,530 | What is the advantage for rockets to [have multiple stages](http://en.wikipedia.org/wiki/Multistage_rocket)?
Wouldn't a single stage with the same amount of fuel weigh less?
**Note** I would like a quantitative answer, if possible :-)
 | 2011/01/05 | [
"https://physics.stackexchange.com/questions/2530",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/66/"
] | As Omega Centauri wrote, it is mainly about removing unused tank mass; for numbers, see Wikipedia article about [Ciołkowski's equation](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation), especially the [example](http://en.wikipedia.org/wiki/Tsiolkovsky_rocket_equation#Examples) there. | Another aspect to consider is the burn characteristics of the rocket motors. This is especially important in solid rocket motors because once lit, they are self-oxidizing and are not easy to turn off.
At low altitudes, the rocket should not accelerate too rapidly because the air is very dense and the power required i... |
44,897 | How does the stack work for this scenario?
[Hushwing Gryff](http://gatherer.wizards.com/Pages/Search/Default.aspx?name=%2b%5bHushwing%20Gryff%5d) is already in play and the player goes to cast [Eater of Days](http://gatherer.wizards.com/Pages/Search/Default.aspx?name=%2b%5bEater%20of%20Days%5d) so the Hushwing Gryff w... | 2019/01/25 | [
"https://boardgames.stackexchange.com/questions/44897",
"https://boardgames.stackexchange.com",
"https://boardgames.stackexchange.com/users/26222/"
] | The opponent can use either spell to target [Hushwing Gryff](http://gatherer.wizards.com/Pages/Search/Default.aspx?name=%2b%5bHushwing%20Gryff%5d) while Eater of Days is on the stack. In this case,
* The spell resolves first, removing Hushwing Gryff from the battlefield.
* Eater of Days resolves, and as there is no Hu... | Yes, that's how it works. Basically, what is cast *last* will resolve *first*. Once the Eater of Days enters the battlefield, Hushwing Gryff is already gone and the enter-the-battlefield trigger will function as normal. |
16,641,655 | I made some changes to a CSS file, uploaded it and saw no change. I cleared my browser's cache, repeated the process and still nothing. I also tried another browser and then experimented with other files - all the same result.I then deleted the CSS file altogether - the website still looks the same and I can still see ... | 2013/05/20 | [
"https://Stackoverflow.com/questions/16641655",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1433268/"
] | [Squid](http://en.wikipedia.org/wiki/Squid_%28software%29) and other web accelerators often sit between a hosted server and your browser. Although they are supposed to invalidate their caches when the backing file changes, that information isn't always sent to specification or acted on properly.
Indeed, there can be ... | **First**, use Firebug or "Inspect Element" in chrome.
Verify that the css file that the browser is loading the file you think is should load.
Good luck. |
16,641,655 | I made some changes to a CSS file, uploaded it and saw no change. I cleared my browser's cache, repeated the process and still nothing. I also tried another browser and then experimented with other files - all the same result.I then deleted the CSS file altogether - the website still looks the same and I can still see ... | 2013/05/20 | [
"https://Stackoverflow.com/questions/16641655",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1433268/"
] | [Squid](http://en.wikipedia.org/wiki/Squid_%28software%29) and other web accelerators often sit between a hosted server and your browser. Although they are supposed to invalidate their caches when the backing file changes, that information isn't always sent to specification or acted on properly.
Indeed, there can be ... | Browsers can cache things, did you try SHIFT-F5 on your webpage to force a reload of everything? |
16,641,655 | I made some changes to a CSS file, uploaded it and saw no change. I cleared my browser's cache, repeated the process and still nothing. I also tried another browser and then experimented with other files - all the same result.I then deleted the CSS file altogether - the website still looks the same and I can still see ... | 2013/05/20 | [
"https://Stackoverflow.com/questions/16641655",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1433268/"
] | [Squid](http://en.wikipedia.org/wiki/Squid_%28software%29) and other web accelerators often sit between a hosted server and your browser. Although they are supposed to invalidate their caches when the backing file changes, that information isn't always sent to specification or acted on properly.
Indeed, there can be ... | Maybe the main server has cached configuration setup to other servers, check with your IT department. If this is the case, you need to tell them to invalidate the cache through all the cached servers. |
16,641,655 | I made some changes to a CSS file, uploaded it and saw no change. I cleared my browser's cache, repeated the process and still nothing. I also tried another browser and then experimented with other files - all the same result.I then deleted the CSS file altogether - the website still looks the same and I can still see ... | 2013/05/20 | [
"https://Stackoverflow.com/questions/16641655",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1433268/"
] | [Squid](http://en.wikipedia.org/wiki/Squid_%28software%29) and other web accelerators often sit between a hosted server and your browser. Although they are supposed to invalidate their caches when the backing file changes, that information isn't always sent to specification or acted on properly.
Indeed, there can be ... | I had the same issue with fileZilla to solve it you need to clear the file zilla cache or change the name of the files you are uploading.
Open FileZilla and click on the Edit menu.
Choose Clear Private Data.
In the new dialog box, check mark the categories you’d like to clear: Quickconnect history, Reconnect informati... |
7,799,119 | I need to live-demo a Mobile Safari browser app (iOS 5, iPhone 4S) on my Macbook and was wondering the best way to do this?
One way I thought might be possible would be using AirPlay Mirroring, but there doesn't seem to be any Mac OS apps capable of showing my iPhone screen mirrored.
I am an (beginner) iOS developer ... | 2011/10/17 | [
"https://Stackoverflow.com/questions/7799119",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/312817/"
] | Since your device (iPhone 4s) supports video mirroring via AirPlay, then you should be able to use [AirServer](http://www.airserverapp.com/) to enable mirroring to your Mac.
Update: As pointed out by Marc Surman, AirServer does not support mirroring, rendering this answer incorrect. Thanks for playing. | Mirroring uses FairPlay encryption, which is why AirServer and similar applications can't do mirroring.
You CAN, however, fake this using AirplayKit:
<https://github.com/rothacr/AirplayKit>
The iOS demo in that repo actually does a simple mirror by sending an image of your screen to the airplay device using a timer. ... |
7,799,119 | I need to live-demo a Mobile Safari browser app (iOS 5, iPhone 4S) on my Macbook and was wondering the best way to do this?
One way I thought might be possible would be using AirPlay Mirroring, but there doesn't seem to be any Mac OS apps capable of showing my iPhone screen mirrored.
I am an (beginner) iOS developer ... | 2011/10/17 | [
"https://Stackoverflow.com/questions/7799119",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/312817/"
] | The situation has changed since this was asked.
AirServer (AirServerApp.com) and Reflection (ReflectionApp.com) both support AirPlay mirroring. Here's an article comparing them:
<http://www.macstories.net/reviews/mirroring-multiple-ios-devices-to-a-mac-comparing-airserver-and-reflection/> | Since your device (iPhone 4s) supports video mirroring via AirPlay, then you should be able to use [AirServer](http://www.airserverapp.com/) to enable mirroring to your Mac.
Update: As pointed out by Marc Surman, AirServer does not support mirroring, rendering this answer incorrect. Thanks for playing. |
7,799,119 | I need to live-demo a Mobile Safari browser app (iOS 5, iPhone 4S) on my Macbook and was wondering the best way to do this?
One way I thought might be possible would be using AirPlay Mirroring, but there doesn't seem to be any Mac OS apps capable of showing my iPhone screen mirrored.
I am an (beginner) iOS developer ... | 2011/10/17 | [
"https://Stackoverflow.com/questions/7799119",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/312817/"
] | The situation has changed since this was asked.
AirServer (AirServerApp.com) and Reflection (ReflectionApp.com) both support AirPlay mirroring. Here's an article comparing them:
<http://www.macstories.net/reviews/mirroring-multiple-ios-devices-to-a-mac-comparing-airserver-and-reflection/> | Mirroring uses FairPlay encryption, which is why AirServer and similar applications can't do mirroring.
You CAN, however, fake this using AirplayKit:
<https://github.com/rothacr/AirplayKit>
The iOS demo in that repo actually does a simple mirror by sending an image of your screen to the airplay device using a timer. ... |
19,537,413 | Wikipedia says Miller columns "resemble" something used earlier in Smalltalk and was independently invented by Miller. Who was first - Smalltalk or Miller?
If Smalltalk was first, then who exactly invented Miller columns and why Miller columns are Miller Columns, not X columns, where X is last name of the inventor?
I... | 2013/10/23 | [
"https://Stackoverflow.com/questions/19537413",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/645317/"
] | The Smalltalk mechanism being referenced was the class hierarchy browser. It was invented in 1976 by Larry Tesler (see Alan Kay "The Early History of Smalltalk" under "Smalltalk-76"). The browser used a fixed 4-list view to locate source code for methods. The first list was for categories. Within each category you coul... | Miller Columns are closely related to techniques used earlier in the Smalltalk browser, they were invented by Mark S. Miller, though at Yale University in 1980. Refer to the following url
for more information
[Miller Columns](http://appuntitech.blogspot.in/2013/01/miller-columns.html) |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The pro of a fire steel over other lighters is that there's little that can break or be damaged from weather. Even if you lose the striker, a steel knife will work with the flint. However the con is that you only get a spark, not a steady flame. That means it needs to hit something that will ignite very easily. I use i... | For most uses, a Storm Lighter is going to be more practical, but if something were to happen to the lighter (runs out of fuel, crack in the reservoir, etc) it would be very nice to have something that is going to work.
The biggest benefit to using the fire stick is the simplicity. You'll have to have something that ... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The big plus with a firesteel is that you can pretty much do what you want to it, including soaking the thing in ice cold water, and it'll still work as well as before. The big downside is it's just sparks, so it's harder to build a fire.
However, with practice, it's not that hard and does provide a good backup if you... | For most uses, a Storm Lighter is going to be more practical, but if something were to happen to the lighter (runs out of fuel, crack in the reservoir, etc) it would be very nice to have something that is going to work.
The biggest benefit to using the fire stick is the simplicity. You'll have to have something that ... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The big plus with a firesteel is that you can pretty much do what you want to it, including soaking the thing in ice cold water, and it'll still work as well as before. The big downside is it's just sparks, so it's harder to build a fire.
However, with practice, it's not that hard and does provide a good backup if you... | **Why would one want one of these rather than a Storm Lighter?**
The advantage of a ferro rod is that it is simple, reliable and lasts a long time. There are no moving parts to break or fuel to run out. They will gradually wear down but they last a very long time for their weight and you can see how much material is l... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | I strike my fire steel with a piece of hacksaw blade. I have the added ability to either just strike/scrape the ferro rod, shave shavings off it into a tinder bundle to get more intense fire lighting sparks. I can use the striker to shave fat wood, or normal wood, which will in turn take less of a spark to ignite. I ca... | We use both. It is not difficult to light a fire with a ferrocerium rod especially if you have pine trees around as we do. A bit of sap from one of them on your shavings, cotton balls, spanish moss and one strike from the rod will start the fire. No sap? Then we also carry a small jar of vaseline. Both are overkill but... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | I strike my fire steel with a piece of hacksaw blade. I have the added ability to either just strike/scrape the ferro rod, shave shavings off it into a tinder bundle to get more intense fire lighting sparks. I can use the striker to shave fat wood, or normal wood, which will in turn take less of a spark to ignite. I ca... | **Why would one want one of these rather than a Storm Lighter?**
The advantage of a ferro rod is that it is simple, reliable and lasts a long time. There are no moving parts to break or fuel to run out. They will gradually wear down but they last a very long time for their weight and you can see how much material is l... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The pro of a fire steel over other lighters is that there's little that can break or be damaged from weather. Even if you lose the striker, a steel knife will work with the flint. However the con is that you only get a spark, not a steady flame. That means it needs to hit something that will ignite very easily. I use i... | I strike my fire steel with a piece of hacksaw blade. I have the added ability to either just strike/scrape the ferro rod, shave shavings off it into a tinder bundle to get more intense fire lighting sparks. I can use the striker to shave fat wood, or normal wood, which will in turn take less of a spark to ignite. I ca... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The pro of a fire steel over other lighters is that there's little that can break or be damaged from weather. Even if you lose the striker, a steel knife will work with the flint. However the con is that you only get a spark, not a steady flame. That means it needs to hit something that will ignite very easily. I use i... | **Why would one want one of these rather than a Storm Lighter?**
The advantage of a ferro rod is that it is simple, reliable and lasts a long time. There are no moving parts to break or fuel to run out. They will gradually wear down but they last a very long time for their weight and you can see how much material is l... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The big plus with a firesteel is that you can pretty much do what you want to it, including soaking the thing in ice cold water, and it'll still work as well as before. The big downside is it's just sparks, so it's harder to build a fire.
However, with practice, it's not that hard and does provide a good backup if you... | I strike my fire steel with a piece of hacksaw blade. I have the added ability to either just strike/scrape the ferro rod, shave shavings off it into a tinder bundle to get more intense fire lighting sparks. I can use the striker to shave fat wood, or normal wood, which will in turn take less of a spark to ignite. I ca... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The pro of a fire steel over other lighters is that there's little that can break or be damaged from weather. Even if you lose the striker, a steel knife will work with the flint. However the con is that you only get a spark, not a steady flame. That means it needs to hit something that will ignite very easily. I use i... | We use both. It is not difficult to light a fire with a ferrocerium rod especially if you have pine trees around as we do. A bit of sap from one of them on your shavings, cotton balls, spanish moss and one strike from the rod will start the fire. No sap? Then we also carry a small jar of vaseline. Both are overkill but... |
1,431 | [Fire steels](http://en.wikipedia.org/wiki/Ferrocerium), ferrocerium rods -- oversized versions of the "flint" in a lighter or torch starter, are an apparently popular survival/backwoods fire starting method.
* Why would one want one of these rather than a [Storm Lighter](https://i.stack.imgur.com/gmcYM.jpg)?
* Is one... | 2012/05/06 | [
"https://outdoors.stackexchange.com/questions/1431",
"https://outdoors.stackexchange.com",
"https://outdoors.stackexchange.com/users/133/"
] | The big plus with a firesteel is that you can pretty much do what you want to it, including soaking the thing in ice cold water, and it'll still work as well as before. The big downside is it's just sparks, so it's harder to build a fire.
However, with practice, it's not that hard and does provide a good backup if you... | We use both. It is not difficult to light a fire with a ferrocerium rod especially if you have pine trees around as we do. A bit of sap from one of them on your shavings, cotton balls, spanish moss and one strike from the rod will start the fire. No sap? Then we also carry a small jar of vaseline. Both are overkill but... |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | **SO:** 599 to 43
*approximately a 9 up to 1 down on average*
**SU:** 57 to 3
*approximately a 10 up to 1 down on average*
**SF:** 7 to 1
*precisely a a 7 up to 1 down on average*
**META:** 206 to 44
*approximately 4 up to 1 down on average*
**FAMILY:** 869 to 91
*approximately a 9 up to 1 down... | SO: 156-1
SU: 20-0 |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | * SuperUser - 28.333(repeating) with a current rep of just over 1,000
* ServerFault - 8 with a current rep of 319
* StackOverflow - 8.7362637362637362637362637362637 with a current rep of almost 13,000
* Meta - 19.55 with a current rep almost to 5,000
I think once people hit the 3,000 mark and then the 10,000 mark you... | I've been more or less active on SO since public beta started in September, and I currently have 17.8k rep. I don't *think* I've become bitter with age; my upvote-to-downvote ratio is 1742:27 = 64.52.
I've explained my reasoning for downvotes [here](https://meta.stackexchange.com/questions/2451/why-do-you-cast-downvot... |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | * SuperUser - 28.333(repeating) with a current rep of just over 1,000
* ServerFault - 8 with a current rep of 319
* StackOverflow - 8.7362637362637362637362637362637 with a current rep of almost 13,000
* Meta - 19.55 with a current rep almost to 5,000
I think once people hit the 3,000 mark and then the 10,000 mark you... | 12.88 for me on Stackoverflow. That puts me in the realm of the "nice," right? |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | **SO:** 599 to 43
*approximately a 9 up to 1 down on average*
**SU:** 57 to 3
*approximately a 10 up to 1 down on average*
**SF:** 7 to 1
*precisely a a 7 up to 1 down on average*
**META:** 206 to 44
*approximately 4 up to 1 down on average*
**FAMILY:** 869 to 91
*approximately a 9 up to 1 down... | I knew I was generous with up-votes, but didn't think I was that stingy with down-votes.
SF: 521-1
SO: 129-0
SU: 122-0
Meta: 74-0
plus a handful flagged for spam and moderator attention. |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | Personally I don't think people down vote enough, I see way to many answers that are just plain wrong or mis-informed that don't get down voted and leave bad advice or suggestions that someone that is new won't know is bad advice or suggestion. And there will be people with 10K or more reputation that post answers and ... | SO: 369 up, 26 down
MetaSO: 9 up
SU: 9 up, 1 down
SF: none
I never took myself to be such a positive guy! I guess I just only downvote when I think an answer is really bad advice. |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | Using the [Stack Exchange Data Explorer](https://data.stackexchange.com/), it's pretty easy to obtain some more up-to-date sitewide figures.
[This simple query](https://data.stackexchange.com/stackoverflow/query/66779/vote-stats) lists how many votes of each type were cast. | StackOverflow: 9.4:1 |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | Personally I don't think people down vote enough, I see way to many answers that are just plain wrong or mis-informed that don't get down voted and leave bad advice or suggestions that someone that is new won't know is bad advice or suggestion. And there will be people with 10K or more reputation that post answers and ... | I'm shocked! That would be 3.39 for me on so. I'm a negative bastard! |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | Using the [Stack Exchange Data Explorer](https://data.stackexchange.com/), it's pretty easy to obtain some more up-to-date sitewide figures.
[This simple query](https://data.stackexchange.com/stackoverflow/query/66779/vote-stats) lists how many votes of each type were cast. | On StackOverflow:
>
> 1201:94
>
>
>
12.777
I'm a nice guy. |
7,401 | >
> **Possible Duplicate:**
>
> [Tweet question and answer](https://meta.stackexchange.com/questions/3926)
>
>
>
>
Whenever I ask a question, I end up tweeting it to expose it to the people that follow me on twitter, many of which are SO users and in the same field. It would be nice to have a "Tweet this que... | 2009/07/20 | [
"https://meta.stackexchange.com/questions/7401",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/1786/"
] | **SO:** 599 to 43
*approximately a 9 up to 1 down on average*
**SU:** 57 to 3
*approximately a 10 up to 1 down on average*
**SF:** 7 to 1
*precisely a a 7 up to 1 down on average*
**META:** 206 to 44
*approximately 4 up to 1 down on average*
**FAMILY:** 869 to 91
*approximately a 9 up to 1 down... | Stack Overflow: 331 Up votes to 7 Downvotes
So around 47 to 1 |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | **They are too heavy to go on land.**
These mechs have seriously thick armor. The weight of this metal is balanced by gas filled spaces. The underwater mechs are neutrally buoyant. Because of their mass they have inertia but they do not need to constantly fight the acceleration of gravity. They can walk along the bott... | **They're not as good as tanks**
Tanks are maneuverable on all sorts of terrain, can be scaled up much better than anything with gangly limbs, have a much more stable shape and are probably much cheaper to manufacture than an equivalent mech, which requires more motors, servos, etc. |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | **They are too heavy to go on land.**
These mechs have seriously thick armor. The weight of this metal is balanced by gas filled spaces. The underwater mechs are neutrally buoyant. Because of their mass they have inertia but they do not need to constantly fight the acceleration of gravity. They can walk along the bott... | **First, for the biological part**
We are starting with (presumably) as our base a subspecies of this monster which has adapted to marine life. Over this short a period that is pretty remarkable and suggests a very fast rate of mutation. Adaptations can include things like:
* streamlined hydrodynamic shape to improve... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | **They are too heavy to go on land.**
These mechs have seriously thick armor. The weight of this metal is balanced by gas filled spaces. The underwater mechs are neutrally buoyant. Because of their mass they have inertia but they do not need to constantly fight the acceleration of gravity. They can walk along the bott... | Have you noticed that sea animals get a lot bigger than terrestrial animals? Buoyancy makes it possible to grow a lot bigger underwater due to the lesser need to support your own weight. For more details, see the "square-cube law," the effects of which are mitigated by being underwater.
That's been mentioned by a coup... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | Mimicry
-------
The monsters try to avoid military and attack unarmed civilians. Submarines and destroyers are very distinctive; so, the monsters can identify them from far away and just go around them in favor of easier targets on the shore, but the mechs are made to move, sound, and (thanks to organic parts) smell l... | **First, for the biological part**
We are starting with (presumably) as our base a subspecies of this monster which has adapted to marine life. Over this short a period that is pretty remarkable and suggests a very fast rate of mutation. Adaptations can include things like:
* streamlined hydrodynamic shape to improve... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | Have you noticed that sea animals get a lot bigger than terrestrial animals? Buoyancy makes it possible to grow a lot bigger underwater due to the lesser need to support your own weight. For more details, see the "square-cube law," the effects of which are mitigated by being underwater.
That's been mentioned by a coup... | ### Close range combat
The monsters hide in caves in the sea bottom. When they sense the presence of a submarine they hide behind rocks and they prefer to move in narrow gorges between underwater mountain. The only way to engage them is close range combat, obviously they move faster than mechs, but since they chose na... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | Another possible reason would be fuel. A giant mech is going to require a metric crap-ton of energy to move around. Perhaps the biological components of the mechs are developed from the monsters themselves, and generate large amounts of electricity from seawater. (I don't know the science, but I'm sure there's somethin... | Missiles.
In the war between weapon and armor the anti-tank missile has prevailed. Mecha are basically a tanks that trade some armor for better handling of some terrain.
However, there is no underwater equivalent to the infantry anti-tank missile. There are torpedoes but they are a lot bigger and don't move nearly as... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | Underwater mechas are already in use
------------------------------------
There are many tasks which need to be performed by workers working underwater; tightening bolts on pipelines for example.
People don't do well underwater, because water is heavy and if you go deep enough the weight will squish you. (Yes, it is ... | ### Close range combat
The monsters hide in caves in the sea bottom. When they sense the presence of a submarine they hide behind rocks and they prefer to move in narrow gorges between underwater mountain. The only way to engage them is close range combat, obviously they move faster than mechs, but since they chose na... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | ### Close range combat
The monsters hide in caves in the sea bottom. When they sense the presence of a submarine they hide behind rocks and they prefer to move in narrow gorges between underwater mountain. The only way to engage them is close range combat, obviously they move faster than mechs, but since they chose na... | Missiles.
In the war between weapon and armor the anti-tank missile has prevailed. Mecha are basically a tanks that trade some armor for better handling of some terrain.
However, there is no underwater equivalent to the infantry anti-tank missile. There are torpedoes but they are a lot bigger and don't move nearly as... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | **Heat**
Mechs are inefficient temperature-wise, being submerged in water helps them dissipate heat quickly, which allows them to operate longer than few minutes on land before overheating | 1. High value of gravity of the planet (1.5-1.7 of Earth gravity, for example).
2. Microorganisms (e.g. [Ideonella sakaiensis](https://en.wikipedia.org/wiki/Ideonella_sakaiensis)) or other substances in the atmosphere that cause very rapid corrosion of metal (or any specific things in the robots).
3. The land has a lot... |
210,946 | In my world, the planet (which is not Earth, but is suitably Earth-like) has been besieged by deadly monsters for about 1000 years. Their initial attack lead to an apocalyptic scenario which took humanity hundreds of years to fully recover from. Since then, humanity has banded into one large empire/federation and anoth... | 2021/08/25 | [
"https://worldbuilding.stackexchange.com/questions/210946",
"https://worldbuilding.stackexchange.com",
"https://worldbuilding.stackexchange.com/users/86590/"
] | **They are too heavy to go on land.**
These mechs have seriously thick armor. The weight of this metal is balanced by gas filled spaces. The underwater mechs are neutrally buoyant. Because of their mass they have inertia but they do not need to constantly fight the acceleration of gravity. They can walk along the bott... | Something about the biological portions of the mech synergizes with the shape. If the parts are from monsters, then the closer the incorporated part's image is to their original body part on the monster (platonian ideal), then the greater the effect.
For that reason, any kind of mech that resembles a living creature i... |
267,575 | In the book “Educated” by Tara Westover, chapter 5, what does *scrap* mean in the following?
>
> Tony and Shawn had left the mountain, but they’d left to do what my father had taught them to do: drive semis, weld, scrap.
>
>
> | 2020/12/04 | [
"https://ell.stackexchange.com/questions/267575",
"https://ell.stackexchange.com",
"https://ell.stackexchange.com/users/10310/"
] | It most likely refers to working with scrap metal. This could include collecting scrap metal, collecting items (like cars) to make into scrap metal, or disposing of scrap metal. The aim is usually to make money. | "scrap" can also mean "fight" or "argue", usually implying a not too serious conflict. This **might** mean that the father had taught Tony and Shawn to drive semis, weld, and fight. This is a little more plausible because "scrap" as a verb meaning ."discard" is transitive, and should specify what is being scrapped, and... |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | A larger than minimum smoothing capacitor on the output of a transformer and rectifier will give you lower ripple, which is a plus. It's a small plus however, as even doubling the size of the capacitor will only (roughly) halve the ripple. Anything downstream of a large capacitor will need to have significant Power Sup... | On the face of bigger is better for reasons that are well documented elsewhere.If the cap gets really big there will be problems with inrush current .On a small power supply the transformer should keep this down to a reasonable value .When rectifying mains into a cap filter the peak currents in the diodes can be severa... |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | Here's another point: many modern converters are protected against shorts or overloads in the output circuit. Such protection is a must for lab PSUs and a nice feature for all PSUs with connectors, since the ability to connect different loads increases the risk of shorts and overloads.
Having a big cap on the output r... | Larger capacitors also have more parasitics (eg equiv. series resistance and inductance.) This is what "slows them down" so to speak. |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | Note: my interpretation of the OPs post is we are talking about capacitors on the output of voltage regulators, some other posts seem to assume the asker is talking about capacitors on rectifiers.
The main downside of a bigger capacitor is that the switch on rise time and switch off fall time will be greater. That mea... | Larger capacitors also have more parasitics (eg equiv. series resistance and inductance.) This is what "slows them down" so to speak. |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | A larger than minimum smoothing capacitor on the output of a transformer and rectifier will give you lower ripple, which is a plus. It's a small plus however, as even doubling the size of the capacitor will only (roughly) halve the ripple. Anything downstream of a large capacitor will need to have significant Power Sup... | Note: my interpretation of the OPs post is we are talking about capacitors on the output of voltage regulators, some other posts seem to assume the asker is talking about capacitors on rectifiers.
The main downside of a bigger capacitor is that the switch on rise time and switch off fall time will be greater. That mea... |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | A larger than minimum smoothing capacitor on the output of a transformer and rectifier will give you lower ripple, which is a plus. It's a small plus however, as even doubling the size of the capacitor will only (roughly) halve the ripple. Anything downstream of a large capacitor will need to have significant Power Sup... | Larger capacitors also have more parasitics (eg equiv. series resistance and inductance.) This is what "slows them down" so to speak. |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | As far as caps go, there are two competing requirements:long-term (ripple) and instantaneous (spike). A big electrolytic can give you the former but not the latter. Generally you parallel your large electrolytic with a smaller 0.1uF capable of supplying that instantaneous spike whilst the electrolytic lumbers into acti... | On the face of bigger is better for reasons that are well documented elsewhere.If the cap gets really big there will be problems with inrush current .On a small power supply the transformer should keep this down to a reasonable value .When rectifying mains into a cap filter the peak currents in the diodes can be severa... |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | On the face of bigger is better for reasons that are well documented elsewhere.If the cap gets really big there will be problems with inrush current .On a small power supply the transformer should keep this down to a reasonable value .When rectifying mains into a cap filter the peak currents in the diodes can be severa... | Larger capacitors also have more parasitics (eg equiv. series resistance and inductance.) This is what "slows them down" so to speak. |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | As far as caps go, there are two competing requirements:long-term (ripple) and instantaneous (spike). A big electrolytic can give you the former but not the latter. Generally you parallel your large electrolytic with a smaller 0.1uF capable of supplying that instantaneous spike whilst the electrolytic lumbers into acti... | From Andy akas comment:
If the supply you are using has [specific output capacitor requirements](http://www.ti.com/product/lm1117?keyMatch=lm1117&tisearch=Search-EN-Everything), then make sure you follow them. For all these types of regulator linked (LDO), there is usually a minimum capacitance only. (search the datas... |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | From Andy akas comment:
If the supply you are using has [specific output capacitor requirements](http://www.ti.com/product/lm1117?keyMatch=lm1117&tisearch=Search-EN-Everything), then make sure you follow them. For all these types of regulator linked (LDO), there is usually a minimum capacitance only. (search the datas... | Larger capacitors also have more parasitics (eg equiv. series resistance and inductance.) This is what "slows them down" so to speak. |
224,421 | I work with low-power DC voltage regulators. I am already aware of the formula to calculate the size of smoothing capacitor(s). This can be an iterative process of testing one size with a scope and then using a larger size or adding more until the scope shows acceptable (very low) levels of ripple and noise.
Besides t... | 2016/03/24 | [
"https://electronics.stackexchange.com/questions/224421",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/103716/"
] | As far as caps go, there are two competing requirements:long-term (ripple) and instantaneous (spike). A big electrolytic can give you the former but not the latter. Generally you parallel your large electrolytic with a smaller 0.1uF capable of supplying that instantaneous spike whilst the electrolytic lumbers into acti... | Note: my interpretation of the OPs post is we are talking about capacitors on the output of voltage regulators, some other posts seem to assume the asker is talking about capacitors on rectifiers.
The main downside of a bigger capacitor is that the switch on rise time and switch off fall time will be greater. That mea... |
6,103,467 | I'm using the Speech Recognizer Intent in Android. Is there a way to add your own customized words or phrases to Android's Speech recognition 'dictionary' | 2011/05/23 | [
"https://Stackoverflow.com/questions/6103467",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/517733/"
] | No. You can only use the two language models supported.
The built in speech recognition provided by google only supports the dictation and search language models. See <http://developer.android.com/reference/android/speech/RecognizerIntent.html> and LANGUAGE\_MODEL\_FREE\_FORM or LANGUAGE\_MODEL\_WEB\_SEARCH.
<http://d... | Michael is correct, you cannot change the Language Model.
However, you can use "sounds like" algorithms to process the results from Android and match words it doesn't know.
See my answer here:
[speech recognition reduce possible search results](https://stackoverflow.com/questions/8778409/speech-recognition-reduce-po... |
192,030 | I'm planning to backup a O365 site through PowerShell, but I couldn't find the command for it anywhere on the internet. | 2016/08/27 | [
"https://sharepoint.stackexchange.com/questions/192030",
"https://sharepoint.stackexchange.com",
"https://sharepoint.stackexchange.com/users/54632/"
] | There is no powershell command available for backup and restore in SharePoint Online(office 365).
For backup, you have to rely either to MSFT as they keep the backup for 14 days or you have to use the 3rd party tools to take the backup of your online sites.
<https://threewill.com/the-4-options-you-need-to-know-about... | As far as I know—and even after searching for your issue—there isn’t a command for this. There is a script that would help through:
<https://gallery.technet.microsoft.com/scriptcenter/PowerShell-Backup-Script-956f312c>
It is also on GitHub: <https://github.com/Seidlm/PowerShell-Backup-Script>
Still, for enterprises, ... |
24,907 | I would be interested in creating a mesh (2D or 3D) to be used in a finite element solver. Does blender have a plugin that can do this? If not, how difficult would it be to write one myself?
What this plugin should be able to do is 1) partition a mesh into finite elements using some rule, 2) be able to label boundari... | 2015/02/17 | [
"https://blender.stackexchange.com/questions/24907",
"https://blender.stackexchange.com",
"https://blender.stackexchange.com/users/11645/"
] | Well it is easy if you use existing librarys.
The greatest problem is generating a useful mesh for finite element analysis. In this case use the open source mesher "netgen" or "gmsh".
After generating the mesh there are several other openSource tools which can help you with subdomains and boundaries
----Fast manual so... | If you want to create a shell mesh with mainly quad elements then yes it is possible. Export the blender model in .stl format. Down load, install and run salome FE pre-post processor(IT IS FREE), run, create new session, go into mesh then import .stl as an FE mesh. It will be all triangles so go into : Modification; Un... |
117,565 | I (with the help of an HVAC professional) installed a ductless, split system. It's a 24,000 BTU, single head system. What surprised me is how much energy (relative to everything else in the house) it uses while in the off/stand-by mode.
It's on a dedicated circuit, and I calculated using my Aeotec Home Energy Monitor ... | 2017/06/30 | [
"https://diy.stackexchange.com/questions/117565",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/3861/"
] | Your unit is probably a Heat Pump. I sell these and I'm not aware of any companies that still sell a/c only units since the cost difference was minimal they have been phased out. So being a heat pump it would have a crankcase heater either under or wrapped around the compressor. As long as the main power switch is on t... | In general most equipment or appliances that have electronic controls will use some AC while the equipment is in the off position. You just mentioned you turn your unit on and off with a remote. So there must be power to sense the remote and its calls to start etc. Also the need for the consumer to want instant start f... |
117,565 | I (with the help of an HVAC professional) installed a ductless, split system. It's a 24,000 BTU, single head system. What surprised me is how much energy (relative to everything else in the house) it uses while in the off/stand-by mode.
It's on a dedicated circuit, and I calculated using my Aeotec Home Energy Monitor ... | 2017/06/30 | [
"https://diy.stackexchange.com/questions/117565",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/3861/"
] | I have a building with a Fujitsu heat pump that is not used in the summer so I turned off the breaker for the unit and everything else in the building was off. I monitored usage on the supplier web site and had "0" usage for 2 months. A week ago I noticed that the site was showing between 4kw and 6kw usage each day. Wh... | In general most equipment or appliances that have electronic controls will use some AC while the equipment is in the off position. You just mentioned you turn your unit on and off with a remote. So there must be power to sense the remote and its calls to start etc. Also the need for the consumer to want instant start f... |
117,565 | I (with the help of an HVAC professional) installed a ductless, split system. It's a 24,000 BTU, single head system. What surprised me is how much energy (relative to everything else in the house) it uses while in the off/stand-by mode.
It's on a dedicated circuit, and I calculated using my Aeotec Home Energy Monitor ... | 2017/06/30 | [
"https://diy.stackexchange.com/questions/117565",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/3861/"
] | My Mitsubishi mini splits use .75 kwh each when "off". When you are only allotted 22 kw per day, they severely eat in to my allotment.
I have to turn the breakers completely off, or I go over my "allowed" consumption. | In general most equipment or appliances that have electronic controls will use some AC while the equipment is in the off position. You just mentioned you turn your unit on and off with a remote. So there must be power to sense the remote and its calls to start etc. Also the need for the consumer to want instant start f... |
117,565 | I (with the help of an HVAC professional) installed a ductless, split system. It's a 24,000 BTU, single head system. What surprised me is how much energy (relative to everything else in the house) it uses while in the off/stand-by mode.
It's on a dedicated circuit, and I calculated using my Aeotec Home Energy Monitor ... | 2017/06/30 | [
"https://diy.stackexchange.com/questions/117565",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/3861/"
] | Your unit is probably a Heat Pump. I sell these and I'm not aware of any companies that still sell a/c only units since the cost difference was minimal they have been phased out. So being a heat pump it would have a crankcase heater either under or wrapped around the compressor. As long as the main power switch is on t... | I have a building with a Fujitsu heat pump that is not used in the summer so I turned off the breaker for the unit and everything else in the building was off. I monitored usage on the supplier web site and had "0" usage for 2 months. A week ago I noticed that the site was showing between 4kw and 6kw usage each day. Wh... |
117,565 | I (with the help of an HVAC professional) installed a ductless, split system. It's a 24,000 BTU, single head system. What surprised me is how much energy (relative to everything else in the house) it uses while in the off/stand-by mode.
It's on a dedicated circuit, and I calculated using my Aeotec Home Energy Monitor ... | 2017/06/30 | [
"https://diy.stackexchange.com/questions/117565",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/3861/"
] | Your unit is probably a Heat Pump. I sell these and I'm not aware of any companies that still sell a/c only units since the cost difference was minimal they have been phased out. So being a heat pump it would have a crankcase heater either under or wrapped around the compressor. As long as the main power switch is on t... | My Mitsubishi mini splits use .75 kwh each when "off". When you are only allotted 22 kw per day, they severely eat in to my allotment.
I have to turn the breakers completely off, or I go over my "allowed" consumption. |
23,338 | I am currently watching the Rapid World Championship and the amount of draws between players is absolutely shocking. I'm not talking about games where each player fights to the end and the game just happens to be a draw - that is perfectly okay in my opinion.
But so many games are being drawn on default - players are... | 2018/12/28 | [
"https://chess.stackexchange.com/questions/23338",
"https://chess.stackexchange.com",
"https://chess.stackexchange.com/users/18166/"
] | Anish Giri was likely playing a "solved" opening, one in which all lines have been analyzed to a draw. Also, Giri is **extremely** hard to beat and draws many of his games (his weakness is that he doesn't often win). In this situation, there was likely no room for progress outside of severe blunders, so it's almost a r... | Many FIDE tournaments do have a rule where a draw can only be reached after >= 30 moves. If I recall correctly, this rule is quite predominant especially in the closed tournaments which super GMs play in.
I suppose they could also implement the rule in rapid and blitz tournaments, but these events are more informal an... |
272,747 | I was walking around like a fool in the park and I was basically going around for 2 hours looking at my screen. Does the game give a notification when you see a Pokemon close enough to tab it or do I have to glue my eyes to my cellphone? | 2016/07/07 | [
"https://gaming.stackexchange.com/questions/272747",
"https://gaming.stackexchange.com",
"https://gaming.stackexchange.com/users/153371/"
] | Personal experience:
The screen needs to be on and Pokemon Go needs to be active.
It will vibrate when a Pokemon is near.
When you get the accessory called [Pokemon Go Plus](http://rads.stackoverflow.com/amzn/click/B01H482N6E) it will notify when Pokemon are near even when the screen is not active.
Pokemon Go has... | In order to receive notifications about nearby Pokemon and have steps tracked for egg counting, you must have the screen on and the app in the foreground.
You may use Battery Saver Mode to darken your screen and avoid looking at your phone. When the phone is turned upside-down (in your pocket, for example), the screen... |
9,116,567 | After researching ways to make a secure log in form with 'remember me' functionality I've come across many conflicting views on how to make this secure. The log in system I wish to create does not need to be highly secure, but I'd like to pick a nice secure and easy method and I have two questions.
1. What should be s... | 2012/02/02 | [
"https://Stackoverflow.com/questions/9116567",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1130734/"
] | Usually if you want to remember the user, you generate a "key" and store it in the database, then set its "lifetime" (this can be anything, like 6 hours or 2 days). You store that key in the cookie (along with the userid). Now, every time the user connects to the website you compare both keys. If the key in the databas... | 1. If the account has already been compromised, there's little, if anything, that you can do. The malicious user will likely change the account password him/herself, along with the email address, etc. Trying to account for the case where the "real" user and a malicious user are logged in at the same time is pointless, ... |
4,413,893 | I'm to make a firefox extension which will inject some js code as well as whole jQuery lib.
I want it to happen (the injection) when user pushes the button placed somewhere in the browser. I have read docs form MDC and other tutorials about making the extensions and they seem complicated to me. Technologies such as XPC... | 2010/12/10 | [
"https://Stackoverflow.com/questions/4413893",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/538465/"
] | I would take a look at [Greasemonkey](http://www.greasespot.net/). It shares some similarity with Chrome plugins in function (Script gets injected on the page, local storage, etc). As for using JQuery with Greasemonkey, look at this question: [How can I use jQuery in Greasemonkey?](https://stackoverflow.com/questions/8... | You can use a [bookmarklet to add jQuery](http://www.learningjquery.com/2009/04/better-stronger-safer-jquerify-bookmarklet/) to a page and/or inject any other code. |
38,395,045 | For Christmas 2016, me and my dad want to do a Lightshow for our neighborhood with lights and **music**.
[](https://i.stack.imgur.com/s86mw.jpg)
We have the lights set up, but the music is a problem. We don't want to put huge speakers in our garden be... | 2016/07/15 | [
"https://Stackoverflow.com/questions/38395045",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3975501/"
] | I have a complete solution stack for you:
* You should use an [OpenWRT](https://wiki.openwrt.org/doc/howto/wireless.hotspot.wifidog) router to build a [captive portal](https://en.wikipedia.org/wiki/WiFiDog_Captive_Portal) (all http could be redirected to your url -> your audio streaming pc)
* A [VLC](http://www.videol... | It seems that the dev has already been done, there is an app "Speakerfy" that looks promising.
It is available on most of the mobile platforms and seems to do exactly what you need.
There is an article on this app at the following link that should give even more info.
<http://techland.time.com/2013/04/01/speakerfy-a-fr... |
38,395,045 | For Christmas 2016, me and my dad want to do a Lightshow for our neighborhood with lights and **music**.
[](https://i.stack.imgur.com/s86mw.jpg)
We have the lights set up, but the music is a problem. We don't want to put huge speakers in our garden be... | 2016/07/15 | [
"https://Stackoverflow.com/questions/38395045",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3975501/"
] | If you can get everyone to download this app: [SoundWire](https://play.google.com/store/apps/details?id=com.georgie.SoundWireFree&hl=en) you can stream audio from Windows to any Android phone (assuming your friends are cool)
Check it out looks pretty cool, you can even stream a youtube video and get the audio synced ... | It seems that the dev has already been done, there is an app "Speakerfy" that looks promising.
It is available on most of the mobile platforms and seems to do exactly what you need.
There is an article on this app at the following link that should give even more info.
<http://techland.time.com/2013/04/01/speakerfy-a-fr... |
38,395,045 | For Christmas 2016, me and my dad want to do a Lightshow for our neighborhood with lights and **music**.
[](https://i.stack.imgur.com/s86mw.jpg)
We have the lights set up, but the music is a problem. We don't want to put huge speakers in our garden be... | 2016/07/15 | [
"https://Stackoverflow.com/questions/38395045",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3975501/"
] | Your diagram suggests that each device would be on your local WiFi, which means the guests would need to join your network. That means they would need to know the SSID, there would be no need for a passphrase as you would need to publicly post the SSID and passphrase. Then, unless you have created some DMZ for this mus... | It seems that the dev has already been done, there is an app "Speakerfy" that looks promising.
It is available on most of the mobile platforms and seems to do exactly what you need.
There is an article on this app at the following link that should give even more info.
<http://techland.time.com/2013/04/01/speakerfy-a-fr... |
6,973,561 | i've got a few old mobos and i was wondering whether it might be possible to create a pair of pci header cards with interconnect wires and write some software to drive the interconnect cards to allow one of the mobos to access the cpu and ram on the other? i'm sure it would be an arduous undertaking involving writing a... | 2011/08/07 | [
"https://Stackoverflow.com/questions/6973561",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/882844/"
] | Is there any reason you cannot use a [DataGroup](http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/spark/components/DataGroup.html) wrapper around a [Scroller](http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/spark/components/Scroller.html) with a [TileLayout](http://help.adobe.com/en... | I'm not that familiar with the mobile version of Flex, but in ordinary Flex this is just a matter of defining a renderrer class for your List control and use a clickable image (or some Image Button class) as the renderrer. |
2,565,059 | I'm think something like Facebook apps here. User generated pieces of code that people can write to interact with my app.
I understand how an authenticated API works, but this seems a little more complicated because not only does the APP have to authenticate itself (with a regular api-key) but the USER using the app h... | 2010/04/02 | [
"https://Stackoverflow.com/questions/2565059",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/76486/"
] | Sure, start up Firebug while using any page that has jquery loaded and type commands into the console. Am I missing something? | I was googling for irb and jquery. Much better would have been injecting jquery firebug.
Found this
<http://www.learningjquery.com/2006/12/jquerify-bookmarklet>
and it answers my question. If any one has any other tips please share. |
11,105 | I would like to have a comparison between the privacy and scalability features of Monero vs Beam. I have heard some people say that these are privacy-oriented coins, and I would like to learn more. | 2019/04/13 | [
"https://monero.stackexchange.com/questions/11105",
"https://monero.stackexchange.com",
"https://monero.stackexchange.com/users/42/"
] | Beam authored a similar piece on a comparison between Beam, Monero, and Zcash that I recommend you read [here](https://medium.com/beam-mw/whats-the-difference-between-monero-zcash-and-beam-953eafd89354) to get a different perspective. I personally disagree with some points, but the high-level details are more or less c... | Beam is providing **better** privacy and **much better** scalability and IBD time than Monero. During the Dandelion stem phase, before the TXs are broadcasted to the P2P layer, they are being CoinJoined together. This is done by both Grin and Beam. Beam novel addition is the use of Decoy Outputs (Dummy Zero Outputs) wh... |
140,476 | Context
-------
An evil wizard has used [*True Polymorph*](https://www.dndbeyond.com/spells/true-polymorph) to make one of their minions resemble the king. As a precaution against diviners, the wizard also casts [*Nystul/Arcanist's Magic Aura*](https://www.dndbeyond.com/spells/arcanists-magic-aura), "Mask", for 30 day... | 2019/02/05 | [
"https://rpg.stackexchange.com/questions/140476",
"https://rpg.stackexchange.com",
"https://rpg.stackexchange.com/users/44303/"
] | The wording of the spell matters
--------------------------------
If the characters are aware that there might be an impostor and they word the spell carefully, then the spell will fail. For example "Show me Sir Galahad the Great, rightful King of Brittax, Friend of Elves." The polymorphed minion is not this specific ... | >
> Does the Locate Creature spell fail, potentially revealing to the adventurers that the imposter attending the party is not truly the king?
>
>
>
Yes
>
> Or does Nystal's Magic Aura cause Locate Creature to function normally?
>
>
>
No
There is no conflict here - each spell does exactly what it says it d... |
140,476 | Context
-------
An evil wizard has used [*True Polymorph*](https://www.dndbeyond.com/spells/true-polymorph) to make one of their minions resemble the king. As a precaution against diviners, the wizard also casts [*Nystul/Arcanist's Magic Aura*](https://www.dndbeyond.com/spells/arcanists-magic-aura), "Mask", for 30 day... | 2019/02/05 | [
"https://rpg.stackexchange.com/questions/140476",
"https://rpg.stackexchange.com",
"https://rpg.stackexchange.com/users/44303/"
] | Yes, but the spell fails for another reason
===========================================
*Nystal's Magic Aura* (MASK) states:
>
> You choose a creature type and other spells and magical effects treat the target as if it were a creature of that type or of that alignment.
>
>
>
The Mask is only changing the detecte... | >
> Does the Locate Creature spell fail, potentially revealing to the adventurers that the imposter attending the party is not truly the king?
>
>
>
Yes
>
> Or does Nystal's Magic Aura cause Locate Creature to function normally?
>
>
>
No
There is no conflict here - each spell does exactly what it says it d... |
140,476 | Context
-------
An evil wizard has used [*True Polymorph*](https://www.dndbeyond.com/spells/true-polymorph) to make one of their minions resemble the king. As a precaution against diviners, the wizard also casts [*Nystul/Arcanist's Magic Aura*](https://www.dndbeyond.com/spells/arcanists-magic-aura), "Mask", for 30 day... | 2019/02/05 | [
"https://rpg.stackexchange.com/questions/140476",
"https://rpg.stackexchange.com",
"https://rpg.stackexchange.com/users/44303/"
] | The wording of the spell matters
--------------------------------
If the characters are aware that there might be an impostor and they word the spell carefully, then the spell will fail. For example "Show me Sir Galahad the Great, rightful King of Brittax, Friend of Elves." The polymorphed minion is not this specific ... | Yes, but the spell fails for another reason
===========================================
*Nystal's Magic Aura* (MASK) states:
>
> You choose a creature type and other spells and magical effects treat the target as if it were a creature of that type or of that alignment.
>
>
>
The Mask is only changing the detecte... |
41,697,874 | I am very new to laravel, I saw that in every laravel tutorial there is Laravel homestead which is confusing for new learners. In fact, until now i don't understand what it is and why we are using it?
My question is very simple - can new learners start without homestead? Also I just wanted to know the importance of La... | 2017/01/17 | [
"https://Stackoverflow.com/questions/41697874",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1385107/"
] | Laravel Homestead is just a virtual machine (VM). It helps in preventing polluting your development environment. Assume you have two projects. One project is based on Laravel 4 and the other is based on Laravel 5.3. Developing and testing of the two projects Without using a VM would land you into some problems. Do you ... | Yes, you can learn without using homestead. Homestead is just a ready to go server instance that shares files with your host machine. It comes prepackaged with the 'recommended' versions of packages, so that all you need to do is spin it up and you're good to go. Some people can you wamp, or something similar, but keep... |
41,697,874 | I am very new to laravel, I saw that in every laravel tutorial there is Laravel homestead which is confusing for new learners. In fact, until now i don't understand what it is and why we are using it?
My question is very simple - can new learners start without homestead? Also I just wanted to know the importance of La... | 2017/01/17 | [
"https://Stackoverflow.com/questions/41697874",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1385107/"
] | Laravel Homestead is just a virtual machine (VM). It helps in preventing polluting your development environment. Assume you have two projects. One project is based on Laravel 4 and the other is based on Laravel 5.3. Developing and testing of the two projects Without using a VM would land you into some problems. Do you ... | Sure, You can go without homestead. You can use xampp, UwAmp, Wamp or any other server that's facilitating to execute php. Homestead is an environment that could also be used. Homestead is pre-packaged vagrant box with wonderful development environment. For more details just read <https://www.sitepoint.com/6-reasons-mo... |
106,225 | I am looking for a way to test whether a boundary threshold exists in a physiological response – a sample of the data is plotted below. My hypothesis is that the X-variable imposes a physiological constraint on Y-values, thus producing a boundary 'ceiling' for maximum Y-values that decreases at higher X-values (indicat... | 2014/07/08 | [
"https://stats.stackexchange.com/questions/106225",
"https://stats.stackexchange.com",
"https://stats.stackexchange.com/users/42170/"
] | You can use a permutation based test for such threshold.
[Permutation-based test](http://www.hydrol-earth-syst-sci.net/16/1255/2012/hess-16-1255-2012.pdf)
It tests the hypothesis whether a "data-sparse" region above the threshold line is due to a random chance or not.
In brief:
The basic idea behind is to calculat... | I would start by finding the "upper envelope" of your data and then representing the "envelope" as a straight line or piece-wise linear function.
For starters, you could estimate the "envelope" as a piece-wise constant function f(x) =max(yk, given abs(x-xk) is below delta), where delta is a parameter, say 3 and (xk, ... |
106,225 | I am looking for a way to test whether a boundary threshold exists in a physiological response – a sample of the data is plotted below. My hypothesis is that the X-variable imposes a physiological constraint on Y-values, thus producing a boundary 'ceiling' for maximum Y-values that decreases at higher X-values (indicat... | 2014/07/08 | [
"https://stats.stackexchange.com/questions/106225",
"https://stats.stackexchange.com",
"https://stats.stackexchange.com/users/42170/"
] | You can use a permutation based test for such threshold.
[Permutation-based test](http://www.hydrol-earth-syst-sci.net/16/1255/2012/hess-16-1255-2012.pdf)
It tests the hypothesis whether a "data-sparse" region above the threshold line is due to a random chance or not.
In brief:
The basic idea behind is to calculat... | This is potentially not the most robust solution. But you may be able to seriously improve the quality of the envelope using something along these lines:
1. break down your data into n intervals (where the number of intervals depends on the density of your data)
2. find the max of you data within each interval
3. Pass... |
14,511 | Is there any software for mac to create this particular 3d histogram:
given a matrix of value?
I've tried with Numbers but it doesn't have 3d histograms. | 2011/05/20 | [
"https://apple.stackexchange.com/questions/14511",
"https://apple.stackexchange.com",
"https://apple.stackexchange.com/users/1114/"
] | You can do things like that in [MatLab](http://www.mathworks.com/products/matlab/) or the free clone [Octave](http://www.gnu.org/software/octave/download.html). There's a script [here](http://daily-notes.net/2011/02/17/matlab-3d-histogram-and-surface-plot/). | [Grapher](http://guides.macrumors.com/Grapher) is probably the app you are looking for. It is already installed on your Mac by default. |
14,511 | Is there any software for mac to create this particular 3d histogram:
given a matrix of value?
I've tried with Numbers but it doesn't have 3d histograms. | 2011/05/20 | [
"https://apple.stackexchange.com/questions/14511",
"https://apple.stackexchange.com",
"https://apple.stackexchange.com/users/1114/"
] | You can do things like that in [MatLab](http://www.mathworks.com/products/matlab/) or the free clone [Octave](http://www.gnu.org/software/octave/download.html). There's a script [here](http://daily-notes.net/2011/02/17/matlab-3d-histogram-and-surface-plot/). | [LibreOffice](http://libreoffice.org/) (~ [OpenOffice](http://www.openoffice.org/) ~ [NeoOffice](http://www.neooffice.org)) to give some free office applications. |
14,511 | Is there any software for mac to create this particular 3d histogram:
given a matrix of value?
I've tried with Numbers but it doesn't have 3d histograms. | 2011/05/20 | [
"https://apple.stackexchange.com/questions/14511",
"https://apple.stackexchange.com",
"https://apple.stackexchange.com/users/1114/"
] | Microsoft Excel works for this sort of graph as well. | [R Studio](http://rstudio.org/) (the wonderful IDE for [R](http://cran.r-project.org/bin/macosx/)) can do this. It's the kind of the thing it was meant to do really. Free, open source and, IMO, easier to grasp than Octave (and free, wherease Matlab is most definitely not). You'll likely want the [RGL addon](http://www2... |
14,511 | Is there any software for mac to create this particular 3d histogram:
given a matrix of value?
I've tried with Numbers but it doesn't have 3d histograms. | 2011/05/20 | [
"https://apple.stackexchange.com/questions/14511",
"https://apple.stackexchange.com",
"https://apple.stackexchange.com/users/1114/"
] | [Mathematica](http://www.wolfram.com/mathematica/) is able to do this. | [R Studio](http://rstudio.org/) (the wonderful IDE for [R](http://cran.r-project.org/bin/macosx/)) can do this. It's the kind of the thing it was meant to do really. Free, open source and, IMO, easier to grasp than Octave (and free, wherease Matlab is most definitely not). You'll likely want the [RGL addon](http://www2... |
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