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 |
|---|---|---|---|---|---|
89,879 | In the new *Mad Max: Fury Road*, a major starting event is that Max is being used as
>
> a "blood bag" for one of the War Boys.
>
>
>
It seems to be implied later on that
>
> the war boy has some sort of terminal illness (indicated by the two strange lumps on his collar bone and a mention of night fevers).
>... | 2015/05/15 | [
"https://scifi.stackexchange.com/questions/89879",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/44357/"
] | In this post-apocalyptic world, probably brought on by nuclear war, pretty much everyone has been exposed to lots of radiation and it seems many of the War Boys have cancer. Nux is having night sweats and enlarged lymph nodes in his neck, so I'm guessing he has some lymphoma, a type of cancer that involves lymph nodes.... | The War Boys are all sick one way or another and have shortened lifespans, so they need blood transfusions to live longer and hopefully live long enough to become drivers. They probably have lymphedema, anemia, maybe leukemia, since that is also treated by blood transfusion.
It might also be to get adrenaline,
>
> ... |
133,512 | There are generally two kinds of ways to get admitted to a PhD program in Europe or some other places—one is through a calling for PhD applications by a research institute, a university department or a research division therein consisting of researchers involved with closely related research topics, and another is thro... | 2019/07/18 | [
"https://academia.stackexchange.com/questions/133512",
"https://academia.stackexchange.com",
"https://academia.stackexchange.com/users/79430/"
] | It sounds to me like you are trying to game the system by publishing Part A three times simultaneously with revisions to the wording to claim it is not self-plagiarized.
Assuming Part A is important, which it seems to be because you are describing it as a new technology, you seem to be trying to get three journals to ... | In general, the best way to approach this specific type of problem is to consult with your advisor and review the standards of the place (journal?) to where you are submitting this work.
As practical writing advice goes, arbitrarily changing sources will not help your readers. If you got your information from Source Z... |
1,543 | I recently remodeled a bedroom and installed new drywall. We painted the walls and ceiling with flat paint (since this is in the master bedroom and it is supposed to "hide" imprefections better than glossy finishes). But then we had a few "screw pops" in the ceiling where the drywall screws starting coming out (either ... | 2010/08/30 | [
"https://diy.stackexchange.com/questions/1543",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/617/"
] | Painting with a roller leaves an "orange peel" type texture that you can't match exactly with a brush. When you brushed your new paint on, the orange peel texture in the unsanded areas just telegraphed through your new brushed paint, but the smoothly sanded parts had no such base texture so they look visibly smoother.
... | Did you paint just one coat over the patches, or two? I've noticed texture differences when I patch something between the first and second coats. Something else you could try is to prime over the patch first, and then paint. |
1,543 | I recently remodeled a bedroom and installed new drywall. We painted the walls and ceiling with flat paint (since this is in the master bedroom and it is supposed to "hide" imprefections better than glossy finishes). But then we had a few "screw pops" in the ceiling where the drywall screws starting coming out (either ... | 2010/08/30 | [
"https://diy.stackexchange.com/questions/1543",
"https://diy.stackexchange.com",
"https://diy.stackexchange.com/users/617/"
] | Painting with a roller leaves an "orange peel" type texture that you can't match exactly with a brush. When you brushed your new paint on, the orange peel texture in the unsanded areas just telegraphed through your new brushed paint, but the smoothly sanded parts had no such base texture so they look visibly smoother.
... | The difference in the texture is because a roller was used originally and then you are painting the patch with a brush. Use a roller on the second coat and you will notice the texture will match exactly. That is one of the reasons why you are told to cut in on the edges with a brush first and then roll out the rest of ... |
10,643,092 | I'm currently doing a complete redesign of a universal app but the managers decided they want the iPhone version out first. The problem is that because it is a complete redesign, the old code is not compatible with the new frameworks without putting a lot of effort. So is there anyway for me to submit the update so tha... | 2012/05/17 | [
"https://Stackoverflow.com/questions/10643092",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1028448/"
] | To do this you will have to maintain both code trees in the one project and make sure that the iPad uses the old code and the iPhone uses the new code. This includes the old code using it's existing libraries etc. This sounds like a bit of a nightmare but I am sure it is achievable, it may be worth creating two distinc... | No, there is no way to do that. Since it is a universal app, the update will be pushed to both the iPad and the iPhone when you release it to the store. There is no work around that will prevent the release from showing up for the iPad as well. |
10,643,092 | I'm currently doing a complete redesign of a universal app but the managers decided they want the iPhone version out first. The problem is that because it is a complete redesign, the old code is not compatible with the new frameworks without putting a lot of effort. So is there anyway for me to submit the update so tha... | 2012/05/17 | [
"https://Stackoverflow.com/questions/10643092",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/1028448/"
] | To do this you will have to maintain both code trees in the one project and make sure that the iPad uses the old code and the iPhone uses the new code. This includes the old code using it's existing libraries etc. This sounds like a bit of a nightmare but I am sure it is achievable, it may be worth creating two distinc... | If @Paul.s answer is not viable, convert the universal target to that of iPhone only and update it in the AppStore and put an ALL CAPS appstore description asking the iPad users not to update. |
1,614,211 | I'm trying to set up a small window in my screen that is always on top but at the same time "ghosted" (not sure about the term), meaning I can't interact or activate it and any mouse click would go through it.
To be more specific I want VLC playing videos in a small window on top of a videogame, without it preventing ... | 2021/01/01 | [
"https://superuser.com/questions/1614211",
"https://superuser.com",
"https://superuser.com/users/290227/"
] | >
> I tried using usbtreeview and found this.
>
>
>
I am not familiar with this utility but the screenshot is telling me that the port does not support USB 3.x.
>
> Another device, a USB HDD DAS, can connect at superspeed on the same port, so that makes me believe the problem is the device? I'm using both the or... | Format the X6 as NTFS. Speeds are remarkably higher than with the exFat format it comes with. |
6,677 | I want to "delete" some friends from Facebook without them noticing. Is that possible?
Is possible at least to hide them from Facebook chat? | 2010/09/14 | [
"https://webapps.stackexchange.com/questions/6677",
"https://webapps.stackexchange.com",
"https://webapps.stackexchange.com/users/4225/"
] | If you remove someone as a friend they will not be notified, but they may notice that their friend count went down and that you are no longer on their list of friends.
To hide someone from Facebook chat, see [How do I stop someone from seeing me on Facebook Chat?](https://webapps.stackexchange.com/questions/1169/how-d... | If by "without them noticing" you mean that they are not notified, then you can go ahead and unfriend them. They will not be alerted in any way that you unfriended them.
But if you meant that you want them to see you as one of their friends still, then you can use friend lists to hide or show exactly what you want to ... |
6,677 | I want to "delete" some friends from Facebook without them noticing. Is that possible?
Is possible at least to hide them from Facebook chat? | 2010/09/14 | [
"https://webapps.stackexchange.com/questions/6677",
"https://webapps.stackexchange.com",
"https://webapps.stackexchange.com/users/4225/"
] | If by "without them noticing" you mean that they are not notified, then you can go ahead and unfriend them. They will not be alerted in any way that you unfriended them.
But if you meant that you want them to see you as one of their friends still, then you can use friend lists to hide or show exactly what you want to ... | mvdavid7 lists what I would consider to be the best solutions - either deleting them or putting them on a list which you turn off in chat. If you do chose to use lists to control access, I highly recommend that you read Engadget's [guide to controlling your facebook privacy using lists](http://www.engadget.com/2010/07/... |
6,677 | I want to "delete" some friends from Facebook without them noticing. Is that possible?
Is possible at least to hide them from Facebook chat? | 2010/09/14 | [
"https://webapps.stackexchange.com/questions/6677",
"https://webapps.stackexchange.com",
"https://webapps.stackexchange.com/users/4225/"
] | If you remove someone as a friend they will not be notified, but they may notice that their friend count went down and that you are no longer on their list of friends.
To hide someone from Facebook chat, see [How do I stop someone from seeing me on Facebook Chat?](https://webapps.stackexchange.com/questions/1169/how-d... | mvdavid7 lists what I would consider to be the best solutions - either deleting them or putting them on a list which you turn off in chat. If you do chose to use lists to control access, I highly recommend that you read Engadget's [guide to controlling your facebook privacy using lists](http://www.engadget.com/2010/07/... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | I can not came up with anything like that. But you should ask your teacher to install preferred IDE on school machine. You should keep in mind that, you should used what is on that PC if a IDE is not part of software you can used. Then you should used notepad and javac.
beside that an IDE is not required for basic pr... | Follow the instructions here:
<http://tgducusin.blogspot.com/2011/12/portable-eclipse-with-java-jdk-tomcat.html>
It's not a jar, but it should work for you, unless of course you literally meant **all** exe's are blocked (since even in the portable version, you still need to use the exe file to run it). I'm hoping you... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | I think that you should discuss this with your teacher.
* If the teacher is aware of the problem, he / she may have a pedagogical reason for not wanting you use an IDE. (An IDE is *not* essential for Java programming, and you could argue that you learn the language more deeply if you don't have an IDE completing thin... | I can not came up with anything like that. But you should ask your teacher to install preferred IDE on school machine. You should keep in mind that, you should used what is on that PC if a IDE is not part of software you can used. Then you should used notepad and javac.
beside that an IDE is not required for basic pr... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | [BlueJ](http://www.bluej.org/) is an IDE designed to help teach the Java language. It is available as an executable JAR which can be [downloaded](http://www.bluej.org/download/download.html) from the website. | I can not came up with anything like that. But you should ask your teacher to install preferred IDE on school machine. You should keep in mind that, you should used what is on that PC if a IDE is not part of software you can used. Then you should used notepad and javac.
beside that an IDE is not required for basic pr... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | Dr Java is a standalone jar file. It's pretty good for small stuff, however if you have a big project (many classes, packages, etc), I'd figure out a way to get Eclipse running.
<http://drjava.org/> | Follow the instructions here:
<http://tgducusin.blogspot.com/2011/12/portable-eclipse-with-java-jdk-tomcat.html>
It's not a jar, but it should work for you, unless of course you literally meant **all** exe's are blocked (since even in the portable version, you still need to use the exe file to run it). I'm hoping you... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | I think that you should discuss this with your teacher.
* If the teacher is aware of the problem, he / she may have a pedagogical reason for not wanting you use an IDE. (An IDE is *not* essential for Java programming, and you could argue that you learn the language more deeply if you don't have an IDE completing thin... | Dr Java is a standalone jar file. It's pretty good for small stuff, however if you have a big project (many classes, packages, etc), I'd figure out a way to get Eclipse running.
<http://drjava.org/> |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | [BlueJ](http://www.bluej.org/) is an IDE designed to help teach the Java language. It is available as an executable JAR which can be [downloaded](http://www.bluej.org/download/download.html) from the website. | Dr Java is a standalone jar file. It's pretty good for small stuff, however if you have a big project (many classes, packages, etc), I'd figure out a way to get Eclipse running.
<http://drjava.org/> |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | I think that you should discuss this with your teacher.
* If the teacher is aware of the problem, he / she may have a pedagogical reason for not wanting you use an IDE. (An IDE is *not* essential for Java programming, and you could argue that you learn the language more deeply if you don't have an IDE completing thin... | Follow the instructions here:
<http://tgducusin.blogspot.com/2011/12/portable-eclipse-with-java-jdk-tomcat.html>
It's not a jar, but it should work for you, unless of course you literally meant **all** exe's are blocked (since even in the portable version, you still need to use the exe file to run it). I'm hoping you... |
13,896,816 | Is there a java ide that is a .jar itself? I need an IDE for school and exe's are blocked but jar's are not. | 2012/12/15 | [
"https://Stackoverflow.com/questions/13896816",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/-1/"
] | [BlueJ](http://www.bluej.org/) is an IDE designed to help teach the Java language. It is available as an executable JAR which can be [downloaded](http://www.bluej.org/download/download.html) from the website. | Follow the instructions here:
<http://tgducusin.blogspot.com/2011/12/portable-eclipse-with-java-jdk-tomcat.html>
It's not a jar, but it should work for you, unless of course you literally meant **all** exe's are blocked (since even in the portable version, you still need to use the exe file to run it). I'm hoping you... |
76,649 | My primary email address is going to be invalid soon. So I want to change my email address for my Google account. However, it seems that I can't change my email address and I can't even add a new email address. This is what it looks like:
 | 2015/05/02 | [
"https://webapps.stackexchange.com/questions/76649",
"https://webapps.stackexchange.com",
"https://webapps.stackexchange.com/users/92382/"
] | NOTE: On a [recent comment](https://webapps.stackexchange.com/questions/76649/change-or-add-email-address-to-google-account/118231?noredirect=1#comment106407_118231) to another answer, the OP mentioned that their domain is gulli.com, a German domain. According to Wikipedia, on May 2018 the domain was sold.
---
The em... | On my previous answer the OP posted a comment saying
>
> It's my private Google account. I don't think we're talking about the same thing. I don't have a Google Apps account, just a regular Google account (GMail, PlayStore, ...)
>
>
>
I understand that they means that the primary email address has a gmail.com or... |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | Backend of mobile data service of bluemix is cloudant.For details please refer below link on getting started:
<https://www.ibm.com/developerworks/cloud/library/cl-rapiddev-app/> | It actually uses Cloudant behind the scenes. Cloudant is based on CouchDB and adds Lucene Indexes as well. |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | Backend of mobile data service of bluemix uses Cloudant NoSQL Database for Bluemix as datastore. | It actually uses Cloudant behind the scenes. Cloudant is based on CouchDB and adds Lucene Indexes as well. |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | It actually uses Cloudant behind the scenes. Cloudant is based on CouchDB and adds Lucene Indexes as well. | Basically, you can select any database service available on Bluemix to store your data. It depends on type of application and data to be stored. If you need to store relational data, go for a SQLDB service. If your mobile application need to store JSON data, then you need a NoSQL database service available on Bluemix. ... |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | Backend of mobile data service of bluemix is cloudant.For details please refer below link on getting started:
<https://www.ibm.com/developerworks/cloud/library/cl-rapiddev-app/> | Backend of mobile data service of bluemix uses Cloudant NoSQL Database for Bluemix as datastore. |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | Backend of mobile data service of bluemix is cloudant.For details please refer below link on getting started:
<https://www.ibm.com/developerworks/cloud/library/cl-rapiddev-app/> | Basically, you can select any database service available on Bluemix to store your data. It depends on type of application and data to be stored. If you need to store relational data, go for a SQLDB service. If your mobile application need to store JSON data, then you need a NoSQL database service available on Bluemix. ... |
27,423,912 | I have a JSP login page for a particular application with a session. When I sign out, I want to redirect it to my login page and end my session. So that when the person using the application presses the back button, my earlier transactions aren't seen. I don't want to disable by back button.
I am new to JSP. Can somebo... | 2014/12/11 | [
"https://Stackoverflow.com/questions/27423912",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/4350118/"
] | Backend of mobile data service of bluemix uses Cloudant NoSQL Database for Bluemix as datastore. | Basically, you can select any database service available on Bluemix to store your data. It depends on type of application and data to be stored. If you need to store relational data, go for a SQLDB service. If your mobile application need to store JSON data, then you need a NoSQL database service available on Bluemix. ... |
523,833 | How any EM wave travels in a vacuum or an empty space as the propagation of any wave needs a matter or disturbance. Any wave can propagate in a disturbance only. How can it travel in vaccum?
As wave's propagation needs to have any disturbance. | 2020/01/08 | [
"https://physics.stackexchange.com/questions/523833",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/235367/"
] | A force in classical physics is either gravity or Lorenz force or some macroscopic" pseudo force" which when broken down to more fundamental parts is either of the two. For example drag is a force given by - cV vhere V is the velocity vector. Newton's second law gives you the differential equation of motion relating fo... | Newton's First Law is not defined the way you have put up. The definition you have shown is a school level definition. The more precise definition comes at the graduation level, which is as follows:
>
> If the net force on a body is zero, then in the frame of this body, it
> is possible to choose a reference frame w... |
523,833 | How any EM wave travels in a vacuum or an empty space as the propagation of any wave needs a matter or disturbance. Any wave can propagate in a disturbance only. How can it travel in vaccum?
As wave's propagation needs to have any disturbance. | 2020/01/08 | [
"https://physics.stackexchange.com/questions/523833",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/235367/"
] | >
> Now what is force? To me force means action by which the velocity of an object changes.
>
>
>
A force may be considered to be any influence which *tends* to change the motion of an object. I emphasize "tends" because a force does not necessarily change the motion of an object if the net external force on the ... | Newton's First Law is not defined the way you have put up. The definition you have shown is a school level definition. The more precise definition comes at the graduation level, which is as follows:
>
> If the net force on a body is zero, then in the frame of this body, it
> is possible to choose a reference frame w... |
523,833 | How any EM wave travels in a vacuum or an empty space as the propagation of any wave needs a matter or disturbance. Any wave can propagate in a disturbance only. How can it travel in vaccum?
As wave's propagation needs to have any disturbance. | 2020/01/08 | [
"https://physics.stackexchange.com/questions/523833",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/235367/"
] | So according to you, there can be a condition where there is no force. But this not possible in reality. There is no such body which experiences zero force on it. A body always experiences net zero force if all the acting forces get to cancel out.
Now imagine you are standing on earth, how you are stable?
Stable means... | Newton's First Law is not defined the way you have put up. The definition you have shown is a school level definition. The more precise definition comes at the graduation level, which is as follows:
>
> If the net force on a body is zero, then in the frame of this body, it
> is possible to choose a reference frame w... |
523,833 | How any EM wave travels in a vacuum or an empty space as the propagation of any wave needs a matter or disturbance. Any wave can propagate in a disturbance only. How can it travel in vaccum?
As wave's propagation needs to have any disturbance. | 2020/01/08 | [
"https://physics.stackexchange.com/questions/523833",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/235367/"
] | >
> Now what is force? To me force means action by which the velocity of an object changes.
>
>
>
A force may be considered to be any influence which *tends* to change the motion of an object. I emphasize "tends" because a force does not necessarily change the motion of an object if the net external force on the ... | So according to you, there can be a condition where there is no force. But this not possible in reality. There is no such body which experiences zero force on it. A body always experiences net zero force if all the acting forces get to cancel out.
Now imagine you are standing on earth, how you are stable?
Stable means... |
523,833 | How any EM wave travels in a vacuum or an empty space as the propagation of any wave needs a matter or disturbance. Any wave can propagate in a disturbance only. How can it travel in vaccum?
As wave's propagation needs to have any disturbance. | 2020/01/08 | [
"https://physics.stackexchange.com/questions/523833",
"https://physics.stackexchange.com",
"https://physics.stackexchange.com/users/235367/"
] | >
> Now what is force? To me force means action by which the velocity of an object changes.
>
>
>
A force may be considered to be any influence which *tends* to change the motion of an object. I emphasize "tends" because a force does not necessarily change the motion of an object if the net external force on the ... | A force in classical physics is either gravity or Lorenz force or some macroscopic" pseudo force" which when broken down to more fundamental parts is either of the two. For example drag is a force given by - cV vhere V is the velocity vector. Newton's second law gives you the differential equation of motion relating fo... |
186,171 | Is it ethical to receive a reimbursement for purchasing something that helps you perform your job but was not ordered by your boss to purchase if you don't work exactly 8 hours everyday as a salaried employee? | 2022/07/11 | [
"https://workplace.stackexchange.com/questions/186171",
"https://workplace.stackexchange.com",
"https://workplace.stackexchange.com/users/-1/"
] | So as I understand it you bought something that would help you with your job without first asking your company if that was OK.
You won't be paid for this automatically. You have to ask to be paid, usually by submitting an expense claim for it. Submitting the claim is asking for it. If they agree to pay it that means t... | As an employee, your employer has to supply you with the tools you need. (I was told that hairdressers can be counter examples, buying for example very expensive scissors and if any other employee including the boss touches them there is hell to pay).
Normally you ask your manager for what is needed, and it gets suppl... |
30,077 | Can diamagnetic materials or a diamagnetic devise be used to propel using the magnetic field of the Sun in a solar polar magnetic assisted slingshot? | 2018/08/12 | [
"https://space.stackexchange.com/questions/30077",
"https://space.stackexchange.com",
"https://space.stackexchange.com/users/18879/"
] | What you are looking for is an [electrodynamic tether](https://en.wikipedia.org/wiki/Electrodynamic_tether). The wikipedia article goes quite into detail so I won't repeat everything here.
The short version is: Have a long conductor protruding from your space craft (The tether). If you apply direct current to the tet... | While CKA gives the right idea, it's not practically possible currently.
Many satellites use magnetorquers, which apply *torque* orienting the satellite in the right orientation. For applying current, you need a circuit, which forms a loop - and you're getting zero net thrust as there's the same amount of current goin... |
269,517 | The diffusion current density due to diffusion of electrons is given by:
Jn=(e)(Dn)(dn/dx)
The diffusion current density due to diffusion of holes is given by:
Jp=-(e)(Dp)(dp/dx)
I understand that for a semiconductor, Electron diffusion current density and hole diffusion current density are opposite to each other.So t... | 2016/11/15 | [
"https://electronics.stackexchange.com/questions/269517",
"https://electronics.stackexchange.com",
"https://electronics.stackexchange.com/users/115973/"
] | It stands for "charge enable" (active low), and is an external signal to enable/disable charging. If you don't want to disable charging you can omit the FET.
From the data sheet:
MPPSET: Input voltage set point. Use a voltage divider from input source to GND to set voltage on MPPSET to 1.2 V. To disable charge, pull ... | Just above the diagram on the data sheet you will see:
* Charge Enable on MPPSET Pin
So "CE" means Charge Enable.
The bar over the top indicates that it is active LOW. |
54,497 | I've been doing that manually for 2 months successfully (40% ROI) with SPX 0-1 DTE (Days To Expiration) options, both puts and calls. I might be just lucky so I purchased some data to do backtesting with 15m timeframe. I didn't complete the test yet but I can calculate probabilities of certain events happening that con... | 2020/05/28 | [
"https://quant.stackexchange.com/questions/54497",
"https://quant.stackexchange.com",
"https://quant.stackexchange.com/users/47310/"
] | *"Am I onto something or is this survivor bias?"*
Two obvious points.
1. two months is a very small sample even if you have a large number of trades, given that it's unlikely to be representative of conditions you can expect to see over a longer period
2. strategy might be capital constrained. 40% ROI on a modest amo... | I once did some research whether the momentum effect vanishes in the german stockmarket after its release in academic literatur (see Schwert, G.W. (2003) "Anomalies and market efficiency" for the american market)
Result was that it wasn't vanishing at all, but generated even more abnormal return on average over time. ... |
54,497 | I've been doing that manually for 2 months successfully (40% ROI) with SPX 0-1 DTE (Days To Expiration) options, both puts and calls. I might be just lucky so I purchased some data to do backtesting with 15m timeframe. I didn't complete the test yet but I can calculate probabilities of certain events happening that con... | 2020/05/28 | [
"https://quant.stackexchange.com/questions/54497",
"https://quant.stackexchange.com",
"https://quant.stackexchange.com/users/47310/"
] | *"Am I onto something or is this survivor bias?"*
Two obvious points.
1. two months is a very small sample even if you have a large number of trades, given that it's unlikely to be representative of conditions you can expect to see over a longer period
2. strategy might be capital constrained. 40% ROI on a modest amo... | **The last two months have been fairly abnormal relative to the majority of history**-- in a number of ways. I agree with your inclination to look to your backtest for clues as to what you can expect to make running your strategy in other market environments. |
186,125 | How do I install [Rigs of Rods](http://www.rigsofrods.com/) (open source vehicle simulator based on soft-body physics)?
I have compiled applications before like Gedit, Handbrake, XBMC but I can't seem to install/compile Rigs of Rods (and some of its dependencies). This proves to be quite the challenge for me.
I also... | 2012/09/10 | [
"https://askubuntu.com/questions/186125",
"https://askubuntu.com",
"https://askubuntu.com/users/36315/"
] | just try to boot on an ubuntu cd or usb key to test without installing ! | My PC Specs are Intel P4 HT 3.06Ghz LGA 1MB cache,1GB ddr1 ram (512+512), nVidia Geforce 6200 128mb VGA,ASUS P5Pe-vm Motherboard. this PC is Old..but ubuntu 12.04 Runs Great on it....If you are not sure about your PC...just boot your PC using a **Live CD** or a **Live Usb** |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | I believe ffao is correct about the image being a mistake, however we're then left with 'what is the solution to the original image?'
I think I figured it out...
[](https://i.stack.imgur.com/JoeOc.png)
Misdirection, making us assume image 1 has two ... | This is a question that requires some specific knowledge of the mathematical field of [topology](https://en.wikipedia.org/wiki/Topology). In that field you are allowed to manipulate shapes within certain parameters (primarily, you can't cut/break a shape or create a new hole in a surface, or push shapes through other s... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | The explanation in the slide seemed very odd, so I Google Image searched "culture fair IQ topology" and lots of variations of this image came up:
If you look at the topology question, it matches the... | I agree that the question is unclear —
hopelessly unclear and unanswerably cryptic.
As B. Gerbil points out, it isn’t even clear what “option 3” means.
But, if we assume that the six boxy diagrams
are numbered 0, 1, 2, 3, 4, and 5 (left to right),
or BLANK, 1, 2, 3, 4, and 5 (as in the version that [ffao found](https... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | I believe ffao is correct about the image being a mistake, however we're then left with 'what is the solution to the original image?'
I think I figured it out...
[](https://i.stack.imgur.com/JoeOc.png)
Misdirection, making us assume image 1 has two ... | This has a very logical explanation. You must follow the example in the left most box as **to where to place the dot in the subsequent examples**
The dot must fall inside a circle, and outside of the box
the topology is ONLY for the dot- as that is all that is stated. Don't get hung up on superfluous information.
[... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | I agree that the question is unclear —
hopelessly unclear and unanswerably cryptic.
As B. Gerbil points out, it isn’t even clear what “option 3” means.
But, if we assume that the six boxy diagrams
are numbered 0, 1, 2, 3, 4, and 5 (left to right),
or BLANK, 1, 2, 3, 4, and 5 (as in the version that [ffao found](https... | I'm sorry for spoiling. The thing is that there is something missing. These 6 squares are actual choce options for the problem that has been cut off. First one (with a dot) is the right answear and the dot is there just to clarify the choice. |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | The explanation in the slide seemed very odd, so I Google Image searched "culture fair IQ topology" and lots of variations of this image came up:
If you look at the topology question, it matches the... | I believe ffao is correct about the image being a mistake, however we're then left with 'what is the solution to the original image?'
I think I figured it out...
[](https://i.stack.imgur.com/JoeOc.png)
Misdirection, making us assume image 1 has two ... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | The explanation in the slide seemed very odd, so I Google Image searched "culture fair IQ topology" and lots of variations of this image came up:
If you look at the topology question, it matches the... | It took a while, but I think I have it. They're asking you to assume that those 2D shapes are floating in a 3D space, and that you can move around to look at them from another angle. So, select the shape which can be looked at from a different angle to reproduce the original shape.
* It can't be the second box: You're... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | Most likely:
**There has been a mistake**.
Oh, the irony...
---
There are several things wrong here:
Grammatical errors:
1. It says '5 choices provided' and there are 6, if we assume that the box furthest to the left is part of the options.
2. Says 'the box' and there are 2 boxes in each
Logical errors:
... | I agree that the question is unclear —
hopelessly unclear and unanswerably cryptic.
As B. Gerbil points out, it isn’t even clear what “option 3” means.
But, if we assume that the six boxy diagrams
are numbered 0, 1, 2, 3, 4, and 5 (left to right),
or BLANK, 1, 2, 3, 4, and 5 (as in the version that [ffao found](https... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | This has a very logical explanation. You must follow the example in the left most box as **to where to place the dot in the subsequent examples**
The dot must fall inside a circle, and outside of the box
the topology is ONLY for the dot- as that is all that is stated. Don't get hung up on superfluous information.
[... | I agree that the question is unclear —
hopelessly unclear and unanswerably cryptic.
As B. Gerbil points out, it isn’t even clear what “option 3” means.
But, if we assume that the six boxy diagrams
are numbered 0, 1, 2, 3, 4, and 5 (left to right),
or BLANK, 1, 2, 3, 4, and 5 (as in the version that [ffao found](https... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | The explanation in the slide seemed very odd, so I Google Image searched "culture fair IQ topology" and lots of variations of this image came up:
If you look at the topology question, it matches the... | This has a very logical explanation. You must follow the example in the left most box as **to where to place the dot in the subsequent examples**
The dot must fall inside a circle, and outside of the box
the topology is ONLY for the dot- as that is all that is stated. Don't get hung up on superfluous information.
[... |
53,767 | I'm reading up on various IQ tests, and a slideshow that I stumbled upon gave the following example:
[](https://i.stack.imgur.com/z4wOh.png)
This doesn't make sense to me, as none of the options duplicate the conditions in the far left image, and it's left me thinking t... | 2017/07/25 | [
"https://puzzling.stackexchange.com/questions/53767",
"https://puzzling.stackexchange.com",
"https://puzzling.stackexchange.com/users/10909/"
] | I believe ffao is correct about the image being a mistake, however we're then left with 'what is the solution to the original image?'
I think I figured it out...
[](https://i.stack.imgur.com/JoeOc.png)
Misdirection, making us assume image 1 has two ... | You guys, it's pretty simple. It's meant to say "far RIGHT box", not "far LEFT box". From there, the puzzle is simple. |
69,850,908 | I want to build a small solution that will transfer files from Azure to GCP. The solution itself works fine, but I don't see any solution anywhere that could inform me that the transfer started, ended or there was an error (e.g. on Slack). I can't see anything in the logs that could help me. I tried to do it with PUB/S... | 2021/11/05 | [
"https://Stackoverflow.com/questions/69850908",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/7266644/"
] | At this point in time, the Cloud Data transfer service has no way to send notifications(mail/slack/etc), you could try to implement something by monitoring the logs of the GCS bucket.
In the case you are mentioning, you could be [monitoring the logs](https://cloud.google.com/logging/docs/alerting/monitoring-logs#mgmt)... | I am part of Storage Transfer Service team. We offer a to get notified via pubsub of the state of the transfer job. It's an API only feature at this time. Check out [here](https://cloud.google.com/storage-transfer/docs/pub-sub-transfer). |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | Can You open windows with remote key ? Some models have feature, that pressing unlock button for about 5 or 10 seconds vehicle unlocks and all windows goes down. If windows is opened, then press and hold lock button for about 5 or 10 seconds and then windows must close. In that way you can check if its mechanical (swit... | Another option to try if all of the above fail. There is a relationship with user66001, just slightly different.
<https://www.youtube.com/watch?v=ZZs0uURnEN8&vl=ru> |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | My S60R had the same problem on the driver side window. Hold the button fully in order to close the window, but hold it when it gets to the top for 10 seconds. You will hear the window "nudge" from inside the door. Then immediately release and fully press the button again. It should now go up and stay up when using the... | Can You open windows with remote key ? Some models have feature, that pressing unlock button for about 5 or 10 seconds vehicle unlocks and all windows goes down. If windows is opened, then press and hold lock button for about 5 or 10 seconds and then windows must close. In that way you can check if its mechanical (swit... |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | My S60R had the same problem on the driver side window. Hold the button fully in order to close the window, but hold it when it gets to the top for 10 seconds. You will hear the window "nudge" from inside the door. Then immediately release and fully press the button again. It should now go up and stay up when using the... | Another option to try if all of the above fail. There is a relationship with user66001, just slightly different.
<https://www.youtube.com/watch?v=ZZs0uURnEN8&vl=ru> |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | Can You open windows with remote key ? Some models have feature, that pressing unlock button for about 5 or 10 seconds vehicle unlocks and all windows goes down. If windows is opened, then press and hold lock button for about 5 or 10 seconds and then windows must close. In that way you can check if its mechanical (swit... | For my old 2004 S60 with this problem after I replaced the window channel clips, I tried [Johann Myburgh](https://mechanics.stackexchange.com/users/1380)'s [answer](https://mechanics.stackexchange.com/questions/11247/volvo-automatic-windows-wont-stay-closed/#27752) however it didn't change my symptoms; didn't want to d... |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | The cheapest, easiest thing you can try is to disconnect your battery for 30 minutes (check your owner's manual for the proper way of doing this). When you connect the battery again, your electric windows would have reset their soft limits (so called because the SOFTware learns what "fully open" and "fully closed" "fee... | Can You open windows with remote key ? Some models have feature, that pressing unlock button for about 5 or 10 seconds vehicle unlocks and all windows goes down. If windows is opened, then press and hold lock button for about 5 or 10 seconds and then windows must close. In that way you can check if its mechanical (swit... |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | Many vehicles equipped with remote keys have a "hidden" feature in which the windows roll down when the unlock button is pressed for a few seconds.
It may be that the unlock button is stuck and causes your windows to roll down. If this is the case, the windows should not roll down if you use a different, working remot... | Another option to try if all of the above fail. There is a relationship with user66001, just slightly different.
<https://www.youtube.com/watch?v=ZZs0uURnEN8&vl=ru> |
11,247 | The automatic windows on my 2005 Volvo XC90 roll back down after they have closed.
Does the computer think that something is stuck in the window, and roll it down?
It doesn't roll both of the windows at the same time. | 2014/07/08 | [
"https://mechanics.stackexchange.com/questions/11247",
"https://mechanics.stackexchange.com",
"https://mechanics.stackexchange.com/users/6398/"
] | The cheapest, easiest thing you can try is to disconnect your battery for 30 minutes (check your owner's manual for the proper way of doing this). When you connect the battery again, your electric windows would have reset their soft limits (so called because the SOFTware learns what "fully open" and "fully closed" "fee... | For my old 2004 S60 with this problem after I replaced the window channel clips, I tried [Johann Myburgh](https://mechanics.stackexchange.com/users/1380)'s [answer](https://mechanics.stackexchange.com/questions/11247/volvo-automatic-windows-wont-stay-closed/#27752) however it didn't change my symptoms; didn't want to d... |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I would imagine it's because, since you won't get any useful generalization of policy out of anything but toy problems, and the reward function is going to look suspiciously like an A\* heuristic, the prospect of using RL tends to look like a really overbuilt, inefficient way of getting results that are identical with ... | Pathfinding is a relatively "solved" problem, RL is not.
With A\*, developers can create heuristics quickly and improve them over time. RL (I'm talking about Q-Learning, when referring to RL here), takes time to compute the best learning rates and discount factors (time worth spending on other aspects of the game). |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I would imagine it's because, since you won't get any useful generalization of policy out of anything but toy problems, and the reward function is going to look suspiciously like an A\* heuristic, the prospect of using RL tends to look like a really overbuilt, inefficient way of getting results that are identical with ... | Without knowing much about RL, I'll attempt to answer your question with other questions:
Using RL, can you determine if it's possible to reach point A from point B?
Can RL guarantee reproducible/consistent/testable navigation behavior?
How does memory and CPU run time requirements compare vs. A\*? Likewise, how mu... |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I would imagine it's because, since you won't get any useful generalization of policy out of anything but toy problems, and the reward function is going to look suspiciously like an A\* heuristic, the prospect of using RL tends to look like a really overbuilt, inefficient way of getting results that are identical with ... | I'm confused by the suggestion that RL is "a more natural paradigm". I don't see how reinforcement learning maps to the problem domain anywhere near as cleanly or accurately as graph search does. Typically you don't want an agent to learn - you've assumed that they already know the route. Instead, you want them to pick... |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | Without knowing much about RL, I'll attempt to answer your question with other questions:
Using RL, can you determine if it's possible to reach point A from point B?
Can RL guarantee reproducible/consistent/testable navigation behavior?
How does memory and CPU run time requirements compare vs. A\*? Likewise, how mu... | It really depends on the types of the game. If everything in the game is static,
it's more efficient to use A\* search. However, if there are other human players
moving in the same area, A\* search is guaranteed failure. A\* search
has no idea about where other players are heading. On the other hand,
RL can model othe... |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | It really depends on the types of the game. If everything in the game is static,
it's more efficient to use A\* search. However, if there are other human players
moving in the same area, A\* search is guaranteed failure. A\* search
has no idea about where other players are heading. On the other hand,
RL can model othe... | In general, I'd say that the choice between RL and A\* comes down to one major part of the setting: is the terrain known in advance or not? If it is, A\* should be used. If not, RL should be used. |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I'm confused by the suggestion that RL is "a more natural paradigm". I don't see how reinforcement learning maps to the problem domain anywhere near as cleanly or accurately as graph search does. Typically you don't want an agent to learn - you've assumed that they already know the route. Instead, you want them to pick... | In general, I'd say that the choice between RL and A\* comes down to one major part of the setting: is the terrain known in advance or not? If it is, A\* should be used. If not, RL should be used. |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I'm confused by the suggestion that RL is "a more natural paradigm". I don't see how reinforcement learning maps to the problem domain anywhere near as cleanly or accurately as graph search does. Typically you don't want an agent to learn - you've assumed that they already know the route. Instead, you want them to pick... | It really depends on the types of the game. If everything in the game is static,
it's more efficient to use A\* search. However, if there are other human players
moving in the same area, A\* search is guaranteed failure. A\* search
has no idea about where other players are heading. On the other hand,
RL can model othe... |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | I'm confused by the suggestion that RL is "a more natural paradigm". I don't see how reinforcement learning maps to the problem domain anywhere near as cleanly or accurately as graph search does. Typically you don't want an agent to learn - you've assumed that they already know the route. Instead, you want them to pick... | Pathfinding is a relatively "solved" problem, RL is not.
With A\*, developers can create heuristics quickly and improve them over time. RL (I'm talking about Q-Learning, when referring to RL here), takes time to compute the best learning rates and discount factors (time worth spending on other aspects of the game). |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | Without knowing much about RL, I'll attempt to answer your question with other questions:
Using RL, can you determine if it's possible to reach point A from point B?
Can RL guarantee reproducible/consistent/testable navigation behavior?
How does memory and CPU run time requirements compare vs. A\*? Likewise, how mu... | In general, I'd say that the choice between RL and A\* comes down to one major part of the setting: is the terrain known in advance or not? If it is, A\* should be used. If not, RL should be used. |
7,648 | The venerable shortest-path graph theoretic algorithm A\* and subsequent improvements (e.g., Hierarchical Annotated A\*) is clearly the technique of choice for pathfinding in game development.
Instead, it just seems to me that RL is a more natural paradigm to move a character around a game space.
And yet I'm not awa... | 2011/01/24 | [
"https://gamedev.stackexchange.com/questions/7648",
"https://gamedev.stackexchange.com",
"https://gamedev.stackexchange.com/users/4784/"
] | Without knowing much about RL, I'll attempt to answer your question with other questions:
Using RL, can you determine if it's possible to reach point A from point B?
Can RL guarantee reproducible/consistent/testable navigation behavior?
How does memory and CPU run time requirements compare vs. A\*? Likewise, how mu... | Pathfinding is a relatively "solved" problem, RL is not.
With A\*, developers can create heuristics quickly and improve them over time. RL (I'm talking about Q-Learning, when referring to RL here), takes time to compute the best learning rates and discount factors (time worth spending on other aspects of the game). |
118,326 | **Question:** How can users be motivated to vote more?
Please do not consider the following a ‘personal’ belief – but rather an observation of human nature (likely nothing revolutionary at that).
My understanding of the design of this site is that it is predicated upon the notion that a game like design fosters parti... | 2012/01/08 | [
"https://meta.stackexchange.com/questions/118326",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/176503/"
] | >
> Voting (in a game scenario) rewards (advances) your ‘opponent’ with no gain to yourself.
>
>
>
I think you might have a flaw in the reason people don't vote.
I have no opponent here. I'm not in it to "win" and I think you'll find none of the high rep users are here to "win".
We're here to help others, so tha... | I vote a lot (the most on SF) because I find it educational to read a lot of questions and answers. I don't answer as many questions as I'd like to, so I contribute to the site by voting up the questions and answers that I think are good and down the bad ones. (And lots of voting to close, to get rid of the really crap... |
118,326 | **Question:** How can users be motivated to vote more?
Please do not consider the following a ‘personal’ belief – but rather an observation of human nature (likely nothing revolutionary at that).
My understanding of the design of this site is that it is predicated upon the notion that a game like design fosters parti... | 2012/01/08 | [
"https://meta.stackexchange.com/questions/118326",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/176503/"
] | >
> Voting (in a game scenario) rewards (advances) your ‘opponent’ with no gain to yourself.
>
>
>
I think you might have a flaw in the reason people don't vote.
I have no opponent here. I'm not in it to "win" and I think you'll find none of the high rep users are here to "win".
We're here to help others, so tha... | I vote as a public service. I do it to tell others who come after me "yes, this answer is a good one" or "yes, that is the answer I would have written." Occasionally I vote down, to say "do not use this answer, it's not good."
Like many people, I don't vote much on questions. I try to vote up everything I answer, to ... |
118,326 | **Question:** How can users be motivated to vote more?
Please do not consider the following a ‘personal’ belief – but rather an observation of human nature (likely nothing revolutionary at that).
My understanding of the design of this site is that it is predicated upon the notion that a game like design fosters parti... | 2012/01/08 | [
"https://meta.stackexchange.com/questions/118326",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/176503/"
] | >
> Voting (in a game scenario) rewards (advances) your ‘opponent’ with no gain to yourself.
>
>
>
I think you might have a flaw in the reason people don't vote.
I have no opponent here. I'm not in it to "win" and I think you'll find none of the high rep users are here to "win".
We're here to help others, so tha... | This is the second time this week that someone has tried to "fix" the voting problem by making complicated changes to the system. In [this answer](https://meta.stackexchange.com/a/118111/160166), I wrote about how we had a similar problem on gardening.se (admittedly, a tiny site when compared to SF), and by demonstrati... |
118,326 | **Question:** How can users be motivated to vote more?
Please do not consider the following a ‘personal’ belief – but rather an observation of human nature (likely nothing revolutionary at that).
My understanding of the design of this site is that it is predicated upon the notion that a game like design fosters parti... | 2012/01/08 | [
"https://meta.stackexchange.com/questions/118326",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/176503/"
] | I vote as a public service. I do it to tell others who come after me "yes, this answer is a good one" or "yes, that is the answer I would have written." Occasionally I vote down, to say "do not use this answer, it's not good."
Like many people, I don't vote much on questions. I try to vote up everything I answer, to ... | I vote a lot (the most on SF) because I find it educational to read a lot of questions and answers. I don't answer as many questions as I'd like to, so I contribute to the site by voting up the questions and answers that I think are good and down the bad ones. (And lots of voting to close, to get rid of the really crap... |
118,326 | **Question:** How can users be motivated to vote more?
Please do not consider the following a ‘personal’ belief – but rather an observation of human nature (likely nothing revolutionary at that).
My understanding of the design of this site is that it is predicated upon the notion that a game like design fosters parti... | 2012/01/08 | [
"https://meta.stackexchange.com/questions/118326",
"https://meta.stackexchange.com",
"https://meta.stackexchange.com/users/176503/"
] | This is the second time this week that someone has tried to "fix" the voting problem by making complicated changes to the system. In [this answer](https://meta.stackexchange.com/a/118111/160166), I wrote about how we had a similar problem on gardening.se (admittedly, a tiny site when compared to SF), and by demonstrati... | I vote a lot (the most on SF) because I find it educational to read a lot of questions and answers. I don't answer as many questions as I'd like to, so I contribute to the site by voting up the questions and answers that I think are good and down the bad ones. (And lots of voting to close, to get rid of the really crap... |
24,781 | I've played regular Resistance and I have Resistance Avalon, but I've never played Resistance Coup is it worth getting? I like that you can play with just 2 people but, besides that I don't know much about it. | 2015/06/23 | [
"https://boardgames.stackexchange.com/questions/24781",
"https://boardgames.stackexchange.com",
"https://boardgames.stackexchange.com/users/12903/"
] | I'd like to post an additional, though not entirely different answer to Joey's.
Coup is a completely different game.
Key distinguishing elements are:
* Coup has no co-operative element like The Resistance does, it's entirely out for yourself and trying to outlive all the other players.
* Coup is a very short game ... | Coup is a distinctly different game. Whether it is "worth" getting depends on many subjective things. You might consider wording your question differently to ask about the differences to minimize the chance it gets closed for being too subjective.
In any case, coup is a bluffing game where you use any and all powers o... |
182,440 | The aperiodic monotile problem asks whether there exists a single tile that every tiling of the plane made with it results non-periodic. What is known about this problem? If this tile exists, how can it be/not be? how could it (not) be constructed?
EDIT: I'm thinking about the most restrictive case where the single t... | 2014/10/03 | [
"https://mathoverflow.net/questions/182440",
"https://mathoverflow.net",
"https://mathoverflow.net/users/49443/"
] | In three dimensions there is a known aperiodic tile, the Schmitt–Conway–Danzer. I am pretty sure that this idea can easely be extended to any dimension $d \geq 3$, if anyone cares.
In one dimension, it is known that such tiling cannot exist.
The problem was open in two dimensions until few years ago. And it may be so... | [Richard Kenyon showed](http://link.springer.com/article/10.1007%2FBF01231905) that any topological disk which can tile by translates can also tile periodically. |
1,472 | Do all wool-bearing animals, especially sheep and alpaca, need to be regularly shorn to maintain their health? Is it true that sheep's wool will grow to the point where it threatens the sheep's life if it is never shorn?
If this is true for some animals, is it because of a long history of domestication and breeding fo... | 2018/05/08 | [
"https://vegetarianism.stackexchange.com/questions/1472",
"https://vegetarianism.stackexchange.com",
"https://vegetarianism.stackexchange.com/users/1236/"
] | Wild sheep shed their excess wool. Domesticated breeds, other than those specifically bred to grow wool non-stop, also shed annually.
**Sources**:
* [Will a Sheep’s Wool Grow Forever?](https://modernfarmer.com/2013/07/will-sheep-wool-grow-forever/) (Requires some reading between the lines. For example, reference is m... | Though I cannot actually answer the question, if I understand the implication of the question, then the idea is "checkmate, animal lover! We need to shear the sheep, otherwise it will die! Therefore I should be able to keep my farm animals." The fallacy here is that there is no reason why people should continue to **br... |
1,472 | Do all wool-bearing animals, especially sheep and alpaca, need to be regularly shorn to maintain their health? Is it true that sheep's wool will grow to the point where it threatens the sheep's life if it is never shorn?
If this is true for some animals, is it because of a long history of domestication and breeding fo... | 2018/05/08 | [
"https://vegetarianism.stackexchange.com/questions/1472",
"https://vegetarianism.stackexchange.com",
"https://vegetarianism.stackexchange.com/users/1236/"
] | While shedding does indeed occur as previously stated, it is a well known occurence that dense and curly fur/wool tends to get clutted even after releasing from the hair folicles (ask anyone with a hairy cat or dog or look into "deshedding", its a whole industry in itself). This is especially the case for livestock tha... | Though I cannot actually answer the question, if I understand the implication of the question, then the idea is "checkmate, animal lover! We need to shear the sheep, otherwise it will die! Therefore I should be able to keep my farm animals." The fallacy here is that there is no reason why people should continue to **br... |
1,472 | Do all wool-bearing animals, especially sheep and alpaca, need to be regularly shorn to maintain their health? Is it true that sheep's wool will grow to the point where it threatens the sheep's life if it is never shorn?
If this is true for some animals, is it because of a long history of domestication and breeding fo... | 2018/05/08 | [
"https://vegetarianism.stackexchange.com/questions/1472",
"https://vegetarianism.stackexchange.com",
"https://vegetarianism.stackexchange.com/users/1236/"
] | While shedding does indeed occur as previously stated, it is a well known occurence that dense and curly fur/wool tends to get clutted even after releasing from the hair folicles (ask anyone with a hairy cat or dog or look into "deshedding", its a whole industry in itself). This is especially the case for livestock tha... | Wild sheep shed their excess wool. Domesticated breeds, other than those specifically bred to grow wool non-stop, also shed annually.
**Sources**:
* [Will a Sheep’s Wool Grow Forever?](https://modernfarmer.com/2013/07/will-sheep-wool-grow-forever/) (Requires some reading between the lines. For example, reference is m... |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Problem solved automatically with installing a newer version of IntelliJ IDEA. | For me is ctrl+F2 to terminate the process. |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Keymapping works if one got a few dime of time in their hands. For me, just pressing "q" and hitting enter comes out of existing command in the terminal.
Note: you wont see anything that you may type, so just go with the flow!!! | For me is ctrl+F2 to terminate the process. |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Control+C and then ENTER works in 2018.3 (in Windows). | Keymapping works if one got a few dime of time in their hands. For me, just pressing "q" and hitting enter comes out of existing command in the terminal.
Note: you wont see anything that you may type, so just go with the flow!!! |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Control+C and then ENTER works in 2018.3 (in Windows). | For me is ctrl+F2 to terminate the process. |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Problem solved automatically with installing a newer version of IntelliJ IDEA. | Control+C and then ENTER works in 2018.3 (in Windows). |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | Problem solved automatically with installing a newer version of IntelliJ IDEA. | You can close the terminal session by clicking the red X on the left of the the terminal tool window, and this should also kill any processes created by the terminal. If you want to run another command, just open the terminal back up. |
39,389,796 | When working with the built in terminal in IntelliJ IDEA 2016.2.3 on OSX El Capitan the process exiting command (control-c) doesn't work. It only writes `c` in the console and nothing happens. | 2016/09/08 | [
"https://Stackoverflow.com/questions/39389796",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/3674855/"
] | You can close the terminal session by clicking the red X on the left of the the terminal tool window, and this should also kill any processes created by the terminal. If you want to run another command, just open the terminal back up. | Keymapping works if one got a few dime of time in their hands. For me, just pressing "q" and hitting enter comes out of existing command in the terminal.
Note: you wont see anything that you may type, so just go with the flow!!! |
366,772 | I'm using windbg to examine some crash dumps sent in by an app. There seems to be some correlation between a crash I'm seeing and having a certain 3rd party DLL loaded into the process (a flaky Winsock LSP, I suspect). To make this sort of analysis easier in the future, is there a windbg script that would just show me ... | 2008/12/14 | [
"https://Stackoverflow.com/questions/366772",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/23524/"
] | You can use cdb to script the debugger, and it just prints to stdout - open the crash dump, have it print the loaded module list then exit, then you can use your favorite text manipulation tool (hint: its name is Perl ;) ) to search the list.
EDIT: Just to add some extra info, cdb is the command-line version of WinDbg... | I'm not sure I see why you want to do this, but you can output from WinDbg to a log and correlate with a list of DLLs. That's pretty easy to do in any scripting language such as Perl, Python etc. |
366,772 | I'm using windbg to examine some crash dumps sent in by an app. There seems to be some correlation between a crash I'm seeing and having a certain 3rd party DLL loaded into the process (a flaky Winsock LSP, I suspect). To make this sort of analysis easier in the future, is there a windbg script that would just show me ... | 2008/12/14 | [
"https://Stackoverflow.com/questions/366772",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/23524/"
] | Try using "lm e" with your symbol path set to Microsoft's symbol server (and with only MS symbols loaded). That will cause WinDbg to show a list of all modules with any sort of symbol "problem" including modules that have not been loaded.
The keys to making this work are:
1. The sympath is only set to use the MS symb... | You can use cdb to script the debugger, and it just prints to stdout - open the crash dump, have it print the loaded module list then exit, then you can use your favorite text manipulation tool (hint: its name is Perl ;) ) to search the list.
EDIT: Just to add some extra info, cdb is the command-line version of WinDbg... |
366,772 | I'm using windbg to examine some crash dumps sent in by an app. There seems to be some correlation between a crash I'm seeing and having a certain 3rd party DLL loaded into the process (a flaky Winsock LSP, I suspect). To make this sort of analysis easier in the future, is there a windbg script that would just show me ... | 2008/12/14 | [
"https://Stackoverflow.com/questions/366772",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/23524/"
] | You can use cdb to script the debugger, and it just prints to stdout - open the crash dump, have it print the loaded module list then exit, then you can use your favorite text manipulation tool (hint: its name is Perl ;) ) to search the list.
EDIT: Just to add some extra info, cdb is the command-line version of WinDbg... | I wrote a small command-line app to solve exactly this problem a while back.
<http://www.sleep1000.com/software/dumpmod> |
366,772 | I'm using windbg to examine some crash dumps sent in by an app. There seems to be some correlation between a crash I'm seeing and having a certain 3rd party DLL loaded into the process (a flaky Winsock LSP, I suspect). To make this sort of analysis easier in the future, is there a windbg script that would just show me ... | 2008/12/14 | [
"https://Stackoverflow.com/questions/366772",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/23524/"
] | Try using "lm e" with your symbol path set to Microsoft's symbol server (and with only MS symbols loaded). That will cause WinDbg to show a list of all modules with any sort of symbol "problem" including modules that have not been loaded.
The keys to making this work are:
1. The sympath is only set to use the MS symb... | I'm not sure I see why you want to do this, but you can output from WinDbg to a log and correlate with a list of DLLs. That's pretty easy to do in any scripting language such as Perl, Python etc. |
366,772 | I'm using windbg to examine some crash dumps sent in by an app. There seems to be some correlation between a crash I'm seeing and having a certain 3rd party DLL loaded into the process (a flaky Winsock LSP, I suspect). To make this sort of analysis easier in the future, is there a windbg script that would just show me ... | 2008/12/14 | [
"https://Stackoverflow.com/questions/366772",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/23524/"
] | Try using "lm e" with your symbol path set to Microsoft's symbol server (and with only MS symbols loaded). That will cause WinDbg to show a list of all modules with any sort of symbol "problem" including modules that have not been loaded.
The keys to making this work are:
1. The sympath is only set to use the MS symb... | I wrote a small command-line app to solve exactly this problem a while back.
<http://www.sleep1000.com/software/dumpmod> |
4,630,422 | I'm trying to create an installer for windows (and potentially mac) that can install a browser extension for chrome, firefox, and for IE, and I'm totally stuck. Primarily I live in web-development land and I don't even really know where to start. This installer might eventually also include something like a bing toolba... | 2011/01/07 | [
"https://Stackoverflow.com/questions/4630422",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/567497/"
] | * Firefox: <https://developer.mozilla.org/en/Adding_Extensions_using_the_Windows_Registry>
* Chrome: <http://code.google.com/chrome/extensions/external_extensions.html#registry>
The WiX toolkit and community may be a good place to start wrt IE.
I presume that you are imagining something like LastPass's installer | For Windows there is probably not much you can do to avoid using Windows Installer, therefore I recommend that you take a look at [Wix](http://wix.sourceforge.net/), which is an open source toolset from Microsoft for generating installers that will shield you from a lot of problems.
I don't have any first hand experie... |
179,435 | I've been watching the later seasons of the show, and in some shots of the ship's model it looks like a section has merged with a meteor or some sort of rock.
[](https://i.stack.imgur.com/EvHoXm.png)
[Red Dwarf: Opening Sequence](https://youtu.be... | 2018/01/20 | [
"https://scifi.stackexchange.com/questions/179435",
"https://scifi.stackexchange.com",
"https://scifi.stackexchange.com/users/47051/"
] | According to the show's model-maker, the asteroid hit the Red Dwarf significantly *before* [everyone died](https://www.youtube.com/watch?v=shs7VQhVvxA).
>
> *"Rob and Doug didn't want it to look like a sophisticated spaceship –
> they wanted it to look like something that had been around for
> donkey's years," recall... | *Red Dwarf* is a mining ship owned by the Jupiter Mining Corporation. The asteroid(s) we see attached to the hull of the ship are being mined. [Wikipedia](https://en.wikipedia.org/wiki/Spacecraft_in_Red_Dwarf) cites [DVD commentary](https://en.wikipedia.org/wiki/Spacecraft_in_Red_Dwarf#cite_note-15) for this:
>
> "So... |
115,438 | I'm a semi-recent college grad (~9 months out of college). I want to move from my minor city to New York City but I want to save 4 to 5k before I do that. Therefore, I have to get a job but I'll probably be able to save 5k in six months.
How do I handle this? Should I job search like normal? Look for six month positio... | 2018/07/07 | [
"https://workplace.stackexchange.com/questions/115438",
"https://workplace.stackexchange.com",
"https://workplace.stackexchange.com/users/59163/"
] | You need to balance what's good for you with your conscience. You decide how much conscience you have :-)
My personal recommendation: Apply and find a job. Don't tell them you want to leave soon to move somewhere else, because nobody will hire you. Do your best to do a good job, save as much money as you can, and move... | Let's look at this from a different perspective.
What would you do if I just gave you $5k to keep and make a fresh start in NYC? Would you do it? Chances are you would - what you really seem to want to do here is to make your *real* start in New York City rather than the city you're currently in(let's call it X). But,... |
3,996,783 | Given a set of nodes, how can I construct a tree which links together all the nodes in a way which minimises *max(max(degree), max(depth))*?
For example, given a set of five nodes, I could connect them like so:
However, this is not minimal, sinc... | 2010/10/22 | [
"https://Stackoverflow.com/questions/3996783",
"https://Stackoverflow.com",
"https://Stackoverflow.com/users/108234/"
] | Go from opposite direction. Given a degree and a depth the maximum number of nodes is a sum = 1 + degree + degree^2 + ... + degree^depth. This is integer sequence [A031973](http://www.research.att.com/~njas/sequences/A031973). You can calculate it each time, or just store first dosen of values. Either case, you search ... | The maximum number of nodes in a tree with a depth == degree is n = Sum degree^k for k = 0 to degree-1. n fact that sum is a geometric series. Thus its value is equal to (degree^degree-1)/(degree-1) which is probably much faster to calculate. (even though speed didn't matter ;-) )
But you cannot solve the equation n = ... |
35,528 | In my organization, users have the rights to transfer files to and from servers using SSH File Transfer protocol for a variety of reasons; e.g. application troubleshooting, BAU, etc.
Although our servers are configured with logging to keep track of what users have done, we would still like to control the file transfer... | 2013/05/08 | [
"https://security.stackexchange.com/questions/35528",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/25699/"
] | Rainbow tables are precomputed hash tables which are used to crack the passwords in a relatively quicker time because looking up a table is much faster than calculating a hash.
>
> if one can find the hashed passwords one should be able to find the corresponding salts
>
>
>
The salt known to the attacker will not... | I see a rainbow table still working here, though with some more work.
if x is the hashed value for password+ salt and since salt can be known to everyone since it is stored in the database on in the application files, then i can still use a rainbow table
pick your rainbow table, add new columns i.e hashed\_password\_... |
35,528 | In my organization, users have the rights to transfer files to and from servers using SSH File Transfer protocol for a variety of reasons; e.g. application troubleshooting, BAU, etc.
Although our servers are configured with logging to keep track of what users have done, we would still like to control the file transfer... | 2013/05/08 | [
"https://security.stackexchange.com/questions/35528",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/25699/"
] | A [rainbow table](https://security.stackexchange.com/questions/379/what-are-rainbow-tables-and-how-are-they-used) is an optimization for reversing hashes by brute force. It works by a trade-off: you do a lot of precomputation to build a huge data structure, and you can then crack many hashes quickly.
A rainbow table o... | There are a couple of factors involved in salting, and you're missing (at least) one of those.
* They make rainbow tables useless. If someone looks in your password database and sees that a password is "5f4dcc3b5aa765d61d8327deb882cf99," they don't even need to build a "rainbow table," they can just google for that va... |
35,528 | In my organization, users have the rights to transfer files to and from servers using SSH File Transfer protocol for a variety of reasons; e.g. application troubleshooting, BAU, etc.
Although our servers are configured with logging to keep track of what users have done, we would still like to control the file transfer... | 2013/05/08 | [
"https://security.stackexchange.com/questions/35528",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/25699/"
] | You are fundamentally correct that it is just making the password longer but there are some additional things that it does add. Also the average password is not that long or secure and adding length "for free" is rarely bad. The salt makes it so that an attacker can't hash "password" once and then look for every user t... | A [rainbow table](https://security.stackexchange.com/questions/379/what-are-rainbow-tables-and-how-are-they-used) is an optimization for reversing hashes by brute force. It works by a trade-off: you do a lot of precomputation to build a huge data structure, and you can then crack many hashes quickly.
A rainbow table o... |
35,528 | In my organization, users have the rights to transfer files to and from servers using SSH File Transfer protocol for a variety of reasons; e.g. application troubleshooting, BAU, etc.
Although our servers are configured with logging to keep track of what users have done, we would still like to control the file transfer... | 2013/05/08 | [
"https://security.stackexchange.com/questions/35528",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/25699/"
] | There are a couple of factors involved in salting, and you're missing (at least) one of those.
* They make rainbow tables useless. If someone looks in your password database and sees that a password is "5f4dcc3b5aa765d61d8327deb882cf99," they don't even need to build a "rainbow table," they can just google for that va... | NO, it does not add any level of security in the great scale of things.
I could easily write a custom program or script just to append all the salted values from a database to the corresponding dictionary values in a rainbow database. Its just too easy to bypass the implementation of salted hashes.
The only benefit i... |
35,528 | In my organization, users have the rights to transfer files to and from servers using SSH File Transfer protocol for a variety of reasons; e.g. application troubleshooting, BAU, etc.
Although our servers are configured with logging to keep track of what users have done, we would still like to control the file transfer... | 2013/05/08 | [
"https://security.stackexchange.com/questions/35528",
"https://security.stackexchange.com",
"https://security.stackexchange.com/users/25699/"
] | A [rainbow table](https://security.stackexchange.com/questions/379/what-are-rainbow-tables-and-how-are-they-used) is an optimization for reversing hashes by brute force. It works by a trade-off: you do a lot of precomputation to build a huge data structure, and you can then crack many hashes quickly.
A rainbow table o... | Rainbow tables are precomputed hash tables which are used to crack the passwords in a relatively quicker time because looking up a table is much faster than calculating a hash.
>
> if one can find the hashed passwords one should be able to find the corresponding salts
>
>
>
The salt known to the attacker will not... |
24,793 | Does project manager(PM) have any role to play in large scale projects developed under Scrum framework? Consider that multiple scrum teams will be executing the project. | 2018/08/28 | [
"https://pm.stackexchange.com/questions/24793",
"https://pm.stackexchange.com",
"https://pm.stackexchange.com/users/30305/"
] | No "Project Managers" in Scrum
------------------------------
There is no "project manager" role defined by the Scrum framework. The only three roles are:
1. Product Owner
2. Scrum Master
3. Development Team member
Any other roles your organization may have exist outside the Scrum Team. If you add or remove roles fr... | Although there are no PMs in SAFe it's also fair to say the project manager role is sometimes shoe horned into the Product owner or Release Train Engineer roles. |
24,793 | Does project manager(PM) have any role to play in large scale projects developed under Scrum framework? Consider that multiple scrum teams will be executing the project. | 2018/08/28 | [
"https://pm.stackexchange.com/questions/24793",
"https://pm.stackexchange.com",
"https://pm.stackexchange.com/users/30305/"
] | No "Project Managers" in Scrum
------------------------------
There is no "project manager" role defined by the Scrum framework. The only three roles are:
1. Product Owner
2. Scrum Master
3. Development Team member
Any other roles your organization may have exist outside the Scrum Team. If you add or remove roles fr... | I'm going to answer a little differently by pointing out some examples of Agile working at scale (not necessarily Scrum).
**Microsoft**
Microsoft put out a really good video on how they implement Agile for their on-going development of the Visual Studio product. It might be worth the ~45 minutes of your time to watch... |
24,793 | Does project manager(PM) have any role to play in large scale projects developed under Scrum framework? Consider that multiple scrum teams will be executing the project. | 2018/08/28 | [
"https://pm.stackexchange.com/questions/24793",
"https://pm.stackexchange.com",
"https://pm.stackexchange.com/users/30305/"
] | Well, there is no single mechanism to scale Scrum. But most popular frameworks, being it "LeSS" or "SAFe" or "Nexus" don't have a project manager role, because that role is not in Scrum and does not follow the Scrum mindset. The scaling frameworks try to transport agile to a higher level, not cut it off and replace it ... | Although there are no PMs in SAFe it's also fair to say the project manager role is sometimes shoe horned into the Product owner or Release Train Engineer roles. |
24,793 | Does project manager(PM) have any role to play in large scale projects developed under Scrum framework? Consider that multiple scrum teams will be executing the project. | 2018/08/28 | [
"https://pm.stackexchange.com/questions/24793",
"https://pm.stackexchange.com",
"https://pm.stackexchange.com/users/30305/"
] | Well, there is no single mechanism to scale Scrum. But most popular frameworks, being it "LeSS" or "SAFe" or "Nexus" don't have a project manager role, because that role is not in Scrum and does not follow the Scrum mindset. The scaling frameworks try to transport agile to a higher level, not cut it off and replace it ... | I'm going to answer a little differently by pointing out some examples of Agile working at scale (not necessarily Scrum).
**Microsoft**
Microsoft put out a really good video on how they implement Agile for their on-going development of the Visual Studio product. It might be worth the ~45 minutes of your time to watch... |
24,793 | Does project manager(PM) have any role to play in large scale projects developed under Scrum framework? Consider that multiple scrum teams will be executing the project. | 2018/08/28 | [
"https://pm.stackexchange.com/questions/24793",
"https://pm.stackexchange.com",
"https://pm.stackexchange.com/users/30305/"
] | I'm going to answer a little differently by pointing out some examples of Agile working at scale (not necessarily Scrum).
**Microsoft**
Microsoft put out a really good video on how they implement Agile for their on-going development of the Visual Studio product. It might be worth the ~45 minutes of your time to watch... | Although there are no PMs in SAFe it's also fair to say the project manager role is sometimes shoe horned into the Product owner or Release Train Engineer roles. |
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