In middle school I read a 'young adult' book - again I don't remember the name of the book or the author, and in this one, the year is more flexible, I got it from the school library in the mid-80s, which means there's a good chance it was originally published in the 60s or 70s.    In this story the protagonist is a teenager who wakes up from a coma in the future.  I specifically remember the opening scene when he wakes up - there's a guy with robot eyes (it turns out the doctor had somebody throw acid in his face prior to the events of the story) and three nurses who were identical (clones) but with brightly colored hair (blue, purple etc, at a time when dying one's hair as such was a lot more novel than it is now).  I can't remember what put him in the coma or why he was revived when he was (he may have simply woken up).    I recall a lot of it was about him trying to make sense of the new world he was in, and there was an ecology theme, cause the oceans were an oily yellow and lifeless (I remember one character telling him that maybe since he remembers the oceans as they were before mankind ruined them, that he'd be able to figure out a way to revive them - this seems like an insignificant detail, but I just read on the 'How to write an ident question' page that no detail is too measly), and the overall the state of society was worse than that of the one he'd left behind.   I also don't remember how this ends, although I'm pretty sure it was along the standard lines of 'hope for the future despite uncertainty'.
There's a book I borrowed from my grade 8 teacher's lending shelf (in Ontario, Canada) that I've been trying to identify for years. The main character was a man in a futuristic setting who... I think... had the secret to an improved version of the lifespan-extension serum everyone used. If I remember correctly, the flawed version caused people's skin to turn clear over the course of their extended lives. I think he was revived from some sort of stasis, but I can't be sure of that. I just vaguely remember a &quot;stranger in a strange land&quot; sort of cultural disconnect, him being cared for in some kind of hospital-like setting, and a sense that maybe the formula they want from him was invented by a now-dead family member of his. The most distinctive detail I remember was the love interest, a cloned nurse named &quot;Eliza Tertia&quot; who he encourages to break out of her role. (All the cloned nurses were named Eliza, and I remember &quot;Eliza Duodecima&quot; being the name of another one who is briefly seen.) I also remember the secret eventually being gotten out of him, only for it to be discovered that it's flawed, in that, while it does replenish the compounds that go missing in extended old age, it doesn't moderate their production. I don't remember if it was long enough to be a novel or if it was just a novella. My vague memories of the cover design and material suggest it was a 1970s printing or earlier, which would also fit with what I remember of the story's atmosphere.
If $-1&lt;x&lt;1$ show that $\lim\limits_{n \to \infty}{n\,x^n} = 0$. I don't have idea. I only prove that $n\,x^n$ is decreasing. Show that if $a \equiv b \pmod n$, $\gcd(a,n)=\gcd(b,n)$ What should be done with questions that have been resolved as a comment instead of an answer? I'm trying to go through and provide answers to every unanswered question (search &quot;closed:0 answers:0&quot;), somewhat following the spirit that was blogged about at  .  However, I'm finding this much more difficult than it needs to be, as many of the questions have already been answered without the use of an &quot;answer&quot; - but instead, in the form of a comment by either the OP or another poster. I wouldn't mind reading through and skipping these, as long as there was some appropriate action I could take to at least assist with preventing these questions from being seen again from the same query - either by myself or another SO member.  Is there such an appropriate action?  Should we vote to close?  If so, using what reason? Even if I vote to close, what are the chances that 4 other users will also view the question and also vote to close?  (i.e., will my individual vote even do any good?  Is there any report to show recent close votes, so that others may also review and contribute supporting close votes?) Should we post some sort of an answer - even just something to the effect of &quot;this was already answered by the OP's own comment to his answer (above)&quot;? Would something like this be appropriate to flag for moderator attention, and let the moderators deal with it?  (Or would this be considered too trivial?) Should we rename the question title to something standard that can be used in a search exclusion?  (Maybe &quot;SOLVED:&quot;?)  Basically, how can I help to denote questions as &quot;This question is no longer in active search of an answer - though better answers may still be appreciated.&quot;? I've already reviewed , which was closed as a duplicate of  - but this requires effort on part of a user who may very likely no longer be active. Otherwise, is there something I should be doing to improve my search to filter out these types of questions? I've run across this many times, so I don't consider it to be a rare issue.  However, the last question like this I just ran across, prompting this question, was .  In this case, the question was self-answered by the OP in the form of a comment, this question is the OP's only question, the OP has no other visible activity on SO, and the OP hasn't been seen on SO since he registered and posted the question 5 months ago. Another one I just ran across is .  However, here the &quot;answer&quot; comment was posted by a reputable and recently active SO member.  Should I leave a comment directed at him, asking him to re-post his comment as an answer, or should I post my own answer echoing his comment?  (Or something else?) Yet another is .  Interestingly, the OP actually self-edited the question to include the &quot;SOLVED:&quot; prefix on to the question, instead of posting his resolving comment as an answer (and ideally accepting it) as he was asked to do by another comment.  This brings up another good idea - is there a &quot;standard&quot; we should use to rename the titles on these &quot;resolved but unanswered&quot; posts that could be used as a search exclusion?  (Also added to the above list.) How to tell if a set of vectors spans a space? I want to know if the set $\{(1, 1, 1), (3, 2, 1), (1, 1, 0), (1, 0, 0)\}$ spans $\mathbb{R}^3$. I know that if it spans $\mathbb{R}^3$, then for any $x, y, z, \in \mathbb{R}$, there exist $c_1, c_2, c_3, c_4$ such that $(x, y, z) = c_1(1, 1, 1) + c_2(3, 2, 1) + c_3(1, 1, 0) + c_4(1, 0, 0)$.  I've looked around the internet, but all the answers I found involve setting up a matrix and finding the determinant, and I can't do that here because my matrix isn't square. What am I missing here? MS Access to Oracle easy Conversion / Migration Is there a way of moving unwanted villagers out faster? Is there any way to speed up this process or indirectly 'force a villager to move out'?  I know they move out if it's time for a new one to move in, and I know you can't actually 'force' them persay.  I have a villager who has caused nearly all my other villagers to wear his.. rather hideous 'kiddie shirt'. ((the character's default shirt)) Aside from that his home blocks the perfect spot, very close to my river, for building a convenient bridge...  I've taken to pushing him, hitting him with a net, and I've been trying to find a Toy Hammer... He wanted to leave once and I told him to go, but then he said he wouldn't leave until I, "made an effort to get to know him" or some BS..  Are there any other ways I can get an unwanted, 'pesty', villager to leave town? Elsevier has started circulating  as a consequence of the  to the editors of their journals:     Subject: US editors and reviewers can no longer handle submissions by   authors employed by the Government of Iran            Dear Dr Bruno Granier,      The Office of Foreign Assets Control (OFAC) of the US Department of   the Treasury administers and enforces economic and trade sanctions. As   a result of OFAC sanctions we have been made aware that US editors, US   Elsevier staff and US reviewers are now unable to handle scientific   manuscripts where any of the authors are employed by the Government of   Iran. This includes the research departments of the various oil and   gas companies which are deemed to be entities of the Government of   Iran. We realize that this OFAC regulation will cause some   inconvenience in your role as an editor but Elsevier is legally   obliged to ensure that all reasonable efforts are made to avoid   submissions from Iranian government agencies and companies being   handled by US editors, US Elsevier staff and US reviewers. Please be   aware that editors, Elsevier staff and reviewers from outside the US   may still handle these manuscripts and that this OFAC regulation does   not pertain to manuscripts where the authors are based at Iranian   academic and research institutes. Manuscripts originating from a   clinical setting that are not government run, for example, a hospital   or clinical practice are also exempt from this regulation.      To view the official OFAC regulation, please click here. In practice   the result of these sanctions will mean that:      • Submissions where any author is based in Iran, and is not at an   academic and research institution, cannot be handled by US-based   editors, US Elsevier staff, US reviewers, or any US citizens based   outside of the US.      • If an Iranian author has dual affiliations (eg. university and   government), their submission cannot be handled by US-based editors,   US Elsevier staff, US reviewers, or any US citizens based outside of   the US.      • Affiliations of Iranian authors should therefore be checked, and any   manuscripts which fall under this OFAC regulation delegated to a   non-US editor, before handling.      • When assigning reviewers, affiliations of Iranian authors should   also be checked, and any papers which fall under this OFAC regulation   should only be sent to non-US reviewers. (As an editor you should do   what is reasonable to determine the nationality of a reviewer e.g.   check their email address. This check does not extend to emailing   reviewers directly to confirm their nationality or location). Unless   there is specific knowledge that a non-US-based reviewer is a US   citizen, editors can send such submissions to reviewers based outside   the US.      • If your journal workflow involves all submissions being handled by   US-based Elsevier staff, they will reject these manuscripts outright   before they reach you.      • Should there be no suitably qualified editor or reviewer, please   reject the manuscript outright.      When rejecting manuscripts which fall under this OFAC regulation   please use the new EES Decision Term "Reject - OFAC Sanctions" and the   following text:      "As a result of OFAC sanctions all editorial staff who are US-based/US   nationals are unable to handle scientific manuscripts which are   authored by Iranian scientists, employed by the Government of Iran.   Based on this OFAC regulation we are unfortunately unable to handle   your manuscript. We wish you success with your submission to another   Journal."       We apologize for the inconvenience this may cause. If you do have any   questions please contact your Publisher.       Sent on behalf of Dan Lovegrove      Cretaceous Research   Has there been any public response, by US editors or reviewers, stating whether they will obey (or not) the instruction? Also, does this letter conflict with the  of the  (all Elsevier journals are members of COPE as of January 2008)? I masked an image in the UV/Image editor masking section. I then used that mask in the compositor for background replacement. However, the mask size seems to be different. Why is that? Here's a screenshot: Is there ever a time to create a user for a company? I'm wondering if there's ever a reason or time when a company should have its own user (like say, Stack Overflow), instead of users that make it up (like, Jeff Atwood).   I figure this is kind of a bad idea as someone with access to multiple accounts could upvote himself over and over.... but is there any point this is okay and/or a good idea? Upgrading from Yosemite to El Capitan, but not Sierra We have an older iMac (Model A1311, Mid 2011). It has been running Yosemite. We have run into some of the WIFI issues associated with Yosemite.   Is it possible to upgrade to El Capitan but not Sierra?   El Cap has been out longer. Its my wife's computer, its older, and I really don't want to be debugging Sierra until a few  more "dot" releases come out. I have a Toshiba satellite A-200 laptop with a Vista OS on it with 4 NTFS partitions  (C:) Vista  (D:) Entertainment  (E:) Work  (F:) Sources   and I wanted to start using Ubuntu instead. So I tried it first from the live CD and everything was OK and all the partitions were shown and working and so I decided to install Ubuntu to replace Vista on the (C:) drive. After I did that I can no longer find my folders and files on the (D:), (E:), (F:) partitions and the only file system that is shown is one 198 GB although my HDD is 320 GB.  I can't access the lost data on the remaining 120 GB which I hope is still there and not totally lost  I am now working from the live CD but I am unable to install testdisk. Can I recover the Vista partitions by the product recovery CD to get my laptop back to the factory settings? Can I recover the NTFS partitions using a recovery program for Windows or will that make the problem worse?   I need these data badly as I don't have a backup for them. Within a custom command, I'm doing the following to write to a file:  \newcommand\mycommand[1]{   \newwrite\file   \immediate\openout\file=foobar.tex   \immediate\write\file{     foo     bar     #1     blarg   }   \immediate\closeout\file }   Of course when I invoke it as \mycommand{baz}, I get the following contents in foobar.tex:  foo bar baz blarg   with all new lines turned into spaces by LaTeX. My question is, is there a way to output these lines into the file "as expected", i.e. with real new lines at the end of each line instead of a space? I'm thinking some \catcode wizardry should do the trick, but I'm not sure which character I need to redefine and to what category code.  Update  The solution in  works perfectly. The only problem is when #1 contains embedded newlines. I can of course send it to mycommand with its own slew of ^^J, I was wondering if there is a way to avoid this. This question led to a new package:      How can I display the full path of the tex file that I compile? It is a simple file, no include or input present.  Edit: I use MiKTeX 2.9 on a Windows 7 64-bit.  Less demanding: If not possible, then I will be satisfied with a partial path (at least one or two folders up + the filename). Install software from packages, or build it from source? Is it possible in Latex to make a triangular hat? The one that is used in math over three letters representing points to indicate a triangle.  Something like: I already have the pink and red leather gloves, the armor, the crown, and the monkey's staff (and they're all enchanted). Regardless of how many health potions I use, I always die. Help! Symfony plugin sfDoctrineActAsTaggablePlugin not working Tony's Private life in Spider-Man: Homecoming I really don't know how to do this in terms of spoilers, but here goes...  After watching the end of Homecoming, it appears that       Tony and Pepper are very much back together.   Is there any in-universe explanation for this change from the way the universe seemed to be in Civil War? I am trying to estimate summary statistics of points located inside a polygon. Each points in the point layer is associated with N attributes. My target is to summarize (say mean, min,..) the attributes of points located within a polygon and populate the attribute fields of the corresponding polygon.   I am looking for a solution using GeoPandas or other Python libraries.   import geopandas as gpd    gdf_points = gpd.read_file('/path_to_points.json') gdf_polygon = gpd.read_file('/path_to_polygons.json')  dfsjoin = gpd.sjoin(gdf_polygon ,gdf_points)   Now, how can I summarize the stats for each attribute in the point layer and add it to the polygon shapefile? Which function can I use?  I am looking for something that is functionally equivalent to ESRI ArcGIS  with How to install Ubuntu on portable external Hard Drive?