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Why don't my female dwellers give birth to children? a year on: what does it mean? PLease, dear native English speakers, help me to understand the meaning of the expression "a year on" within the context "The reality is that, a year on, a true 4K standard is still very much a work in progress..." Thank you a lot! Some Git commands take commit ranges and one valid syntax is to separate two commit names with two dots .., and another syntax uses three dots ....  What are the differences between the two? I have an object already created in blender, a tree, or a human, or a pipe.. and I need this to be drilled with multiple holes.   The holes are painted in an image, that is, it is an image that has a repeating an images pattern (they can be circles, squares, or any form).  Here are some examples for drilling-pattern: If an polynomial has a complex root, is it necessary that the conjugate of that root is also a root of the polynomial? I am not sure about this. Please comment on this. How to install gail and atk-bridge? Clipping Rasters with a mask layer error I've got a NDVI layer that I'm trying to clip with a vector file but when I try and use GDAL Tools clipper I get an error.  That shows up like this:  What am I doing wrong?  This is before I even pick the mask layer!  Traceback (most recent call last):   File "C:/PROGRA~1/QUANTU~1/apps/qgis/./python/plugins\GdalTools\tools\widgetPluginBase.py", line 28, in someValueChanged     self.emit(SIGNAL("valuesChanged(const QStringList &amp;)"), self.getArguments())   File "C:/PROGRA~1/QUANTU~1/apps/qgis/./python/plugins\GdalTools\tools\doClipper.py", line 105, in getArguments     return self.getArgsModeMask()   File "C:/PROGRA~1/QUANTU~1/apps/qgis/./python/plugins\GdalTools\tools\doClipper.py", line 143, in getArgsModeMask     if self.alphaBandCheck.isChecked(): TypeError: 'sip.methoddescriptor' object is not callable  Python version: 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)]  QGIS version: 1.7.3-Wroclaw Wroclaw, 00624b3  Python path: ['C:\Users\dean.walker\.qgis\python\plugins\GeoCoding', 'C:\Users\dean.walker\.qgis\python\plugins\GeoCoding', 'C:/PROGRA~1/QUANTU~1/apps/qgis/./python', 'C:/Users/dean.walker/.qgis/python', 'C:/Users/dean.walker/.qgis/python/plugins', 'C:/PROGRA~1/QUANTU~1/apps/qgis/./python/plugins', 'C:\PROGRA~1\QUANTU~1\bin\python25.zip', 'C:\PROGRA~1\QUANTU~1\apps\Python25\DLLs', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\plat-win', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\lib-tk', 'C:\PROGRA~1\QUANTU~1\apps\qgis\bin', 'C:\PROGRA~1\QUANTU~1\apps\Python25', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\site-packages', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\site-packages\win32', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\site-packages\win32\lib', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\site-packages\Pythonwin', 'C:\PROGRA~1\QUANTU~1\apps\Python25\lib\site-packages\wx-2.8-msw-unicode', '/usr/share/qgis/python', 'C:\PROGRA~1\QUANTU~1\apps\qgis\python\plugins\fTools\tools'] Can you clone a larger drive onto a smaller drive (used space fits on the smaller) I have a 500GB drive which is about 50GB full. I got a 80GB SSD, which has 74.5GB of available space. I want to clone the system drive onto the SSD.   DriveImage XML will not let me copy a larger drive to a smaller one. Can a ultracentrifuge be used to test general relativity? With today's ultracentrifuge technology, they can spin so fast that the sample can be subjected to  accelerations of up to 2 millions Gs. That is equivalent to two solar masses. Has someone tried to measure the time dilation in a radioactive sample? How calculate that time dilation respect to the time outside the ultracentrifuge, for example one week. I think that that time dilation will be significant enough to be measured. Science Fiction novel or novels about starship that becomes a god, colonizes hostile planet Plot Summary/Details  The sharpest memory I have of this one is that it was unusually dense reading. Much more difficult going than most of the sci-fi stuff I'd read by that time (I was 10 or 11, I think).  What I remember in terms of plot is that there is a starship, sent either to explore, or colonize, a distant star system.  I don't remember the names of any of the characters, but I think maybe they discover they are clones?  In any case, something happens to the computer system that the onboard AI becomes sentient and develops a measure of omniscience and omnipotence.  It effectively becomes a god of sorts.  The next part I can remember, and I'm not sure this is the same book or not, is that the ship has forcibly settled the crew on a hostile planet.  All sorts of nasty indigenous life forms live here, and guards are post on the wall outside the settlement to destroy them as they try to enter.  I remember there is a female character standing watch, and she goes over the bestiary in her mind.  One particularly nasty creature paralyzes you, and then burrows up your spine into your brain (or something like that) if it gets a hold of you.  That's all I can recall.  Not a lot of detail, unfortunately, but I'm having a tough time remembering much about this one.  I never finished the book(s), as they were mostly "over my head" at that age. It is not unusual for an Ubuntu (or other distro with apt package management) user to encounter the error: user@box ~ $ sudo apt install x [sudo] password for user:  Reading package lists... Done Building dependency tree        Reading state information... Done Package x is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source  E: Package 'x' has no installation candidate  There have been several questions asked concerning this on various StackExchange sites,for example  on AskUbuntu, but these are generally about how to obtain the specific package despite the error. I have found no package that is not found simply (though not always easily) by determining if it is still distributed, and under which repository if so, and ensuring that repository is in apt.sources, or the worst comes to the worst downloading a .deb or source to compile. So my question is more general, and although I am guessing it has a rather simple and therefore non-exciting answer I cannot think how to find it by conventional search engine methods, so I turn to AskUbuntu: Is there a command or option I can use to determine what package / which packages reference the missing package? How is adding these schemes meant? Could someone be able explain how to add prime divisors or their multiplication with the locally finite set $n_{Z} Z$ in $\sum n_{Z} Z$? . Does someone know how to set a command block with a command inside using the setblock command?  I have created this code /setblock &lt;x&gt; &lt;y&gt; &lt;z&gt; command_block {TileEntityData:{Command:"testfor @p[_=1]"}} but it doesn't works.  Do someone know how to do that? I have some files with TikZ graphics that have suddenly changed appearance since I upgraded to PGF-2.10.  Here is a minimal example:  \documentclass{minimal} \usepackage{tikz} \begin{document} \pgfversion\par \begin{tikzpicture} \draw[blue] plot[domain=-1:1] (\x,{\x^2 + \x^3}); \draw[xshift=4cm,blue] plot[domain=-1:1] (\x,{(\x)^2 + (\x)^3}); \end{tikzpicture} \end{document}   In PGF 2.00 I had this:    while in 2.10 I have this:    The one on the left in PGF 2.10 looks like the graph of y=x^3 but could also be y=x^3 + x|x|.   This has been  on sourceforge and  on the pgf-users mailing list.  Although I haven't checked myself yet, the bug remains open and some of the commenters below report that problems still exist in the CVS version.   Geoffrey Jones notes the bug is in the 2.00 CVS version:     Hi Matthew, not an answer, just an FYI   that's too large for the comment box.   My compile of your code through pgf   v2.00 produces the result you see with   v2.10, above:       I.e., the difference you observe seems   to pre-date v2.10.   There is a workaround by inserting parentheses.  But since I have so many old lecture files I'd rather find a solution that doesn't involve rewriting my TikZ code.  And I'm squeamish about using the CVS bleeding edge code even if it were fixed, since I don't want to introduce other problems.  Ideally I'd like a simple patch that I can stick at the preamble, or just fix one file in the PGF distro. On Cesàro convergence: If $ x_n \to x $ then $ z_n = \frac{x_1 + \dots +x_n}{n} \to x $ How long is it safe to drink coffee after brewed? The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design.  Give me scenarios, other than the good old logger where it makes sense to use the singleton. We're having a problem with the core poll module on drupal 7. We have a poll that we want anonymous users to be able to vote on. There is currently one anonymous vote, and now anonymous viewers only see the result (we've tried looking at it from outside our network).   We've checked the perms, and anonymous can vote and view results ( but not change vote). We've cleared the cache.   How does Poll work on D7 with regards to the anonymous user? bisectors of an angle in a triangle intersect at a single point - proof verification Let´s consider a general triangle ABC. Let´s draw two angle bisectors from vertices A and B.  It is obvious that these two angle bisectors intersect at a single point X. Since X lies on the angle bisector from A its distance from side b is the same as its distance from side c. As X also lies on the angle bisector from B, its distance from side c is the same as its distance from side a.  By transitivity the distance from the point X to the side b has to be the same as the distance from X to the side a. Therefore the angle bisector from C (which is the set of points equidistant from b and a) has to go through X.  It seems as a very simple argument. Is it correct? making low-quality PDF files clearer Some research papers available on the web have low-quality outputs. For example, see . It seems that it was converted from a PS file and typeset in (La)TeX. However, it has all the font information. Is there any way to make the PDF file clearer?