Cycles Render Renders all white
Rendered image is just grey
Index notation Lorentz transfromation matrix How and why do you use an image histogram? I realize that an image histogram is a graphical display of an images tonal distribution (i.e. horizontal darks to lights, vertical pixel distribution), but how does one really use it and why? I mean, can't you determine everything you need just by looking at the image? Select an area in rep graph not working on Chrome The "select an area by dragging across the lower chart" thing is not working on Chrome.  Tested with Chrome 13.0.782.220 m, works with Firefox 6.0.1 and IE 8  Quirk: For some reason, if I open an incognito window, it works. Tried clearing the cache and cookies, still not working. Prime ideal in a polynomial ring over an integrally closed domain Does new Star Wars continuity only affect post-Jedi EU? I have read  a couple of times.     In order to give maximum creative freedom to the filmmakers and also preserve an element of surprise and discovery for the audience, Star Wars Episodes VII-IX will not tell the same story told in the post-Return of the Jedi Expanded Universe.   Does this describe material set after Jedi, or published after?  Is it also saying that only things published as "Legends" are now non-continuity?  I have read that it is only films + Clone Wars + Rebels that are now in the main continuity but can't see this sourced by Lucas Film Story Group. Does anyone have a reference for this? Why is $ \overline{e^z} = e^\overline{z} $? How can you conjugate an entire function? $ \overline{exp(z)} $ I need an equivalent.  I thought this is only possible with complex numbers.   What is the proof for $ \overline{e^z} = e^\overline{z} $ ? (Please don't involve a power series here.) An explanation for the Landauer's principle Has anyone understood the ? What is the current status?  In specific, is there a theoretical derivation of the Landauer's Principle?(not the heuristic one based on Salizard's engine) How does one account for thermodynamic concepts applicable to situations involving measurement? What does it mean to reset the state of the apparatus why is free energy expended in the process? Sort array of objects by string property value Do you ever center AND standardize variables in multiple regression? Do you ever center AND standardize variables in multiple regression? It seems as if standardization would automatically center variables...is this true? Electric shock - was I stupid, unlucky, or a combination of both? One of the double sockets in our garage needed replacing (damaged after a washing pole hit it) - a pretty trivial job that I'd done before. So I flipped the MCB for the ring main, used a non-contact voltage tester to check nothing was there, and set to work. I disconnected the old socket fine, and was lining the cables up to fit into the new socket when... ow.  My finger bridged the live and earth pins, and suffice to say the live wire was very much alive. Bar a few finger spasms I was fine fortunately, and believe me I realise I was very lucky in that respect (I'm in the UK, so that was 240V.) Before finishing the job I then shut off the entire property's electrics - I was taking no more chances.  Further inspection confirmed two things I immediately suspected at this point - the MCB in the garage (installed before we moved into the house) was shutting off power via the neutral, not the live, and the voltage tester was dodgy (I had tested it on the same socket earlier and it seemed fine, further testing showed it presumably had a loose connection internally and only worked sporadically.) Needless to say it's now in the bin, and an electrician has been called to sort the MCB and check the rest of the house for similar issues.  Unsurprisingly this has shaken me up a bit - I would say I'm a rather safety conscious person, and in this case thought I'd done all the checks properly (including taping over the relevant trip switch to ensure no-one flipped it back on while I was working.) In some ways I can't help feeling I was unlucky that the MCB was wired by a cowboy, in combination with the voltage tester failing in the way that it did, at the time that it did. However, I'm not one to solely blame tools - clearly some, if not most of the blame here lies with myself also.  So in short, what should I have done differently - and was I primarily being stupid, or really quite unlucky? To get the character sequences of a particular keyboard shortcut we use showkey -a or verbatim insert (Ctrl+V). What is the opposite of it? How can I get the keyboard shortcut in human readable format from character sequences? I used some keybindings for example ^[^? ^X^U ^[[3;5~ ^[[1;2D ^[[1;2C ^[[1;5C ^[[1;5D ^[[1;6C ^[[1;6D ....  Now I do not remember which key/key-combination they used to represent. How can I find that out? Update 1 I am looking for something which will output Ctrl+R or Ctrl+Delete etc, I mean in human readable format. Any reference to a table which has possible character sequences and their human readable formats will also do. Disallow downvoting other answers if I've posted my own Possible Duplicates:        As Dan Dyer mentioned in his comment on , there is a conflict of interest when you have posted your own answer and are allowed to downvote other answers.  Despite the vote editing window being drastically reduced, the fundamental problem remains: I can downvote the other answers permanently and still benefit - my answer gets upvoted ONCE and wham, I have just made up the rep loss for my 10 other downvotes. The vote editing window fixes part of the problem, but there is a more complete fix that has the extra benefit of not preventing legitimate vote changes: to disallow downvotes on competing answers when you have posted one yourself.  The temptation to wrongfully downvote competing answers is huge. The rep loss is tiny in comparison. It has to be in order for people to continue to legitimately downvote.  Details:   If I have previously voted and then post my own answers, delete my downvotes. Continue to allow me to remove the upvotes - I think this is fully legitimate. If I delete my answer it's probably best to continue to deny downvotes (perhaps even including the question), but I don't have a strong opinion either way. IINM my system is failing when bashing  for i in {0..10000000}; #   Seven zeroes. do     false; done #   `bash` exited and its `tmux` pane/window was closed.   or  for i in $(seq 0 10000000); #   Seven zeroes. do     false; done #   `bash` exited and its `tmux` pane/window was closed.   but not when  for i in {0..1000000}; #   Six zeroes. do     false; done #   Finished correctly.   Can you please briefly explain the internals of this behavior and prompt a workaround for getting the task done? Privilege banner buggy? Or am I just confused? On the main Stack Overflow site, I arrived and had a banner: "Congrats, you've gained the privilege – create wiki posts and 3 other privileges" This confuses me, because I only see two privileges listed at 100%. Is the banner just buggy?  Or is there a better place to see my privileges that the page linked to by that banner? What ability should be used when resisting Intimidation? During our last play session (it was our second session, so everyone is first level) my fighter dwarf had a conflict with another player's human fighter. My dwarf became annoyed at the human's dismissive reaction to a roar outside the village that sounded like ogres (my dwarf has a bad history with ogres).   So, in order to emphasize the seriousness of this situation, my dwarf grabbed the human by shirtfront and pulled him closer (done with a successful roll). Still bent double, the human drew his sword and pointed it at my dwarf's belly (dwarf wearing chainmail). At this point the DM made the other player roll an Intimidation (Charisma) check, and me a Wisdom check to resist. I lost and my dwarf, chastened, let the human go.  That was pretty funny situation, but one thing is bothering me. By using a Wisdom check against Intimidation (Charisma), my dwarf (who has &minus;1 Wisdom modifier) was at a disadvantage (literally, not in the D&amp;D disadvantage mechanic sense) against the threats. Although he is a strong and capable warrior, he is not that wise.  But I have to wonder: is willpower really represented by Wisdom in 5e? I think that many not-so-wise creatures/characters can stand bravely against threats.  What ability/skill should be used in a contest to resist intimidation? Undelete accidentally deleted records in Sqlite3 As title, possible? I have by accident deleted another record due to my ugly html interface in FireFox. The bad thing is this record delete is a root folder which the program automatically cascade delete everything :( Is the Death Star’s gravitational force strong enough to hold an atmosphere? The Death Star is the size of a small moon. Endor being a moon (not sure if it's small or not) has a rich atmosphere.  Could the Death Star hold a nitrogen/oxygen based atmosphere with its gravity?  (Now re-reading my question, I suppose this sounds a lot like the plot of SpaceBalls... that was not my intention) What does the , operator do in C? Truncated 200GB table but disk space not released Not all files are visible over MTP I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card.  However when I navigate inside them, I can't see some of the files.  For example, if I open file manager app on the phone, I can see several files in the Internal storage/Notifications directory, however the directory on the computer only shows one of those files.  If I switch USB connection type to PTP (camera) - as OS X doesn't support MTP natively - Image Capture sees the phone as a camera, however it can only see about a third of all the images present on the phone.  I don't have a Windows machine to try, but I suspect the results would be similar.  I tried upgrading Cyanogenmod to the latest nightly, clearing and reinstalling it - same results.  Any idea as to what is going on?  How can I make all files appear on the host computer?