I need something like this : Searching around I've found only material about tables, rotated text, diagonal lines and so on. I think the solution could be something like drawing a table with no borders, only one cell, with an (invisible) diagonal line crossing it, but I'm not sure and moreover I haven't any idea about implementing it. Help would be appreciated, I'm going mad. Thanks.
I would like to create a XeLaTeX layout where  multicol's columns (two in this case, no figures, text only) are tilted where they meet. The lines still should be ordinary lines below each other, but the start/end points of each line should glide a bit each line for it to look something like this:  xxxxxxxxxx  xxxx xxxxxxxxxx  xxxx xxxxxxxxx  xxxxx xxxxxxxxx  xxxxx SECTION   xxxxxx xxxxxxxx  xxxxxx xxxxxxx  xxxxxxx xxxxxxx  xxxxxxx xxxxxx  xxxxxxxx xxxxxx  xxxxxxxx xxxxx  xxxxxxxxx xxxxx  xxxxxxxxx xxxx  SUBSECTION xxxx  xxxxxxxxxx   So not the whole column is tilted, but one gets narrower while the other one gets wider.  I've seen examples using \parshape, but those I found are based that one counts lines and more or less manually defines the shape. I also would need that LaTeX keeps the multicol functionality (page breaks, text flow, ...) and does this automatically on each page for a longer chapter.  How do I create such a layout? If multicol is not easy to mix with this layout, what would be an alternative?
How do I use/change Animation Extrapolation? (Can't find F-Curves / Animation Modifiers in 2.8(1)) Lost passport with Schengen visa My passport was stolen in Prague on my way to Vienna. I filed a police report and our embassy swiftly acted by giving me a temporary passport for my onward journey to Munich and Rome. Upon exit from Rome, the immigration ask for the Schengen visa, when I told him that I lost my passport, he did not ask for any document to support my claim, he just stamped my new passport with exit. I am not sure if on record, I am officially out of the Schengen area or not. I am scared that without the lost visa, it appears that I am still in the area and might reach the 90 day limit and will be denied when I re-apply as it would appear I broke the rule. What to do? Questions about insects eating flour and living in the cracks of a wooden cutting boards I have a large wooden cutting board which is used in my kitchen mainly for preparing egg pasta. The wood type is Populus (poplar or aspen or cottonwood).  The main ingredients used with the cutting board are: flour (mainly soft wheat flour), hens' eggs, white sugar, butter, and baking powder.  After the food preparation, the cutting board is cleaned by scraping away the ingredients remains.  The board has some cracks and some small unknown insects are living inside the cracks.   The board has also a lot of holes due to woodboring beetles but I think the woodworms operated long time ago and they no longer live in the cutting board.  The unknown insect has an approximate length of 1 mm (along the direction of their movements) and a width of 0.3 mm. The unknown insects do not have wings, they just walk. I am not able to see how many pairs of legs they have.  The color of the insect is pale brown.  The cutting board was free from these unknown insects some months ago but then they appeared.  My questions:   What insects are they? Are these insects poisonous to humans? How can I get rid of them?   Update  The unknown insects could be Acarus siro, I will try to get a picture of the insects.  Update 2  Here is a picture. The bottom part of the image is a one Euro coin, the top part of the image is a caliper (each bright area is one mm tick).   Some more pictures: Terminal prompt overwrites current line I`m using Firefox Sync on a bunch of computers.   I would like to manage my account, by removing some computers. I can't find the place to do this, it should be on the Firefox Sync page, but the official page only has the privacy and download information. BufferedWriter not writing everything to its output file A coworker and I are locked in a debate over the value of SEO keywords in the URL of a page. She wants to change all the filenames of the HTML pages of a fencing company so they look like residential-home-chicago.html, contact-chicago-contractor.html, and so on. She is convinced that because Google highlights keywords in URLs in search results, that means that putting keywords here is more valuable.  My position is that these do not improve SEO, since Google doesn't seem to give keywords in the URL any more weight than keywords in the body of the page, and . In the meantime, they make it harder for me to find the pages I want when its time to edit them, and the site as a whole looks cheap and spammy.   suggests to me that yes, keywords in URLs are useful, but not superior, and that they are more useful for human readability than search engine rankings.  I'm looking for authoritative sources that support either position, not blog articles from SEO optimization companies trying to promote themselves. I apologize for the subjective "best" keyword.  My friend and I have started creation of a 2D adventure game. It will be top-down in the style of pokemon or zelda (just the perspective). We have been discussing methods of creating a large world-map that the player can traverse without straining the memory capabilities of our machine.  Our first impulse was to create a large map and a circle around the player in which content will be loaded. We figured this won't hold for long and decided to partition the map into sections. First we had four large sections, but realized we could simply break it down into many tiny sections.  I played some Zelda from the SNES and saw that, during the shift of a map, the content could be loaded just then. What I mean is, instead of just checking a rectangular area for data to load, we simply section the map into many tiny chunks that load and de-load data as we move from map-portion to map-portion.  Today, he told me he wanted to create a simply 2D array map[WIDTH][HEIGHT] that contains data about every grid in the game and is a constant save-to-disk operation for data that we don't need.  I'm not sure about these ideas and thought that I might as it here. Any links, resources or tutorials on the subject would be greatly appreciated as well as direct answers to our question on how to do it efficiently. For as long as I can remember I have avoided using switch statement fall-through. Actually, I can't remember it ever entering my consciousness as a possible way to do things as it was drilled into my head early on that it was nothing more than a bug in the switch statement. However, today I ran across some code that uses it by design, which got me immediately wondering what everyone in the community thinks about switch statement fall-through. Is it something that a programming language should explicitly not allow (like C# does, though it supplies a workaround) or is it a feature of any language that is powerful enough to leave in the programmer's hands? Edit: I wasn't specific enough to what I meant by fall-through. I use this type a lot:     switch(m_loadAnimSubCt){         case 0:         case 1:             // Do something             break;         case 2:         case 3:         case 4:             // Do something             break;    }  However, I'm concerned about something like this.    switch(m_loadAnimSubCt){         case 0:         case 1:             // Do something, but fall through to the other cases             // after doing it.          case 2:         case 3:         case 4:             // Do something else.             break;    }  This way whenever the case is 0, 1 it will do everything in the switch statement. I've seen this by design and I just don't know if I agree that switch statements should be used this way. I think the first code example is very useful and safe. The second seems kind of dangerous. I'm trying to create a multi-page table with all cells having the same height (as well as certain fixed widths) so that certain manual cut-and-paste operations are a lot easier.  One issue is that one column in particular is text-heavy and should line-break within the cell.  As I don't want it justified, I looked into alternatives such as .  This is doing exactly what I want for horizontal alignment.  For vertical alignment, I've looked at  and the \vphantom method detailed in the above link doesn't seem to be working.  Here's what I'm currently working with:  \documentclass[11pt]{article} \usepackage{array}  \newcolumntype{P}[1]{&gt;{\raggedright\hspace{0pt}\arraybackslash}p{#1}} \def\Z{\vphantom{\parbox[c]{1.7in}{\Huge Something Long}}}  \begin{document} \begin{tabular}{| c || P{0.5in} || P{0.5in} || P{5in} |}\hline  1.  \Z &amp;&amp;&amp; Long long long long long long long long long             long long long long long long long text  \\\hline 2.  \Z &amp;&amp;&amp; More long long long long long long long long             long long long long long long long text  \\\hline \end{tabular}   When I compile, the cells do not have a uniform height, and none of them are as large as 1.7 inches vertically.  So this suggests that somehow the \vphantom method is failing.  Does anybody know of a relatively straightforward solution to this problem? How to install (old) packages for Ubuntu 9.04? Based on some excellent feedback by Mark here (), today I was able to use the vmware converter to clone my production server for a staging server.  However the nic won't come up no matter what I do. I attempted to inistall vmware tools, as I suspect that the fact that it is not installed might prevent the nic from working. (I have the nic set as a vmxnet3 card in the vm settings). The install failed because there were several dependencies missing as well as the Linux headers. Given that Ubuntu 9.04 has been EOL'd, the packages I need to install to get the vmware tools to install are no longer available. I doubt the ubuntu 9.04 install CD has the packages on it.   What are my options? I'd rather not upgrade the version of Ubuntu yet, as the point of the vm right now is to maintain parity with the production server. Might I have better luck resetting the driver to use vmxnet2 instead of the vmxnet3?  Thanks in advance!  Chris Arc length parameterization lying on a sphere What's the mathematics definition of the F value in Analysis of Variance Table? Suppose I have a linear regression model Y ~ b1*x1 + b2*x2 with the sample data:          x1      x2        y 0  -0.7251 -0.6033  10.2508 1  -1.3148  3.7067  10.3054 2  -1.2818 -5.8136   7.2010 3   0.6154  3.6336  11.2807 4   1.4887 -2.8337  10.6299 5  -2.0224 -0.3931   7.4502 6   0.5419 -1.7807  10.7339 7  -1.0745 -5.0296   5.8734 8   3.2116 -0.4681  11.7184 9   1.6767 -4.6040   9.0145 10 -1.3355 -2.6874   6.5014 11  0.8296  2.6793  11.8295 12 -2.8647  4.2916   7.8414 13  1.8445 -3.3924   9.6520 14 -0.1036  2.4273  11.9766 15  1.0886 -3.5636  10.6023 16 -3.3026 -6.9837   4.9962 17  1.4050 -3.8453  10.4630 18 -0.3111 -1.4278   9.2283 19 -3.5454  2.4960   7.3720   And using the following R code to get the Analysis of Variance Table:  &gt; df &lt;- read.csv('f:/data.csv', header=T, sep=",") &gt; model_All &lt;- lm(y ~ x1 + x2, data=df) &gt; anova(model_All) Analysis of Variance Table  Response: y           Df Sum Sq Mean Sq F value    Pr(&gt;F)     x1         1 44.440  44.440  58.277 6.865e-07 *** x2         1 26.640  26.640  34.934 1.711e-05 *** Residuals 17 12.964   0.763                       --- Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1   And I can calculate the F value of hypothesis test H0： b2=0 via:  &gt; model_Drop2 &lt;- lm(y ~ x1, data=df) &gt; SSR_All = sum(resid(model_All)^2) &gt; SSR_Dp2 = sum(resid(model_Drop2)^2) &gt; F_x2 = ((SSR_Dp2 - SSR_All) / 1) / (SSR_All / (20 - 3)) &gt; F_x2 [1] 34.93434   We can see that F_x2 is equal to F value of x2 in Analysis of Variance Table. However, the value F_x1 calculated as follow is not equal to F value of x1, I can't understand why:  &gt; model_Drop1 &lt;- lm(y ~ x2, data=df) &gt; SSR_Dp1 = sum(resid(model_Drop1)^2) &gt; F_x1 = ((SSR_Dp1 - SSR_All) / 1) / (SSR_All / (20 - 3)) &gt; F_x1 [1] 70.30392   So, what is the mathematics definition of the F value in table?  EDIT The result of the features reversed as commented by @Michael M:  &gt; model_All2 &lt;- lm(y ~ x2 + x1, data=df) &gt; anova(model_All2) Analysis of Variance Table  Response: y           Df Sum Sq Mean Sq F value    Pr(&gt;F)     x2         1 17.468  17.468  22.907 0.0001718 *** x1         1 53.612  53.612  70.304 1.914e-07 *** Residuals 17 12.964   0.763                       --- Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 CentOS 7 DVD ISO vs Everything ISO different Why does increasing the number of features reduce performance? I'm trying to gain an intuition as to why increasing the number of features could reduce performance.  I'm currently using an LDA classifier which performs better bivariately among certain features but worse when looking at more features.  My classification accuracy is performed using a stratified 10-fold xval.    Is there a simple case of when a classifier would work better univariately than bivaraiately to gain a somewhat physical or spatial intuition of what is happening in these higher dimensions? Karn, the Great Creator - what defines a 'card from outside the game' in sealed? In the upcoming set 'War of the Spark' there is the Planeswalker . His -2 ability reads as:      -2: You may choose an artifact card you own from outside the game or in exile, reveal that card and add it to your hand    Now my question is, in a sealed tournament, like the Prerelease, is a player allowed to also choose cards from outside his sealed cardpool, or only out of the cards therein. Does anyone know any rulings on stuff like that? What is the proper way to extend the Fibonacci numbers to negative numbers? I have a feeling this question is a duplicate, but it's not coming up in "Questions that may already have your answer."  We all know very well that $F(0) = 0$, $F(1) = 1$ and $F(n) = F(n - 2) + F(n - 1)$ for all $n &gt; 1$.  I'm wondering about $n &lt; 0$. My first thought was $F(-n) = -F(n)$, which is appealing from a multiplicative point of view, as it seems to preserve certain identities, like $F(n)^2 = F(n - 1) F(n + 1) - (-1)^n$.  But it doesn't quite make sense from an additive point of view, it doesn't seem to work both "forwards" and "backwards." For example, it would give us $F(-1) + F(0) = -1 \neq F(1)$.  How do we extend $F(n)$ to negative $n$ so as to maintain both the related identities and the basic defining identity? What are some strategies that I can employ to handle a power gamer that constantly outshines the rest of the party? This is a friend of us all and we don't want to boot him, but combat simply isn't fun when the party has nothing to do while he mops up an encounter by himself. How to upgrade Ubuntu from an ISO image I'm using Ubuntu 10.04 now and want to Upgrade to Ubuntu 11.04. The problem is my net connection is very slow and I can not do a network upgrade from the "Updates Manager".  So, is there a way that I can download the Ubuntu upgrade as an bootable CD image and upgrade from it? Define $\mathcal N$  $\mathcal N (A):=\mathcal P(A)\setminus\{\varnothing\}$  Does $\mathcal N$ has a special name and standard notation?