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--- tex:triky [2009/12/14 17:55]
bejcek vytvořeno: headers, lists
+++ tex:triky [2010/12/14 17:32]
bejcek figures side-by-side
@@ Line 10: / Line 10: @@
   * Useful page (and a figure) for **lists**:
     * http://latex.computersci.org/Reference/ListEnvironments
+  * The **if** condition in TeX:
+    * construction **if ''\variable'' is empty**:
+      * ''The variable \if#\variable# is empty.\else contains \variable.\fi''\\ (''\variable'' naturally cannot contain '''#'****'')
+      * ''The variable \ifx\@empty\variable is empty.\else contains \variable.\fi''
+    * **comparing** two strings:<code>
+      \newif\ifsame
+      \newcommand{\strcfstr}[2]{%
+       \samefalse
+       \begingroup
+        \def\1{#1}\def\2{#2}%
+        \ifx\1\2\endgroup \sametrue
+        \else   \endgroup
+        \fi
+      }</code>
+      * (The grouping is needed there to make '\1' and '\2' local but '\sametrue' global.)
+      * [[http://www.tug.org/TUGboat/Articles/tb22-4/tb72wilson.pdf|(source, Peter Wilson)]]
+    * allocator **''\newif''** is used in a sequention:\\ a declaration ''\newif\ifsomething''\\ setting either ''\somethingtrue'' or ''\somethingfalse''\\ and asking ''\ifsomething YES\else NO\fi''
+  * **foreach** in TeX <html><font color="gray" size="-5">(thanks to TMA)</font></html>:
+    * If you want to ''\dothis{}'' with each word in ''\foreach{Peter, Paul, John, Ringo}'', you can do this as follows:
+      * ''\def\foreach#1{\first#1,,}''
+      * ''\def\first#1,{\if,#1,\else\dothis{#1}\expandafter\first\fi}''
+    * and then write something here:
+      * ''\def\dothis#1{ ... whatever #1 ... }''
+  * **Aligning an element** in the line according to whether it fits in the rest of the line (TeX)
+      * always right-aligned <html><font color="gray" size="-5">(from Petr Olšák's TeXbook naruby)</font></html>:<code>
+        \def\alignelemright #1\par{\unskip
+          \nobreak\hfill\penalty71\hskip2em\hbox{}\nobreak\hfill
+          \hbox{#1}\par}</code>
+      * always left-aligned:<code>
+        \def\alignelemleft #1\par{\unskip
+          \hbox{} \hskip 0pt plus 1fil \penalty0
+          \hbox{#1}\hskip 0pt plus 1fill\hbox{}\par}</code>
+      * align to the right, if it fits, or to the left in the new line:<code>
+       \def\alignelemrightorleft #1\par{\unskip
+          \nobreak\hfill\penalty71\hskip2em
+          \hbox{#1}\par}</code>
+  * Two **tables/figures side-by-side** [[http://texblog.wordpress.com/2007/08/01/placing-figurestables-side-by-side-minipage/|(source)]]:<code>
+    \begin{figure}
+     \begin{minipage}[b]{0.5\linewidth}
+      \centering \includegraphics[scale=1]{fn1} \caption{c} \label{f1}
+     \end{minipage}
+     \hspace{0.5cm}
+     \begin{minipage}[b]{0.5\linewidth}
+      \centering \includegraphics[scale=1]{fn2} \caption{c} \label{f2}
+     \end{minipage}
+    \end{figure}</code>
+  * Useful **packages**:
+    * Source printing: //''fancyvrb''//, //''listings''//
+    * //''fancyhdr''//
+    * pseudocode //''algorithmicx''//
+==== počítání slov (a dalších věcí) ====
+<code>texcount soubor.tex</code>
+''texcount -inc soubor.tex'' ... započítá správně slova i v souborech vložených v hlavním souboru pomocí ''\include''
+Podrobnosti v dokumentaci: ''texdoc texcount''
+<html><hr/></html>
+Some PBML and SCTL-specific issues are [[https://wiki.ufal.ms.mff.cuni.cz/tex:pbml|here]].

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