misc

images/scaling/scaling.tex

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 et ea 
 \begin{figure}[h]
     \centering
-    \includegraphics*[width=\linewidth]{YourImage.jpg} 
+    \includegraphics*[width=\linewidth, keepaspectratio]{YourImage.jpg} 
 \end{figure}
 rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem 
 ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur 

tikz/center-line/Readme.md

@@ -0,0 +1,3 @@
+Compiled example
+----------------
+![Example](center-line.png)

tikz/center-two-cluster/Readme.md

@@ -0,0 +1,3 @@
+Compiled example
+----------------
+![Example](center-two-cluster.png)

tikz/heap/Readme.md

@@ -0,0 +1,5 @@
+Compiled example
+----------------
+![Example](heap.png)
+
+A min-heap example