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content/blog/codeinbeamer.md

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+---
+title: "Code in LaTex Beamer"
+date: 2022-01-26T23:11:37-05:00
+draft: false
+tags: ["LaTex"]
+math: false
+---
+
+I commonly use the [`listings` package](/blog/latexcode/) to showcase code in my LaTex documents. I tried doing the same in my Beamer slidedecks and I ran into an issue where the LaTex source code failed to compile. After digging around, I figured out its because every slide or frame that includes code (or any verbatim environment) needs to be marked as `fragile`. A minimal example is presented below:
+
+```latex
+\documentclass{beamer}
+\usepackage[utf8]{inputenc}
+
+% Beamer Packages
+\usepackage{harvard}
+\usetheme{Copenhagen}
+
+% Code Rendering Packages
+\usepackage{listings}
+\lstset{
+  language=Java,
+  columns=flexible,
+}
+
+% Begin Slidedeck
+\begin{document}
+\begin{frame}[fragile]{Code Example}
+    \begin{lstlisting}
+    int x = 5;
+    \end{lstlisting}
+\end{frame}
+\end{document}
+```
+