C++ for polybars spotify playbutton control instead of python, just to play around C++ a little bit.

emacs/.emacs.d/snippets/c++-mode/cout

@@ -0,0 +1,8 @@
+# -*- mode: snippet -*-
+# contributor: York Zhao <gtdplatform@gmail.com>
+# name: cout
+# key: cout
+# --
+`(progn (goto-char (point-min)) (unless (re-search-forward
+"^using\\s-+namespace std;" nil 'no-errer) "std::"))
+`cout << $0${1: << "${2:\n}"};