Update cheatsheets

clang-format

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# clang-format
+
+> Auto-format C/C++/Java/JavaScript/Objective-C/Protobuf/C# code.
+> More information: <https://clang.llvm.org/docs/ClangFormat.html>.
+
+- Format a file and print the result to `stdout`:
+
+`clang-format {{path/to/file}}`
+
+- Format a file in-place:
+
+`clang-format -i {{path/to/file}}`
+
+- Format a file using a predefined coding style:
+
+`clang-format --style={{LLVM|GNU|Google|Chromium|Microsoft|Mozilla|WebKit}} {{path/to/file}}`
+
+- Format a file using the `.clang-format` file in one of the parent directories of the source file:
+
+`clang-format --style=file {{path/to/file}}`
+
+- Generate a custom `.clang-format` file:
+
+`clang-format --style={{LLVM|GNU|Google|Chromium|Microsoft|Mozilla|WebKit}} --dump-config > {{.clang-format}}`