Update cheatsheets

tldr/memray

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# memray
+
+> Profile memory usage of a Python application.
+> More information: <https://github.com/bloomberg/memray#usage>.
+
+- Run a Python file and track memory usage:
+
+`memray run {{path/to/file}}.py`
+
+- Run a [m]odule and track memory usage:
+
+`memray run -m {{module_name}}`
+
+- Specify an output name:
+
+`memray run {{[-o|--output]}} {{path/to/output_file}}.bin {{path/to/file}}.py`
+
+- Display a summary of memory usage:
+
+`memray summary {{path/to/file}}.bin`
+
+- Generate an HTML flamegraph:
+
+`memray flamegraph {{path/to/file}}.bin`