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**// Python tips and tutorials**

- A collection of not so obvious Python stuff you should know! [[IPython nb]](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/not_so_obvious_python_stuff.ipynb?create=1)

- Python's scope resolution for variable names and the LEGB rule [[IPython nb]](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/tutorials/scope_resolution_legb_rule.ipynb?create=1)

- A thorough guide to SQLite database operations in Python [[Markdown]](./sqlite3_howto/README.md)

- Unit testing in Python - Why we want to make it a habit [[Markdown]](./tutorials/unit_testing.md)

- Installing Scientific Packages for Python3 on MacOS 10.9 Mavericks [[Markdown]](./tutorials/installing_scientific_packages.md)

**// benchmarks**

- Python benchmarks via `timeit` [[IPython nb]](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/benchmarks/timeit_tests.ipynb?create=1)

- Implementing the least squares fit method for linear regression and speeding it up via Cython [[IPython nb]](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/benchmarks/cython_least_squares.ipynb?create=1)

- Benchmarks of different palindrome functions [[IPython nb]](http://nbviewer.ipython.org/github/rasbt/python_reference/blob/master/benchmarks/palindrome_timeit.ipynb?create=1)

**// other**