Python Course

• The Programming Bootcamp for Scientists covers the whole Basic Python programming course and subjects such as Numpy, Pandas and other scientific programming libraries.

Articles about Python

• Listing a directory using Python
• How to insert a dictionary in another dictionary in Python (How to merge two dictionaries)
• range vs. xrange in Python
• List Comprehension vs Generator Expressions in Python
• Plain function or Callback - An example in Python
• Callback or Iterator in Python
• Function vs Generator in Python
• urllib vs urllib2 in Python - fetch the content of 404 or raise exception?
• Print HTML links using Python HTML Parser
• Extract HTML links using Python HTML Parser
• Creating an Iterator in Python
• Python Weekly statistics (using urllib2, HTMLParser and pickle)
• Solution: Number guessing game in Python
• Show Emoji in Python code
• for-else in Python indicating "value not found"
• Create your own interactive shell with cmd in Python
• Traversing directory tree using walk in Python - skipping .git directory
• Python: avoid importing everything using a star: *
• Type checking of Python code using mypy
• Python package dependency management - pip freeze - requirements.txt and constraints.txt

PIL, Pillow

This list contains articles on how to create and manipulate images using PIL, Pillow in Python.

• Create images with Python PIL and Pillow and write text on them
• Get size of image using PIL or Pillow
• Write text on existing image using Python PIL - Pillow
• Crop images using Python PIL - Pillow
• Resize images using Python PIL Pillow

Other

• Showing speed improvement using a GPU with CUDA and Python with numpy on Nvidia Quadro 2000D
• Send HTTP Requests in Python
• Command-line counter in Python
• Never use input() in Python 2
• Parallel processing in Python using fork
• Static web server in Python
• How to serialize a datetime object as JSON using Python?
• Using the Open Weather Map API with Python
• Skeleton: A minimal example generating HTML with Python Jinja
• Simple logging in Python
• Logging in Python
• Python argparse to process command line arguments
• How to commafy a number? (How to print number with commas as thousands separators using Python?)
• seek, tell
• Capture standard output, standard error, and the exit code of a subprocess (subprocess)
• Iterate over list of tuples
• Print version number of Python module
• Repeat the same random numbers using seed
• split command line into pieces as the shell does - shlex.split()
• Python context tools - cwd, tmpdir
• Python and PostgreSQL
• RPC with Python using RPyC
• Fermat primality test
• Python UUID - Universally unique identifier
• Time left in process (progress bar) in Python
• Python counter with MongoDB
• qx in Python execute external code and capture STDOUT
• Calling Java from Python
• Python and ElasticSearch
• Python daemon (background service)
• Python: print stack trace after catching exception
• Python: logging in a library even before enabling logging
• Python atexit exit handle - like the END block of Perl
• Traversing dependency tree
• Creating PDF files using Python and reportlab

Algrithms and data structures in Python

This is going to be a series of articles show various common algorithms and data structures implemented and explained in Python. I am basing a lot of my ideas on the excellent book Mastering Algorithms with Perl.

• Queues FIFO
• Stacks LIFO
• Dequese (Double ended queue)
• Binary search
• Hashing
• Arrays
• Linked Lists
• ...

Python Testing

• Introduction to Python unittest
• Doctest in Python
• Testing Python: Getting started with Pytest
• Python testing with Pytest: Order of test functions - fixtures
• Python Pytest assertion error reporting
• Python: Temporary files and directory for Pytest
• Mocking input and output for Python testing
• Testing random numbers in Python using mocks
• Fixing random numbers for testing
• Python: PyTest fixtures - temporary directory - tmpdir
• Python unittest fails, but return exit code 0 - how to fix
• Testing with PyTest (presentation recorded at PyConIL 2017)
• Parsing test results from JUnit XML files with Python
• Combine pytest reports

Find additional Python-related articels in the Flask series.