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Sebastian Witowski

Personal blog · switowski.com/blogprogrammingcareer

Sebastian Witowski's personal blog at switowski.com covers programming and career. Since 2019, 12 different Hacker News readers have linked it 35 times, most often “Ask for Forgiveness or Look Before You Leap in Python?”. It is still writing: the last post was on 2024-11-16, and you can follow it by feed.

Visit the blog
35mentions?
12HN people?
2019–2025first – last linked?
Links on Hacker News per year · peak 14 in 2019

Too few sampled comments (1) to say how often HN recommends it.?

Why HN links it

HN readers link this post for its overview of Python benchmarking libraries. The one comment mentioning it calls it a decent overview.

Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Sebastian Witowski - Python freelancer, consultant, and trainer.

Most-linked posts?

  1. Ask for Forgiveness or Look Before You Leap in Python?
    3 people · 3 mentions · first linked 2020-08-19
  2. How to Make a Great Conference Talk
    3 people · 3 mentions · first linked 2023-03-21
  3. You Don't Have to Migrate to Python 3
    2 people · 2 mentions · first linked 2019-11-01
  4. Let's Write an IPython Extension the Hard Way
    2 people · 2 mentions · first linked 2020-07-16
  5. I've built my first successful side project, and I hate it
    2 people · 2 mentions · first linked 2024-08-21
  6. Favorite CLI Tools
    2 people · 2 mentions · first linked 2020-06-18
  7. How to Benchmark (Python) Code
    2 people · 2 mentions · first linked 2022-11-24

What Hacker News says?

  1. zem · 2025-11-20Recommends
    https://switowski.com/blog/how-to-benchmark-python-code/ has a decent overview of some benchmarking libraries

    Comment linking /blog/how-to-benchmark-python-code/

    on “Performance hacks for faster Python code”
  2. Submitted I've built my first successful side project, and I hate it as a story · 1492 points

    HN discussion
  3. I've been writing a short series of articles about magic functions in IPython. In the previous parts, I've explained how the line and cell magic works and how to create your own by decorating a function. In the last part, I'm explaining: * What are Magics classes? * How are they different from magic functions and when you might want to use one or the other? * How to create a type checker for Python type hints (that…

    Comment linking /python/ipython/2019/02/15/creating-magic-functions-part3.html

    on “Magics classes in IPython”
  4. Submitted I Like Makefiles as a story · 380 points

    HN discussion
  5. Hey, I've been writing a short series of articles about magic functions in IPython. If you are curious how to: * Run JavaScript or Ruby code without leaving IPython * Create a type checker that will use mypy to check blocks of code in IPython * Or what is the difference between "line magic", "cell magic" and "line and cell" magic functions? then check out the second part of the series: https://switowski.com/python/i…

    Comment linking /python/ipython/2019/02/08/creating-magic-functions-part2.html

    on “Creating a type checker magic function in IPython”
  6. Submitted No "Hello", No "Quick Call", and No Meetings Without an Agenda as a story · 229 points

    HN discussion
  7. Submitted Favorite CLI Tools as a story · 85 points

    HN discussion
  8. Submitted I've built my first successful side project, and I hate it as a story · 48 points

    HN discussion
  9. Submitted You Don't Have to Migrate to Python 3 as a story · 9 points

    HN discussion
  10. Submitted Ways of Debugging with IPython as a story · 7 points

    HN discussion
  11. Submitted You Don't Have to Migrate to Python 3 as a story · 7 points

    HN discussion
  12. Submitted macOS Apps That I'm Using as a story · 5 points

    HN discussion
  13. Submitted My Favorite CLI Tools as a story · 5 points

    HN discussion
  14. Submitted Magics classes in IPython as a story · 3 points

    HN discussion
  15. Submitted How to Make a Great Conference Talk as a story · 2 points

    HN discussion
  16. Submitted How to Benchmark (Python) Code as a story · 2 points

    HN discussion
  17. Submitted Checking for True or False in Python as a story · 2 points

    HN discussion
  18. Submitted Let's Write an IPython Extension the Hard Way as a story · 2 points

    HN discussion
  19. Submitted I'm Programming on a Macbook and Here Are the Tools That Make My Life Easier as a story · 2 points

    HN discussion
  20. Submitted TIL: In Python PIP_REQUIRE_VIRTUALENV disables pip outside of a virtualenv as a story · 2 points

    HN discussion
  21. Submitted Automatically reload Python modules with %autoreload as a story · 2 points

    HN discussion
  22. Submitted Creating a type checker magic function in IPython as a story · 2 points

    HN discussion
  23. Submitted Creating Magic Functions in IPython as a story · 2 points

    HN discussion
  24. Submitted Configuring git as a story · 2 points

    HN discussion
  25. Submitted How to Make a Great Conference Talk as a story · 1 points

    HN discussion
  26. Submitted How to Make a Great Conference Talk as a story · 1 points

    HN discussion
  27. Submitted Easy Speedup Wins with Numba as a story · 1 points

    HN discussion
  28. Submitted Ask for Forgiveness or Look Before You Leap? as a story · 1 points

    HN discussion
  29. Submitted Ask for Forgiveness or Look Before You Leap? as a story · 1 points

    HN discussion
  30. Submitted Ask for Forgiveness or Look Before You Leap in Python? as a story · 1 points

    HN discussion

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