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Python 3.14 is here. How fast is it?
In November of 2024 I wrote a blog post titled "Is Python Really That Slow?", in which I tested several versions of Python and noted the steady progress the language has been making in terms of…
Miguel Grinberg
miguelgrinberg.com
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Visit blog.miguelgrinberg.com → RSS feedOn Hacker News Mar 2013 – Jun 2026
Software Engineering 8AI & Machine Learning 3Web & Frontend 2Programming Languages 2Society, Policy & Culture 1Security & Privacy 1
2
Goodbye, Twilio
As of this week and after almost four years, I'm not a Twilio employee anymore. I'm writing this while I work through a range of conflicting emotions, and try to adapt to new daily routines without…
3
Generative AI coding tools and agents do not work for me
People keep asking me If I use Generative AI tools for coding and what I think of them, so this is my effort to put my thoughts in writing, so that I can send people here instead of having to repeat…
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datetime.utcnow() is now deprecated
I was going through the release notes of the new Python 3.12 version the other day, and one item caught my attention in the deprecations section:datetime.datetime’s utcnow() and utcfromtimestamp()…
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CSRF protection without tokens or hidden form fields
A couple of months ago, I received a request from a random Internet user to add CSRF protection to my little web framework Microdot, and I thought it was a fantastic idea.When I set off to do this…
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I Am Not a Reverse Centaur
About a year ago I wrote on this blog about how coding with LLMs would not work for me, even if there were no ethical or environmental concerns preventing me to use them. I'm not going to repeat the…
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The Flask Mega-Tutorial
You are reading the 2024 edition of the Flask Mega-Tutorial. The complete course is also available to order in e-book and paperback formats from Amazon. Thank you for your support!If you are looking…
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How LLMs Work, Explained Without Math
I'm sure you agree that it has become impossible to ignore Generative AI (GenAI), as we are constantly bombarded with mainstream news about Large Language Models (LLMs). Very likely you have tried…
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How to Make Python Wait
For many types of applications, at times it is necessary to pause the running of the program until some external condition occurs. You may need to wait until another thread finishes, or maybe until a…
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Sync vs. Async Python: What Is the Difference?
Have you heard people say that async Python code is faster than "normal" (or sync) Python code? How can that be? In this article I'm going to try to explain what async is and how it differs from…
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A toy programming language in 137 lines of Python code
I thought it would be fun to go outside of my comfort zone of web development topics and write about something completely different and new, something I have never written about before. So today, I'm…