Tag Archives: Python

Python Module Usage Stats – Feb 2011

Posted on February 28, 2011 by lorg

Here are the top 30 “base modules”, ordered by number of PyPI projects importing them. These results are based on 11,204 packages download from PyPI. Explanations, full results and code to generate them are available below. Continue reading →

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Posted in Python | Tagged , , , | 9 Comments

Beautiful Code

Posted on February 5, 2011 by lorg

A few days ago, @edensh mentioned in Facebook beautiful code, and many people gave examples of assembly, while I was thinking of Python. That got me thinking: what is beautiful code for me? So here are my criteria for beautiful … Continue reading →

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Posted in Programming Philosophy | Tagged , , , , | 1 Comment

Small programming challenge No. 6 – nblocks

Posted on January 25, 2011 by lorg

I came up with this challenge when I had to write a function to divide a sequence to percentiles. I needed this to calculate some statistics over trips for plnnr.com. “This sounds trivial” I thought, and reached for my simple … Continue reading →

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Posted in Challenges, Programming, Python, Statistics | Tagged , , , , | 21 Comments

One-liner Guitar Tuner in Python

Posted on April 22, 2010 by lorg

On windows, assuming imports are free: import winsound winsound.Beep(220*((2**(1/12.0))**7), 2000) But that’s just because I like to tune to E. If you prefer a more “natural looking” note, you can use A: winsound.Beep(110, 1000) But why choose at all when … Continue reading →

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Posted in Python, Sound | Tagged , , , | 2 Comments

Visualizing Data Using the Hilbert Curve

Posted on April 17, 2010 by lorg

Some time ago, a coworker asked me to help him visualize some data. He had a very long series (many millions) of data points, and he thought that plotting a pixel for each one would visualize it well, so he … Continue reading →

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Posted in Fractals, Graphics, Math, Programming, Python | Tagged , , , | 2 Comments

Fuzz-Testing With Nose

Posted on March 30, 2010 by lorg

A few days ago, I found a in my website, plnnr.com. The bug was in a new feature I added to the algorithm. The first thing I did was write a small unit-test to reproduce the bug. With that unit-test … Continue reading →

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Posted in Python, Testing | Tagged , , , | 3 Comments

Pyweb-il Presentation on Optimization Slides

Posted on March 26, 2010 by lorg

Last Monday I gave a presentation in pywebil on optimization, that’s loosely based on my blog post on the same subject. Here are the slides for that presentation.

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Posted in Optimization, Programming, Python | Tagged , , , | Leave a comment

Call for Volunteers: Open Knesset – oknesset.org

Posted on March 11, 2010 by lorg

Over the last few weeks, I’ve been lightly involved in work on open knesset. Mostly I’ve been helping two of the main developers, Benny and Ofri, and joining the discussions on the discussion group. (For the non-Israelis: the Knesset is … Continue reading →

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Posted in Projects | Tagged , , , | 2 Comments

And now for something completely different

Posted on November 10, 2009 by lorg

My friend Yuval whom you might already know from the comments here, apparently composed music for the Python Zen. It made me laugh today, and as it’s been a long day, I thought it’s worth sharing here. Especially as it … Continue reading →

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Posted in Humour, Python | Tagged , , , | Leave a comment

Leaky method references

Posted on November 4, 2009 by lorg

After reading my last post regarding __del__, you should know that __del__ + reference cycle = leak. Let’s say that you do need to use __del__, so you decide to avoid reference cycles. You write your code in such a … Continue reading →

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Posted in Python | Tagged , , , , | Leave a comment