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  1. Just ride

    Just Ride book cover

    Book cover

    I've just finished reading an enjoyable book about cycling called Just ride, (a radically practical guide to riding your bike). It's an interesting book for anyone who just wants to get on a bike and enjoy it, without being forced to adopt a sports bike attitude ...

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  2. Busch & Müller all weather dynamo roller

    After recently purchasing a Busch & Müller dymotec 6 dynamo, I found the noise level increased dramatically during wet weather. Going from a low hum in the dry to a higher pitch tone in wet weather.

    Initially I thought this could be down to the rubber roller slipping against the tyre ...

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  3. Dymotec 6 & Lumotec IQ Cyo RT senso plus

    After visiting Berlin recently I noticed how many bikes used dynamos and liked the idea of a fixed front light powered by a dynamo.

    The thought of not having to carry spare battries and the fact that my battery powered front light needed replacement anyway, I decided to try out ...

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  4. Rotate arbitrary

    Another way to rotate by arbitrary values.

    You can in python 2.x - just str.encode(“rot13”) - but for other rotations you could use the following (for ascii):

    from string import ascii_uppercase as uc, ascii_lowercase as lc, maketrans
    def rot_func(text, encode=True, rotate=13):
        letters = uc + lc
        rot = "".join ...
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  5. Favourite quotes

    A selection of my favourite quotes I’ve come across recently…

      • L1 cache - 3s grabbing a piece of paper
      • L2 cache - 14s picking a book from a shelf
      • System RAM - 4m walk down the hall
      • Hard drive seek - Like leaving the building to roam the earth for one year and ...
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