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What is the best way to implement nested dictionaries?
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What is the best way to implement nested dictionaries in Python?
This is a bad idea, don't do ...
Google Maps API 3 - Custom marker color for default (dot) marker
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535
You can dynamically request icon images from the Google charts api with the urls:
http://chart...
How does C compute sin() and other math functions?
...ion or branching is rather clever. But there's no comment at all!
Older 32-bit versions of GCC/glibc used the fsin instruction, which is surprisingly inaccurate for some inputs. There's a fascinating blog post illustrating this with just 2 lines of code.
fdlibm's implementation of sin in pure C ...
Javascript when to use prototypes
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133
Prototypes are an optimisation.
A great example of using them well is the jQuery library. Eve...
How to make rounded percentages add up to 100%
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34
Since none of the answers here seem to solve it properly, here's my semi-obfuscated version usi...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
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13 Answers
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How do I read image data from a URL in Python?
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In Python3 the StringIO and cStringIO modules are gone.
In Python3 you should use:
from PIL import Image
import requests
from io import BytesIO
response = requests.get(url)
img = Image.open(BytesIO(response.content))
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What is the difference between dict.items() and dict.iteritems() in Python2?
...items(). The original remains for backwards compatibility.
One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7.
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How do I override nested NPM dependency versions?
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243
You can use npm shrinkwrap functionality, in order to override any dependency or sub-dependency....
Python group by
...Do it in 2 steps. First, create a dictionary.
>>> input = [('11013331', 'KAT'), ('9085267', 'NOT'), ('5238761', 'ETH'), ('5349618', 'ETH'), ('11788544', 'NOT'), ('962142', 'ETH'), ('7795297', 'ETH'), ('7341464', 'ETH'), ('9843236', 'KAT'), ('5594916', 'ETH'), ('1550003', 'ETH')]
>>&g...