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How to store a dataframe using Pandas
... data needs to be transformed after loading (i.e. string/object to datetime64) this would need to be done again after loading a saved csv, resulting in performance loss. pickle saves the dataframe in it's current state thus the data and its format is preserved. This can lead to massive performance i...
Debug vs. Release performance
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There is no article which "proves" anything about a performance question. The way to prove an a...
Is there a printf converter to print in binary format?
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Posted an expanded version of this macro with 16, 32, 64 bit int support: stackoverflow.com/a/25108449/432509
– ideasman42
Jun 21 '17 at 19:57
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What data type to use for money in Java? [closed]
... rate calculations. However, depending on the application, you may need a 64-bit integer type.
– Alchymist
Mar 25 '15 at 12:34
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Heroku/GoDaddy: send naked domain to www [closed]
... in order for your domain name to forward, its A record must be pointed to 64.202.189.170 or must fall between the following ranges: 50.63.202.1 - 50.63.202.31 or 184.168.221.1 - 184.168.221.31.
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Get all unique values in a JavaScript array (remove duplicates)
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64
This solution will run much slower, unfortunately. You're looping twice, once with filter and once with index of
– Ja...
How to check if a file is a valid image file?
...tandard Pillow or 40 MBytes/sec with Pillow-SIMD module (modern 2.5Ghz x86_64 CPU).
For the other formats psd,xcf,.. you can use Imagemagick wrapper Wand, the code is as follows:
im = wand.image.Image(filename=filename)
temp = im.flip;
im.close()
But, from my experiments Wand does not detect tru...
What is the reason behind cbegin/cend?
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TemplateRexTemplateRex
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Is there type Long in SQLite?
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His above link depicts a 64 bit Integer or Essentially a long, also see
What is the difference between SQLite integer data types like int, integer, bigint, etc.?
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Version of SQLite used in Android?
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