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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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64
There is no article which "proves" anything about a performance question. The way to prove an a...
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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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...
Populating a database in a Laravel migration file
... $table->string('email', 255);
$table->string('password', 64);
$table->boolean('verified');
$table->string('token', 255);
$table->timestamps();
});
// Insert some stuff
DB::table('users')->insert(
array(
'email' =&...
Best way to iterate through a Perl array
..., sounds like one shouldn't use that approach. stackoverflow.com/questions/6440723/… rt.cpan.org/Public/Bug/Display.html?id=115863
– Thorsten Schöning
Jan 14 '19 at 11:40
...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
...ET\Framework\v4.0.30319\aspnet_regiis.exe -i
http://forums.iis.net/p/1190643/2026401.aspx
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How to find a deleted file in the project commit history?
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64
What if you don't know the exact path? All you know is the filename?
– priestc
Nov 16 '12 at 4:09
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