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How do I convert a numpy array to (and display) an image?
... (and display) an image:
from PIL import Image
import numpy as np
w, h = 512, 512
data = np.zeros((h, w, 3), dtype=np.uint8)
data[0:256, 0:256] = [255, 0, 0] # red patch in upper left
img = Image.fromarray(data, 'RGB')
img.save('my.png')
img.show()
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Iterating C++ vector from the end to the beginning
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158
The best way is:
for (vector<my_class>::reverse_iterator i = my_vector.rbegin();
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Why would I ever use push_back instead of emplace_back?
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5 Answers
5
Active
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How do I generate random number for each row in a TSQL Select?
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528
Take a look at SQL Server - Set based random numbers which has a very detailed explanation.
T...
In Angular, I need to search objects in an array
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95
I know if that can help you a bit.
Here is something I tried to simulate for you.
Checkout the...
Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.customer
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Tool to convert Python code to be PEP8 compliant
...--in-place
# the lines which changed since a specific commit `git diff 98f51f`
pep8radius 98f51f --diff
Basically pep8radius is applying autopep8 to lines in the output of git/hg diff (from the last shared commit).
This script currently works with git and hg, if your using something else and wan...
What is the most efficient way to store a list in the Django models?
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answered Jul 10 '09 at 15:23
Andrew HareAndrew Hare
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Convert HTML to PDF in .NET
...s packages and can be freely used. Of course someone can use the continued 5+ paid version.
I tried to integrate wkhtmltopdf solutions on my project and had a bunch of hurdles.
I personally would avoid using wkhtmltopdf - based solutions on Hosted Enterprise applications for the following reasons....