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Convert numpy array to tuple
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Nice generalization. As a python newbie, though, I wonder if it's considered good style to use exceptions for a condition that is almost as common as the non-exceptional state. At least in c++, flow control by exceptions is usually frowned upon. Wou...
Django: “projects” vs “apps”
...views.py doesn't have to be called views.py? Provided you can name, on the python path, a function (usually package.package.views.function_name) it will get handled. Simple as that. All this "project"/"app" stuff is just python packages.
Now, how are you supposed to do it? Or rather, how might I do...
How to run Selenium WebDriver test cases in Chrome?
...ersion of chromedriver here.
Once downloaded, unzip it at the root of your python installation, eg C:/Program Files/Python-3.5, and that's it.
You don't even need to specify the path anywhere and/or add chromedriver to your path or the like.
I just did it on a clean Python installation and that work...
Difference between a “coroutine” and a “thread”?
...ctions as determined by the programmer. Languages with generators, such as Python and ECMAScript 6, can be used to build coroutines. Async/await (seen in C#, Python, ECMAscript 7, Rust) is an abstraction built on top of generator functions that yield futures/promises.
In some contexts, coroutines m...
Case insensitive replace
What's the easiest way to do a case-insensitive string replacement in Python?
10 Answers
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Replace string within file contents
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"t" for text mode is Python 3 only. Also, you provide a context manager for your ouput file, but fail to close your input file, which seems inconsistent.
– Steven Rumbalski
Nov 8 '10 at 21:50
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django unit tests without a db
...it like the following with --settings flag set to your new settings file:
python manage.py test myapp --settings='no_db_settings'
UPDATE: April/2018
Since Django 1.8, the module django.test.simple.DjangoTestSuiteRunner were moved to 'django.test.runner.DiscoverRunner'.
For more info check offic...
How does the Google “Did you mean?” Algorithm work?
...nteresting read about the "spelling correction" topic. The examples are in Python but it's clear and simple to understand, and I think that the algorithm can be easily
translated to other languages.
Below follows a short description of the algorithm.
The algorithm consists of two steps, preparatio...
How to compare two dates?
How would I compare two dates to see which is later, using Python?
5 Answers
5
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how to convert an RGB image to numpy array?
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You can use newer OpenCV python interface (if I'm not mistaken it is available since OpenCV 2.2). It natively uses numpy arrays:
import cv2
im = cv2.imread("abc.tiff",mode='RGB')
print type(im)
result:
<type 'numpy.ndarray'>
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