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What does the “yield” keyword do?

What is the use of the yield keyword in Python, and what does it do? 42 Answers 42 ...
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How can I check that a form field is prefilled correctly using capybara?

...Ah, I was missing the .value bit. Thanks! – Marc-André Lafortune May 8 '12 at 18:02 I was having the same problem, bu...
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python: how to identify if a variable is an array or a scalar

... sure, but avoid type, and also check not isinstance(x, (str, unicode)) on Python 2 – jamylak Feb 10 '15 at 11:04 Why ...
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Is there a Python equivalent of the C# null-coalescing operator?

...cing operator. In fact, it may even be useful to have this side-effect of Python. Since you know what values evaluates to false, you can use this to trigger the default value without using None specifically (an error object, for example). In some languages this behavior is referred to as the Elvis...
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Django migration strategy for renaming a model and relationship fields

... models.IntegerField() is_ridonkulous = models.BooleanField() Then python manage.py makemigrations python manage.py migrate Step 2: (Like step 2-4 from Fiver) Change the model name class Bar(models.Model): # <-- changed model name name = models.CharField(unique=True, max_length=...
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What is the difference between setUp() and setUpClass() in Python unittest?

What is the difference between setUp() and setUpClass() in the Python unittest framework? Why would setup be handled in one method over the other? ...
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Get raw POST body in Python Flask regardless of Content-Type header

... This seems to break when using raven-python (Sentry), bug and workarounds here: github.com/getsentry/raven-python/issues/457 – dequis Mar 17 '16 at 19:34 ...
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How to add an extra source directory for maven to compile and include in the build jar?

... answered Mar 17 '12 at 19:25 Péter TörökPéter Török 107k2727 gold badges254254 silver badges326326 bronze badges ...
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How do I get monitor resolution in Python?

...trics(1)) If you are working with high resolution screen, make sure your python interpreter is HIGHDPIAWARE. Based on this post. share | improve this answer | follow ...
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pg_config executable not found

... Have you installed python-dev? If you already have, try also installing libpq-dev sudo apt-get install libpq-dev python-dev From the article: How to install psycopg2 under virtualenv ...