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How to log source file name and line number in Python

...='%Y-%m-%d:%H:%M:%S', level=logging.DEBUG) logger = logging.getLogger(__name__) logger.debug("This is a debug log") logger.info("This is an info log") logger.critical("This is critical") logger.error("An error occurred") Generates this output: 2017-06-06:17:07:02,158 DEBUG [log.py:11] Thi...
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How does zip(*[iter(s)]*n) work in Python?

... each element is x. *arg unpacks a sequence into arguments for a function call. Therefore you're passing the same iterator 3 times to zip(), and it pulls an item from the iterator each time. x = iter([1,2,3,4,5,6,7,8,9]) print zip(x, x, x) ...
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Show all Elasticsearch aggregation results/buckets and not just 10

I'm trying to list all buckets on an aggregation, but it seems to be showing only the first 10. 4 Answers ...
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both

I've been usually installed python packages through pip. 8 Answers 8 ...
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Best practice for localization and globalization of strings and labels [closed]

... As far as I know, there's a good library called localeplanet for Localization and Internationalization in JavaScript. Furthermore, I think it's native and has no dependencies to other libraries (e.g. jQuery) Here's the website of library: http://www.localeplanet....
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Easy idiomatic way to define Ordering for a simple case class

...[...] to Ordered[TupleN[...]] provided an implicit Ordering[TN] exists for all elements T1, ..., TN of the tuple, which should always be the case because it makes no sense to sort on a data type with no Ordering. The implicit ordering for Tuples is your go-to for any sorting scenario involving a co...
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Factory pattern in C#: How to ensure an object instance can only be created by a factory class?

...some check before creating an object, probably in its constructor. This is all okay until I decide I want to make this check be a part of the business logic. So, how can I arrange for a business object to be creatable only through some method in my business logic class but never directly? The first ...
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How do you test that a Python function throws an exception?

...t ahold of the actual Exception object thrown: import unittest def broken_function(): raise Exception('This is broken') class MyTestCase(unittest.TestCase): def test(self): with self.assertRaises(Exception) as context: broken_function() self.assertTrue('This i...
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Pretty-print an entire Pandas Series / DataFrame

...: # more options can be specified also print(df) This will automatically return the options to their previous values. If you are working on jupyter-notebook, using display(df) instead of print(df) will use jupyter rich display logic (like so). ...
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Toggle button using two image on different state

...android:background="@null" and android:drawableRight="@drawable/check". Usually I've found toggle buttons are right-justified. If you need it left-justified, use android:drawableLeft – Patrick Jun 1 '15 at 10:39 ...