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List comprehension rebinds names even after scope of comprehension. Is this right?

... 172 List comprehensions leak the loop control variable in Python 2 but not in Python 3. Here's Gu...
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Rails where condition using NOT NIL

... 516 The canonical way to do this with Rails 3: Foo.includes(:bar).where("bars.id IS NOT NULL") A...
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round up to 2 decimal places in java? [duplicate]

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Insert text with single quotes in PostgreSQL

...$ Which can be nested any number of levels: $token2$Inner string: $token1$escape ' with ''$token1$ is nested$token2$ Pay attention if the $ character should have special meaning in your client software. You may have to escape it in addition. This is not the case with standard PostgreSQL clients...
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Python strptime() and timezones?

...'t work with %Z, so the case is important. See the following example: In [1]: from datetime import datetime In [2]: start_time = datetime.strptime('2018-04-18-17-04-30-AEST','%Y-%m-%d-%H-%M-%S-%Z') In [3]: print("TZ NAME: {tz}".format(tz=start_time.tzname())) TZ NAME: None In [4]: start_time = d...
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Check whether an array is a subset of another

... bool isSubset = !t2.Except(t1).Any(); share | improve this answer | follow | ...
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Rotate axis text in python matplotlib

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What are the differences between Generics in C# and Java… and Templates in C++? [closed]

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How to set the maximum memory usage for JVM?

... | edited Feb 27 '14 at 15:23 Erik Kaplun 31.6k1111 gold badges8888 silver badges9696 bronze badges ...
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In-place type conversion of a NumPy array

... 112 You can make a view with a different dtype, and then copy in-place into the view: import nump...