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What does an underscore in front of an import statement mean?

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Why is there an injected class name?

...to the scope of the class itself. The second sentence was changed by DR 147 so C++03 says in [class]/2: A class-name is inserted into the scope in which it is declared immediately after the class-name is seen. The class-name is also inserted into the scope of the class itself; this is known as...
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What is the difference between git clone and checkout?

... 342 The man page for checkout: http://git-scm.com/docs/git-checkout The man page for clone: http:/...
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What is the Oracle equivalent of SQL Server's IsNull() function?

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How to percent-encode URL parameters in Python?

... 407 Python 2 From the docs: urllib.quote(string[, safe]) Replace special characters in stri...
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Rails - Validate Presence Of Association?

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Good ways to sort a queryset? - Django

...rdered = sorted(auths, key=operator.attrgetter('last_name')) In Django 1.4 and newer you can order by providing multiple fields. Reference: https://docs.djangoproject.com/en/dev/ref/models/querysets/#order-by order_by(*fields) By default, results returned by a QuerySet are ordered by the orderin...
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How long is the SHA256 hash?

... 346 A sha256 is 256 bits long -- as its name indicates. Since sha256 returns a hexadecimal represe...
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How to go to an error using only the keyboard in Eclipse?

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How to install a specific version of a ruby gem?

... answered Jun 10 '13 at 14:37 mjsmjs 54.3k2424 gold badges7979 silver badges111111 bronze badges ...