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How to find the key of the largest value hash?
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You can also do hash.max_by(&:last) for the pair and hash.max_by(&:last).first for the key.
– mahemoff
Aug 18 '15 at 17:48
add a com...
Disable IPython Exit Confirmation
...tal E.
Alternatively, start IPython with:
$ ipython -noconfirm_exit
Or for newer versions of IPython:
$ ipython --no-confirm-exit
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What does [STAThread] do?
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The STAThreadAttribute is essentially a requirement for the Windows message pump to communicate with COM components. Although core Windows Forms does not use COM, many components of the OS such as system dialogs do use this technology.
MSDN explains the reason in slightly mor...
PowerShell script to return versions of .NET Framework on a machine?
...g to use the registry you have to recurse in order to get the full version for the 4.x Framework. The earlier answers both return the root number on my system for .NET 3.0 (where the WCF and WPF numbers, which are nested under 3.0, are higher -- I can't explain that), and fail to return anything for...
What is the C# equivalent to Java's isInstance()?
I know of is and as for instanceof , but what about the reflective isInstance() method?
5 Answers
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Python argparse ignore unrecognised arguments
...= parser.parse_args()
with
args, unknown = parser.parse_known_args()
For example,
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--foo')
args, unknown = parser.parse_known_args(['--foo', 'BAR', 'spam'])
print(args)
# Namespace(foo='BAR')
print(unknown)
# ['spam']
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Why is there no std::stou?
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Do you know why the C++ Committee decided to go for such a C-ish approach? Something like boost::lexical_cast<>() seems like a more C++ way of doing things.
– Paul Manta
Jan 3 '12 at 17:27
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Order of member constructor and destructor calls
...2
6 Initialization shall proceed in the
following order:
First, and only for
the constructor of the most derived
class as described below, virtual base
classes shall be initialized in the
order they appear on a depth-first
left-to-right traversal of the
directed acyclic graph of base
classes, wher...
Convert timedelta to total seconds
...eds to be compatible with 2.6: See stackoverflow.com/questions/3318348/… for how to extend datetime.timedelta with the new method yourself.
– Uwe Geuder
Dec 16 '13 at 18:42
8
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XPath: select text node
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