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Using a bitmask in C#
...aren to the set by doing this:
FlagsHelper.Set(ref names, Names.Karen);
And I could remove Susan in a similar way:
FlagsHelper.Unset(ref names, Names.Susan);
*As Porges pointed out, an equivalent of the IsSet method above already exists in .NET 4.0: Enum.HasFlag. The Set and Unset methods don'...
print memory address of Python variable [duplicate]
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The reason why that happens is because both x and y are pointing to the same memory address. What reason would Python have in this case to create the exact same object in memory twice, when not explicitly asked to do so?
– 1313e
May...
pandas DataFrame: replace nan values with average of columns
I've got a pandas DataFrame filled mostly with real numbers, but there is a few nan values in it as well.
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Java 8 NullPointerException in Collectors.toMap
...ws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ?
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What's the algorithm to calculate aspect ratio?
...8:1.
If so, what you need to do is find the greatest common divisor (GCD) and divide both values by that. The GCD is the highest number that evenly divides both numbers. So the GCD for 6 and 10 is 2, the GCD for 44 and 99 is 11.
For example, a 1024x768 monitor has a GCD of 256. When you divide bot...
Func vs. Action vs. Predicate [duplicate]
With real examples and their use, can someone please help me understand:
3 Answers
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What is Linux’s native GUI API?
Both Windows (Win32 API) and OS X (Cocoa) have their own APIs to handle windows, events and other OS stuff. I have never really got a clear answer as to what Linux’s equivalent is?
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Length of an integer in Python
...f digits in the integer, you can always convert it to string like str(133) and find its length like len(str(123)).
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Drop columns whose name contains a specific string from pandas DataFrame
I have a pandas dataframe with the following column names:
10 Answers
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Getting hold of the outer class object from the inner class object
...esn't want to tell you what its outer instance is, you should respect that and try to design such that you don't need it.
– Jon Skeet
Nov 29 '09 at 19:29
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