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What are good examples of genetic algorithms/genetic programming solutions? [closed]
...e application started with a population of randomly-generated fixed-length strings (the "gene" part), each of which corresponded to a specific shape in the minute-by-minute price data of the S&P500 futures, as well as a specific order (buy or sell) and stop-loss and stop-profit amounts. Each st...
mongoose vs mongodb (nodejs modules/extensions), which better? and why?
...mething like mongooseInstace.model('MyCollection', { "_id": Number, "xyz": String }) it's better to do (even though the collection name is really MyCollection): mongooseInstace.model('mycollection', { "_id": Number, "xyz": String })
But honestly, it's really useful. The biggest issue is the docume...
How to find out if a file exists in C# / .NET?
I would like to test a string containing a path to a file for existence of that file (something like the -e test in Perl or the os.path.exists() in Python) in C#.
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What is the opposite of 'parse'? [closed]
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err.. why not ToString() ? Seems to be the standard set by the likes of Int32, etc
– Joseph Kingry
Oct 20 '09 at 20:06
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In Java, how do I call a base class's method from the overriding method in a derived class?
...stem.out.println("re:"+z);
}
}
class free{
public static void main(String ar[]){
demo d=new demo(6);
}
}
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c# why can't a nullable int be assigned null as a value [duplicate]
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Similarly I did for long:
myLongVariable = (!string.IsNullOrEmpty(cbLong.SelectedItem.Value)) ? Convert.ToInt64(cbLong.SelectedItem.Value) : (long?)null;
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How change List data to IQueryable data [duplicate]
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var list = new List<string>();
var queryable = list.AsQueryable();
Add a reference to: System.Linq
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Syntax error on print with Python 3 [duplicate]
Why do I receive a syntax error when printing a string in Python 3?
3 Answers
3
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Python-equivalent of short-form “if” in C++ [duplicate]
...pproach here can backfire on you if the "123" value were actually an empty string or evaluates to a false value. The if..else is a bit safer.
– jdi
Apr 29 '14 at 19:56
add a c...
How to check if a list is empty in Python? [duplicate]
...You can do that, but it would violate pep 8, which says: - For sequences, (strings, lists, tuples), use the fact that empty sequences are false. Yes: if not seq: if seq: No: if len(seq) if not len(seq)
– Chris Lacasse
No...