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How to split/partition a dataset into training and test datasets for, e.g., cross validation?
What is a good way to split a NumPy array randomly into training and testing/validation dataset? Something similar to the cvpartition or crossvalind functions in Matlab.
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Send POST request using NSURLSession
...d possibly mutate? Or is it because you are constantly appending ( like an Array or Dictionary maybe) the url, then method then body so it must be mutable? And if that is the case then where would ever need to use NSURLRequest?
– Honey
Jun 11 '16 at 13:53
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How can jQuery deferred be used?
...acheKey] = promise;
// perform the computation
var args = Array.prototype.slice.call(arguments);
args.push(deferred.resolve);
this._computationFunction.apply(null, args);
}
return promise;
};
// Default cache key generator (works with Booleans, Strings, Num...
How to split csv whose columns may contain ,
... tokens.Add(csvText.Substring(last+1).Trim());
}
return tokens.ToArray();
}
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Check if PHP session has already started
... @zloctb: I can't think of any situation in which I'd do $_SESSION=array();, so this answer seems okay.
– halfer
Oct 19 '13 at 7:57
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How to get object size in memory? [duplicate]
...ew BinaryFormatter();
MemoryStream ms = new MemoryStream();
byte[] Array;
bf.Serialize(ms, TestObject);
Array = ms.ToArray();
return Array.Length;
}
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Patterns for handling batch operations in REST web services?
...odically.
The object, if I remember correctly, essentially just held an array of "commands" -- e.g., to extend your example, each one a record containing a "markAsRead" command, a "messageId" and maybe a reference to a callback/handler function -- and then according to some schedule, or on some u...
Amazon Interview Question: Design an OO parking lot [closed]
...ace.
CompactParkingSpace is a subclass of ParkingSpace.
ParkingLot keeps array of ParkingSpaces, and a separate array of vacant ParkingSpaces in order of distance from its Entrance.
ParkingLotSign can be told to display "full", or "empty", or "blank/normal/partially occupied" by calling .Full(), ...
delete vs delete[] [duplicate]
...bject), the value of the operand of
delete shall be a pointer to a
non-array object or a pointer to a
sub-object (1.8) representing a base
class of such an object (clause 10).
If not, the behavior is undefined.
In the second alternative (delete
array), the value of the operand of
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php create object without class [duplicate]
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If you are looking at turning a nested array into an object, I'd recommend using json_decode(json_encode($array)) which will turn the entire array into a nested stdClass object. If you use (object) $array it will only convert the first layer into an object, every...