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What is “entropy and information gain”?

...ther than images but the principles should be the same. //Loop over image array elements and count occurrences of each possible //pixel to pixel difference value. Store these values in prob_array for j = 0, ysize-1 do $ for i = 0, xsize-2 do begin diff = array(i+1,j) - array(i,j) ...
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How to initialize List object in Java?

...All Known Implementing Classes: AbstractList, AbstractSequentialList, ArrayList, AttributeList, CopyOnWriteArrayList, LinkedList, RoleList, RoleUnresolvedList, Stack, Vector Those can be instantiated. Use their links to know more about them, I.E: to know which fits better your needs. The 3 m...
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Why aren't variable-length arrays part of the C++ standard?

...th those people that seem to agree that having to create a potential large array on the stack, which usually has only little space available, isn't good. The argument is, if you know the size beforehand, you can use a static array. And if you don't know the size beforehand, you will write unsafe cod...
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Using usort in php with a class private function

...function merchantSort($a,$b) { return ...// the sort } And use an array for the second parameter: $array = $this->someThingThatReturnAnArray(); usort($array, array('ClassName','merchantSort')); share |...
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How to search for a string in cell array in MATLAB?

Let's say I have the cell array 8 Answers 8 ...
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Can I initialize a C# attribute with an array or other variable number of arguments?

... Attributes will take an array. Though if you control the attribute, you can also use params instead (which is nicer to consumers, IMO): class MyCustomAttribute : Attribute { public int[] Values { get; set; } public MyCustomAttribute(params...
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Deep copying an NSArray

Is there any built-in function that allows me to deep copy an NSMutableArray ? 6 Answers ...
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Javascript sort array by two fields

So the above code sorts the array by gsize - smallest to largest. It works good. But if the gsize is the same I would like it to then sort by glow. ...
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What would cause an algorithm to have O(log n) complexity?

... classic example is binary search, a fast algorithm for searching a sorted array for a value. The algorithm works like this: If the array is empty, return that the element isn't present in the array. Otherwise: Look at the middle element of the array. If it's equal to the element we're looking ...
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How is Python's List Implemented?

Is it a linked list, an array? I searched around and only found people guessing. My C knowledge isn't good enough to look at the source code. ...