[Solved] How to convert RGB to grayscale by using color dimensions [closed]

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The converting function that you are referring to does the same – it weights the R,G and B channel values of each pixel, and takes the sum. Since OpenCV uses the BGR colorspace on reading images, your conversion function will be something like this- def rgbToGray(img): grayImg = 0.0722*img(:,:,1) + 0.7152*img(:,:,2) + 0.2126*img(:,:,3) return grayImg … Read more

[Solved] Populate CollectionView and TableView using objects at different index of same array [closed]

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You can use filter method of array: //this filter will return you all objects whose group type is equal to 1 let collectionArray = (product_groups?.filter({$0.group_type == 1})) //this filter will return you all objects whose group type is equal to 2 let tableArray = (product_groups?.filter({$0.group_type == 2})) For group title to be section header: – … Read more

[Solved] How to implement Closure in python using c api? [closed]

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I’ve never actually seen PyFunction_SetClosure used, but I would expect to use it for modifying an existing Python function object to change the closure variables. It probably isn’t suitable for implementing a generating a new function with a closure from scratch, because that would not be implemented in terms of PyFunctionObject (since these are specifically … Read more

[Solved] php and mysqli help needed

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The problem is that you are getting multiple rows back and storing your id in one variable that gets overwritten every loop. I would recommend you create a class (if u are going the OO way) and add that to the list instead $sortedData = []; class Fotograf { public $Id; public $Firma; } // … Read more

[Solved] std::cin Will not work

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Reading input with std::cin std::cin is used for input, and you have to store the value you want to read into a variable. For example, std::string word; std::cin >> word; std::cin >> word; will assign to word the word the user has entered. Hence, it makes no sense to pass a string literal (“hello” for … Read more

[Solved] Split EDI string on ‘ in c#

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Looking at your input and expected output there is a space that has gone missing. If you really want to remove that space you could use LINQs Select extension method: var orderElements = order.Split(‘\”).Select(s => s.Trim()).ToList(); Also the string ends in an ‘ so you might want to remove empty entries like: .Split(new char[] { … Read more

[Solved] multiply and SUM() MS SQL

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@fia Maybe you should do your calculation elsewhere first for example on paper or in Excel to ensure you know exactly what you should get. It would also help you figure out the order of the calculation before writing it in SQL. According to the figures shown the values you’ve stated seems to be correct … Read more

[Solved] How to find the depth of an unlimited depthed array [duplicate]

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Try this man function array_depth($array, $n = 0) { $max_depth = 1; foreach ($array as $value) { if (isset($value[‘subcategories’][0])) { $depth = $this -> array_depth($value[‘subcategories’]) + 1; if ($depth > $max_depth) { $max_depth = $depth; } } } return $max_depth; } 1 solved How to find the depth of an unlimited depthed array [duplicate]