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How to convert a string of bytes into an int?

...afał: Not really, since Greg was using <, according to the docs L is standard size (4) "when the format string starts with one of '<', '>', '!' or '='." docs.python.org/library/struct.html#format-characters – André Laszlo Dec 24 '11 at 0:50 ...
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ViewDidAppear is not called when opening app from background

I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
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Why is it impossible to build a compiler that can determine if a C++ function will change the value

...er any given program will terminate. This is known as the halting problem, and it's one of those things that's not computable. To be clear, you can write a compiler that can determine that a function does change the variable in some cases, but you can't write one that reliably tells you that the fu...
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Passing a method as a parameter in Ruby

...ult argument in a block declaration like that. So you need to use a splat and setup the default in the proc code itself. Or, depending on your scope of all this, it may be easier to pass in a method name instead. def weightedknn(data, vec1, k = 5, weightf = :gaussian) ... weight = self.send...
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How to pass variable from jade template file to a script file?

...this working also by wrapping the local variable in the template in quotes and the #{} indicator. – Askdesigners Feb 11 '15 at 20:02 ...
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How do I filter an array with AngularJS and use a property of the filtered object as the ng-model at

If I have an array of objects, and I want to bind the Angular model to a property of one of the elements based on a filter, how do I do that? I can explain better with a concrete example: ...
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Generating random strings with T-SQL

If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it? ...
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Can Json.NET serialize / deserialize to / from a stream?

I have heard that Json.NET is faster than DataContractJsonSerializer, and wanted to give it a try... 5 Answers ...
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Why does pylint object to single character variable names?

I'm still getting used to python conventions and using pylint to make my code more pythonic, but I'm puzzled by the fact that pylint doesn't like single character variable names. I have a few loops like this: ...
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Why does direction of index matter in MongoDB?

... MongoDB concatenates the compound key in some way and uses it as the key in a BTree. When finding single items - The order of the nodes in the tree is irrelevant. If you are returning a range of nodes - The elements close to each other will be down the same branches of th...