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Standard deviation of a list

I want to find mean and standard deviation of 1st, 2nd,... digits of several (Z) lists. For example, I have 8 Answers ...
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How can I use MS Visual Studio for Android Development?

Can you use Visual Studio for Android Development? 14 Answers 14 ...
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Block Comments in a Shell Script

Is there a simple way to comment out a block of code in a shell script? 12 Answers 12 ...
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Python __str__ and lists

In Java, if I call List.toString(), it will automatically call the toString() method on each object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this: ...
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How do I convert seconds to hours, minutes and seconds?

I have a function that returns information in seconds, but I need to store that information in hours:minutes:seconds. 12 An...
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How to get rid of the 'undeclared selector' warning

I want to use a selector on an NSObject instance without the need for an implemented protocol. For example, there's a category method that should set an error property if the NSObject instance it's called on supports it. This is the code, and the code works as intended: ...
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How do I convert a double into a string in C++?

I need to store a double as a string. I know I can use printf if I wanted to display it, but I just want to store it in a string variable so that I can store it in a map later (as the value , not the key ). ...
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set gvim font in .vimrc file

I am using gVim 7.2 on Windows 7. I can set the gui font as Consolas 10 (font size) from the menu. I am trying to set this in .vimrc file like below: ...
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How do I log errors and warnings into a file?

How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)? ...
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Is it possible to use Visual Studio on macOS?

... Yes! You can use the new Visual Studio for Mac, which Microsoft launched in November. Read about it here: https://msdn.microsoft.com/magazine/mt790182 Download a preview version here: https://www.visualstudio.com/vs/visual-studio-mac/ ...