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Is there an R function for finding the index of an element in a vector?
In R, I have an element x and a vector v . I want to find the first index of an element in v that is equal to x . I know that one way to do this is: which(x == v)[[1]] , but that seems excessively inefficient. Is there a more direct way to do it?
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Razor View Engine : An expression tree may not contain a dynamic operation
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Two sets of parentheses after function call
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How to access pandas groupby dataframe by key
How do I access the corresponding groupby dataframe in a groupby object by the key?
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Java - Including variables within strings?
Ok, so we all should know that you can include variables into strings by doing:
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C# - Attribute to Skip over a Method while Stepping in Debug Mode
Is there an attribute I can use on a method so that when stepping through some code in Debug mode the Debugger stays on the outside of the method?
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Resize image to full width and fixed height with Picasso
I have a vertical LinearLayout where one of the items is an ImageView loaded using Picasso. I need to rise the image's width to the full device width, and to display the center part of the image cropped by a fixed height (150dp). I currently have the following code:
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String replacement in Objective-C
How to replace a character is a string in Objective-C?
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Encoding Javascript Object to Json string
I want to encode a Javascript object into a JSON string and I am having considerable difficulties.
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