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How to rename a single column in a data.frame?
I know if I have a data frame with more than 1 column, I can use
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What is the difference between exit() and abort()?
... Johannes Schaub - litbJohannes Schaub - litb
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...rrays in Bash.
Quotes revisited (${foo[@]} vs. "${foo[@]}")
You didn't ask about this but it's a subtle difference that's good to know about. If the elements in your array could contain whitespace, you need to use double quotes so that each element is treated as a separate "word:"
foo=("the first...
What, why or when it is better to choose cshtml vs aspx?
I would like to know what, why or when it is better to choose cshtml and what, why or when it is better to choose aspx technologies? What are these two technologies intended for?
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How to pass parameters to anonymous class?
...nce variables from the containing class(es) or local variables that are marked final.
edit: As Peter pointed out, you can also pass parameters to the constructor of the superclass of the anonymous class.
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Multidimensional Array [][] vs [,] [duplicate]
...ray of double. With a jagged array, you can do an assignment to an array like you want in your second example:
x[0] = new double[13];
On the second item, because it is a uniform 2d array, you can't assign a 1d array to a row or column, because you must index both the row and column, which gets yo...
Making a Simple Ajax call to controller in asp.net mvc
...ling the FirstAjax action with default HttpGet request
and renders the blank Html view . (Earlier you were not having it)
later on loading of DOM elements of that view your Ajax call get fired and displays alert.
Earlier you were only returning JSON to browser without rendering any HTML. Now it ...
Email address validation using ASP.NET MVC data type attributes
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If you are using .NET Framework 4.5, the solution is to use EmailAddressAttribute which resides inside System.ComponentModel.DataAnnotations.
Your code should look similar to this:
[Display(Name = "Email address")]
[Required(ErrorMessage = "The email ad...
How do I refresh the page in ASP.NET? (Let it reload itself by code)
...Jul 30 '09 at 13:25
Ariel PopovskyAriel Popovsky
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Algorithm to get the excel-like column name of a number
I'm working on a script that generate some Excel documents and I need to convert a number into its column name equivalent. For example:
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