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How to use a variable to specify column name in ggplot
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You can use aes_string:
f <- function( column ) {
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ggplot( rates.by.groups, aes_string(x="name", y="rate", colour= column,
group=column ) )
}
as long as you pass the column to the func...
Evaluating string “3*(4+2)” yield int 18 [duplicate]
...n the .NET framework that can evaluate a numeric expression contained in a string and return the result? F.e.:
14 Answers
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Javascript fuzzy search that makes sense
...mong other things, found this:
http://www.joyofdata.de/blog/comparison-of-string-distance-algorithms/
This mentions a number of "string distance" measures. Three which looked particularly relevant to your requirement, would be:
Longest Common Substring distance: Minimum number of symbols that ha...
Find string between two substrings [duplicate]
How do I find a string between two substrings ( '123STRINGabc' -> 'STRING' )?
20 Answers
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Empty arrays seem to equal true and false at the same time
...are values of this object and the primitive false value. Internally, arr.toString() is called, which returns an empty string "".
This is because toString called on Array returns Array.join(), and empty string is one of falsy values in JavaScript.
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Remove last character from string. Swift language
How can I remove last character from String variable using Swift? Can't find it in documentation.
22 Answers
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How do you do Impersonation in .NET?
... = true, CharSet = CharSet.Unicode)]
internal static extern bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, out IntPtr phToken);
This is the basic call definition, however there is a lot more to consider to actually using it in prod...
Convert a JSON string to object in Java ME?
Is there a way in Java/J2ME to convert a string, such as:
14 Answers
14
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Getting the folder name from a path
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I would probably use something like:
string path = "C:/folder1/folder2/file.txt";
string lastFolderName = Path.GetFileName( Path.GetDirectoryName( path ) );
The inner call to GetDirectoryName will return the full path, while the outer call to GetFileName() wil...
How do I URL encode a string
I have a URL string ( NSString ) with spaces and & characters. How do I url encode the entire string (including the & ampersand character and spaces)?
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