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How can I remove the string “\n” from within a Ruby string?
I have this string:
6 Answers
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
I have a Spring MVC web app which uses Spring Security. I want to know the username of the currently logged in user. I'm using the code snippet given below . Is this the accepted way?
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Sort array of objects by string property value
... b.last_nom ){
return 1;
}
return 0;
}
objs.sort( compare );
Or inline (c/o Marco Demaio):
objs.sort((a,b) => (a.last_nom > b.last_nom) ? 1 : ((b.last_nom > a.last_nom) ? -1 : 0));
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How do I get the picture size with PIL?
...ort Image
im = Image.open('whatever.png')
width, height = im.size
According to the documentation.
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String Concatenation using '+' operator
Looking at the string class metadata, I only see the operators == and != overloaded. So how is it able to perform concatenation for the ' + ' operator?
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Int to Char in C#
What is the best way to convert an Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values?
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Best way to create an empty map in Java
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1) If the Map can be immutable:
Collections.emptyMap()
// or, in some cases:
Collections.<String, String>emptyMap()
You'll have to use the latter sometimes when the compiler cannot automatically figure out what kind of Map is needed (this is called type inference). For example, ...
VB.NET equivalent of C# property shorthand?
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There is no shorthand for Visual Studio 2008 or prior for VB.NET.
In Visual Studio 2010 and beyond, you can use the following shorthand:
public property FirstName as String
This will be handled as your short version in C# is - I think they call it "Auto Property"
See also: Auto-Implemen...
#1071 - Specified key was too long; max key length is 1000 bytes
...e read thoroughly all the other questions/answers on this error before posting.
7 Answers
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How to convert index of a pandas dataframe into a column?
...his seems rather obvious, but I can't seem to figure out how to convert an index of data frame to a column?
7 Answers
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