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Copy a stream to avoid “stream has already been operated upon or closed”
I'd like to duplicate a Java 8 stream so that I can deal with it twice. I can collect as a list and get new streams from that;
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The difference between bracket [ ] and double bracket [[ ]] for accessing the elements of a list or
R provides two different methods for accessing the elements of a list or data.frame: [] and [[]] .
12 Answers
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Capturing multiple line output into a Bash variable
I've got a script 'myscript' that outputs the following:
6 Answers
6
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Is Tomcat running?
Interested to know how people usually check to see if Tomcat is running on a Unix environment.
17 Answers
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Visual Studio can't build due to rc.exe
I've searched online and couldn't find anything that resembled to my issue.
26 Answers
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How to convert PascalCase to pascal_case?
If I had:
31 Answers
31
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Convert UTF-8 encoded NSData to NSString
I have UTF-8 encoded NSData from windows server and I want to convert it to NSString for iPhone. Since data contains characters (like a degree symbol) which have different values on both platforms, how do I convert data to string?
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python pandas dataframe to dictionary
I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance.
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Coalesce function for PHP?
Many programming languages have a coalesce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not.
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