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What version of javac built my jar?
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        edited Apr 21 '12 at 12:37
    
    
        
    
    
        Soundlink
        
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							Accessing the index in 'for' loops?
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        edited Sep 17 '16 at 10:13
    
    
        
    
    
        Peter Mortensen
        
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							Boolean Field in Oracle
					...nd other programming environments,
  it's better to select 0 for false and 1 for true so it can work
  correctly with the getBoolean and setBoolean functions.
Basically they advocate method number 2, for efficiency's sake, using 
values of 0/1 (because of interoperability with JDBC's getBoolean(...				
				
				
							Repeat each row of data.frame the number of times specified in a column
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Here's one solution:
df.expanded <- df[rep(row.names(df), df$freq), 1:2]
Result:
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							Bash tool to get nth line from a file
					Is there a "canonical" way of doing that? I've been using  head -n | tail -1  which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
                    
                    
                        
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							rreplace - How to replace the last occurrence of an expression in a string?
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>>> def rreplace(s, old, new, occurrence):
...  li = s.rsplit(old, occurrence)
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							How to pass optional arguments to a method in C++?
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Here is an example of passing mode as optional parameter 
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							Forced naming of parameters in Python
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							What's the difference between HEAD^ and HEAD~ in Git?
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