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Fastest way to find second (third…) highest/lowest value in vector or column
R offers max and min, but I do not see a really fast way to find another value in the order, apart from sorting the whole vector and then picking a value x from this vector.
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How to “grep” for a filename instead of the contents of a file?
grep is used to search within a file to see if any line matches a given regular expression. However, I have this situation - I want to write a regular expression that will match the filename itself (and not the contents of the file). I will run this from the system's root directory, to find all thos...
How do I purge a linux mail box with huge number of emails? [closed]
... file to delete all emails for a specific user. Also, emails that are outgoing but have not yet been sent will be stored in /var/spool/mqueue.
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Naming conventions for java methods that return boolean(No question mark)
I like using question mark at the end of method/function names in other languages. Java doesn't let me do this. As a workaround how else can I name boolean returning methods in Java? Using an is , has , should , can in the front of a method sound okay for some cases. Is there a better way to na...
Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
I am being asked to generate some Excel reports. I am currently using pandas quite heavily for my data, so naturally I would like to use the pandas.ExcelWriter method to generate these reports. However the fixed column widths are a problem.
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How to get a float result by dividing two integer values using T-SQL?
Using T-SQL and Microsoft SQL Server I would like to specify the number of decimal digits when I do a division between 2 integer numbers like:
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Undo closed tab in Eclipse?
I was wondering if it were possible in Eclipse PDT to reopen a closed tab by mistake.
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How to set xlim and ylim for a subplot in matplotlib [duplicate]
I would like to limit the X and Y axis in matplotlib but for a speific subplot. As I can see
subplot figure itself doesn't have any axis property. I want for example to change only the limits for the second plot!
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How to change proxy settings in Android (especially in Chrome) [closed]
Could you please help me: is it possible to set proxy settings in Android (especially in Chrome)? I have to change IP on Android during the testing. Or there is some soft which can help me to solve this issue...
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warning: incompatible implicit declaration of built-in function ‘xyz’
I'm getting a number of these warnings when compiling a few binaries:
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