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Bash Script: count unique lines in file
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You can use the uniq command to get counts of sorted repeated lines:
sort ips.txt | uniq -c
To get the most frequent results at top (thanks to Peter Jaric):
sort ips.txt | uniq -c | sort -bgr
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const vs constexpr on variables
... PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be initialized at compile time. PI1 may be initialized at compile time or run time. Furthermore, only PI2 can be used in a context that requires a compile-time constant. For example:
const...
What is the difference between Collections.emptyList() and Collections.EMPTY_LIST
.../returning the untyped version (EMPTY_LIST/EMPTY_SET/EMPTY_MAP) causes the compiler to give up on generics type checking within the given call chain. It essentially figures that it has wandered into old code lacking generic types and gives up.
– Matt Passell
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What is the use of the pipe symbol in YAML?
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How to deal with “data of class uneval” error from ggplot2?
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Groovy / grails how to determine a data type?
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Printing newlines with print() in R
...n" to the string passed to cat() to get a newline after your message. E.g. compare the above to the same cat() output:
> cat("File not supplied.\nUsage: ./program F=filename")
File not supplied.
Usage: ./program F=filename>
and
> cat("File not supplied.\nUsage: ./program F=filename","\n...
Visual studio long compilation when replacing int with double
My copy of VS2013 Ultimate compiles this code for 60+ seconds:
2 Answers
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How do I print a list of “Build Settings” in Xcode project?
...g a little out dated (it was generated with Xcode 4.1). You should run the command suggested by dunedin15.
dunedin15's answer can give inaccurate results for some edge-cases, such as when debugging build settings of a static lib for an Archive build, see Slipp D. Thompson's answer for a more robust ...