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Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
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Format a date using the new date time API
I was playing with the new date time API but when running this:
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Controlling the screenshot in the iOS 7 multitasking switcher
I've been trying to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation.
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
While I am running the simple code as below I have two errors as following:
13 Answers
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How to get UILabel to respond to tap?
I have discovered that I can create UILabel much faster than UITextField and I plan to use UILabel most of the time for my data display app.
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
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Proper use of beginBackgroundTaskWithExpirationHandler
I'm a bit confused about how and when to use beginBackgroundTaskWithExpirationHandler .
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Variable number of arguments in C++?
How can I write a function that accepts a variable number of arguments? Is this possible, how?
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How to Concatenate Numbers and Strings to Format Numbers in T-SQL?
I have the following function
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What is a “static” function in C?
The question was about plain c functions, not c++ static methods, as clarified in comments.
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