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string c_str() vs. data()

... The documentation is correct. Use c_str() if you want a null terminated string. If the implementers happend to implement data() in terms of c_str() you don't have to worry, still use data() if you don't need the string to be null terminated, in some implementation it may turn out to perform bett...
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Print all but the first three columns

...me solutions: (these solutions even preserve trailing spaces from original string) $ echo -e ' 1 2\t \t3 4 5 6 7 \t 8\t ' | awk -v n=3 '{ for ( i=1; i<=n; i++) { sub("^["FS"]*[^"FS"]+["FS"]+","",$0);} } 1 ' | sed 's/ /./g;s/\t/->/g;s/^/"/;s/$/"/' "4...5...6.7.->.8->." $ e...
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Ways to save enums in database

...port way too difficult. We store the actual enumeration value converted to string: public enum Suit { Spade, Heart, Diamond, Club } Suit theSuit = Suit.Heart; szQuery = "INSERT INTO Customers (Name, Suit) " + "VALUES ('Ian Boyd', %s)".format(theSuit.name()); and then read back with: ...
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Convert UTF-8 encoded NSData to NSString

... 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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Replace duplicate spaces with a single space in T-SQL

... Even tidier: select string = replace(replace(replace(' select single spaces',' ','<>'),'><',''),'<>',' ') Output: select single spaces s...
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How to define an enum with string value?

...s have to be integral values. You can either use attributes to associate a string value with each enum value, or in this case if every separator is a single character you could just use the char value: enum Separator { Comma = ',', Tab = '\t', Space = ' ' } (EDIT: Just to clarify, you...
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Split string with delimiters in C

How do I write a function to split and return an array for a string with delimiters in the C programming language? 20 Answe...
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SQL SELECT speed int vs varchar

...2147483648 to +2147483647 ) character types occupy 4 bytes plus the actual strings. share | improve this answer | follow | ...
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Generating all permutations of a given string

What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example? ...
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How to split strings across multiple lines in CMake?

... But with CMake I get the problem that I do not know how to split a simple string into multiple lines to avoid one huge line. Consider this basic code: ...