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Is it better in C++ to pass by value or pass by constant reference?

...or large objects that implement proper move constructors (such as vectors, strings …), the second case is then vastly more efficient than the first. Therefore, it is recommended to use pass by value if the function takes ownership of the argument, and if the object type supports efficient moving. ...
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How to convert ASCII code (0-255) to its corresponding character?

... Character.toString ((char) i); share | improve this answer | follow | ...
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Count the number occurrences of a character in a string

...'s the simplest way to count the number of occurrences of a character in a string? 19 Answers ...
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Difference between String replace() and replaceAll()

What's the difference between java.lang.String 's replace() and replaceAll() methods, other than later uses regex? For simple substitutions like, replace . with / , is there any difference? ...
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PreparedStatement IN clause alternatives?

...ng multiple comma-delimited parameters. * * @param sql The SQL statement string with one IN clause. * @param params The number of parameters the SQL statement requires. * @return The SQL statement with (?) replaced with multiple parameter * placeholders. */ public static String any(String sql,...
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Where is the itoa function in Linux?

itoa() is a really handy function to convert a number to a string. Linux does not seem to have itoa() , is there an equivalent function or do I have to use sprintf(str, "%d", num) ? ...
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How to know the size of the string in bytes?

I'm wondering if I can know how long in bytes for a string in C#, anyone know? 3 Answers ...
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Easiest way to split a string on newlines in .NET?

I need to split a string into newlines in .NET and the only way I know of to split strings is with the Split method. However that will not allow me to (easily) split on a newline, so what is the best way to do it? ...
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In C, how should I read a text file and print all strings

...lib.h> char* ReadFile(char *filename) { char *buffer = NULL; int string_size, read_size; FILE *handler = fopen(filename, "r"); if (handler) { // Seek the last byte of the file fseek(handler, 0, SEEK_END); // Offset from the first to the last byte, or in other...
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Add spaces before Capital Letters

Given the string "ThisStringHasNoSpacesButItDoesHaveCapitals" what is the best way to add spaces before the capital letters. So the end string would be "This String Has No Spaces But It Does Have Capitals" ...