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- c - What does the %*s format specifier mean? - Stack Overflow
@powersource97, % *s means you are reading the precision value from an argument, and precision is the maximum number of characters to be printed, and %*s you are reading the width value from an argument, which is the minimum number os characters to be printed –
- What does regular expression \\s*,\\s* do? - Stack Overflow
That is: \s matches a space( ) or a tab(\t) or a line(\n) break or a vertical tab(\x0B sometimes referred as \v) or a form feed(\f) or a carriage return(\r) \\s*,\\s* It says zero or more occurrence of whitespace characters, followed by a comma and then followed by zero or more occurrence of whitespace characters
- Regex expressions in Java, \\s vs. \\s+ - Stack Overflow
@user3705478 Both will produce the same results, even if there would be multiple spaces after each other The difference lies in the way it get's handled If you would have a group of (for example) 3 spaces directly following each other \\s+ takes that group and turns the whole it into a "", while \\s would proces every space on its own –
- Reddit - Dive into anything
Reddit is a network of communities where people can dive into their interests, hobbies and passions There's a community for whatever you're interested in on Reddit
- windows - What is `cmd s` for? - Stack Overflow
The Windows command prompt (cmd exe) has an optional s parameter, which modifies the behavior of c (run a particular command and then exit) or k (run a particular command and then show a shell prompt) This s parameter evidently has something to do with some arcane quote handling
- How to correctly printf strings and characters with %s and %c
Welcome to StackOverflow! This question is several years old and has a lot of well-explained, detailed answers
- 有问题，就会有答案 - 知乎
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