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Should I impose a maximum length on passwords?
...elves), but my bank has a requirement that passwords are between 6 and 8 characters long, and I started wondering...
20 A...
Best way to parseDouble with comma as decimal separator?
... The problem with NumberFormat is that it will silently ignore invalid characters. So if you try to parse "1,23abc" it will happily return 1.23 without indicating to you that the passed-in String contained non-parsable characters. In some situations that might actually be desirable, but I don't ...
How do I check that a Java String is not all whitespaces?
I want to check that Java String or character array is not just made up of whitespaces, using Java?
15 Answers
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Forward an invocation of a variadic function in C
...t. See http://c-faq.com/varargs/handoff.html.
Example:
void myfun(const char *fmt, va_list argp) {
vfprintf(stderr, fmt, argp);
}
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In Vim, I'd like to go back a word. The opposite of `w`
...nd B to advance/go back a WORD (which
consists of a sequence of non-blank characters separated with white space, according to :h WORD).
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what is the unsigned datatype?
...
@Charles Bailey: these days - at least if you are being pragmatic rather than formal - long, int, short and char are considered to be different data types as they can be different sizes) with unsigned (and the default, signed)...
Count characters in textarea
I want to count characters in a textarea, so I just made:
21 Answers
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How many characters can a Java String have?
...ss uses for internal storage)
OR
Half your maximum heap size (since each character is two bytes) whichever is smaller.
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\d is less efficient than [0-9]
...id it was probably more efficient to use a range or digit specifier than a character set.
5 Answers
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Algorithm to return all combinations of k elements from n
... takes an array of letters as an argument and a number of those letters to select.
71 Answers
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