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Check if a String contains numbers Java

... To explain: .* means any character from 0 to infinite occurence, than the \\d+ (double backslash I think is just to escape the second backslash) and \d+ means a digit from 1 time to infinite. – Giudark Sep 29 '1...
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What is your most productive shortcut with Vim?

...e used as subjects for other "statements." So, one way to cut an arbitrary selection of text would be to drop a mark (I usually use 'a' as my "first" mark, 'z' as my next mark, 'b' as another, and 'e' as yet another (I don't recall ever having interactively used more than four marks in 15 years of u...
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Regex doesn't work in String.matches()

...wercase letters, you can use .matches(), but you need to match one or more characters: append a + to your character class, as in [a-z]+. Or use ^[a-z]+$ and .find(). share | improve this answer ...
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What happens if you static_cast invalid value to enum class?

... implementers to apply to to their C++11 and C++14 compilation modes. (*) char is required to be at least 8 bit wide, but isn't required to be unsigned. The maximum value storable is required to be at least 127 per Annex E of the C99 Standard. Compare to [expr]/4 If during the evaluation of ...
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Get the current time in C

... by now, but you would use the strptime function in time.h to convert from char * to struct tm – KingRadical Nov 5 '13 at 19:59 ...
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Generate a Hash from string in Javascript

...= 0, i, chr; for (i = 0; i < this.length; i++) { chr = this.charCodeAt(i); hash = ((hash << 5) - hash) + chr; hash |= 0; // Convert to 32bit integer } return hash; } }); Source: http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-h...
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Use String.split() with multiple delimiters

... answered May 13 '11 at 14:59 Richard HRichard H 32.9k3333 gold badges101101 silver badges130130 bronze badges ...
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What are allowed characters in cookies?

What are the allowed characters in both cookie name and value? Are they same as URL or some common subset? 13 Answers ...
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Generic type parameter naming convention for Java (with multiple chars)?

...rfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. 5 Answ...
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Does making a struct volatile make all its members volatile?

...by the pointer as const or volatile, use a declaration of the form: const char *cpch; volatile char *vpch; To declare the value of the pointer — that is, the actual address stored in the pointer — as const or volatile, use a declaration of the form: char * const pchc; char * volatile pchv; ...