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Hash function that produces short hashes?
...ay of encryption that can take a string of any length and produce a sub-10-character hash? I want to produce reasonably unique ID's but based on message contents, rather than randomly.
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Best way to track onchange as-you-type in input type=“text”?
...e', inputHandler); // for IE8
// Firefox/Edge18-/IE9+ don’t fire on <select><option>
// source.addEventListener('change', inputHandler);
<input id="source">
<div id="result"></div>
...
Escaping ampersand character in SQL string
...
straight from oracle sql fundamentals book
SET DEFINE OFF
select 'Coda & Sid' from dual;
SET DEFINE ON
how would one escape it without setting define.
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Get string character by index - Java
I know how to work out the index of a certain character or number in a string, but is there any predefined method I can use to give me the character at the nth position? So in the string "foo", if I asked for the character with index 0 it would return "f".
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How to convert a char array back to a string?
I have a char array:
15 Answers
15
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Conveniently Declaring Compile-Time Strings in C++
...y cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
15 Answers
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Practical usage of setjmp and longjmp in C
...(bufferB);
if (r == 0) longjmp(bufferA, 10003);
}
int main(int argc, char **argv)
{
routineA();
return 0;
}
Following figure shows the flow of execution:
Warning note
When using setjmp/longjmp be aware that they have an effect on the validity of local variables often not consider...
Maximum number of records in a MySQL database table
...g with multiple billions of entries? (which would probably just make your select statements melt down long before then)
– Kzqai
Apr 26 '10 at 19:35
2
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Length of string in bash
...NG=C LC_ALL=C
bytlen=${#myvar}
LANG=$oLang LC_ALL=$oLcAll
printf "%s is %d char len, but %d bytes len.\n" "${myvar}" $chrlen $bytlen
will render:
Généralités is 11 char len, but 14 bytes len.
you could even have a look at stored chars:
myvar='Généralités'
chrlen=${#myvar}
oLang=$LANG oLc...
What is the difference between an int and a long in C++?
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The only guarantee you have are:
sizeof(char) == 1
sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(long long)
// FROM @KTC. The C++ standard also has:
sizeof(signed char) == 1
sizeof(unsigned char) == 1
// NOTE: These size are...