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What is a regular expression for a MAC Address?
... as 0102-0304-abcd
^([[:xdigit:]]{2}[:.-]?){5}[[:xdigit:]]{2}$
Example strings which it matches:
01:02:03:04:ab:cd
01-02-03-04-ab-cd
01.02.03.04.ab.cd
0102-0304-abcd
01020304abcd
Mixed format will be matched also!
sha...
How to Use slideDown (or show) function on a table row?
...ed = sR.defaults.slideSpeed;
}
if(typeof arg2 == 'string'){
sR.thisCallArgs.easing = arg2;
}else if(typeof arg2 == 'function'){
sR.thisCallArgs.callback = arg2;
}else if(typeof arg2 == 'undefined') {
sR....
Why is  appearing in my HTML? [duplicate]
...r, $win32);
}
}
}
// Searching for BOM in files
function SearchBOM($string) {
if(substr($string,0,3) == pack("CCC",0xef,0xbb,0xbf)) return true;
return false;
}
?>
</body>
</html>
copy this code to php file upload to root and run it.
for more about this: http://for...
Differences between lodash and underscore [closed]
...to provide more consistent cross-environment iteration support for arrays, strings, objects, and arguments objects1. It has since become a superset of Underscore, providing more consistent API behavior, more features (like AMD support, deep clone, and deep merge), more thorough documentation and uni...
LISTAGG in Oracle to return distinct values
...:I tried the code- and got the error message as below ORA-01489: result of string concatenation is too long 01489. 00000 - "result of string concatenation is too long" *Cause: String concatenation result is more than the maximum size.
– Priyanth
Jul 17 '12 ...
.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?
...llection to an array: either using
a pre-sized array (like c.toArray(new String[c.size()])) or
using an empty array (like c.toArray(new String[0]). In
older Java versions using pre-sized array was recommended, as the
reflection call which is necessary to create an array of proper size
...
Why was the switch statement designed to need a break?
...her languages supported more sophisticated cases (ranges, multiple values, strings...) at the cost, perhaps, of efficiency.
– PhiLho
Oct 31 '08 at 6:29
...
Resize fields in Django Admin
... some cases, is a real waste of space, when, i.e., editing a date field, 8 characters wide, or a CharField, also 6 or 8 chars wide, and then the edit box goes up to 15 or 20 chars.
...
Convert javascript array to string
I'm trying to iterate over a "value" list and convert it into a string. Here is the code:
14 Answers
...
Python: Tuples/dictionaries as keys, select, sort
... would be sqlite. You can keep the whole thing in memory by passing in the string ':memory:' instead of a filename.
If you do want to continue down this path, you can do it with the extra attributes in the key or the value. However a dictionary can't be the key to a another dictionary, but a tuple ...