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How to find an available port?
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If you don't mind the port used, specify a port of 0 to the ServerSocket constructor and it will listen on any free port.
ServerSocket s = new ServerSocket(0);
System.out.println("listening on port: " + s.getLocalPort());
If you want to use a specific set of ports, then th...
How to change the background color of a UIButton while it's highlighted?
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30 Answers
30
Active
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MySQL maximum memory usage
...et about those early on and then suddenly find themselves fighting with a 30 GB sized MyISAM table which locks up and blocks their entire application.
I don't mean to say MyISAM sucks, but InnoDB can be tweaked to respond almost or nearly as fast as MyISAM and offers such thing as row-locking on UP...
Python time measure function
...et = f(*args)
time2 = time.time()
print '%s function took %0.3f ms' % (f.func_name, (time2-time1)*1000.0)
return ret
return wrap
And the usage is very simple, just use the @timing decorator:
@timing
def do_work():
#code
Python 3:
def timing(f):
def wrap(*args, **k...
Do checkbox inputs only post data if they're checked?
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190
Yes, standard behaviour is the value is only sent if the checkbox is checked. This typically mea...
Giving a border to an HTML table row,
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Jukka K. KorpelaJukka K. Korpela
171k3030 gold badges223223 silver badges332332 bronze badges
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Compare JavaScript Array of Objects to Get Min / Max
...st = Number.NEGATIVE_INFINITY;
var tmp;
for (var i=myArray.length-1; i>=0; i--) {
tmp = myArray[i].Cost;
if (tmp < lowest) lowest = tmp;
if (tmp > highest) highest = tmp;
}
console.log(highest, lowest);
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How to pattern match using regular expression in Scala?
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edited Aug 10 '15 at 16:11
r0estir0bbe
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How can I reverse a NSArray in Objective-C?
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305
For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectE...
What is the difference between the remap, noremap, nnoremap and vnoremap mapping commands in Vim?
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answered Sep 23 '10 at 7:24
DrAlDrAl
61.7k1010 gold badges9595 silver badges101101 bronze badges
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