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How can I reverse a NSArray in Objective-C?
...j = [self count] - 1;
while (i < j) {
[self exchangeObjectAtIndex:i
withObjectAtIndex:j];
i++;
j--;
}
}
@end
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Why does “,,,” == Array(4) in Javascript?
...the length of the array to that number. So you can say you have four empty indexes (same as [,,,]) and the default string representation of arrays is a comma-separated list of its elements:
> ['a','b','c'].toString()
"a,b,c"
How the comparison works is described in section 11.9.3 of the sp...
JComboBox Selection Change Listener?
...
You may try these
int selectedIndex = myComboBox.getSelectedIndex();
-or-
Object selectedObject = myComboBox.getSelectedItem();
-or-
String selectedValue = myComboBox.getSelectedValue().toString();
...
How do you increase the max number of concurrent connections in Apache?
...eb.archive.org/web/20160415001028/http://www.genericarticles.com/mediawiki/index.php?title=How_to_optimize_apache_web_server_for_maximum_concurrent_connections_or_increase_max_clients_in_apache
ServerLimit 16
StartServers 2
MaxClients 200
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
F...
sys.argv[1] meaning in script
...you can use this list of strings as input to your program. Since lists are indexed by zero-based integers, you can get the individual items using the list[0] syntax. For example, to get the script name:
script_name = sys.argv[0] # this will always work.
Although interesting, you rarely need to kn...
How to do paging in AngularJS?
... You can start looking at the <div class="pagination"> of index.html github.com/angular/builtwith.angularjs.org/blob/master/…
– Jorge Nunez Newton
Apr 17 '13 at 15:00
...
How can I programmatically get the MAC address of an iphone
...ured interfaces
// With all configured interfaces requested, get handle index
if ((mgmtInfoBase[5] = if_nametoindex("en0")) == 0)
errorFlag = @"if_nametoindex failure";
else
{
// Get the size of the data available (store in len)
if (sysctl(mgmtInfoBase, 6, NULL, &length, NU...
What does %~dp0 mean, and how does it work?
...
@BenHooper, I is a placeholder for the variable index. 0 = the calling file, 1 = argument #1, 2 = argument #2, etc...
– Chris
Jun 21 '12 at 16:43
...
Execute a terminal command from a Cocoa app
...ardInput:[NSPipe pipe]];
An explanation is here: http://www.cocoadev.com/index.pl?NSTask
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Serializing object that contains cyclic object value
...{
if (val != null && typeof val == "object") {
if (seen.indexOf(val) >= 0) {
return;
}
seen.push(val);
}
return val;
});
http://jsfiddle.net/mH6cJ/38/
As correctly pointed out in other comments, this code removes every "seen" object, not o...