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get all keys set in memcached
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If you have PHP & PHP-memcached installed, you can run
$ php -r '$c = new Memcached(); $c->addServer("localhost", 11211); var_dump( $c->getAllKeys() );'
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Pad a number with leading zeros in JavaScript [duplicate]
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@Pointy allocating space is implementation detail that is invisible to the programmer (no implementations that are open and I'm aware of do that (Rhino, V8, SM, JSC) any implementation that allocates memory and exposes the properties...
How to display a confirmation dialog when clicking an link?
...e the confirm() function in an inline onclick handler.
<a href="delete.php?id=22" onclick="return confirm('Are you sure?')">Link</a>
Advanced event handling
But normally you would like to separate your HTML and Javascript, so I suggest you don't use inline event handlers, but put a c...
Is passing 'this' in a method call accepted practice in java
...uctor "initializer". Within Java constructor, the object has actually been allocated memory, this the object actually has already existed/constructed within the constructor.
– Lie Ryan
Jul 3 '13 at 21:15
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Changing Font Size For UITableView Section Headers
...wForHeaderInSection:(NSInteger)section {
UILabel *myLabel = [[UILabel alloc] init];
myLabel.frame = CGRectMake(20, 8, 320, 20);
myLabel.font = [UIFont boldSystemFontOfSize:18];
myLabel.text = [self tableView:tableView titleForHeaderInSection:section];
UIView *headerView = [[UIV...
The model used to open the store is incompatible with the one used to create the store
..."MyApp.sqlite"];
NSMutableDictionary *options = [[NSMutableDictionary alloc] init];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSMigratePersistentStoresAutomaticallyOption];
[options setObject:[NSNumber numberWithBool:YES] forKey:NSInferMappingModelAutomaticallyOption];
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Garbage collector in Android
...used by performing gc, it is not recommended to do this before each bitmap allocation.
Optimum design is:
Free all bitmaps that are no longer needed, by the if / recycle / nullcode shown. (Make a method to help with that.)
System.gc();
Allocate the new bitmaps.
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Number of days between two NSDates [duplicate]
...ger unitFlags = NSDayCalendarUnit;
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents *components = [calendar components:unitFlags fromDate:dt1 toDate:dt2 options:0];
return [components day]+1;
}
E.g. if you want months as well...
How can I implode an array while skipping empty array items?
Perl's join() ignores (skips) empty array values; PHP's implode() does not appear to.
9 Answers
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How do you convert a byte array to a hexadecimal string, and vice versa?
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You're using SubString. Doesn't this loop allocate a horrible amount of string objects?
– Wim Coenen
Mar 6 '09 at 16:36
30
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