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What is an efficient way to implement a singleton pattern in Java? [closed]
... explained this approach in his Effective Java Reloaded talk at Google I/O 2008: link to video. Also see slides 30-32 of his presentation (effective_java_reloaded.pdf):
The Right Way to Implement a Serializable Singleton
public enum Elvis {
INSTANCE;
private final String[] favoriteSongs...
How to filter NSFetchedResultsController (CoreData) with UISearchDisplayController/UISearchBar
...t the batch size to a suitable number.
[fetchRequest setFetchBatchSize:20];
[fetchRequest setSortDescriptors:sortDescriptors];
// Edit the section name key path and cache name if appropriate.
// nil for section name key path means "no sections".
NSFetchedResultsController *aFet...
Understanding __get__ and __set__ and Python descriptors
...> t.int_prop = 10
>>> t.int_prop
10
>>> t.int_prop = 20.0
TypeError: Expected class <class 'int'>, got <class 'float'>
Or a "lazy property":
class LazyProperty(object):
__slots__ = ('_fget', '_name')
def __init__(self, fget):
self._fget = fget
...
Converting string to title case
...
|
edited Nov 20 '17 at 15:22
Mauricio Gracia Gutierrez
7,41444 gold badges4949 silver badges7474 bronze badges
...
byte[] to hex string [duplicate]
... 32 };
string hex = BitConverter.ToString(data);
Result: 01-02-04-08-10-20
If you want it without the dashes, just remove them:
string hex = BitConverter.ToString(data).Replace("-", string.Empty);
Result: 010204081020
If you want a more compact representation, you can use Base64:
string bas...
Difference between SPI and API?
... developers ;-)
– Joachim Sauer
Jan 20 '15 at 17:25
In Java, are annotations part of an SPI? For example, if I have to...
Automatically start forever (node) on system restart
... |
edited Nov 9 '15 at 17:28
cedricbellet
14811 silver badge1212 bronze badges
answered Nov 14 '12 at 22...
How to solve Permission denied (publickey) error when using Git?
... its SSH link.
– Josh
Apr 10 '17 at 20:34
This is the real solution and it was copied+pasted to the accepted answer 4 ...
Slow Requests on Local Flask Server
...
I found these useful: Windows techunboxed.com/2012/08/how-to-disable-ipv6-in-windows-8.html Ubuntu noobslab.com/2012/05/disable-ipv6-if-your-internet-is.html
– Larry Eitel
Jan 21 '13 at 14:18
...
Broadcast receiver for checking internet connection in android app
... |
edited Apr 16 at 17:20
Nikhil Agrawal
22.9k1717 gold badges8282 silver badges116116 bronze badges
...