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What does new self(); mean in PHP?
... -- i.e. here too, the class in which it is written.
With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems.
That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in those examples ...
What is the difference between setUp() and setUpClass() in Python unittest?
...
answered May 15 '14 at 6:32
Benjamin Hodgson♦Benjamin Hodgson
35.6k1313 gold badges9595 silver badges144144 bronze badges
...
Split array into chunks
... |
edited Jan 2 '19 at 16:32
answered Dec 13 '11 at 20:28
B...
GUI not working after rewriting to MVC
...Label;
import javax.swing.JPanel;
/**
* @see https://stackoverflow.com/q/3066590/230513
* 15-Mar-2011 r8 https://stackoverflow.com/questions/5274962
* 26-Mar-2013 r17 per comment
*/
public class MVCGame implements Runnable {
public static void main(String[] args) {
EventQueue.invok...
What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
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234
SET XACT_ABORT ON instructs SQL Server to rollback the entire transaction and abort the batch w...
T-SQL - function with default parameters
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you have to call it like this
SELECT dbo.CheckIfSFExists(23, default)
From Technet:
When a parameter of the function has a default value, the keyword
DEFAULT must be specified when the function is called in order to
retrieve the default value. This behaviour is different f...
A html space is showing as %2520 instead of %20
...th by converting them to the proper forward slash.
In addition, there are 3 slashes after the protocol name, since you are silently referring to the current machine instead of a remote host ( the full unabbreviated path would be file://localhost/c:/my%20path/my%file.html ), but again most clients w...
How do you track record relations in NoSQL?
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Bill KarwinBill Karwin
437k7777 gold badges585585 silver badges740740 bronze badges
...
Django select only rows with duplicate field values
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193
Try:
from django.db.models import Count
Literal.objects.values('name')
.annotate...