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Are static methods inherited in Java?
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All methods that are accessible are inherited by subclasses.
From the Sun Java Tutorials:
A subclass inherits all of the public and protected members of its parent, no matter what package the subclass is in. If the subc...
Why does Python use 'magic methods'?
...lable, an object implements a method, def __len__(self) , and then it is called when you write len(obj) .
7 Answers
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Set select option 'selected', by value
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I had to manually call .val(x).change(); to trigger the select's onChange event, it seems setting val() doesn't fire it.
– scipilot
Jul 19 '15 at 5:48
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How do you reinstall an app's dependencies using npm?
Is there a simple way to reinstall all packages that my app depends on (i.e. they are in my apps node_modules folder)?
9 ...
Class with Object as a parameter
... Table to be a new-style class (as opposed to "classic" class).
In Python3 all classes are new-style classes, so this is no longer necessary.
New style classes have a few special attributes that classic classes lack.
class Classic: pass
class NewStyle(object): pass
print(dir(Classic))
# ['__doc__...
How to empty a list in C#?
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It's really easy:
myList.Clear();
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SQL UPDATE all values in a field with appended string CONCAT not working
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That's pretty much all you need:
mysql> select * from t;
+------+-------+
| id | data |
+------+-------+
| 1 | max |
| 2 | linda |
| 3 | sam |
| 4 | henry |
+------+-------+
4 rows in set (0.02 sec)
mysql> update t se...
How to remove RVM (Ruby Version Manager) from my system
... that will pull it:
rvm implode
This will remove the rvm/ directory and all the rubies built within it. In order to remove the final trace of rvm, you need to remove the rvm gem, too:
gem uninstall rvm
If you've made modifications to your PATH you might want to pull those, too. Check your .bas...
PHP script to loop through all of the files in a directory?
I'm looking for a PHP script that loops through all of the files in a directory so I can do things with the filename, such as format, print or add it to a link. I'd like to be able to sort the files by name, type or by date created/added/modified. (Think fancy directory "index".) I'd also like to be...
Is there a function to deselect all text using JavaScript?
Is there a function in javascript to just deselect all selected text? I figure it's got to be a simple global function like document.body.deselectAll(); or something.
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