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What is the Swift equivalent of isEqualToString in Objective-C?
... operator because String in swift is of type struct not class. If you type cast your text/string as NSString you can compare using === operator.
– sanjana
Jun 14 '15 at 1:05
3
...
How to get an object's properties in JavaScript / jQuery?
...es are actually also objects with a limited selection of methods. They are cast into objects under the hood, when required. To know the base class name, you may invoke the Object.prototype.toString method on an object, like this:
alert(Object.prototype.toString.call([]));
The above will output [o...
super() raises “TypeError: must be type, not classobj” for new-style class
...e = OldStyle()
>>> issubclass(instance.__class__, object)
False
and not (as in the question):
>>> isinstance(instance, object)
True
For classes, the correct "is this a new-style class" test is:
>>> issubclass(OldStyle, object) # OldStyle is not a new-style class
Fal...
Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...QL = (
SELECT TOP 1
N'kill ' + CAST(session_id AS NVARCHAR(5)) + ';'
FROM
sys.dm_exec_sessions
WHERE
database_id = @DatabaseID
);
EXEC sys.sp...
Writing a list to a file with Python
...use pickle or json so that you don't have to worry about the serialization and deserialization?
– Jason Baker
May 22 '09 at 18:37
90
...
Java generics - why is “extends T” allowed but not “implements T”?
...and desirably at run time ) anything assigned to the generic can safely be cast to any of the specified interfaces. This is not the case the way java is implemented now. But it would be nice :)
– peterk
May 7 '16 at 3:13
...
How to convert Nonetype to int or string?
...
we can use (value or 0) -- without the int type casting -- if we assured that value can only be a None or an int
– hashlash
Jun 14 '19 at 20:16
...
Select TreeView Node on right click before displaying ContextMenu
...implest solution when it works. It worked for me. In fact, you should just cast sender as a TreeViewItem because if it's not, that's a bug.
– craftworkgames
Nov 8 '14 at 12:04
...
How big can a MySQL database get before performance starts to degrade
...you are going to run in to is not size, but the number of queries you can handle at a time. Most likely you are going to have to move to a master/slave configuration so that the read queries can run against the slaves and the write queries run against the master. However if you are not ready for t...
Error: The 'brew link' step did not complete successfully
...ed to me when I missed the homebrew package's message about removing the standalone version first.
Assuming, like me, you've already broken node/npm by attempting the upgrade before knowing to npm uninstall npm -g first, you can rm -rf /usr/local/lib/node_modules/npm and then brew link node. This ...