大约有 48,000 项符合查询结果(耗时:0.0484秒) [XML]
Deleting queues in RabbitMQ
I have a few queues running with RabbitMQ. A few of them are of no use now, how can I delete them? Unfortunately I had not set the auto_delete option.
...
Using SQL Server 2008 and SQL Server 2005 and date time
...
I voted this down by mistake, undid that, but now can't do what I really wanted to do which is vote it up! Thank you for finding the issue. If I understand correctly, does the value change from 2005 to 2008 due to updating the model from the database, where the database ...
Favorite Django Tips & Features?
...s of ...', I am curious to hear about your favorite Django tips or lesser known but useful features you know of.
55 Answers...
Starting iPhone app development in Linux? [closed]
... Yep - no problems. You're using XCode, the signing works fine, I've now got a production app on the store, submitted from the VM. I won't name it for obvious reasons.
– Chaos
Mar 3 '10 at 2:53
...
What is “the inverse side of the association” in a bidirectional JPA OneToMany/ManyToOne association
...nship will not be bidirectional (the inverse aka "many" side will have no knowledge of its "owner"). This can be desirable for encapsulation/loose coupling:
// "One" Customer owns the associated orders by storing them in a customer_orders join table
public class Customer {
@OneToMany(cascade = ...
TypeError: unhashable type: 'dict'
...ntation of it like this:
>>> key = frozenset(dict_key.items())
Now you may use key as a key in a dict or set:
>>> some_dict[key] = True
>>> some_dict
{frozenset([('a', 'b')]): True}
Of course you need to repeat the exercise whenever you want to look up something usin...
When should I use Struct vs. OpenStruct?
...
@tokland good. I just wanted to clarify that now there is a nicer approach, seeing as your comment is highly up voted, so, people new to ruby can actually think "OK, so that's how it should be done, 'cause everyone agree with that, right?" :)
– Iva...
Color different parts of a RichTextBox string
...ew Font("Courier New", 10)
};
box.AppendText("[" + DateTime.Now.ToShortTimeString() + "]", Color.Red);
box.AppendText(" ");
box.AppendText(userid, Color.Green);
box.AppendText(": ");
box.AppendText(message, Color.Blue);
box.AppendText(Environment.NewLine);
new Form {Controls = {box}}...
How to get all subsets of a set? (powerset)
... to for i in range(1, 1 << x).
Returning to this years later, I'd now write it like this:
def powerset(s):
x = len(s)
masks = [1 << i for i in range(x)]
for i in range(1 << x):
yield [ss for mask, ss in zip(masks, s) if i & mask]
And then the test code...
iPhone system font
... the situation. Personally, I wish I had hardcoded Helvetica... doing that now.
– Dan Rosenstark
Aug 22 '13 at 0:06
To...
