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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
...), so the question no longer applies. The following answer applied to beta 2:
It's for performance reasons. Basically, they try to avoid copying arrays as long as they can (and claim "C-like performance"). To quote the language book:
For arrays, copying only takes place when you perform an ac...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
I am actually trying to make a script (in Sql Server 2008) to restore one database from one backup file. I made the following code and I am getting an error -
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How to clear a chart from a canvas so that hover events cannot be triggered?
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20 Answers
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How do I check the difference, in seconds, between two dates?
...ates, use total_seconds like this:
import datetime as dt
a = dt.datetime(2013,12,30,23,59,59)
b = dt.datetime(2013,12,31,23,59,59)
(b-a).total_seconds()
86400.0
#note that seconds doesn't give you what you want:
(b-a).seconds
0
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What is the difference between the different methods of putting JavaScript code in an ?
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edited Aug 31 at 4:29
fcdt
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answered Oct 29 '...
Rename multiple files based on pattern in Unix
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22 Answers
22
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What Xcode keyboard shortcuts do you use regularly? [closed]
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254
I find the shortcuts to open & close various areas of the screen must useful.
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Naming of enums in Java: Singular or Plural?
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2 Answers
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Python function attributes - uses and abuses [closed]
...terface)
class Foo(WebService):
@webmethod
def bar(self, arg1, arg2):
...
then I can define
def webmethod(func):
func.is_webmethod = True
return func
Then, when a webservice call arrives, I look up the method, check whether the underlying function has the is_webmethod ...
CSS3 background image transition
... the CSS below on the img element:
-webkit-transition: background-image 0.2s ease-in-out;
transition: background-image 0.2s ease-in-out;
This is supported natively by Chrome, Opera and Safari. Firefox hasn't implemented it yet (bugzil.la). Not sure about IE.
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