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Is returning by rvalue reference more efficient?
...O to omit doing a move or copy altogether. I recommend you to read BoostCon09 Rvalue References 101 which explains the matter, and how (N)RVO happens to interact with this.
Your case of returning an rvalue reference would be a good idea in other occasions. Imagine you have a getAB() function whic...
SQLite table constraint - unique on multiple columns
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answered Apr 23 '10 at 20:50
Ayman HouriehAyman Hourieh
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Eclipse: Java, see where class is used
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edited Jan 9 at 21:20
nickcin
6744 bronze badges
answered Oct 1 '09 at 15:54
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Should you always favor xrange() over range()?
...original)
+++ range_test.py (refactored)
@@ -1,7 +1,7 @@
for x in range(20):
- a=range(20)
+ a=list(range(20))
b=list(range(20))
c=[x for x in range(20)]
d=(x for x in range(20))
- e=xrange(20)
+ e=range(20)
As you can see, when used in a for loop or comprehension, or ...
How to switch position of two items in a Python list?
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404
i = ['title', 'email', 'password2', 'password1', 'first_name',
'last_name', 'next', 'news...
image.onload event and browser cache
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answered Sep 10 '12 at 15:41
Fabrício MattéFabrício Matté
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How to get an element by its href in jquery?
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201
Yes, you can use jQuery's attribute selector for that.
var linksToGoogle = $('a[href="http://g...
What is the function of the DBMDL File in VS database project
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answered Sep 22 '10 at 6:44
Cameron McGraneCameron McGrane
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mysql command for showing current configuration variables
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answered Sep 29 '09 at 16:53
code_burgarcode_burgar
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Rails Console: reload! not reflecting changes in model files? What could be possible reason?
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Rakib
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answered Mar 25 '11 at 4:04
Nazar HussainNazar Hu...