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How to check if all list items have the same value and return it, or return an “otherValue” if they
...val) ? val : otherValue;
Cleanest way I can think of. You can make it a one-liner by inlining val, but First() would be evaluated n times, doubling execution time.
To incorporate the "empty set" behavior specified in the comments, you simply add one more line before the two above:
if(yyy == nu...
FileSystemWatcher vs polling to watch for file changes
...chines in the field. We had problems with both local dir and file share. One of the probable causes we came up with was the copy/creation of a lot of files in a short amount of time in the directory.
– Jason Jackson
Oct 27 '08 at 17:26
...
How do I use method overloading in Python?
... method overloading not method overriding. And in Python, you do it all in one function:
class A:
def stackoverflow(self, i='some_default_value'):
print 'only method'
ob=A()
ob.stackoverflow(2)
ob.stackoverflow()
You can't have two methods with the same name in Python -- and you...
Finding the number of days between two dates
...his code might be sufficient for practical purposes but it's not exact in sone extremely rare edge cases.
– Benjamin Brizzi
Aug 1 '12 at 8:15
49
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Parse a URI String into Name-Value Collection
...
You are forgetting to decode the names and parameters, one reason why it's usually better to let libraries do common tasks.
– Juan Mendes
Nov 27 '12 at 20:52
10...
Finding the id of a parent div using Jquery
...
$(this).parent().attr("id");
2.
There must be a large number of ways! One could be to hide an element that contains the answer, e.g.
<div>
Volume = <input type="text" />
<button type="button">Check answer</button>
<span style="display: hidden">3.93e-6&...
Visual List of iOS Fonts?
...I have found the list on Apple's developer site, I am just wondering if anyone knows of a visual list where each font name is typed out in its typeface. I have seen one or two before, but the latest one I have seen was for iOS 5, and much more has been added since then.
...
Why does Double.NaN==Double.NaN return false?
...n described, NaN is unordered, so a numeric comparison operation involving one or two NaNs returns false and any != comparison involving NaN returns true, including x!=x when x is NaN.
share
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impr...
How well is Unicode supported in C++11?
...put/output library
Regular expressions library
I think all but the first one provide terrible support. I'll get back to it in more detail after a quick detour through your other questions.
Does std::string do what it should?
Yes. According to the C++ standard, this is what std::string and it...
Python + Django page redirect
...s.generic.simple import redirect_to
urlpatterns = patterns('',
(r'^one/$', redirect_to, {'url': '/another/'}),
#etc...
)
There is more in the generic views documentation.
Credit - Carles Barrobés.
Update #2: Django 1.3+
In Django 1.5 redirect_to no longer exists and has been replac...