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How to pull a random record using Django's ORM?
... self.aggregate(count=Count('id'))['count']
random_index = randint(0, count - 1)
return self.all()[random_index]
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how to use XPath with XDocument?
...ame);
var name = document.Descendants(XName.Get("Name", @"http://demo.com/2011/demo-schema")).First().Value;
If you are sure that XPath is the only solution you need:
using System.Xml.XPath;
var document = XDocument.Load(fileName);
var namespaceManager = new XmlNamespaceManager(new NameTable());...
Apache Spark: map vs mapPartitions?
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edited Dec 20 '15 at 22:09
Alberto Bonsanto
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
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answered Feb 1 '13 at 0:43
Metro SmurfMetro Smurf
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Template default arguments
...s.
– Olaf Dietsche
Mar 12 '13 at 23:09
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@OlafDietsche but you can't have a template class and a...
How to know the size of the string in bytes?
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answered Jan 3 '12 at 4:09
diyadiya
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How to use WPF Background Worker
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answered Mar 30 '11 at 8:09
Andrew OrsichAndrew Orsich
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How can I push to my fork from a clone of the original repo?
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answered Aug 28 '14 at 10:11
jub0bsjub0bs
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Which Boost features overlap with C++11?
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Riemann zeta function
exponential integral Ei
Variant → std::variant (P0088R2)
The standard team is still working on it:
Math Common Factor → std::experimetal::gcd, lcm (Library Fundamentals TS v2)
Concept check → Concepts TS
Range → Range TS
Asio → Networking TS (sockets and timers ...
Use-case of `oneway void` in Objective-C?
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edited Oct 14 '17 at 10:22
Josh
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answered Mar 31 '11 at 4:0...