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Version number comparison in Python
...ite a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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PostgreSQL: Can you create an index in the CREATE TABLE definition?
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120
There doesn't seem to be any way of specifying an index in the CREATE TABLE syntax. PostgreSQL...
Is “inline” without “static” or “extern” ever useful in C99?
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Jonathan Leffler
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answered Jun 10 '11 at 22:48
NemoNemo
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Select distinct values from a table field
...'Shop'
class Shop(models.Model):
street = models.CharField(max_length=150)
city = models.CharField(max_length=150)
# some of your models may have explicit ordering
class Meta:
ordering = ('city')
Since you may have the Meta class ordering attribute set, you can use order_...
Why use argparse rather than optparse?
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edited Sep 10 '17 at 14:34
Cœur
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How do CDI and EJB compare? interact?
...s MVC framework (just example), and you are limited here, even using EJB 3.1 - you can't use @EJB annotation in Struts action, it is not managed by container. But when you add Struts2-CDI plugin, you can write there @Inject annotation for the same thing (so no more JNDI lookup needed). This way it e...
C# - Selectively suppress custom Obsolete warnings
... }
static void Main(string[] args)
{
#pragma warning disable 0618
// This one is okay
Foo("Good");
#pragma warning restore 0618
// This call is bad
Foo("Bad");
}
}
Restore the warning afterwards so that you won't miss "bad" calls.
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Why is JsonRequestBehavior needed?
...chive/2009/06/24/json-hijacking.aspx/ or this SO post.
Haack, Phil (2011). Professional ASP.NET MVC 3 (Wrox Programmer to
Programmer) (Kindle Locations 6014-6020). Wrox. Kindle Edition.
Related StackOverflow question
With most recents browsers (starting with Firefox 21, Chrome 27, or I...
How can I add “href” attribute to a link dynamically using JavaScript?
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163
var a = document.getElementById('yourlinkId'); //or grab it by tagname etc
a.href = "somelink ...
How to declare std::unique_ptr and what is the use of it?
...for creating a unique pointer is better, when possible. Notice, that in C++14 we will be able to do:
unique_ptr<int> p = make_unique<int>(42);
Which is both clearer and safer. Now concerning this doubt of yours:
What is also not clear to me, is how pointers, declared in this way w...