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How do I find the caller of a method using stacktrace or reflection?
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Just a side note, but on a 1.5 JVM Thread.currentThread().getStackTrace() seems to be a lot slower than creating a new Exception() (approximately 3 times slower). But as already noted, you shouldn't be using code like this in a perfo...
SqlAlchemy - Filtering by Relationship Attribute
...ed Dec 19 '11 at 13:37
Denis OtkidachDenis Otkidach
27k88 gold badges7070 silver badges9090 bronze badges
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In Git, how do I figure out what my current revision is?
...ag a commit with a version number and then use
$ git describe --tags
to identify the current HEAD w.r.t. any tags. If you mean you want to know the hash of the current HEAD, you probably want:
$ git rev-parse HEAD
or for the short revision hash:
$ git rev-parse --short HEAD
It is often suf...
Differences in auto-unboxing between Java 6 vs Java 7
...to the language, not the VM: the VM's casting behavior works as it always did, the compiler implements this feature using the existing mechanism for casting to Integer and calling .intValue(). So how could this change in the Java language proper, help run other languages on the VM? I agree your link...
Why declare a struct that only contains an array in C?
...sistent that is. For C++ it looks for an == operator. In C it says "invalid operands to binary ==".
– Matt
Dec 22 '11 at 1:43
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How to get client's IP address using JavaScript?
...d to somehow retrieve the client's IP address using JavaScript; no server side code, not even SSI.
50 Answers
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How can I add CGPoint objects to an NSArray the easy way?
...ist in nil. All objects in this structure are auto-released.
On the flip side, when you're pulling the values out of the array:
NSValue *val = [points objectAtIndex:0];
CGPoint p = [val CGPointValue];
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jQuery exclude elements with certain class in selector
...avitem").not($(this)).addClass("active");
});
});
.navitem
{
width: 100px;
background: red;
color: white;
display: inline-block;
position: relative;
text-align: center;
}
.navitem.active
{
background:green;
}
<script src="https://ajax.googleapis.com...
validation custom message for rails 3
Rails has introduced new way to validate attributes inside model.
When I use
4 Answers
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Python mock multiple return values
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You can assign an iterable to side_effect, and the mock will return the next value in the sequence each time it is called:
>>> from unittest.mock import Mock
>>> m = Mock()
>>> m.side_effect = ['foo', 'bar', 'baz']
>>> m...