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Getting visitors country from their IP
I want to get visitors country via their IP... Right now I'm using this ( http://api.hostip.info/country.php?ip= ...... )
2...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...etter method). Just to change state (I mean setter method). As you should know, getReference returns a proxy object which uses a powerful feature called automatic dirty checking. Suppose the following
public class Person {
private String name;
private Integer age;
}
public class PersonS...
Are PHP Variables passed by value or by reference?
... $str would be assigned null, in your case.
– The Unknown Dev
Jan 22 '15 at 19:31
if you do it this way @ObmerkKronen ...
jQuery Ajax calls and the Html.AntiForgeryToken()
...
I know there are a lot of other answers, but this article is nice and concise and forces you to check all of your HttpPosts, not just some of them:
http://richiban.wordpress.com/2013/02/06/validating-net-mvc-4-anti-forgery-toke...
How do I search for an object by its ObjectId in the mongo console?
...ay to change your "scope" or something at the command line and not really know it?
– jcollum
Nov 22 '11 at 20:36
No wo...
Find out how much memory is being used by an object in Python [duplicate]
...ld you go about finding out how much memory is being used by an object? I know it is possible to find out how much is used by a block of code, but not by an instantiated object (anytime during its life), which is what I want.
...
Determine if variable is defined in Python [duplicate]
How do you know whether a variable has been set at a particular place in the code at runtime? This is not always obvious because (1) the variable could be conditionally set, and (2) the variable could be conditionally deleted. I'm looking for something like defined() in Perl or isset() in PHP or...
How do you test that a Python function throws an exception?
...ust alias that as unittest:
import unittest2 as unittest
Example tests
Now, paste into your Python shell the following test of Python's type-safety:
class MyTestCase(unittest.TestCase):
def test_1_cannot_add_int_and_str(self):
with self.assertRaises(TypeError):
1 + '1'
...
How to print SQL statement in codeigniter model
...e queries property.
Try it yourself:
var_dump( $this->db );
If you know you have only one query, you can print it directly:
echo $this->db->queries[0];
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...
C++ sorting and keeping track of indexes
...p;v](size_t i1, size_t i2) {return v[i1] < v[i2];});
return idx;
}
Now you can use the returned index vector in iterations such as
for (auto i: sort_indexes(v)) {
cout << v[i] << endl;
}
You can also choose to supply your original index vector, sort function, comparator, or ...