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What is the “owning side” in an ORM mapping?
...we want is only a foreign key on table ID_DOCUMENTS towards PERSONSand the extra association table.
To solve this we need to configure Hibernate to stop tracking the modifications on relation Person.idDocuments. Hibernate should only track the other side of the relation IdDocument.person, and to do...
How do you know when to use fold-left and when to use fold-right?
...
The extra stack frames will definitely make a difference for large lists. If your stack frames exceed the size of the processor's cache, then your cache-misses are going to affect performance. Unless the list is doubly-linked, it...
Converting numpy dtypes to native python types
...pn.item()
print('{0} ({1!r}) -> {2}'.format(name, npn.dtype.char, type(nat)))
except:
pass
There are a few NumPy types that have no native Python equivalent on some systems, including: clongdouble, clongfloat, complex192, complex256, float128, longcomplex, longdo...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...s as to why 'bill'@'localhost' matches ''@'localhost' like I was, an empty string effectively acts a wild card in MySQL's authentication algorithm.
– Dean Or
Aug 6 '13 at 4:14
2
...
Detail change after Git pull
...I can then utilize tools with GUI to see the changes :P
I'd then have the extra step of doing a git checkout . and then doing git pull again so that I properly pull and merge, but I value the ability to examine differences in a GUI enough to deal with the extra two steps.
...
How can I add a PHP page to WordPress?
...eader.php file using a PHP require().
Here's an example that uses a query string to generate Facebook Open Graph (OG) data for any post.
Take the example of a link like http://example.com/yourfilename.php?1 where 1 is the ID of a post we want to generate OG data for:
Now in the contents of yourfi...
TypeScript “this” scoping issue when called in jquery callback
...ers to forget to handle this context
Good: Typesafe in TypeScript
Good: No extra work if the function has parameters
Bad: Derived classes can't call base class methods written this way using super.
Bad: The exact semantics of which methods are "pre-bound" and which aren't create an additional non-ty...
Is there a way to detect if an image is blurry?
...d
% focus value.
% Method, is the focus measure algorithm as a string.
% see 'operators.txt' for a list of focus
% measure methods.
% ROI, Image ROI as a rectangle [xo yo width heigth].
% if an empty argument is passed, the whole
% image is ...
Simple proof that GUID is not unique [closed]
...e GuidCollisionDetector
{
class Program
{
static void Main(string[] args)
{
//var reserveSomeRam = new byte[1024 * 1024 * 100]; // This indeed has no effect.
Console.WriteLine("{0:u} - Building a bigHeapOGuids.", DateTime.Now);
// Fill...
Setting an object to null vs Dispose()
...ode) to know when you're not going to use a reference again. For example:
StringBuilder sb = new StringBuilder();
sb.Append("Foo");
string x = sb.ToString();
// The string and StringBuilder are already eligible
// for garbage collection here!
int y = 10;
DoSomething(y);
// These aren't helping at...