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Can someone explain mappedBy in JPA and Hibernate?
... It is a bi-directional relationship in my objects, so that I can traverse from either direction. mappedBy is the recommended way to go about it, however, I couldn't understand it. Can someone explain:
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Spring @PostConstruct vs. init-method attribute
...nit-method in xml was preferred way , as it decouples java classes (beans) from any spring specific classes/annotations.So if you are building a library that does not need to be dependent on spring infrastructure beans then use of init-method was preferred.During creation method u can specify the me...
How to debug a GLSL shader?
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You can't easily communicate back to the CPU from within GLSL. Using glslDevil or other tools is your best bet.
A printf would require trying to get back to the CPU from the GPU running the GLSL code. Instead, you can try pushing ahead to the display. Instead of t...
Configure Log4net to write to multiple files
I'd like to write log to 2 different log files from the same process.
5 Answers
5
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How do I scroll the UIScrollView when the keyboard appears?
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The recommended way from Apple is to change the contentInset of the UIScrollView. It is a very elegant solution, because you do not have to mess with the contentSize.
Following code is copied from the Keyboard Programming Guide, where the handl...
What REST PUT/POST/DELETE calls should return by a convention?
...g REST over HTTP then RFC7231 describes exactly what behaviour is expected from GET, PUT, POST and DELETE.
Update (Jul 3 '14):
The HTTP spec intentionally does not define what is returned from POST or DELETE. The spec only defines what needs to be defined. The rest is left up to the implementer t...
What character encoding should I use for a HTTP header?
... in field
content (obs-text) as opaque data.
Previously, RFC 2616 from 1999 defined this:
Words of *TEXT MAY contain characters from character sets other than ISO-
8859-1 [22] only when encoded according to the rules of RFC 2047 [14].
and RFC 2047 is the MIME encoding, so it'd ...
How to use MySQL DECIMAL?
...of MySQL's DECIMAL. I need the row to be able to contain a number anywhere from 00.0001 to 99.9999. How would I structure it to work like so?
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Capture screenshot of active window?
...new Bitmap(bounds.Width, bounds.Height))
{
using(Graphics g = Graphics.FromImage(bitmap))
{
g.CopyFromScreen(Point.Empty, Point.Empty, bounds.Size);
}
bitmap.Save("test.jpg", ImageFormat.Jpeg);
}
for capturing current window use
Rectangle bounds = this.Bounds;
using (Bi...
Swift and mutating struct
...answers WHY, by default, the properties of a value type cannot be modified from within its instance methods. you make hints that its because structs default to immutable, but i dont think that is true
– Joseph Knight
Jun 5 '14 at 19:49
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