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Difference between FetchType LAZY and EAGER in Java Persistence API?
...s;
private List<Student> students;
// setters and getters
}
Now when you load a University from the database, JPA loads its id, name, and address fields for you. But you have two options for how students should be loaded:
To load it together with the rest of the fields (i.e. eagerl...
Ajax using https on an http page
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Seems like Opera supports it now: en.wikipedia.org/wiki/… Only not Opera Mini though...
– gitaarik
Mar 5 '14 at 11:07
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Understanding the main method of python [duplicate]
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If you import the module (.py) file you are creating now from another python script it will not execute the code within
if __name__ == '__main__':
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If you run the script directly from the console, it will be executed.
Python does not use or require a main() function...
How does Amazon RDS backup/snapshot actually work?
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AWS documentation now states that "A brief I/O freeze, typically lasting a few seconds, occurs during both automated backups and DB snapshot operations on Single-AZ DB instances." docs.aws.amazon.com/AmazonRDS/latest/UserGuide/…
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What does MissingManifestResourceException mean and how to fix it?
...bly in the project settings. (I changed it from (previously) "Servers" to (now) "RT.Servers".)
In the auto-generated code in Resources.Designer.cs, there is the following code:
internal static global::System.Resources.ResourceManager ResourceManager {
get {
if (object.ReferenceEquals(r...
How do SQL EXISTS statements work?
...M student WHERE EXISTS (SELECT 1 FROM student WHERE student.id > 1). I know what I wrote could be achieved by one simple WHERE query but I was just using it to understand EXISTS. I got all the rows. Is it indeed due to the fact that I didn't use correlated subquery? Thanks.
–...
What are best practices for validating email addresses on iOS 2.0
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Read the RFC. Almost everyone that thinks they know how to parse/clean/validate an email address is wrong.
http://tools.ietf.org/html/rfc2822
Section 3.4.1 is very useful. Notice
dtext = NO-WS-CTL / ; Non white space controls
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Can someone explain the dollar sign in Javascript?
...them.
There is another common meaning for a dollar sign in an interpreter nowadays: the jQuery object, whose name only consists of a single dollar sign ($). This is a convention borrowed from earlier Javascript frameworks like Prototype, and if jQuery is used with other such frameworks, there will...
How do I show a Save As dialog in WPF?
...nked to the wrong version. I've updated my answer to point the correct one now.
– Twelve47
Apr 11 '11 at 14:50
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Why are you not able to declare a class as static in Java?
...word to the class itself? What are your intentions? What would you expect? Now that you have an idea of what it could be, I'm pretty sure that it will be either "not really make sense" or it will be "far fetched" (it would make sense, but it the end it's just a choice that has been made).
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