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How to choose the right bean scope?
...rich ajax-enabled dynamic views (ajaxbased validation, rendering, dialogs, etc). Use @FlowScoped for the "wizard" ("questionnaire") pattern of collecting input data spread over multiple pages. Use @SessionScoped for client specific data, such as the logged-in user and user preferences (language, etc...
Why aren't superclass __init__ methods automatically invoked?
...m being called implicitly? That is what the other languages do (C++, Java, etc.).
– Maggyero
Jul 26 at 10:07
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Difference between Java SE/EE/ME?
...ogrammer should learn (java.lang, java.io, java.math, java.net, java.util, etc...).
Java EE = Enterprise Edition. From Wikipedia:
The Java platform (Enterprise Edition) differs from the Java Standard
Edition Platform (Java SE) in that it adds libraries which provide
functionality to dep...
How to find a Java Memory Leak
... stick in memory"? I see very general things like int[], Object[], String, etc. How do I find where they come from?
– Vituel
Apr 19 '17 at 14:49
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What is the 'new' keyword in JavaScript?
...ral (functions default to Function.prototype, numbers to Number.prototype, etc.). It can only be read with Object.getPrototypeOf(someObject). There is no other way to set or read this value.
Functions, in addition to the hidden [[prototype]] property, also have a property called prototype, and it i...
How to RedirectToAction in ASP.NET MVC without losing request data
..." action you can go:
public ActionResult Form()
{
/* Declare viewData etc. */
if (TempData["form"] != null)
{
/* Cast TempData["form"] to
System.Collections.Specialized.NameValueCollection
and use it */
}
return View("Form", viewData);
}
...
What difference between Jersey vs jax-rs
...ld be input type, input format, output type, its format, its configuration etc.Its Just a type declaration and its implementation are these libraries, Jersey, wink RestEasy etc.
Further, Java also have specification like JPA(Java Persistence API) and like mentioned above there is Hibernate which is...
Python - When to use file vs open
...classes in the io library (somewhat similar to Java with buffered readers, etc.)
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Draw a perfect circle from user's touch
...gs with his finger with my iPad on this App (Kids drawings: circle, lines, etc, whatever came to his mind).
Then he started to draw circles and then he asked me to make it "good circle" (from my understanding: make the drawn circle perfectly round, as we know
no matter how stable we try to draw som...
Correct use of flush() in JPA/Hibernate
... flush() sends SQL instructions to the database like INSERT, UPDATE etc. It will not send a COMMIT, so if you have an exception after a flush(), you can still have a complete rollback.
– Flavio
Jun 20 '11 at 8:08
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