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Keeping ASP.NET Session Open / Alive
...rn a JSON serialized object if some data should be returned to the calling JavaScript.
Made available through web.config:
<httpHandlers>
<add verb="GET,HEAD" path="SessionHeartbeat.ashx" validate="false" type="SessionHeartbeatHttpHandler"/>
</httpHandlers>
added from bale...
How should equals and hashcode be implemented when using JPA and Hibernate
...ance of the base type, but is a dynamically generated subtype generated by javassist, thus a check on the same class type will fail, so don't use:
if (getClass() != that.getClass()) return false;
instead use:
if (!(otherObject instanceof Unit)) return false;
which is also a good practice, as e...
Performing Breadth First Search recursively
...
A simple BFS and DFS recursion in Java:
Just push/offer the root node of the tree in the stack/queue and call these functions.
public static void breadthFirstSearch(Queue queue) {
if (queue.isEmpty())
return;
Node node = (Node) queue.poll()...
JPA: what is the proper pattern for iterating over large result sets?
...
Page 537 of Java Persistence with Hibernate gives a solution using ScrollableResults, but alas it's only for Hibernate.
So it seems that using setFirstResult/setMaxResults and manual iteration really is necessary. Here's my solution u...
Call to getLayoutInflater() in places not in activity
...excpetion somewhere in the code. grepcode.com/file/repository.grepcode.com/java/ext/…
– Raanan
Nov 5 '13 at 23:45
...
Redis cache vs using memory directly
...application runs on a platform whose memory is garbage collected (node.js, java, etc ...), it allows handling a much bigger memory cache/store. In practice, very large heaps do not perform well with garbage collected languages.
Redis can persist the data on disk if needed.
Redis is a bit more than a...
How to make Google Chrome JavaScript console persistent?
...a%2f%2fstackoverflow.com%2fquestions%2f5327955%2fhow-to-make-google-chrome-javascript-console-persistent%23new-answer', 'question_page');
}
);
Post as a guest
...
What is a stored procedure?
...able to another table.
Can be called for other programming languages, like Java.
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Cookies on localhost with explicit domain
...ttp://php.net/manual/en/function.setcookie.php#73107.
If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all.
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Can every recursion be converted into iteration?
...ascal. Suppose conditions are such that you need an implementation in C or Java. (Perhaps it's politics.) Then you could certainly have some functions written recursively but which, translated literally, would explode your runtime system. For example, infinite tail recursion is possible in Scheme, b...