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Negative weights using Dijkstra's Algorithm
... good reference from Algorithm (4th edition), which says (and contains the java implementation of version 2 & 3 I mentioned above):
Q. Does Dijkstra's algorithm work with negative weights?
A. Yes and no. There are two shortest paths algorithms known as Dijkstra's algorithm, depending on whether...
Eclipse HotKey: how to switch between tabs?
...e nonsense like that.
Matt Ball confirms:
oh wow, selecting "Editing Java Source" actually worked!
Now, unfortunately this means that I'm SOL if I nav into a non-Java file (JSP, XML, JS, etc.).
The fix for this is to "copy command" for this pair, and select all the "whens" that I want.
S...
What does enctype='multipart/form-data' mean?
...L
Save the form to a minimal .html file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<title>upload</title>
</head>
<body>
<form action="http://localhost:8000" method="post" enctype="multipart/form-data">
<p><...
Difference between validate(), revalidate() and invalidate() in Swing GUI
...d and performs layout of the container.
UPDATE:
Some code from Component.java
public void revalidate() {
revalidateSynchronously();
}
/**
* Revalidates the component synchronously.
*/
final void revalidateSynchronously() {
synchronized (getTreeLock()) {
invalidate();
C...
What are the key differences between Apache Thrift, Google Protocol Buffers, MessagePack, ASN.1 and
...ms of languages supported out of the box (it only supports C++, Python and Java) but it does have a lot of third-party support for other languages (of highly variable quality). Google does pretty much all of their work using Protocol Buffers, so it is a battle-tested, battle-hardened protocol (albe...
How do I convert a org.w3c.dom.Document object to a String?
I want to convert a org.w3c.dom.Document object to a String. I'm using Java 6 and am open to using any (completely free) technology that is up to the task. I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code? , where t...
Facebook Architecture [closed]
...l for that many people who are building NEW PHP apps.
There's also PHP to JAVA via things like Resin/Quercus. Again, it doesn't support everything...
Another thing to note is that if you use any non-standard PHP module, you aren't going to be able to convert that code to C++ or Java either. Howeve...
Where to use EJB 3.1 and CDI?
I am making a Java EE based product in which I'm using GlassFish 3 and EJB 3.1.
2 Answers
...
What is an initialization block?
...block. What is the use of initialization block? Is it necessary that every java program must have it?
10 Answers
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What is javax.inject.Named annotation supposed to be used for?
I am trying to understand the javax.inject package and I am not clear what the javax.inject.Named annotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
...