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Why does the JVM still not support tail-call optimization?
...T. Depending on the JVM, the JIT may or may not do this.
Then it gives a test you can use to figure out if your JIT does this.
Naturally, since this is an IBM paper, it includes a plug:
I ran this program with a couple of
the Java SDKs, and the results were
surprising. Running on Sun's Ho...
Window.open and pass parameters by post method
... post a form to it.
Example:
<form id="TheForm" method="post" action="test.asp" target="TheWindow">
<input type="hidden" name="something" value="something" />
<input type="hidden" name="more" value="something" />
<input type="hidden" name="other" value="something" />
</f...
How can I implode an array while skipping empty array items?
...; $item !== NULL; // Discards empty strings and NULL
// or... whatever test you feel like doing
}
function my_join($array)
{
return implode('-',array_filter($array,"my_filter"));
}
share
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...
Why is NaN not equal to NaN? [duplicate]
...have gone for the more verbose !(x<x & x>x) instead of x!=x as a test for NaN. However, their focus was more pragmatic and narrow: providing the best solution for a numeric computation, and as such they saw no issue with their approach.
===
Original answer:
I am sorry, much as I appreci...
ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...id measurements there was no significant difference. I would have to redo tests to come up with all the specific details.
– Robert Klemme
Oct 17 '11 at 12:16
...
Logical operator in a handlebars.js {{#if}} conditional
...ngs). It's fine with literal values, but doesn't resolve model properties (tested with Ember 1.0.0-rc.8 and Handlebars 1.0.0), and registerBoundHelper can't deal with Handlebars syntax. The workaround is to create a custom view: stackoverflow.com/questions/18005111/…
– Warren...
Working Soap client example
...avax.xml.soap.*;
public class SOAPClientSAAJ {
// SAAJ - SOAP Client Testing
public static void main(String args[]) {
/*
The example below requests from the Web Service at:
http://www.webservicex.net/uszip.asmx?op=GetInfoByCity
To call other W...
A Regex that will never be matched by anything
...a simple literal that I "know" won't appear in my input turns out to be fastest, in Python. With a 5MB input string, and using this in a sub() operation, (?!x)x takes 21% longer, (?!()) is 16%, and ($^) 6% longer. May be significant in some cases, though not in mine.
– Peter ...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...ps;
import akka.camel.Camel;
import akka.camel.CamelExtension;
import akka.testkit.TestActorRef;
import akka.testkit.TestProbe;
import org.junit.Ignore;
import org.junit.Test;
import akka.camel.javaapi.UntypedProducerActor;
import akka.camel.javaapi.UntypedConsumerActor;
import static com.rogers.tot...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...to the end of the string ( and because of that it was kicked back to me in testing)
I added in a simple change
$('.numbersOnly').keyup(function () {
if (this.value != this.value.replace(/[^0-9\.]/g, '')) {
this.value = this.value.replace(/[^0-9\.]/g, '');
}
});
this way if there i...