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How to debug stream().map(…) with lambda expressions?
In our project we are migrating to java 8 and we are testing the new features of it.
6 Answers
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What should every JavaScript programmer know? [closed]
Is there a set of things that every JavaScript programmer should know to be able to say "I know JavaScript"?
30 Answers
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Print “hello world” every X seconds
...duledExecutorService is even better, though; refer to Brian Goetz et al.'s Java Concurrency in Practice. The latter class has been around for nearly a decade—it's sad that all these other answers overlook it.
– Michael Scheper
Aug 14 '13 at 2:32
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Why is Double.MIN_VALUE in not negative
...his. I was porting some statistical analysis code and blindly translating java to C#. I noticed some numbers coming out at -infinity or NaN and took a closer look at the algorithm. I realized that double.MIN_VALUE made no sense in context and did a search. This post comes up before the java docs...
Benefit of using Parcelable instead of serializing object
...t have triggered the question, why is Android not using the
built-in Java serialization mechanism? It turns out that the
Android team came to the conclusion
that the serialization in Java is far too slow to satisfy Android’s
interprocess-communication
requirements. So the tea...
Match multiline text using regular expression
I am trying to match a multi line text using java. When I use the Pattern class with the Pattern.MULTILINE modifier, I am able to match, but I am not able to do so with (?m).
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Find a class somewhere inside dozens of JAR files?
... you can easily find the classes.
Another tool, that comes to my mind, is Java Decompiler. It can open a lot of jars at once and helps to find classes as well.
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Verify object attribute value with mockito
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If you're using Java 8, you can use Lambda expressions to match.
import java.util.Optional;
import java.util.function.Predicate;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
public class LambdaMatcher<T> extends...
@AspectJ pointcut for all methods of a class with specific annotation
... question.
Annotation: @Monitor
Annotation on class, app/PagesController.java:
package app;
@Controller
@Monitor
public class PagesController {
@RequestMapping(value = "/", method = RequestMethod.GET)
public @ResponseBody String home() {
return "w00t!";
}
}
Annotation on met...
How can I scan barcodes on iOS?
... core library. The port is a little old, from circa the 0.9 release of the Java code, but should still work reasonably well.
If you need to scan other formats, like 1D formats, you could continue the port of the Java code within this project to C++.
EDIT: Barcodes and the iphone code in the projec...