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Twitter Bootstrap 3 Sticky Footer
...ways optimizing it and this is GOOD:
HTML
<!DOCTYPE html>
<html lang="en">
<head></head>
<body>
<!-- Fixed navbar -->
<div class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div c...
Can I set enum start value in Java?
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Java enums are not like C or C++ enums, which are really just labels for integers.
Java enums are implemented more like classes - and they can even have multiple attributes.
public enum Ids {
OPEN(100), CLOSE(200);
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Converting List to List
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Solution for Java 8. A bit longer than the Guava one, but at least you don't have to install a library.
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
//...
List<Integer> integers = Arrays.asL...
How can I check if multiplying two numbers in Java will cause an overflow?
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Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow.
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Java Garbage Collection Log messages
I have configured java to dump garbage collection information into the logs ( verbose GC ). I am unsure of what the garbage collection entries in the logs mean. A sample of these entries are posted below. I've searched around on Google and have not found solid explanations.
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What is Double Brace initialization in Java?
What is Double Brace initialization syntax ( {{ ... }} ) in Java?
13 Answers
13
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
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On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there.
Select the Execution Env as show below. Click OK
Then Right-Click on your Project -> Maven -> Update Project
Ad...
What does the arrow operator, '->', do in Java?
... code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
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What is difference between cacerts and keystore?
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cacerts is where Java stores public certificates of root CAs. Java uses cacerts to authenticate the servers.
Keystore is where Java stores the private keys of the clients so that it can share it to the server when the server requests client ...
What causes “Unable to access jarfile” error?
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I had encountered this issue when I had run my Jar file as
java -jar TestJar
instead of
java -jar TestJar.jar
Missing the extension .jar also causes this issue.
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