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What is the difference between Google App Engine and Google Compute Engine?
...t the restriction is, you can create your application in only Python, PHP, Java, NodeJS, .NET, Ruby and **Go.
On the other hand, GCE provides you full infrastructure in the form of Virtual Machine. You have complete control over those VMs' environment and runtime as you can write or install any pro...
Why does Iterable not provide stream() and parallelStream() methods?
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If you know the size you could use java.util.Collection which provides the stream() method:
public class Hand extends AbstractCollection<Card> {
private final List<Card> list = new ArrayList<>();
private final int capacity;
//...
...
Why do variable names often start with the letter 'm'? [duplicate]
...is for writing Android source code. For creating Android apps, the Google Java Style Guide may be more helpful.
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Get the POST request body from HttpServletRequest
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In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
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Can you split a stream into two streams?
I have a data set represented by a Java 8 stream:
10 Answers
10
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SHA-1 fingerprint of keystore certificate
... is not found, Go to your installed JDK Directory e.g. <YourJDKPath>\Java\jdk1.8.0_231\bin\, open command line and try the above commands for debug/release mode.
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“webxml attribute is required” error in Maven
...gt;
This solution works for me(I was using 2.2 before). Also, I am using Java Based Configuration for Servlet 3.0 and no need to have web.xml file.
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Tomcat: How to find out running tomcat version
...is not recent, I thought, my answer can still help others:
cd tomcat/lib
java -cp catalina.jar org.apache.catalina.util.ServerInfo
and that's it.
Server version: Apache Tomcat/7.0.30
Server built: May 23 2013 02:54:10
Server number: 7.0.30.0
OS Name: Linux
OS Version: 3.13.0-36-ge...
Ignoring SSL certificate in Apache HttpClient 4.3
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Tried to apply this on WebSphere and got "java.security.KeyStoreException: IBMTrustManager: Problem accessing trust store java.io.IOException: Invalid keystore format " To avoid you need pass KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType()); inst...
Multiple inheritance for an anonymous class
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Anonymous classes must extend or implement something, like any other Java class, even if it's just java.lang.Object.
For example:
Runnable r = new Runnable() {
public void run() { ... }
};
Here, r is an object of an anonymous class which implements Runnable.
An anonymous class can exte...