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What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?
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I got the same problem after I delete Java1.6 and Java1.7 from Project Settings(with Java8 as default).
Finally I solve the problem by change SBT JVM config to Custom Java(Settings -> Build, Execution, Deployment -> Build Tools -> SBT).
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How to format date and time in Android?
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Use the standard Java DateFormat class.
For example to display the current date and time do the following:
Date date = new Date(location.getTime());
DateFormat dateFormat = android.text.format.DateFormat.getDateFormat(getApplicationContext(...
Initialization of an ArrayList in one line
... proposal for Project Coin was accepted (it was slated to be introduced in Java 7, but it's not likely to be part of Java 8 either.):
List<String> list = ["A", "B", "C"];
Unfortunately it won't help you here, as it will initialize an immutable List rather than an ArrayList, and furthermore,...
What is the “Execute Around” idiom?
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// Code to use the stream goes here
}
});
// Calling it with Java 8 Lambda Expression:
executeWithFile("filename.txt", s -> System.out.println(s.read()));
// Or with Java 8 Method reference:
executeWithFile("filename.txt", ClassName::methodName);
The calling code doesn't need to ...
How to access java-classes in the default-package?
...working now together with others in a grails project. I have to write some Java-classes. But I need access to an searchable object created with groovy. It seems, that this object has to be placed in the default-package.
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What does the ^ operator do in Java?
What function does the ^ (caret) operator serve in Java?
17 Answers
17
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Why is IoC / DI not common in Python?
In Java IoC / DI is a very common practice which is extensively used in web applications, nearly all available frameworks and Java EE. On the other hand, there are also lots of big Python web applications, but beside of Zope (which I've heard should be really horrible to code) IoC doesn't seem t...
Why are the Level.FINE logging messages not showing?
The JavaDocs for java.util.logging.Level state:
7 Answers
7
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SSH library for Java [closed]
Does anyone know of a good library for SSH login from Java.
7 Answers
7
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How does Java Garbage Collection work with Circular References?
From my understanding, garbage collection in Java cleans up some objects if nothing else is 'pointing' to that object.
8 An...