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What is a sealed trait?
...t took me six months to randomly arrive here and understand how to replace Java Enum in Scala.
– sscarduzio
Oct 14 '14 at 14:58
1
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Avoid synchronized(this) in Java?
Whenever a question pops up on SO about Java synchronization, some people are very eager to point out that synchronized(this) should be avoided. Instead, they claim, a lock on a private reference is to be preferred.
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Understanding the meaning of the term and the concept - RAII (Resource Acquisition is Initialization
...hers already answered about that, so I won't elaborate.
1. When coding in Java or C#, you already use RAII...
MONSIEUR JOURDAIN: What! When I say, "Nicole, bring me my slippers,
and give me my nightcap," that's prose?
PHILOSOPHY MASTER: Yes, Sir.
MONSIEUR JOURDAIN: For more than for...
Can not deserialize instance of java.util.ArrayList out of START_OBJECT token
... please refer to our site mboot.herokuapp.com, we publish article related java - spring-boot
– Salah Atwa
Jun 21 at 22:08
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How do I make the method return type generic?
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I don't disagree about that, but we are dealing with Java and all of its design decisions/foibles. I see this question as just trying to learn what is possible in Java generics, not as an xyproblem (meta.stackexchange.com/questions/66377/what-is-the-xy-problem) that needs to be...
Error “The goal you specified requires a project to execute but there is no POM in this directory” a
...owershell
mkdir MyWebApp
cd MyWebApp
mvn archetype:generate "-DgroupId=com.javan.dev" "-DartifactId=MyWebApp" "-DarchetypeArtifactId=maven-archetype-webapp" "-DinteractiveMode=false"
Note: This is tested only on windows 10 powershell
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Java: how to convert HashMap to array
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@Alex "In older Java versions using pre-sized array was recommended (...) However since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array version the same and sometimes even better, compared to t...
Streaming Audio from A URL in Android using MediaPlayer?
...npr-android-app/source/browse/Npr/src/org/npr/android/news/PlaybackService.java?r=7cf2352b5c3c0fbcdc18a5a8c67d836577e7e8e3
And this is the StreamProxy class: http://code.google.com/p/npr-android-app/source/browse/Npr/src/org/npr/android/news/StreamProxy.java?r=e4984187f45c39a54ea6c88f71197762dbe10e...
Assign variable in if condition statement, good practice or not? [closed]
I moved one years ago from classic OO languages such like Java to JavaScript. The following code is definitely not recommended (or even not correct) in Java:
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How do I print a list of “Build Settings” in Xcode project?
...termediateBuildFilesPath/project.build/Distribution-iphoneos/Project.build/JavaClasses"
CLEAN_PRECOMPS YES
CLONE_HEADERS NO
CODESIGNING_FOLDER_PATH "/Users/username/Library/Developer/Xcode/DerivedData/project-dxdgjvgsvvbhowg...