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How to check if a json key exists?
...has":
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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How to randomize two ArrayLists in the same fashion?
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This is the Java, object oriented solution. Perhaps, how it should be done... :)
– Evan
Feb 5 '13 at 0:45
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How to change Android version and code version number?
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Is there a way to access the versionname in Java?
– Mark Molina
Jun 13 '14 at 9:33
Do w...
What is the difference between a 'closure' and a 'lambda'?
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@AlexanderOrlov: They are both lambdas and closures. Java had closures before via anonymous inner classes. Now that functionality has been made syntactically easier via lambda expressions. So probably the most relevant aspect of the new feature is that there are now lambdas. It...
How to restart Jenkins manually?
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For safeRestart, see stackoverflow.com/a/15555339/260122 java -jar /var/cache/jenkins/war/WEB-INF/jenkins-cli.jar -s http://localhost:8080/ safe-restart (if installed by rpm or deb, otherwise adjust accordingly).
– clacke
Nov 14 '13 at 3:28
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Setting up a deployment / build / CI cycle for PHP projects
... docs - run cross-platform.
Setting up a hudson server
Prerequisites:
Java (1.5 will serve you just fine)
Read access to the subversion server (I have a separate account for the hudson user)
From here, it's just:
java -jar hudson.war
This will run a small server instance right off your con...
Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
... level interrupt handlers will notice it and can handle it appropriately.
Java Concurrency in Practice discusses this in more detail in Chapter 7.1.3: Responding to Interruption. Its rule is:
Only code that implements a thread's interruption policy may swallow an interruption request. General-p...
What is the difference between C# and .NET?
... run on the CLR can also use the .NET libraries.
If you are familiar with Java, this is similar... Java is a language built on top of the JVM... though any of the pre-assembled Java libraries can be used by another language built on top of the JVM.
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Writing to output window of Visual Studio
...o the output window for debugging purposes. I searched for a function like Java's system.out.println("") . I tried Debug.Write , Console.Write , and Trace.Write . It does not give an error, but it does not print anything either.
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What are the best use cases for Akka framework [closed]
I have heard lots of raving about Akka framework (Java/Scala service platform), but so far have not seen many actual examples of use cases it would be good for. So I would be interested in hearing about things developers have used it succesfully.
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