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How to change root logging level programmatically for logback
...ail to understand why something as simple as Logging is so complicated in Java/Scala.
– Abhinandan Dubey
Jan 15 '19 at 16:04
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How to get a JavaScript object's class?
I created a JavaScript object, but how I can determine the class of that object?
18 Answers
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Exception thrown in catch and finally clause
On a question for Java at the university, there was this snippet of code:
12 Answers
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Is there a javadoc tag for documenting generic type parameters?
I've been looking through the javadoc documentation on Sun's site, trying to find if there's a javadoc tag which can be used to document a class or method's generic type signature.
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Detect if Android device has Internet connection
... at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1273) at java.net.InetAddress.lookupHostByName(InetAddress.java:431) ...
When should I use “this” in a class?
...a constructor.
Case 1: Using this to disambiguate variable references. In Java setter methods, we commonly pass in an argument with the same name as the private member variable we are attempting to set. We then assign the argument x to this.x. This makes it clear that you are assigning the value of...
Does application.yml support environment variables?
...override parameters, but does that also work for env variables? Ex.: nohup java -Xmx1024m -jar -Dspring.profiles.active="whatever". Is there a way to do that with env vars?
– Igor Donin
Feb 15 '19 at 12:06
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How to get a list of installed Jenkins plugins with name and version pair
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The Jenkins CLI supports listing all installed plugins:
java -jar jenkins-cli.jar -s http://localhost:8080/ list-plugins
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What are the differences between ArrayList and Vector?
... @Rei Exactly what he said: Multiple threads (docs.oracle.com/javase/tutorial/essential/concurrency/…)
– RecursiveExceptionException
Aug 8 '16 at 2:10
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Add and Remove Views in Android Dynamically?
...LinearLayout container view with just a Add new button.
Control
In the Java code, you'll add and remove row views into the container dynamically, using inflate, addView, removeView, etc. There are some visibility control for better UX in the stock Android app. You need add a TextWatcher for the ...