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Android: Remove all the previous activities from the back stack
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The solution proposed here worked for me:
Java
Intent i = new Intent(OldActivity.this, NewActivity.class);
// set the new task and clear flags
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
Kotlin
val i = Intent(thi...
What is the difference between instanceof and Class.isAssignableFrom(…)?
.../ syntax error
int.class.isAssignableFrom(int.class) // true
See http://java.sun.com/javase/6/docs/api/java/lang/Class.html#isAssignableFrom(java.lang.Class).
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Best Java obfuscator? [closed]
I am developing a security software and want to obfuscate my java code so it will become impossible to reverse engineer. What is the most reliable java obfuscator ?
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Why when a constructor is annotated with @JsonCreator, its arguments must be annotated with @JsonPro
...object to the constructor.
It is not possible to access parameter names in Java using reflection - that's why you have to repeat this information in annotations.
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Compare two objects in Java with possible null values
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This is what Java internal code uses (on other compare methods):
public static boolean compare(String str1, String str2) {
return (str1 == null ? str2 == null : str1.equals(str2));
}
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How to use classes from .jar files?
I read the Java tutorials on Sun for JAR files, but I still can't find a solution for my problem. I need to use a class from a jar file called jtwitter.jar, I downloaded the file, and tried executing it (I found out yesterday that .jar files can be executed by double clicking on them) and Vista gave...
Building vs. Compiling (Java)
... all the steps required to create a "deliverable" of your software. In the Java world, this typically includes:
Generating sources (sometimes).
Compiling sources.
Compiling test sources.
Executing tests (unit tests, integration tests, etc).
Packaging (into jar, war, ejb-jar, ear).
Running health c...
How to specify a port number in SQL Server connection string?
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I have turned from C# to Java, and this answer saves me. Again.
– smwikipedia
Apr 3 '15 at 1:10
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Utils to read resource text file to String (Java) [closed]
...y the core library seems allergic to modeling real-life use cases. Look at Java 7's Files, and tell me why reading everything from a classpath resource wasn't included there? Or at least using a standardized 'filesystem'.
– Dilum Ranatunga
Mar 7 '14 at 18:36
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What is the difference between a.getClass() and A.class in Java?
In Java what pros/cons exist surrounding the choice to use a.getClass() or A.class ? Either can be used wherever a Class<?> is expected, but I imagine that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName...