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Difference between make and build in Android Studio
The Android Studio Build menu has options including
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What is the difference between a symbolic link and a hard link?
Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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How to parse a string to an int in C++?
What's the C++ way of parsing a string (given as char *) into an int? Robust and clear error handling is a plus (instead of returning zero ).
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Correct use of flush() in JPA/Hibernate
I was gathering information about the flush() method, but I'm not quite clear when to use it and how to use it correctly. From what I read, my understanding is that the contents of the persistence context will be synchronized with the database, i. e. issuing outstanding statements or refreshing enti...
How to center a Window in Java?
What's the easiest way to centre a java.awt.Window , such as a JFrame or a JDialog ?
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
In Python, I'm trying to run a method in a class and I get an error:
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How can I distinguish whether Switch,Checkbox Value is changed by user or programmatically (includin
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Answer 2:
A very simple answer:
Use on OnClickListener instead of OnCheckedChangeListener
someCheckBox.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// you might keep a reference to the CheckBox to avoid this c...
Do I need to close() both FileReader and BufferedReader?
I'm reading a local file using a BufferedReader wrapped around a FileReader:
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“Git fatal: ref HEAD is not a symbolic ref” while using maven release plugin
I get the following error output while running the Maven release plugin prepare step i.e. mvn release:prepare --batch-mode -DreleaseVersion=1.1.2 -DdevelopmentVersion=1.2.0-SNAPSHOT -Dtag=v1.1.2 -X from an Atlassian Bamboo plan. However doing the same in the command line works fine. The full error...
What is the difference between ? and Object in Java generics?
I'm using Eclipse to help me clean up some code to use Java generics properly. Most of the time it's doing an excellent job of inferring types, but there are some cases where the inferred type has to be as generic as possible: Object. But Eclipse seems to be giving me an option to choose between a...