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How to implement infinity in Java?
Does Java have anything to represent infinity for every numerical data type? How is it implemented such that I can do mathematical operations with it?
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H2 in-memory database. Table not found
...ckage com.gigaspaces.compass;
import org.testng.annotations.Test;
import java.sql.*;
public class H2Test {
@Test
public void testDatabaseNoMem() throws SQLException {
testDatabase("jdbc:h2:test");
}
@Test
public void testDatabaseMem() throws SQLException {
testDatabase("jdbc:h2:mem:test")...
bool operator ++ and --
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With the old standards (C++98) it is not an error.
With the new standards incrementing a boolean is deprecated. (C++11)
You can use incrementation on a boolean until C++17.
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Convert boolean to int in Java
What is the most accepted way to convert a boolean to an int in Java?
12 Answers
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How do I load a file from resource folder?
...(code here).2
Here are some examples of how that class is used:
src\main\java\com\company\test\YourCallingClass.java
src\main\java\com\opensymphony\xwork2\util\ClassLoaderUtil.java
src\main\resources\test.csv
// java.net.URL
URL url = ClassLoaderUtil.getResource("test.csv", YourCallingClass.class...
run main class of Maven project [duplicate]
I've created a simple console Java application that is built with Maven. Is there a way that the main class (which doesn't require any arguments) can be run from the command-line using a maven command like:
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What is the difference between a map and a dictionary?
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Two terms for the same thing:
"Map" is used by Java, C++
"Dictionary" is used by .Net, Python
"Associative array" is used by PHP
"Map" is the correct mathematical term, but it is avoided because it has a separate meaning in functional programming.
Some languages use st...
How to close a Java Swing application from the code
...ing it with System.exit is a very bad idea).
The most common culprits are java.util.Timer and a custom Thread you've created. Both should be set to daemon or must be explicitly killed.
If you want to check for all active frames, you can use Frame.getFrames(). If all Windows/Frames are disposed of,...
How to maintain a Unique List in Java?
How to create a list of unique/distinct objects (no duplicates) in Java?
7 Answers
7
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Flask-SQLalchemy update a row's information
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98
There is a method update on BaseQuery object in SQLAlchemy, which is returned by filter_by.
a...