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How do I delete all messages from a single queue using the CLI?
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I used this as part of unit tests. e.g. I clear everything, then set it all up programmically via stackoverflow.com/questions/4545660/… then populate some messages and do black box testing to make sure messages went through. Works great for this purpo...
Mutable vs immutable objects
... fail in odd and unpredictable ways. Immutable objects are even easier to test, due not only to their easy mockability, but also the code patterns they tend to enforce. In short, they're good practice all around!
With that said, I'm hardly a zealot in this matter. Some problems just don't model ...
JavaFX Application Icon
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Updated for JavaFX 8
No need to change the code. It still works fine. Tested and verified in Java 1.8(1.8.0_45). Path can be set to local or remote both are supported.
stage.getIcons().add(new Image("/path/to/javaicon.png"));
OR
stage.getIcons().add(new Image("https://example.com/javaicon.p...
What exactly is Spring Framework for? [closed]
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@fred - Imagine you are doing unit testing. Without dependency injection(DI can be used with annotations or with XML) you can't properly test, because you can't mock the dependencies.
– Petar Minchev
Dec 30 '11 at 9:32
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What is array to pointer decay?
...claration.
Assume the following code:
char a[80];
strcpy(a, "This is a test");
The expression a is of type "80-element array of char" and the expression "This is a test" is of type "16-element array of char" (in C; in C++ string literals are arrays of const char). However, in the call to strc...
Connect Java to a MySQL database
...:
Connection conn = dataSource.getConnection();
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT ID FROM USERS");
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rs.close();
stmt.close();
conn.close();
share
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Structs versus classes
...e to stretch. In the meantime "it can be faster both ways, here's why, now test and find out which applies in this case" is useful to be able to say :)
– Jon Hanna
Oct 15 '10 at 15:03
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How to change JFrame icon [duplicate]
...icon.png", iconPath, false, false);
}
JFrame frm = new JFrame("Test");
ImageIcon imgicon = new ImageIcon(iconPath);
JButton bttn = new JButton("Kill");
MainFrame frame = new MainFrame();
bttn.addActionListener(frame);
frm.add(bttn);
frm.set...
Scala Programming for Android
...ps://stackoverflow.com/a/11084146/1287856
Everything works fine. A simple test application with scalafied main activity class only takes 38Kb. Libraries projects are supported. Proguard is activated when exporting the project.
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The preferred way of creating a new element with jQuery
...eral, defining properties
var $e = $("<div>", {id: "newDiv1", name: 'test', class: "aClass"});
$e.click(function(){ /* ... */ });
// add the element to the body
$("#box").append($e);
But as far as readability goes; the jQuery approach is my favorite. Follow this Helpful jQuery Tricks, Notes,...