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Hand Coded GUI Versus Qt Designer GUI [closed]
...oing that by hand would have just sucked.
Since I switched from Delphi to Java for GUI apps (back in 2002), I've never used designers any more. I like layout managers much more. And yeah, you get boilerplate code, but moving objects on a UI designer may take as much time as changing the boilerplate...
Populating a ListView using an ArrayList?
...r arraylist to array
//You will get an exmaple here
//http://www.java-tips.org/java-se-tips/java.lang/how-to-convert-an-arraylist-into-an-array.html
private String arr[]=convert(arrlist);
@Override
public void onCreate(Bundle bun)
{
super.onCreate(bun);
se...
Custom toast on Android: a simple example
... android:textColor="#FFF" />
</LinearLayout>
MainActivity.java
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.toast_layout,
(ViewGroup) findViewById(R.id.toast_layout_root));
ImageView image = (ImageView) layou...
Using a piano keyboard as a computer keyboard [closed]
...input. Don't try to do this yourself, use a library. Edit: Apparently, the Java Sound API supports MIDI, including receiving events from MIDI controllers. Cool. This page may also be useful.
Converting that data into the keystrokes you want to send, e.g. via the dictionary I mentioned above.
Outputt...
When to use an interface instead of an abstract class and vice versa?
...
If you are looking at java as OOP language,
"interface does not provide method implementation" is no longer valid with Java 8 launch. Now java provides implementation in interface for default methods.
In simple terms, I would like to use
interf...
Downloading all maven dependencies to a directory NOT in repository?
... libraries for redundant API definitions (e.g. some libraries will include Javax APIs, which can conflict with other versions of the same API), but it's also good if your app needs its dependencies packaged with it for distribution, or just whatever.
– Spanky Quigman
...
What is declarative programming? [closed]
...xpressions that are not referentially transparent?
– java-addict301
Sep 15 '17 at 15:35
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Servlet for serving static content
...x.jsp?g=.sth he will get the source of jsp file. Or I'm wrong? (I'm new in Java EE) I usually use url pattern /css/* and etc.
– SemperPeritus
Jun 2 '17 at 15:48
add a comment...
C++ templates that accept only certain types
In Java you can define generic class that accept only types that extends class of your choice, eg:
14 Answers
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How can I use Spring Security without sessions?
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In Spring Security 3 with Java Config, you can use HttpSecurity.sessionManagement():
@Override
protected void configure(final HttpSecurity http) throws Exception {
http
.sessionManagement()
.sessionCreationPolicy(SessionCreati...