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What is the reason behind “non-static method cannot be referenced from a static context”? [duplicate
...y start with an exception to the rule?) That's very counter-pedagogical of Java, that the "first" thing you should learn is the public static void main thing. (Few real Java applications have their own main methods anyways.)
...
list.clear() vs list = new ArrayList(); [duplicate]
... might be faster to make a new ArrayList.
http://www.docjar.com/html/api/java/util/ArrayList.java.html
public void clear() {
modCount++;
// Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
...
How can I make my custom objects Parcelable?
...ee my warnings.
Hrisey
Warning!
Hrisey has a known issue with Java 8 and therefore cannot be used for Android development nowadays.
See #1 Cannot find symbol errors (JDK 8).
Hrisey is based on Lombok. Parcelable class using Hrisey:
@hrisey.Parcelable
public final class POJOClass im...
Determine which JAR file a class is from
...ion of the class file itself. For example:
jar:file:/jdk/jre/lib/rt.jar!/java/lang/String.class
file:/projects/classes/pkg/MyClass$1.class
The getProtectionDomain().getCodeSource().getLocation() method returns the location of the jar file or CLASSPATH
file:/Users/home/java/libs/ejb3-persisten...
Is it possible to ping a server from Javascript?
...try this:
put ping.html on the server with or without any content, on the javascript do same as below:
<script>
function ping(){
$.ajax({
url: 'ping.html',
success: function(result){
alert('reply');
},
error: function(resul...
How to inject dependencies into a self-instantiated object in Spring?
...ence how the autowiring happens: static.springsource.org/spring/docs/3.0.x/javadoc-api/org/…
– Sean Patrick Floyd
Sep 28 '10 at 14:29
...
Is there an Eclipse line-width marker?
...I need to wrap every code line at 65 characters. I have set up the eclipse Java code formatter properly for this. But what I really want is a vertical line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater. I know this feature is availabl...
How can I unstage my files again after making a local commit?
...use "git reset HEAD <file>..." to unstage)
#
# modified: foo.java
#
# Changes not staged for commit:
# (use "git add <file>..." to update what will be committed)
# (use "git checkout -- <file>..." to discard changes in working directory)
#
# modified: foo.java
#...
How to remove unused imports from Eclipse
... it's also quite helpful do define a save-action for this. Preferences->Java->Editor->Save Actions
– oers
Apr 17 '11 at 12:05
2
...
javax.faces.application.ViewExpiredException: View could not be restored
...
Introduction
The ViewExpiredException will be thrown whenever the javax.faces.STATE_SAVING_METHOD is set to server (default) and the enduser sends a HTTP POST request on a view via <h:form> with <h:commandLink>, <h:commandButton> or <f:ajax>, while the associated vie...