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What causes java.lang.IncompatibleClassChangeError?
...ges to the library without recompiling the client code. Java Language Specification §13 details all such changes, most prominently, changing non-static non-private fields/methods to be static or vice versa.
Recompile the client code against the new library, and you should be good to go.
UPDATE: ...
Java - get the current class name?
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The "$1" is not "useless non-sense". If your class is anonymous, a number is appended.
If you don't want the class itself, but its declaring class, then you can use getEnclosingClass(). For example:
Class<?> enclosingClass = getClass().getEnclosingClass(...
How to sort a HashMap in Java [duplicate]
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Do you have to use a HashMap? If you only need the Map Interface use a TreeMap
If you want to sort by comparing values in the HashMap. You have to write code to do this, if you want to do it once you can sort the values of your HashMap:
Map<String,...
Web API Routing - api/{controller}/{action}/{id} “dysfunctions” api/{controller}/{id}
...his to search for controller and action.
So, you should:
Put your specific rules ahead of your general rules(like default), which means use RouteTable.Routes.MapHttpRoute to map "WithActionApi" first, then "DefaultApi".
Remove the defaults: new { id = System.Web.Http.RouteParameter.Optional } ...
REST, HTTP DELETE and parameters
...nly reason why you should be putting a verb (force_delete) into the URI is if you would need to overload GET/POST methods in an environment where PUT/DELETE methods are not available. Judging from your use of the DELETE method, this is not the case.
HTTP error code 409/Conflict should be used for s...
How to save a BufferedImage as a File
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Also, make sure that outputfile exists. If it doesn't, write() will (incorrectly) throw a NullPointerException
– Cody S
Oct 23 '14 at 18:52
9
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How to remove the last character from a string?
...you need to do is use substring():
public String method(String str) {
if (str != null && str.length() > 0 && str.charAt(str.length() - 1) == 'x') {
str = str.substring(0, str.length() - 1);
}
return str;
}
...
Force an Android activity to always use landscape mode
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Looking at the AndroidManifest.xml (link), on line 9:
<activity android:screenOrientation="landscape" android:configChanges="orientation|keyboardHidden" android:name="VncCanvasActivity">
This line specifies the screenOrientation as landscape...
Can regular expressions be used to match nested patterns? [duplicate]
...regular expression) does not have memory apart from the state it's in, and if you have arbitrarily deep nesting, you need an arbitrarily large automaton, which collides with the notion of a finite automaton.
You can match nested/paired elements up to a fixed depth, where the depth is only limited b...
Can an abstract class have a constructor?
...e concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will frequently be used to enforce class constraints or invariants such as the minimum fields required to setup the class.
NOTE: As there is no default (or no-arg) constructor in the ...