|Related to : System.out.println - cannot resolve symbol|
|Apache Storm-Starter: Intellij IDEA: Cannot resolve symbol 'LocalCluster'; Cannot resolve symbol 'LocalDPRC'|
I had similar issue and I finally resolved by realizing that you need
mvn clean install -DskipTests=true
at the top storm directory to build your storm first.
|System.out.println(); and System.err.println(); printing interchangeably|
Those are two different output streams, the order in which they are
invoked is not the only thing that matters. They might flush their
contents towards the console at a different time.
Edit: after a bit more digging this answer indicates that it might be
an (unresolved) eclipse bug as well. It's been open for 10 years,
don't get your hopes up on a fix anytime soon.
|Cannot find symbol println|
You concatenate Strings with + not ,
System.out.println("You have ", numGuards, " guards");
System.out.println("You have " + numGuards + " guards");
|dyld: lazy symbol binding failed: can't resolve symbol|
That error message indicates that you are linking against a Shared
Library (dylib) which is not available in the library path at run time
when you are executing it.
If you have installed the framework in one of the standard locations
(such as /Library/Frameworks) on your original build and in the same
place when you checked it your and rebuilt, then you should be OK.
However, there are some comp
|Why my program runs fast when I make a call to System.nanoTime() outside the System.out.println statement?|
The second one creates a new StringBuilder and appends a String to it
before taking the timings. The first one takes the timing before
doing this extra work.
The second one is equivalent to
System.out.println(new StringBuilder().append("Time: ")
.append(System.nanoTime() - t).toString());
StringBuildler sb = new StringBuilder().append("Time: "); // included