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How to return multiple objects from a Java method?
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If you know you are going to return two objects, you can also use a generic pair:
public class Pair<A,B> {
public final A a;
public final B b;
public Pair(A a, B b) {
this.a = a;
this.b = b;
}
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Using comparison operators in Scala's pattern matching system
... 1 => "greater than ten"
case -1 => "less than ten"
})
}
Now, the documentation for scala.math.Ordering.compare(T, T) promises only that the non-equal outcomes will be greater than or less than zero. Java's Comparable#compareTo(T) is specified similarly to Scala's. It happens to be...
How to kill zombie process
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well that just killed init for me, and now I can't do anything and am forced to restart... the zombie process is Java, taking 3.4GB out of 4GB of RAM
– Tcll
May 19 '15 at 21:43
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How to edit log message already committed in Subversion?
... +1 for giving the command directly :-) apache.org was down right now and I couldn't follow any given link...
– Rafa
Jan 10 '11 at 16:23
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What is HEAD in Git?
...using, for example, git checkout HEAD~2), which is not the commit id of a known head. See the article at eagain.net/articles/git-for-computer-scientists for a more thorough explanation.
– Silfheed
Jan 5 '16 at 22:24
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Core pool size vs maximum pool size in ThreadPoolExecutor
...threads running, a new thread will be created only if the queue is full.)
Now, Take a simple example,
ThreadPoolExecutor executorPool = new ThreadPoolExecutor(5, 10, 3, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(50));
Here, 5 is the corePoolSize - means Jvm will create new thread f...
How to use OpenSSL to encrypt/decrypt files?
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NOTE: PBKDF2 is now part of the openssl enc (finally). However the iteration count is extrememly low, and needs to be set to a much higher level. If that count is randomised, then you also get a extra level of 'saltiness' to your encryption...
How do I calculate tables size in Oracle
...ering how I can get at tables size in Oracle 10g.
I have googled it so I'm now aware that I may not have as easy an option as sp_spaceused. Still the potential answers I got are most of the time outdated or don't work. Probably because I'm no DBA on the schema I'm working with.
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How/when to use ng-click to call a route?
...s is the only suggested solution on this page that actually worked. Don't know why another answer has a lot more votes than this one..?
– Per Quested Aronsson
Jul 30 '13 at 11:24
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git - Your branch is ahead of 'origin/master' by 1 commit
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I resolved this by just running a simple:
git pull
Nothing more.
Now it's showing:
# On branch master
nothing to commit, working directory clean
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