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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
...h faster since it doesn't have to deal with all those extra method calls.
And as Atrey points out, c.contains(..) increases the time complexity of removeAll to O(n2) as opposed to clear's O(n).
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How do I use the nohup command without getting nohup.out?
I have a problem with the nohup command.
8 Answers
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Why is document.write considered a “bad practice”?
I know document.write is considered bad practice; and I'm hoping to compile a list of reasons to submit to a 3rd party vendor as to why they shouldn't use document.write in implementations of their analytics code.
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Arguments or parameters? [duplicate]
I often find myself confused with how the terms 'arguments' and 'parameters' are used. They seem to be used interchangeably in the programming world.
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How to set the JDK Netbeans runs on?
I have older NB6.7, NB6.9, NB7.0, which used to run on jdk1.6.0_21 and jdk1.6.0_25. Now I've removed those JDKs and only have jdk1.6.0_26 and jdk1.7.0 left, but I still want to keep the older NBs, but now when I run them, I get this message:
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Why use the yield keyword, when I could just use an ordinary IEnumerable?
...azy. Only, it requires far less compiler generated custom ---gunk--- code. And less developer time writing and maintaining. (Of course, that was just this example)
– sehe
Dec 28 '12 at 11:57
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How to calculate the running time of my program? [duplicate]
I wrote a program and now I want to calculate the total running time of my program from start to end.
6 Answers
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Stashing only un-staged changes in Git
...stash push. It differs from "stash push" in that it cannot take pathspecs, and any non-option arguments form the message."
– jocull
Aug 27 '19 at 20:14
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Read entire file in Scala?
What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.)
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How to install XNA game studio on Visual Studio 2012?
...ws 8.1/VS2012 to play nicely with XNA. What can I say, it works. Well done and thanks.
– Gareth
Jan 23 '14 at 20:19
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