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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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In Scala, what exactly does 'val a: A = _' (underscore) mean?

...default value of the type A. For example, the default value of an Int is 0 and the default value of a reference type is null. share | improve this answer | follow ...
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C library function to perform sort

Is there any library function available in C standard library to do sort? 7 Answers 7...
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Get the current first responder without using a private API

I submitted my app a little over a week ago and got the dreaded rejection email today. It tells me that my app cannot be accepted because I'm using a non-public API; specifically, it says, ...
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Export specific rows from a PostgreSQL table as INSERT SQL script

I have a database schema named: nyummy and a table named cimory : 9 Answers 9 ...
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Downloading images with node.js [closed]

... Cool! Is there a way to check size and content type before actually downloading it? – Jonathan Ong Oct 5 '12 at 19:00 2 ...
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How can I check if a Perl array contains a particular value?

... can also add more (unique) params to the list: $params{$newparam} = 1; And later get a list of (unique) params back: @badparams = keys %params; share | improve this answer | ...
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How to put multiple statements in one line?

...t is not possible with Python (which makes Python close to useless for command-line one-liner programs). Even explicit use of parentheses does not avoid the syntax exception. You can get away with a sequence of simple statements, separated by semi-colon: for i in range(10): print "foo"; print "bar"...
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Any way to delete in vim without overwriting your last yank? [duplicate]

...help registers. It's probably safest, if you want to paste something over and over again, to yank it into a "named" register. "aY Yanks a line into the a register. Paste it with "ap. share | im...
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What's the difference between ES6 Map and WeakMap?

Looking this and this MDN pages it seems like the only difference between Maps and WeakMaps is a missing "size" property for WeakMaps. But is this true? What's the difference between them? ...