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Class JavaLaunchHelper is implemented in both … libinstrument.dylib. One of the two will be used. Wh

I upgraded to the latest Java 7u40 on MacOS X and started getting the following message on the console when launching my application using Eclipse. The app works fine but I would like to find out the cause of the problem and hopefully a fix for it. ...
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A CSS selector to get last visible div

... 10 Answers 10 Active ...
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Convert from ASCII string encoded in Hex to plain ASCII?

... A slightly simpler solution: >>> "7061756c".decode("hex") 'paul' share | improve this answer | follow | ...
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What is the difference between a var and val definition in Scala?

...ry if some other part of your code is changing it. For example: x = new B(0) f(x) if (x.value.value == 0) println("f didn't do anything to x") else println("f did something to x") This becomes particularly important with multithreaded systems. In a multithreaded system, the following can happ...
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Python timedelta in years

... answered Apr 19 '09 at 20:05 Rick CopelandRick Copeland 10.5k44 gold badges3636 silver badges3838 bronze badges ...
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What does tree-ish mean in Git?

...----------------------------- | 1. <sha1> | dae86e1950b1277e545cee180551750029cfe735 | 2. <describeOutput> | v1.7.4.2-679-g3bee7fb | 3. <refname> | master, heads/master, refs/heads/master | 4. <refname>@{<date>} | master@{yesterday...
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?

... answered Nov 14 '09 at 17:58 MortyMorty 1,2181111 silver badges1010 bronze badges ...
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How to get the instance id from within an ec2 instance?

...in availability-zone' EC2_REGION="`echo \"$EC2_AVAIL_ZONE\" | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`" You may also use curl instead of wget, depending on what is installed on your platform. share | ...
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Retrieve only the queried element in an object array in MongoDB collection

...d shapes element: db.test.find( {"shapes.color": "red"}, {_id: 0, shapes: {$elemMatch: {color: "red"}}}); Returns: {"shapes" : [{"shape": "circle", "color": "red"}]} In 2.2 you can also do this using the $ projection operator, where the $ in a projection object field name represents...
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Modern way to filter STL container?

... 110 See the example from cplusplus.com for std::copy_if: std::vector<int> foo = {25,15,5,-5,-...