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Maven error: Could not find or load main class org.codehaus.plexus.classworlds.launcher.Launcher
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I hit this problem too, and found this article. For Maven3, changing my environment variable name from M2_HOME to M3_HOME did the trick. I am on a Mac running OSX 10.9 with JDK 1.7. Hope this helps.
Note: Please delete M2_HOME, if already set. E...
How to remove a package in sublime text 2
I would like to remove and/or deactivate the Emmet package in Sublime Text 2.
7 Answers
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Is there a way to make R beep/play a sound at the end of a script?
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Simple and perfect, but useless if you've disabled PC speaker. Though I have no idea how does it run on Windows.
– aL3xa
Jul 29 '10 at 19:07
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Sort NSArray of date strings or objects
...[NSArray sortedArrayUsingSelector: or -[NSMutableArray sortUsingSelector:] and pass @selector(compare:) as the parameter. The -[NSDate compare:] method will order dates in ascending order for you. This is simpler than creating an NSSortDescriptor, and much simpler than writing your own comparison fu...
Brew update failed: untracked working tree files would be overwritten by merge
...answered Mar 13 '13 at 20:08
Strand McCutchenStrand McCutchen
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How to save a dictionary to a file?
I have problem with changing a dict value and saving the dict to a text file (the format must be same), I only want to change the member_phone field.
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Vagrant's port forwarding not working [closed]
... with a simple HTTP server you can use -- go to the folder with index.html and run sudo python -m SimpleHTTPServer 80, then try hitting that with curl from both boxes. If that works, then it's probably an Apache configuration issue. I don't have enough experience with Apache to help if that's the ...
What are the basic rules and idioms for operator overloading?
... operators are merely syntactic sugar, their actual work could be done by (and often is forwarded to) plain functions. But it is important that you get this boiler-plate code right. If you fail, either your operator’s code won’t compile or your users’ code won’t compile or your users’ code...
How do I replace text in a selection?
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This frustrated the heck out of me, and none of the above answers really got me what I wanted. I finally found the answer I was looking for, on a mac if you do ⌘ + option + F it will bring up a Find-Replace bar at the bottom of your editor which is local to t...
OPTION (RECOMPILE) is Always Faster; Why?
...g a function for every row, your key matches don't use an index because of CASTING type conversion or NULLS or functions... Too many possibilities here.
In general when you write a query, you should have some mental picture of roughly how certain data is distributed within your table. A column f...