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Some projects cannot be imported because they already exist in the workspace error in Eclipse

I am trying to import a project that me and my co-worker have been working on.. and keep getting this error after I select-- "import" then "import existing project" then click archive file, and then I click next, and this error comes up: ...
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What is the difference between ELF files and bin files?

The final images produced by compliers contain both bin file and extended loader format ELf file ,what is the difference between the two , especially the utility of ELF file. ...
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What is the difference between graph search and tree search?

What is the difference between graph search and tree search versions regarding DFS, A* searches in artificial intelligence ? ...
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URL Fragment and 302 redirects

...2014-Jun-27: RFC 7231, Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content, has been published as a PROPOSED STANDARD. From the Changelog: The syntax of the Location header field has been changed to allow all URI references, including relative references and fragments, along with...
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Heroku 'Permission denied (publickey) fatal: Could not read from remote repository' woes

...be generated if you don't have one alredy, in my case I alredy had the key and just needed to add the key to heroku – joseramonc Dec 3 '14 at 16:19 4 ...
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Is a Java string really immutable?

...hange the lookup table used in Integer autoboxing etc. Now, the reason s1 and s2 change value, is that they both refer to the same interned string. The compiler does this (as mentioned by other answers). The reason s3 does not was actually a bit surprising to me, as I thought it would share the v...
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Light weight alternative to Hibernate? [closed]

...n layer in my program. Hibernate appears to require a lot of configuration and is overkill for what I need. What are light weight alternatives to Hibernate? ...
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ggplot with 2 y axes on each side and different scales

I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ). ...
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PHP server on local machine?

I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do that? ...
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Grep and Sed Equivalent for XML Command Line Processing

...a will be in files of single line records like csv. It's really simple to handle this data with grep and sed . But I have to deal with XML often, so I'd really like a way to script access to that XML data via the command line. What are the best tools? ...