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Java compiler level does not match the version of the installed Java project facet

I have created a New Dynamic Project under Eclipse Helios Version, where my JRE Version is set to 1.6. I have added Maven capabilities to the Web Application by clicking on Configure → Convert to Maven Project . ...
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How does Go compile so quickly?

... Microsoft's C# compiler does not run in a VM. It is still written in C++, primarily for performance reasons. – blucz May 20 '11 at 7:04 ...
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Are arrays passed by value or passed by reference in Java? [duplicate]

...hey are not objects either , so are they passed by value or by reference? Does it depend on what the array contains, for example references or a primitive type? ...
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Minimum and maximum value of z-index?

...3648 to +2147483647) in practice (64 would be a little off the top, and it doesn't make sense to use anything less than 32 bits these days) share | improve this answer | foll...
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PHP: How to check if image file exists?

... As people said, it doesn't work on remote URL/paths. But it works in local paths (internal server path where files are located). Also, from other methods, remote takes as long as 14 seconds, and local, less than 1 second (for a certain example)...
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What does the “expand” option do in grunt-contrib-copy? The examples all use it but the docs say not

...ost-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f16977884%2fwhat-does-the-expand-option-do-in-grunt-contrib-copy-the-examples-all-use-it%23new-answer', 'question_page'); } ); Post as a guest ...
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Orchestration vs. Choreography

...le is event driven processing, where an agent is activated by an event and does its job. All the agents make a system together. There is no centralized logic. Choreography possibilities may go farther beyond orchestration as it is more aligned with the real world. My opinion is that we do not need ...
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?

What does going with a document based NoSQL option buy you over a KV store, and vice-versa? 4 Answers ...
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Use PHP composer to clone git repo

...supported by Composer. DO YOU HAVE WRITE ACCESS TO THE REPOSITORY? Yes? DOES THE REPOSITORY HAVE A composer.json FILE If you have a repository you can write to: Add a composer.json file, or fix the existing one, and DON'T use the solution below. Go to @igorw 's answer ONLY USE THIS IF YOU DON'...
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How do I use arrays in C++?

... C++98 and std::array<T, n> since C++11 ), so the need for arrays does not arise quite as often as it does in C. However, when you read legacy code or interact with a library written in C, you should have a firm grasp on how arrays work. ...