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How to identify platform/compiler from preprocessor macros?

I'm writing a cross-platform code, which should compile at linux, windows, Mac OS. On windows, I must support visual studio and mingw. ...
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running Rails console in production

I have just gone live with my first Rails site, but now I have a problem. When I run the project in development mode on my IDE I can run the console to something like: ...
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how to compare two elements in jquery [duplicate]

It's always false. How can you compare two elements in jQuery? 6 Answers 6 ...
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What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?

I am pretty new to Laravel 4 and Composer. While I do Laravel 4 tutorials, I couldn't understand the difference between those two commands; php artisan dump-autoload and composer dump-autoload What's the difference between them? ...
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Git stash uncached: how to put away all unstaged changes?

Suppose two set of changes are made in a project versioned by git. One set is staged and the other is not. 4 Answers ...
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enum.values() - is an order of returned enums deterministic

I have a enum SOME_ENUM : 4 Answers 4 ...
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Stop caching for PHP 5.5.3 in MAMP

Installed MAMP on a new Macbook with PHP 5.5.3. 9 Answers 9 ...
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jQuery first child of “this”

I'm trying to pass "this" from a clicked span to a jQuery function that can then execute jQuery on that clicked element's first child. Can't seem to get it right... ...
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What's the $unwind operator in MongoDB?

This is my first day with MongoDB so please go easy with me :) 6 Answers 6 ...
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What is the difference between required and ng-required?

What is the difference between required and ng-required (form validation)? 3 Answers ...