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PHP script - detect whether running under linux or Windows?

...ues on Windows like WIN32, WINNT or Windows. See as well: Possible Values For: PHP_OS and php_unameDocs: if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { echo 'This is a server using Windows!'; } else { echo 'This is a server not using Windows!'; } ...
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Real differences between “java -server” and “java -client”?

...erver configuration. From Chapter 2 of the whitepaper (The Java HotSpot Performance Engine Architecture): The JDK includes two flavors of the VM -- a client-side offering, and a VM tuned for server applications. These two solutions share the Java HotSpot runtime environment code base, but use diffe...
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How to Free Inode Usage?

... It's quite easy for a disk to have a large number of inodes used even if the disk is not very full. An inode is allocated to a file so, if you have gazillions of files, all 1 byte each, you'll run out of inodes long before you run out of di...
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How does BLAS get such extreme performance?

...e implemented in terms of Level1 functions. However, you can boost the performance of this functions if you can provide a dedicated implementation that makes use of some multiprocessor architecture with shared memory. Level 3 functions are operations like the matrix-matrix product. Again you coul...
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How to redirect to a 404 in Rails?

...itional statements. As a bonus, it's also super easy to handle in tests. For example, in an rspec integration test: # RSpec 1 lambda { visit '/something/you/want/to/404' }.should raise_error(ActionController::RoutingError) # RSpec 2+ expect { get '/something/you/want/to/404' }.to raise_err...
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How do I check if an array includes a value in JavaScript?

...lso use Array#indexOf, which is less direct, but doesn't require polyfills for outdated browsers. Many frameworks also offer similar methods: jQuery: $.inArray(value, array, [fromIndex]) Underscore.js: _.contains(array, value) (also aliased as _.include and _.includes) Dojo Toolkit: dojo.indexOf(a...
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How do I convert seconds to hours, minutes and seconds?

I have a function that returns information in seconds, but I need to store that information in hours:minutes:seconds. 12 An...
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Retrieve only the queried element in an object array in MongoDB collection

... Thanks, I wasn't aware of that limitation so that's good to know. Sorry for deleting my comment you're responding to, I decided to post another answer instead and didn't want to confuse people. – JohnnyHK Sep 3 '12 at 4:35 ...
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

...xpressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation? 9 Answers ...
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Why am I getting a “401 Unauthorized” error in Maven?

...), or 0.1.2a, or 0.1.3 ("later") results in the error I was dealing with before this one: – aliteralmind Jul 18 '14 at 18:46 ...