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module.exports vs exports in Node.js

... Setting module.exports allows the database_module function to be called like a function when required. Simply setting exports wouldn't allow the function to be exported because node exports the object module.exports references. The following code wouldn't allow the...
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Team Build Error: The Path … is already mapped to workspace

...ity TF - Team Foundation Version Control Tool (tf). You can get a list of all workspaces by bringing up a Visual Studio Command Prompt then changing to your workspace folder and issuing the following commands: C:\YourWorkspaceFolder>tf workspaces /owner:* You should see your problem workspace...
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Python set to list

...k that you didn't overwrite list by accident: >>> assert list == __builtins__.list share | improve this answer | follow | ...
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Is MATLAB OOP slow or am I doing something wrong?

...TLAB OOP , as a start I mimicked my C++'s Logger classes and I'm putting all my string helper functions in a String class, thinking it would be great to be able to do things like a + b , a == b , a.find( b ) instead of strcat( a b ) , strcmp( a, b ) , retrieve first element of strfind( a, b...
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iOS start Background Thread

...ou'd probably be better off using Grand Central Dispatch, though: dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self getResultSetFromDB:docids]; }); GCD is a newer technology, and is more efficient in terms of memory overhead and lines of code. Updated w...
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What are C++ functors and their uses?

...42); // create an instance of the functor class int i = add42(8); // and "call" it assert(i == 50); // and it added 42 to its argument std::vector<int> in; // assume this contains a bunch of values) std::vector<int> out(in.size()); // Pass a functor to std::transform, which calls the fu...
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How does Stack Overflow generate its SEO-friendly URLs?

...I benchmarked it). I figured I'd optimize it because this function can be called hundreds of times per page. /// <summary> /// Produces optional, URL-friendly version of a title, "like-this-one". /// hand-tuned for speed, reflects performance refactoring contributed /// by John Gietzen (user...
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Rails 4 LIKE query - ActiveRecord adds quotes

... Should really be easy to create a func to do this dynamically with a list of attributes – cevaris Feb 28 '16 at 17:16 ...
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Passing references to pointers in C++

As far as I can tell, there's no reason I shouldn't be allowed to pass a reference to a pointer in C++. However, my attempts to do so are failing, and I have no idea why. ...
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How to call asynchronous method from synchronous method in C#?

I have a public async void Foo() method that I want to call from synchronous method. So far all I have seen from MSDN documentation is calling async methods via async methods, but my whole program is not built with async methods. ...