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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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Why does sys.exit() not exit when called inside a thread in Python?

...and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread. ...
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What is the difference between Step Into and Step Over in the Eclipse debugger?

...e executed next, indicated by ->) at the f(x) line in g(), having been called by the g(2) line in main(): public class testprog { static void f (int x) { System.out.println ("num is " + (x+0)); // <- STEP INTO } static void g (int x) { -> f(x); // f(1); //...
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Difference between Array and List in scala

...at you should (probably) be using it much more than an Array (which is actually mutable - the immutable analog of Array is IndexedSeq). If you are coming from a Java background, then the obvious parallel is when to use LinkedList over ArrayList. The former is generally used for lists which are only...
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Creating stored procedure and SQLite?

...than in a separate SQL engine process. So it makes more sense to implement all your business logic including what would have been SP code in the host language. You can however extend SQLite with your own user defined functions in the host language (PHP, Python, Perl, C#, Javascript, Ruby etc). You ...
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Macro vs Function in C

...uct webpage page; page.numButtons = 2; num_button_holes(page) -> 8 Finally, macros can be difficult to debug, producing weird syntax errors or runtime errors that you have to expand to understand (e.g. with gcc -E), because debuggers cannot step through macros, as in this example: #define prin...
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What's the difference between belongs_to and has_one?

... They essentially do the same thing, the only difference is what side of the relationship you are on. If a User has a Profile, then in the User class you'd have has_one :profile and in the Profile class you'd have belongs_to :user. To det...
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What is the difference between IEqualityComparer and IEquatable?

...ted) IEqualityComparer<T> is an interface for an object (which is usually a lightweight class different from T) that provides comparison functions that operates on T – rwong Feb 22 at 16:40 ...
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Creating my own Iterators

... /EDIT: I see, an own iterator is actually necessary here (I misread the question first). Still, I'm letting the code below stand because it can be useful in similar circumstances. Is an own iterator actually necessary here? Perhaps it's sufficient to forward ...
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Getting URL hash location, and using it in jQuery

...te that this property already contains the # symbol at the beginning. Actually you don't need the :first pseudo-selector since you are using the ID selector, is assumed that IDs are unique within the DOM. In case you want to get the hash from an URL string, you can use the String.substring method:...