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Ways to save Backbone.js model data?

... $donut = ... // Looks something like this maybe: // $donut = array('id'=>7, 'flavor'=>'chocolate', 'price'=>'1.00') $response = $app->response(); $response['Content-Type'] = 'application/json'; $response->body(json_encode($donut)); }); Here it's important ...
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Optimise PostgreSQL for fast testing

... then you can turn then off random_page_cost: if you have SSD or fast RAID array you can lower this to 2.0 (RAID) or even lower (1.1) for SSD checkpoint_segments: you can go higher 32 or 64 and change checkpoint_completion_target to 0.9. Lower value allows faster after-crash recovery ...
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#define macro for debug printing in C?

...ywhere. Also it works when printf is not enough, say when you must dump an array or calculate some diagnosing value that is redundant to the program itself. EDIT: Ok, it might generate a problem when there is else somewhere near that can be intercepted by this injected if. This is a version that go...
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What is Ember RunLoop and how does it work?

...ing DOM elements, etc) are performed is determined by the Ember.run.queues array described above: The run loop will start off on the first queue, which is sync. It'll run all of the actions that were scheduled into the sync queue by the Ember.run code. These actions may themselves also schedule more...
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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

..., 4).sortBy(identity[String]) require(rdd.collect.sliding(2).forall { case Array(x, y) => x < y }) /* Note: all posible permutations */ require(Seq.fill(1000)(rdd.fold("")(_ + _)).toSet.size == 24) Explained: Structure of fold for RDD def fold(zeroValue: T)(op: (T, T) => T): T = withSc...
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Sending event when AngularJS finished loading

... is ready, call angular.bootstrap with the root element of your app and an array of module names. In fact, if you attach a run function to the app module, you'll see it gets run before any of the compiling takes place. If you run the fiddle and watch the console, you'll see the following: before ...
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Using a piano keyboard as a computer keyboard [closed]

... Note that you could jam all the chords in a linear array and do traversal every time you receive a midi event, and still not experience any noticable slowdown. Using a trie smells slightly of premature optimization. – FeepingCreature Jan...
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Why does C++ not have reflection?

...ct can be optimized away. operator[] on a vector is only comparable to raw array indexing in performance because the entire operator can be inlined and thus removed entirely from the compiled code. C# and Java make a lot of guarantees about the output of the compiler. If I define a class in C#, then...
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Replacing a 32-bit loop counter with 64-bit introduces crazy performance deviations with _mm_popcnt_

I was looking for the fastest way to popcount large arrays of data. I encountered a very weird effect: Changing the loop variable from unsigned to uint64_t made the performance drop by 50% on my PC. ...
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What is a mixin, and why are they useful?

...at doesn't know anything about your original type, accepting only, say, an array of XmlSerializable types. Now imagine using this scenario for other things, like creating a mixin that ensures that every class that mixes it in logs every method call, or a mixin that provides transactionality to the...