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How do I achieve the theoretical maximum of 4 FLOPs per cycle?

...one this exact task before. But it was mainly to measure power consumption and CPU temperatures. The following code (which is fairly long) achieves close to optimal on my Core i7 2600K. The key thing to note here is the massive amount of manual loop-unrolling as well as interleaving of multiplies a...
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OpenLayers vs Google Maps? [closed]

...hese are a really great questions! I'm a professional OpenLayers developer and fan, so I'll address your questions from that perspective. Why would I use OpenLayers instead of Google Maps? Flexiblity: You are not tied to any particular map provider or technology. You can change anytime and not ha...
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Entity Framework rollback and remove bad migration

I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
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Nginx no-www to www and www to no-www

I am using nginx on Rackspace cloud following a tutorial and having searched the net and so far can't get this sorted. 17...
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AngularJS : How to watch service variables?

... always use the good old observer pattern if you want to avoid the tyranny and overhead of $watch. In the service: factory('aService', function() { var observerCallbacks = []; //register an observer this.registerObserverCallback = function(callback){ observerCallbacks.push(callback); ...
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How to deploy an ASP.NET Application with zero downtime

... You need 2 servers and a load balancer. Here's in steps: Turn all traffic on Server 2 Deploy on Server 1 Test Server 1 Turn all traffic on Server 1 Deploy on Server 2 Test Server 2 Turn traffic on both servers Thing is, even in this case yo...
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Effects of the extern keyword on C functions

... We have two files, foo.c and bar.c. Here is foo.c #include <stdio.h> volatile unsigned int stop_now = 0; extern void bar_function(void); int main(void) { while (1) { bar_function(); stop_now = 1; } return 0; } Now, here is...
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How do search engines deal with AngularJS applications?

I see two issues with AngularJS application regarding search engines and SEO: 15 Answers ...
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Why does Iterable not provide stream() and parallelStream() methods?

... am wondering why the Iterable interface does not provide the stream() and parallelStream() methods. Consider the following class: ...
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Detach (move) subdirectory into separate Git repository

... Now I have found that one of the subdirectories is unrelated to the other and should be detached to a separate repository. ...