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Do any JV<em>Mem>'s JIT co<em>mem>pilers generate code that uses vectorized floating point instructions?
Let's say the bottleneck of <em>mem>y Java progra<em>mem> really is so<em>mem>e tight loops to co<em>mem>pute a bunch of vector dot products. Yes I've profiled, yes it's the bottleneck, yes it's significant, yes that's just how the algorith<em>mem> is, yes I've run Proguard to opti<em>mem>ize the byte code, etc.
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Fast Linux File Count for a large nu<em>mem>ber of files
I'<em>mem> trying to figure out the best way to find the nu<em>mem>ber of files in a particular directory when there are a very large nu<em>mem>ber of files ( > 100,000).
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Table header to stay fixed at the top when user scrolls it out of view with jQuery
I a<em>mem> trying to design an HT<em>Mem>L table where the header will stay at the top of the page when AND ONLY when the user scrolls it out of view. For exa<em>mem>ple, the table <em>mem>ay be 500 pixels down fro<em>mem> the page, how do I <em>mem>ake it so that if the user scrolls the header out of view (browser detects its no longer i...
How do I force Postgres to use a particular index?
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Assu<em>mem>ing you're asking about the co<em>mem><em>mem>on "index hinting" feature found in <em>mem>any databases, PostgreSQL doesn't provide such a feature. This was a conscious decision <em>mem>ade by the PostgreSQL tea<em>mem>. A good overview of why and what you ca...
Difference between a Structure and a Union
Is there any good exa<em>mem>ple to give the difference between a struct and a union ?
Basically I know that struct uses all the <em>mem>e<em>mem>ory of its <em>mem>e<em>mem>ber and union uses the largest <em>mem>e<em>mem>bers <em>mem>e<em>mem>ory space. Is there any other OS level difference?
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Correct idio<em>mem> for <em>mem>anaging <em>mem>ultiple chained resources in try-with-resources block?
The Java 7 try-with-resources syntax (also known as AR<em>Mem> block ( Auto<em>mem>atic Resource <em>Mem>anage<em>mem>ent )) is nice, short and straightforward when using only one AutoCloseable resource. However, I a<em>mem> not sure what is the correct idio<em>mem> when I need to declare <em>mem>ultiple resources that are dependent on each ot...
How do I include a JavaScript file in another JavaScript file?
Is there so<em>mem>ething in JavaScript si<em>mem>ilar to @i<em>mem>port in CSS that allows you to include a JavaScript file inside another JavaScript file?
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How to trigger Autofill in Google Chro<em>mem>e?
I would like to know if there is so<em>mem>e kind of special <em>mem>arkup to enable the Chro<em>mem>e autofill feature for a specific for<em>mem>. I only found questions about how to disable it, but I would like to know if I can add so<em>mem>e kind of <em>mem>arkup to the ht<em>mem>l code in order to tell the browser "this is the input for the a...
When is std::weak_ptr useful?
I started studying s<em>mem>art pointers of C++11 and I don't see any useful use of std::weak_ptr . Can so<em>mem>eone tell <em>mem>e when std::weak_ptr is useful/necessary?
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How do I allow HTTPS for Apache on localhost?
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I've just atte<em>mem>pted this - I needed to test so<em>mem>e develop<em>mem>ent code on <em>mem>y localhost Apache on Windows. This was WAAAY <em>mem>ore difficult than it should be. But here are the steps that <em>mem>anaged to work after <em>mem>uch hairpulling...
I found that <em>mem>y ...