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How to reduce iOS AVPlayer start delay

... For iOS 10.x and greater to reduce AVPlayer start delay I set: avplayer.automaticallyWaitsToMinimizeStalling = false; and that seemed to fix it for me. This could have other consequences, but I haven't hit those yet. I got the idea for...
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Finding Number of Cores in Java

...r of available processors should therefore occasionally poll this property and adjust their resource usage appropriately." source – JW. Jun 16 '12 at 9:38 ...
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What is the right way to override a setter method in Ruby on Rails?

I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute. ...
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Split comma-separated strings in a column into separate rows

...odified according to Rich Scriven's comment, Jaap's two data.table methods and two dplyr / tidyr approaches, Ananda's splitstackshapesolution, and two additional variants of Jaap's data.table methods. Overall 8 different methods were benchmarked on 6 different sizes of data frames using the micro...
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What is the most efficient way to deep clone an object in JavaScript?

...t object? I've seen obj = eval(uneval(o)); being used, but that's non-standard and only supported by Firefox . I've done things like obj = JSON.parse(JSON.stringify(o)); but question the efficiency. I've also seen recursive copying functions with various flaws. I'm surprised no canoni...
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What is scope/named_scope in rails?

I've recently started an internship. My employer uses ruby on rails, and I frequently encounter new syntax that I need to look up to understand. I've googled around for a good explanation of named_scope, but what I've found so far is mostly blog posts giving high praise for it, rather a straight def...
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?

... Thanks for the links! And thanks for the quick overview... My office is blocking the link for some reason :P but I'll check it out as soon as I get to a regular computer. – froadie Feb 11 '10 at 18:47 ...
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Which characters need to be escaped when using Bash?

... There are two easy and safe rules which work not only in sh but also bash. 1. Put the whole string in single quotes This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the singl...
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How to understand Locality Sensitive Hashing?

...mmds/ch3a.pdf Also I recommend the below slide: http://www.cs.jhu.edu/%7Evandurme/papers/VanDurmeLallACL10-slides.pdf . The example in the slide helps me a lot in understanding the hashing for cosine similarity. I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to expl...
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Knight's Shortest Path on Chessboard

I've been practicing for an upcoming programming competition and I have stumbled across a question that I am just completely bewildered at. However, I feel as though it's a concept I should learn now rather than cross my fingers that it never comes up. ...