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What is the best way to detect a mobile device?

...ackberry|iemobile|opera mini/i.test(navigator.userAgent.toLowerCase())); Now $.browser will return "device" for all above devices Note: $.browser removed on jQuery v1.9.1. But you can use this by using jQuery migration plugin Code A more thorough version: var isMobile = false; //initiate as f...
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Modify SVG fill color when being served as Background-Image

... This answer was great as of 2012, but now CSS masks and/or filters have been supported in all browsers for some time. I recommend that anyone reading this now check out the links in widged's answer below or just skip to CSS Masks here, which is a really easy solu...
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How do I address unchecked cast warnings?

...eally should have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe. ...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

...ling its doLayout() method, which typically will invoke the LayoutManager. Now each child placed on this container will be validated recursively, so that the entire tree will be laid out and will become valid. revalidate() : revalidate() is to be called when you change an attribute that would affec...
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Chrome hangs after certain amount of data transfered - waiting for available socket

... case there were many tabs open and polling to server, closed all tabs and now it is good. – igaurav Aug 22 '17 at 7:06 ...
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How to create index in Entity Framework 6.2 with code first

...via Fluent API. Ho it is to use was already announced in the beta of 6.2. Now you can use the HasIndex() method, followed by IsUnique() if it should be an unique index. Just a small comparison (before/after) example: // before modelBuilder.Entity<Person>() .Property(e => e.Name...
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How to search through all Git and Mercurial commits in the repository for a certain string?

...tuations where I had commits in my database but not in my reflog. I don't know how common this is. I was trying out different hg/git bridges. I think it can also arise with dropped stashes. In any case, this alias works nicely to catch those cases: !git fsck --unreachable | sed -ne 's/^unreachable c...
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Is a Java hashmap search really O(1)?

...hm! We can generalzie this to pcollision x k = (n / capacity)k And now we can disregard some arbitrary number of collisions and end up with vanishingly tiny likelihood of more collisions than we are accounting for. You could get the probability to an arbitrarily tiny level by choosing the c...
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Optimal number of threads per core

... I know this question is rather old, but things have evolved since 2009. There are two things to take into account now: the number of cores, and the number of threads that can run within each core. With Intel processors, the nu...
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Using the scrollwheel in GNU screen

... Yes, I know about scrollback mode. I was hoping that I would not have to manually enter scrollback mode in order to use the mouse. Thanks. – JesperE Jan 24 '09 at 20:34 ...