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Java NIO FileChannel versus FileOutputstream performance / usefulness

...leChannel.transferFrom(). The key advantage here is that the JVM uses the OS's access to DMA (Direct Memory Access), if present. (This is implementation dependent, but modern Sun and IBM versions on general purpose CPUs are good to go.) What happens is the data goes straight to/from disc, to the b...
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How can I send mail from an iPhone application

...roller.h> – TomH Oct 5 '10 at 14:27 22 Just to note that since this answer was written UIViewC...
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Is JavaScript guaranteed to be single-threaded?

...e question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.) However, in reality this isn't quite true, in sneaky nasty ways. The most common case is immediate events. Browsers will fire these rig...
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How can I randomize the lines in a file using standard tools on Red Hat Linux?

...is there some other problem I'm encountering? – seth127 Jan 17 '18 at 15:05 add a comment  |  ...
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Format a Go string without printing?

...te: you may also display the result of a template execution if you provide os.Stdout as the target (which also implements io.Writer): t := template.Must(template.New("email").Parse(emailTmpl)) if err := t.Execute(os.Stdout, data); err != nil { panic(err) } This will write the result directly ...
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Mysql adding user for remote access

...default_port = <private instance port> in my php.ini, and then used 127.0.0.1 throughout for my db hostname – spex Sep 11 '13 at 18:41 ...
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How do I find out what keystore my JVM is using?

... future readers. – Keir Nellyer Jul 27 '14 at 19:15 4 ...
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How to make a copy of a file in android?

...ions/… – earizon Jul 18 '15 at 17:27 4 Please, close both Streams inside a finally, if there is...
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What is bootstrapping?

...elopment. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Near as I can figure, it has something to do with initialization ta...
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How to load external webpage inside WebView

... Thanks to this post, I finally found the solution. Here is the code: import android.app.Activity; import android.os.Bundle; import android.webkit.WebResourceError; import android.webkit.WebResourceRequest; import android.webkit.WebView; imp...