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What is the difference between a thread and a fiber?

...ht-weight, cooperative threads. Both are separate execution paths for your application. With threads: the current execution path may be interrupted or preempted at any time (note: this statement is a generalization and may not always hold true depending on OS/threading package/etc.). This means tha...
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Download multiple files as a zip-file using php

...ile($file); } $zip->close(); and to stream it: header('Content-Type: application/zip'); header('Content-disposition: attachment; filename='.$zipname); header('Content-Length: ' . filesize($zipname)); readfile($zipname); The second line forces the browser to present a download box to the user...
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Placing/Overlapping(z-index) a view above another view in android

...red before elevation existed. Using elevation won't fix the issue if your app has a minSdk less than Lollipop (on pre-lollipop phones the layout will look wrong if you rely on just elevation) - you still have to pay attention to the order of the layout. You are right though, that if you use eleva...
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Get type of a generic parameter in Java with reflection

...pr 14 '13 at 12:52 Yann-Gaël GuéhéneucYann-Gaël Guéhéneuc 79311 gold badge66 silver badges1515 bronze badges ...
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Unable to hide welcome screen in Emacs

... edited Aug 11 '16 at 8:24 Léo Léopold Hertz 준영 114k154154 gold badges410410 silver badges644644 bronze badges answered Apr 13 '09 at 17:28 ...
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PostgreSQL database default location on Linux

...e the same here /var/lib/8.1/postgresql – Junior Mayhé Apr 30 '14 at 11:47 For me its '/var/lib/postgresql/9.3/main' ...
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Set environment variables from file of key/value pairs

... Problem with your approach is the export in the while loop is happening in a sub shell, and those variable will not be available in current shell (parent shell of while loop). Add export command in the file itself: export MINIENTREGA_FECHALI...
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How is Racket different from Scheme?

... @Zorf It can easily be changed by overloading #%app, though: #lang racket (require (rename-in racket [#%app old])) (define-syntax #%app (syntax-rules () [(_) '()] [(_ . rest) (old . rest)])) (null? ()) ;; => #t – Suzanne Dupéron N...
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How do I detect if software keyboard is visible on Android Device or not?

...is in a utils class and pass in the activity - now useful across the whole app. – Justin Apr 11 '17 at 14:21 2 ...
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How to check if an email address exists without sending an email?

...er might not even know all accounts within. – David Mårtensson Feb 27 '11 at 21:25 3 Then why do...