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Why use symbols as hash keys in Ruby?

...ed keys" against each other. Long answer: https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/ ...
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What does !important mean in CSS?

...wrong. – jlguenego Nov 3 '17 at 13:58  |  show 6 more comments ...
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Vim: How to insert in visual block mode?

...s. – Tyler Collier Aug 7 '14 at 17:28 2 @TylerCollier I'm experiencing the problem on Ubuntu 14.0...
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C# properties: how to use custom set property without private field?

... answered Jan 28 '11 at 22:27 BrokenGlassBrokenGlass 145k2626 gold badges263263 silver badges313313 bronze badges ...
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Rails bundle install production only

... Simon PerepelitsaSimon Perepelitsa 18.8k88 gold badges5252 silver badges7272 bronze badges ...
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How can I replace a regex substring match in Javascript?

... AmarghoshAmarghosh 53.8k1111 gold badges8585 silver badges118118 bronze badges ...
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Laravel orderBy on a relationship

... of GROUP columns ... – Sabine Feb 18 '17 at 15:15  |  show 2 more comments ...
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Make maven's surefire show stacktrace in console

... answered May 28 '10 at 12:52 Eugene KuleshovEugene Kuleshov 29.6k55 gold badges6060 silver badges6363 bronze badges ...
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How to implement Android Pull-to-Refresh

... MurugananthamS 2,18022 gold badges1515 silver badges4646 bronze badges answered Apr 1 '14 at 13:06 Randy Sugianto 'Yuku...
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Reading an image file into bitmap from sdcard, why am I getting a NullPointerException?

...ew BitmapFactory.Options(); options.inPreferredConfig = Bitmap.Config.ARGB_8888; Bitmap bitmap = BitmapFactory.decodeFile(photoPath, options); selected_photo.setImageBitmap(bitmap); or http://mihaifonoage.blogspot.com/2009/09/displaying-images-from-sd-card-in.html ...